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642-654 - WAASSE - Wide Area Application Services for System Engineers - Dump Information

Vendor : Cisco
Exam Code : 642-654
Exam Name : WAASSE - Wide Area Application Services for System Engineers
Questions and Answers : 351 Q & A
Updated On : April 18, 2019
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642-654 Questions and Answers

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642-654 WAASSE - Wide Area Application Services for System Engineers

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642-654 exam Dumps Source : WAASSE - Wide Area Application Services for System Engineers

Test Code : 642-654
Test Name : WAASSE - Wide Area Application Services for System Engineers
Vendor Name : Cisco
Q&A : 351 Real Questions

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Cisco WAASSE - Wide Area

Cisco broad area utility functions (WAAS) community Module application accelerator sequence Specs | killexams.com Real Questions and Pass4sure dumps

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    Cisco’s endured dedication to WAN Optimization (WAAS) Market and Our consumers | killexams.com Real Questions and Pass4sure dumps

    WAN Optimization is an important aspect of Cisco’s community-centric platform approach, enabling key transitions corresponding to information center consolidation, virtualization, cloud, digital pcs and BYOD. Cisco is carrying on with to make investments within the large area application functions (WAAS) portfolio to pressure our approach of integrating WAN Optimization into the community textile to achieve unmatched scale, performance, and simplicity, while reducing overall client TCO. The WAAS crew is an essential component of Cisco’s enterprise Networking neighborhood to assist obtain these dreams.

    contemporary hypothesis that Cisco has dissolved its WAAS company is inaccurate. Cisco’s approach to convey WAAS pervasively as part of the Cisco WAN infrastructure is still unchanged.

    in step with the approach of offering utility optimization as a key characteristic of the network infrastructure, Cisco offers a vast portfolio of appliances, router-built-in and virtualized kind components. robust alignment between the WAAS and functions Routing neighborhood (SRG) product building groups has helped drive improvements comparable to AppNav with WAVE home equipment for facts facilities, Cloud services Routers with virtual WAAS for public clouds and highly scalable router-built-in form elements. Cisco hastens a wide selection of functions together with file, e-mail, net, cozy purposes, SaaS, digital desktops and cloud services.

    together with the vast based success and adoption of the WAAS solution in the market, Cisco is integrating the income insurance into the mainstream income drive in the US.  For our consumers and companions, this will simplify how they engage with Cisco through presenting a single aspect of contact for the total range of Cisco networking solutions.

    Cisco’s broad enviornment application functions (WAAS) product portfolio has finished big consumer and market success during the past a number of months, together with many business awards and awareness:

  •  Over 10,000 global valued clientele have invested in WAAS with an put in base of over 165,000 gadgets. The significant majority of the Fortune 100 use Cisco WAAS, with many giant shoppers scaling out to lots of web sites as they install WAAS conclusion-to-end.
  • Cisco is #1 in unit share (source: Infonetics) for the ultimate 3 quarters, a clear customer validation of Cisco’s WAN-integrated optimization method.
  •  Winner of “better of Interop Awards 2012” in performance Optimization, beating Riverbed – Cisco WAAS with AppNav for personal and public clouds.
  •  NetworkWorld.com product brief declared that WAAS provides, “the premiere performance we’ve considered”, in response to the new WAAS appliances and software-mindful optimizations for VDI, Video and Virtualization.
  • Winner of all 6 classes for IT manufacturer pulse 2012 awards for WAN Optimization, together with Market management, Innovation, performance, value, services and Reliability, once more beating Riverbed.
  • In January, Ed Tech magazine reviewed the smallest WAVE equipment and exclaimed, “There’s plenty for IT to like”
  • Winner of Nemertes analysis award for surest consumer satisfaction for WAN optimization products.
  • Cisco these days launched the Cisco Cloud connected answer with WAAS and AppNav as important capabilities to ensuring high performance for functions delivered from virtualized statistics-facilities and public clouds. on the launch, Mike Ruchensky, vp and chief suggestions officer for SWIFT Transportation stated, “[Swift Transportation] sees Cisco AppNav, the newest virtualization expertise, because the answer to with no trouble scale our 2nd facts middle deployment, reaping further advantages equivalent to on-demand provisioning of WAN optimization elements, virtualization of service infrastructure, and investment protection.”

    Cisco WAAS is the most powerful WAN optimization gadget in the market today. You can also be certain that Cisco is committed to WAAS for the lengthy-term.

    We stay thoroughly engaged and working in opposition t our long run WAAS roadmap to drive utility cognizance into the network

    For more information on Cisco WAN Optimization (WAAS), please click right here

    For extra suggestions on Cisco Cloud linked answer (part of our Cloud clever network method), please click on here

    Please submit any questions or feedback in the comments box under.

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    susceptible: Cisco large area software capabilities (WAAS) modules 0Cisco broad enviornment utility services (WAAS) home equipment 6.2(3)Cisco huge enviornment utility features (WAAS) home equipment 6.2(1)Cisco extensive enviornment software capabilities (WAAS) home equipment four.four(7)Cisco extensive enviornment software services (WAAS) appliances 0Cisco digital large area utility features (vWAAS) 0

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    Interface bundles services for 9,500 Dollar General retail stores | killexams.com real questions and Pass4sure dumps

    ST. LOUIS—Interface Security Systems is in the process of completing the installation of a secure managed cloud services project for the entire Dollar General 9,500-store retail chain. While terms of the deal were not released, Interface CEO Michael Shaw told Security Systems News that the Dollar General multi-year contract is “expected to generate in excess of $100 million in top-line revenue for Interface.”

    Interface is providing the WAN management, PCI compliance, wireless access management, IP alarm system monitoring, IP video surveillance, and Interface digital voice. This suite of secure cloud-based applications and management is delivered via Interface Secure Managed Broadband, a wide-area network design featuring redundant, high-speed network connections for failover and business continuity.

    Officials from Dollar General declined to be interviewed for the story. Dollar General is a publicly-traded company with 2010 revenues of about $12 billion; the company employs more than 86,000.

    “They are in 40-something states and are growing at a remarkable pace, adding about 600 new stores every year,” Shaw said.

    With this project, Dollar General was looking to do three things, Shaw said.

    First, it wanted to standardize and improve overall store operations with a faster, more reliable WAN, to better deal with POS reporting and PCI compliance. Second, a new loss prevention director wanted to upgrade the stores’ security systems from old analog digital dialer panels to IP panels with GSM backup. The LP director also wanted to be able to access video from the stores remotely.

    And third, the company wanted to eliminate the POTS lines in the stores and go to VOIP phone service.

    Vying for different portions of the job were major networking, telco and security providers. While some network and security providers proposed working together on the project, Interface was the only one that was able to take on all of the elements of the job, from the networking, security and telephony—and components of those systems, including the Cisco routers on the premises, the Honeywell IP security panels, PCI compliance, and video surveillance, according to Robert Aranda, Interface IP Services president.

    “The design of the system is our secret sauce,” Aranda said. With different providers managing security, telephony and network and loss preventions system for an enterprise this large there would likely be “a collision on [the network on] a regular basis,” Aranda said.

    “From a physical, IT and logical perspective, we manage all of it,” he said. “I don’t know of another provider that’s willing to take this level of responsibility.” Aranda said this is the “source of our growth.” Indeed, Interface executives reported that the company doubled its RMR from 2007-2011 and grew at 15 percent CAGR between 2008 and 2010.

    Aranda said the company’s security expertise helped clinch the deal because Interface was the only provider who addressed the difficulties of VOIP telephone service not working with digital dialer panels upfront.

    Changing to VOIP service will save Dollar General millions of dollars, Shaw said. “They had 450 different telephone providers ... they had a whole staff of people just to manage the phone bills,” he said. “We send one bill—for all services.”

    Interface was awarded the contract in June of 2010 and the installation will be complete by the middle of October. Shaw said the project management team, led by Michael McCleod, completed “800 to 900 stores per month to keep up with the schedule.”

    JoAnna Sohovich, president of Honeywell Security and Communications, said that Honeywell met with Dollar General to talk about supplying the 9,500 Vista 21 IP panels with built-in GSM radios necessary for the job. “Part of the stipulation was that they [Dollar General] wanted to make sure that Interface had a phenomenal relationship and was backed by its manufacturer,” she said.

    And while 9,500 panels clearly exceeds an average order, the Honeywell factory was able to produces all of the panels on time. Sohovich, a former plant manager herself, said that if demand for a product can be forecasted, the factory can respond. “Delivery has never been a question with our customers,” she said. “The factory personnel would consider it a personal affront if they didn’t achieve 100 percent score [for on time delivery] every month."

    Interface worked with Vertek, a Vermont-based on-demand telco engineering company for the provisioning and management of the delivery of broadband. It worked with Endeavor, a private-label field service fulfillment and logistics company, which “stepped up their organization to support field organization requirements [for the project].”


    The Guide to Low-Power Wide Area Networks | killexams.com real questions and Pass4sure dumps

    Written by Michael Alba and Juliver Ramirez

    The wide range of LPWAN options. (Logo images courtesy of 3GPP, Ingenu, LinkLabs, LoRaWAN, Nwave, Sigfox andWeightless.)

    The wide range of LPWAN options. (Logo images courtesy of 3GPP, Ingenu, LinkLabs, LoRaWAN, Nwave, Sigfox and Weightless.)

    Low-power wide area networks (LPWANs) are becoming an increasingly prevalent technology for the Internet of Things (IoT). As the name suggests, LPWANs are wireless communication protocols that strive to optimize two important factors for the IoT:

  • Low power: IoT sensors and devices must regularly transmit data, but they may not always be easily accessible. Therefore, it is crucial that the battery life of these devices is prolonged as much as possible.
  • Wide area coverage: If IoT devices are to be of practical use, they must maintain a network connection from anywhere they’re needed. This includes potentially remote industrial or agricultural sites.
  • LPWANs are distinct from wireless technology such as Zigbee, Bluetooth and other personal area networks (PANs). Though they can be used for IoT applications, PANs are limited in their range and applications.

    Not surprisingly, there are several competing LPWAN protocols, meaning IoT engineers face many choices for their IoT applications. Broadly speaking, LPWANs can be grouped into two categories: cellular, meaning they employ licensed cellular frequencies, and non-cellular, meaning they make use of the unlicensed industrial, scientific and medical (ISM) radio bands.

    To help understand the differences between these competing LPWANs, we spoke with industry and academic representatives about the different options available, the use cases for each, and how best to decide which LPWAN is right for your particular IoT application.

    Plenty of Protocols

    Before we dive into the differences between LPWANs, here’s a look at some of the main LPWAN options available:

    LPWANs

    Cellular

    Non-Cellular

  • LTE-M (aka Cat-M / Cat-M1 / LTE Cat-M1 / eMTC)
  • NB-IoT (aka Cat-M2)
  • EC-GSM-IoT
  • Sigfox
  • Ingenu (RPMA)
  • Weightless
  • “LPWAN refers to anything that allows you to communicate at large distances using low-power devices,” said Akshay Gadre, head of the LPWAN research project at Carnegie Mellon University (CMU). “These are all options that allow you to do that particular thing. LPWANs are not defined by these particular protocols; these protocols are defined by the LPWAN requirements.”

    And what are those LPWAN requirements?There doesn’t seem to be a formal specification for the technology, but most LPWANs conform to the following guidelines:

  • Low data rate (100bps to 1Mbps)
  • Long range (up to and exceeding 10km)
  • Low power (up to and exceeding 10 years of battery life)
  • Not all LPWAN protocols are on equal footing, and some have more momentum than others. On the cellular side, one of the most popular options is LTE-M, an LPWAN that works over existing cellular infrastructure. On the non-cellular side, LoRaWAN is the leading contender, operating in the 915MHz ISM band.

    Cellular LPWANs

    LTE-M (aka Cat-M / Cat-M1 / LTE Cat-M1/ eMTC)

    The 3rd Generation Partnership Project (3GPP) cellular standards body has published three different cellular LPWANs, of which LTE-M is the biggest contender. LTE-M is short for LTE-MTC, or Machine Type Communication, and it’s a release of the cellular LTE standard with a specific focus on machine-to-machine communication.

    An advantage of LTE-M is that it’s completely compatible with existing cellular networks. Telecom providers don’t need to install any new hardware to use it—they just need to upload new software into their existing base stations. Because of this, telecoms like Verizon and AT&T have already begun rolling out LTE-M services. In Canada, telecom Bell has implemented a pilot project with an Ontario vineyard that utilizes Bell’s LTE-M network to monitor environmental conditions.

    According to Chris Moorhead, VP of IoT NORAM at Gemalto, LTE-M is a cellular solution tailored to IoT and Industrial IoT (IIoT) applications. Compared to standard LTE, it offers better sleep, better power budgets, and other feature sets to extend a device’s coverage.

    “Right now, I think Cat-M [LTE-M] is the best one to use,” said Moorhead. “A year or two, a year and a half, Narrowband IoT might come into play.”

    NB-IoT (a.k.a. Cat-M2)

    Narrowband IoT (NB-IoT) is the second LPWAN standard put forth by 3GPP, but it differs from LTE-M in several respects. For one, it has a much lower throughput—250kbps compared to 1Mbps. Another difference is that NB-IoT is based on a direct-sequence spread spectrum (DSSS) modulation scheme, so it’s not related to LTE in the same way as LTE-M. Additionally, it does not necessarily operate within LTE bands. NB-IoT is designed to be used either within LTE guard bands or independently in unused Global System for Mobile (GSM) bands with a 180kHz channel bandwidth.

    While some North American telecoms, like T-Mobile, have begun investing in NB-IoT technology this particular LPWAN has been more prominent in Europe. According to Moorhead, there are a number of reasons that NB-IoT has lagged behind LTE-M—including a lack of hardware support.

    "There are still only a few modules available,” Moorhead said. “For Narrowband to be actualized on the benefits and the business case, you really need that cost-optimized device. And to get that, you need a native Narrowband chipset, and we haven’t seen many come into the market yet. I think the majority of them will be coming out towards the end of this year and into next year. So, having a true Narrowband chipset is still a limiting factor.”

    Despite its lag behind LTE-M, there are some who believe that NB-IoT will fill a particular IoT niche. Asset tracking company BeWhere, which produces Bluetooth Low Energy (BLE) beacons, is working to introduce cellular LPWAN alternatives. Alban Hoxha, CTO of BeWhere, predicts an industrial use case for NB-IoT.

    “It’s a more reliable protocol,” Hoxha said. “Exception monitoring will be the holy grail of NB-IoT. It will replace Bluetooth (BLE) to a certain extent, but there will be another area where they will complement each other. Today, the way BLE works is they constantly advertise. The backhaul is a problem, so you always need an edge gateway to move the data to the cloud.” (NB-IoT, in contrast, does not require a gateway. With this standard, data is sent directly to the main server.)

    NB-IoT also has a lower power requirement than LTE-M, though this a double-edged sword. While less power is always good when it comes to the IoT, it also means that NB-IoT has worse penetration than LTE-M.

    EC-GSM-IoT

    Extended Coverage Global System for Mobile IoT (EC-GSM-IoT) is the third 3GPP LPWAN standard operating within the licensed spectrum. Unlike LTE-M, which operates on the LTE bands, EC-GSM operates on General Packet Radio Service (GPRS) spectrum. To use EC-GSM-IoT on GSM networks, this protocol simply requires a software upgrade of GSM networks, since most mobile hardware companies already support it. Of the three cellular options, EC-GSM-IoT seems to have the least momentum.

    Non-Cellular LPWANs

    Sigfox

    The unlicensed ISM bands played host to the earliest LPWAN, Sigfox, according to Sigfox’s Ajay Rayne. “We can take credit for pretty much establishing the category of LPWANs,” he said. “I would say we practically invented the term.”

    Whether the company coined the term or not, Sigfox has been in the LPWAN arena for nearly a decade, and is now one of the leading contenders of the non-cellular options. The company was founded in France in 2009, and now has networks in 47 countries and counting. Its goal is to operate in 60 countries by the end of 2018, and to eventually create a global Sigfox network—a local network around the world, in Rayne’s words.

    It’s worth discussing the business model of Sigfox, as it’s a bit different than the other models we’ll discuss shortly. Sigfox’s business is the network—users only pay to send messages. The actual cost depends on the number of messages that are sent. One or two messages a day will cost roughly $1/year. One message every 10 minutes—about 140 messages a day—will cost roughly $1/month.

    “Sigfox’s model is very simple,” Rayne explained. “Sigfox only makes money on the subscription. We do not charge any royalties to any of our chip vendors. In fact, we provide our IP at no charge and royalty free. We have several reference designs that are available, including some that are available royalty free. As a designer, you only have to focus on the design side. You don’t need to worry about the intermediate layers of the network—do I need a switch? Do I need a router? Do I need a gateway? Do I need a back-end authentication server? None of that. Because we take care of the network side. All the engineers have to do is focus on their core competency and build the best device possible.”

    As simple as that may sound, Sigfox does have one potential drawback: message size. Each message can carry a payload up to 12 bytes, which may not meet the requirements of some users. Rayne openly acknowledges this fact, as he considers Sigfox to be complementary to higher throughput LPWANs like NB-IoT and LTE-M.

    “Sigfox is secure, small amounts of data,” Rayne said. “That’s the market we play in, and we believe the majority of IoT devices are going to be in that range of 12 bytes of data. But if it’s anything beyond 12 bytes, or if you want streaming video or audio, we can’t play—and that’s the limitation.”

    LoRaWAN

    Of all the non-cellular LPWAN options, LoRaWAN is perhaps the biggest contender. It’s backed by the LoRa Alliance, a consortium of over 500 companies including Cisco, IBM, Alibaba, SK Telecom and more. The support of so many IoT players has given LoRaWAN a comfortable seat at the LPWAN table.

    “On the unlicensed side, LoRa is gaining a lot of acceptance as a standard," said Sanjay Khatri, head of IoT Platform Product Marketing at Cisco IoT.

    LoRa…LoRaWAN…what’s the difference? LoRa refers to a physical layer (PHY) owned by Semtech Corporation, while LoRaWAN refers to the Media Access Control (MAC) layer specification, which is maintained by the LoRa Alliance. While the LoRaWAN specification is openly available, LoRa is proprietary, and Semtech receives royalties from chip vendors that sell LoRa modules.

    “The air interface is owned by Semtech, but there's a whole stack of networking that goes on top of that,” said Khatri.

    Unlike Sigfox, engineers using LoRaWAN will need to consider networking components like gateways, access points, servers, and switches. However, LoRa Alliance member companies like Cisco offer gateways and other prebuilt LoRaWAN solutions.

    The Cisco Wireless Gateway for LoRaWAN. (Image courtesy of Cisco.)

    The Cisco Wireless Gateway for LoRaWAN. (Image courtesy of Cisco.)

    With a message payload that is up to 222 bytes, LoRaWAN is suited to a broader range of applications than Sigfox, and can support more sophisticated devices like those requiring over-the-air (OTA) updates. This is one reason that Khatri believes LoRaWAN provides a more sustainable ecosystem than Sigfox.

    “In LoRa, you have more headroom in terms of bandwidth and size of messages,” he said. “And the threshold isn't as high for companies to come in and license it.”

    However, Khatri also believes LoRaWAN can potentially complement licensed LPWAN technology. “Our view at Cisco is it's not an either/or [licensed and unlicensed]; they're going to be complementary. The last mile you would essentially use LoRa, but then connecting that last mile back into the cloud, there's many different forms of technology,including LTE.”

    For its LPWAN research projects, Carnegie Mellon University uses LoRaWAN. These projects include Choir, a system to improve LPWANs in dense urban environments, and OpenChirp, an open LPWAN management framework.

    “Different protocols allow you to innovate at different layers, but LoRa is the best for university researchers,” said CMU’s Akshay Gadre. “It allows you to customize all of the layers as you want. LoRa has the complete stacks on the application layer to the physical layer open to you. The only thing that is constrained is the hardware—the silicon is protected by Semtech.”

    LoRaWAN isn’t the only LPWAN to use the LoRa PHY layer. Link Labs has developed a competing LoRa-based LPWAN called Symphony Link, which claims to improve upon LoRaWAN with features like guaranteed message receipt,greater capacity, the use of repeaters, and easier firmware upgrades. However, due to the backing of the LoRa Alliance, Symphony Link never stood much of a chance against LoRaWAN, and Link Labs recently shifted its strategy to focus on IoT application development.

    Ingenu (RPMA)

    Unlike LoRa and Sigfox, which both utilize the 915MHz ISM band, Ingenu utilizes the 2.4GHz ISM band—the same band used by Wi-Fi and Bluetooth. The advantage of this band is that it’s globally available, meaning developers don’t have to consider what regions their products will be used in. In contrast, LoRa and Sigfox use different bands based on location, whether in North America (915MHz) or Europe (869MHz). The 2.4GHz band also has much more bandwidth available than the 915MHz band.

    Graphic detailing different spectral allotments and requirements around the globe. (Image courtesy of Ingenu.)

    Graphic detailing different spectral allotments and requirements around the globe. (Image courtesy of Ingenu.)

    At the heart of the Ingenu LPWAN is a system called Random Phase Multiple Access (RPMA), which is a PHY and MAC layer developed by Ingenu to meet what it considers to be the specific needs of LPWANs: a global band (2.4GHz), wide coverage (a single RPMA access point can cover up to 176 square miles), tremendous capacity (a single RPMA access point can receive 535,117 messages per hour), long battery life (10-20+ years), and robustness to interference. RPMA also addresses what Ingenu calls the LPWA Device Bill of Rights: two-way data, delivery acknowledgment, flexible packet sizes, network responsiveness, authentication and broadcast capability.

    Besides authoring the LPWAN standard, Ingenu operates the Machine Network, a publicly available RPMA network that provides over 100,000 square miles of coverage in more than 30 cities in the U.S., as well as coverage in over 30 countries globally.

    Ingenu makes strong claims about the superiority of RPMA compared to LoRa, Sigfox and cellular LPWANs, but according to Cisco’s Sanjay Khatri, Ingenu has tailed off a bit in recent years. Just last month, Ingenu announced a shift in its corporate strategy to deliver RPMA via Platform as a Service (PaaS).

    Weightless

    The Weightless LPWAN standard began as three standards, named Weightless-N, Weightless-W and Weightless-P. It seems the Weightless Special Interest Group (SIG) has all but abandoned Weightless-N and -W, and now puts forth a single standard, Weightless-P, sometimes simply called Weightless.

    One of the key characteristics of Weightless is that it’s designed to operate in a variety of bands—in fact, Weightless is defined for operation in all the unlicensed sub-GHz ISM bands, including the 163, 433, 470, 780, 868, 915 and 923MHz bands.

    Weightless is also an open standard, overseen by the nonprofit Weightless SIG, which tends to be better for both innovation and competition than proprietary standards like LoRa. However, despite its name, Weightless seems to be stuck on the ground—a scarcity of available hardware and infrequent updates to the specification give Weightless the appearance of stagnation.

    But Weightless is alive and well in one sense: Nwave, a smart parking technology company, uses a proprietary LPWAN for its smart parking meters that originally formed the basis for Weightless-N, the first Weightless standard.

    Which LPWAN Is Right for Me?

    With so many LPWAN options available, it’s not easy to know which one is best for your needs. If you’re committed to a cellular option, LTE-M is probably your best bet right now—it’s got the most support from telecoms and the most commercial hardware. While NB-IoT may find a niche in the years to come, the hardware and infrastructure still has a way to go before this standard can realize its potential.

    As for the non-cellular options, Gemalto’s Chris Moorhead views the playing field much like the VHS/Betamax debate of the 70s and 80s. All of the choices provide the key characteristics of LPWANs to more or lesser degrees. Ultimately, the winner of this debate may just be the LPWAN with the most momentum. Right now, it seems that LoRaWAN—with the backing of the LoRa Alliance—is in this top spot. Sigfox, the next leading contender, is easier to implement from an engineering perspective, but it may be held back by its low message size of 12 bytes. Ingenu and Weightless, both perfectly good standards, may already have been left behind in the LPWAN race.

    Ultimately,your choice of LPWAN will come down to the specifics of your IoT application.

    “For us, it's really an investigation on what the customer wants to do, what the customer wants to accomplish, what regions the customer wants to deploy in,and what the critical aspects of their deployment are,” said Moorhead. “Is it connectivity everywhere? Is it power management, power budget? Dependent on the size of the data packet? That all comes to play. There's no real easy answer.”

    To help you out, here’s a summary of some of the key aspects of the leading LPWANs:

    LPWAN

    Type

    Frequency

    Data rate

    Channel Bandwidth

    Message Payload

    Channel Access Method

    Range

    Battery Life

    Modulation

    LPWAN LTE-M

    Type Cellular

    Frequency LTE bands

    Data rate 1Mbps

    Channel Bandwidth 1.4MHz

    Message Payload  

    Channel Access Method Downlink: OFDMA, Uplink: SC-FDMA

    Range Within any area of LTE coverage

    Battery Life More than 10 years

    Modulation 16-QAM

    LPWAN NB-IoT

    Type Cellular

    Frequency Subset of LTE bands, standalone on GSM bands

    Data rate 250kbps

    Channel Bandwidth 180kHz

    Message Payload 1600 bytes

    Channel Access Method Downlink: OFDMA, Uplink: SC-FDMA

    Range 1km (urban), 10km (rural)

    Battery Life Up to 10 years

    Modulation QPSK, BPSK

    LPWAN EC-GSM-IoT

    Type Cellular

    Frequency GSM bands

    Data rate 70-240kbps

    Channel Bandwidth 200kHz

    Message Payload  

    Channel Access Method TDMA / FDMA

    Range Within existing GSM coverage

    Battery Life Up to 10 years

    Modulation GMSK, 8PSK

    LPWAN LoRaWAN

    Type Non-cellular

    Frequency 915MHz (869MHz, Europe)

    Data rate 0.3-50kpbs

    Channel Bandwidth 125, 250 and 500kHz

    Message Payload 51- 222 bytes

    Channel Access Method ALOHA

    Range 2-5km (urban), 15km (suburban)

    Battery Life Up to 10 years

    Modulation CSS

    LPWAN Sigfox

    Type Non-cellular

    Frequency 915MHz (869MHz, Europe)

    Data rate 100bps

    Channel Bandwidth 100Hz

    Message Payload 12bytes

    Channel Access Method RFTDMA

    Range >40km

    Battery Life Up to 10 years

    Modulation BPSK

    LPWAN Ingenu (RPMA)

    Type Non-cellular

    Frequency 2.4GHz

    Data rate 624kbps (uplink), 156kbps (downlink)

    Channel Bandwidth 1MHz

    Message Payload Flexible message size

    Channel Access Method RPMA

    Range Up to 176 square miles

    Battery Life Up to 15 years

    Modulation D-BPSK

    LPWAN Weightless

    Type Non-cellular

    Frequency 163, 433, 470, 780, 868, 915 and 923MHz

    Data rate 200bps-100kbps

    Channel Bandwidth 12.5kHz

    Message Payload <48 bytes

    Channel Access Method TDMA

    Range 2km (urban)

    Battery Life 3-8 years

    Modulation GMSK, OQPSK

    Acronyms:

    8PSK—8-ary Phase-Shift Keying

    16-QAM—16 Quadrature Amplitude Modulation

    ALOHA—Additive Links On-line Hawaii Area

    BPSK—Binary Phase-Shift Keying

    CSS—Chirp Spread Spectrum

    D-BPSK—Differential Binary Phase-Shift Keying

    GMSK—Gaussian Minimum Shift Keying

    OFDMA—Orthogonal Frequency-Division Multiple Access

    OQPSK—Offset Quadrature Phase-Shift Keying

    QPSK—Quadrature Phase-Shift Keying

    RFTDMA—Random Frequency and Time Division Multiple Access

    RPMA—Random Phase Multiple Access

    SC-FDMA—Single Carrier Frequency Division Multiple Access

    TDMA—Time Division Multiple Access


    Semtech’s LoRa Technology Integrated in Polysense’s Structural Health Monitoring System for Smart Buildings | killexams.com real questions and Pass4sure dumps

    CAMARILLO, Calif.--(BUSINESS WIRE)--

    Structure Health Monitoring system with LoRa Technology monitors buildings for a variety of safety indicators in real-time

    Semtech Corporation (SMTC), a leading supplier of high performance analog and mixed signal semiconductors and advanced algorithms, announced that Polysense Technologies Inc., an innovative leader in enterprise Internet of Things (IoT) solutions for fiber and wireless sensing, has built Semtech’s LoRa® devices and wireless radio frequency technology (LoRa Technology) into its Structure Health Monitoring (SHM) system to enable remote and real-time monitoring of building structure safety and integrity.

    This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20190124005250/en/

    “With LoRa-based wireless sensors and gateways, we can get a building connected within a couple of hours by eliminating the need for power wiring installation. In comparison, a wired solution could take around a week to install,” said Will H. Yu, Director of IoT solutions at Polysense Technologies. “The key for us is to utilize the power of IoT to solve real problems. With our SHM solution, resource issues are properly addressed, while, most importantly, providing urgent information to protect citizens from danger. LoRa Technology is a perfect marriage for sensing and data analytics solutions.”

    Polysense’s SHM system consists of various LoRa-based IoT sensors, a LoRa-based gateway, and a proprietary Cloud-based data management platform. A four to six-story building is equipped with an end-to-end solution consisting of several sensors on the walls and roof to measure building surface wall crack growth, tilt and vibration, and often a soil moisture sensor to monitor water saturation at the building’s foundation, at a fractional cost of the traditional wired solution or human inspection. Typically, one gateway is used per residential complex. Additionally, Polysense provides the LoRaWAN™-based network and mobile applications for real-time monitoring of building status. Polysense recently partnered with AEIDO, a Chinese company offering structural safety inspections, certification, and monitoring services, to roll out hundreds of SHM systems in Shaoxing, a city on China’s east coast which is particularly vulnerable to the elements.

    “Semtech’s LoRa Technology offers flexibility and easy deployment into a wide range of infrastructure, both old and new,” said Vivek Mohan, Director of IoT for Semtech’s Wireless and Sensing Products Group. “Scalable by increasing the number of gateways, solutions built on LoRa Technology can cover the tallest skyscrapers and sprawling campuses. LoRa Technology and the IoT are working to create safer buildings, cities and a smarter planet.”

    About Semtech’s LoRa® Devices and Wireless RF Technology

    Semtech’s LoRa devices and wireless radio frequency technology is a widely adopted long-range, low-power solution for IoT that gives telecom companies, IoT application makers and system integrators the feature set necessary to deploy low-cost, interoperable IoT networks, gateways, sensors, module products, and IoT services worldwide. IoT networks based on the LoRaWAN™ specification have been deployed in 100 countries and Semtech is a founding member of the LoRa Alliance™, the fastest growing IoT Alliance for Low Power Wide Area Network applications. To learn more about how LoRa enables IoT, visit Semtech’s LoRa site and join the LoRa Community™ to access free training as well as an online industry catalog showcasing the products you need for building your ideal IoT application.

    About Polysense

    Located in Santa Clara, California, with offices in Beijing, Luo Yang and Shanghai, China, Polysense develops IoT products and solutions for smart enterprise, city and home, including distributed fiber sensing, LPWAN LoRa, NB-IoT/LTE CAT M and Wi-Fi/BLE based wireless IoT sensors and cloud based data management and analytics cloud platform iView, edge computing platform iEdge, smartphone App iPalm. For more information, visit www.polysense.net

    About Semtech

    Semtech Corporation is a leading supplier of high performance analog and mixed-signal semiconductors and advanced algorithms for high-end consumer, enterprise computing, communications, and industrial equipment. Products are designed to benefit the engineering community as well as the global community. The Company is dedicated to reducing the impact it, and its products, have on the environment. Internal green programs seek to reduce waste through material and manufacturing control, use of green technology and designing for resource reduction. Publicly traded since 1967, Semtech is listed on the Nasdaq Global Select Market under the symbol SMTC. For more information, visit www.semtech.com.

    Story continues

    Forward-Looking and Cautionary Statements

    All statements contained herein that are not statements of historical fact, including statements that use the words “can,” “to roll out,” “to create,” “designed to” or other similar words or expressions, that describe Semtech Corporation’s or its management’s future plans, objectives or goals are “forward-looking statements” and are made pursuant to the Safe-Harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Such forward-looking statements involve known and unknown risks, uncertainties and other factors that could cause the actual results of Semtech Corporation to be materially different from the historical results and/or from any future results or outcomes expressed or implied by such forward-looking statements. Such factors are further addressed in Semtech Corporation’s annual and quarterly reports, and in other documents or reports, filed with the Securities and Exchange Commission (www.sec.gov) including, without limitation, information under the captions “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Risk Factors.” Semtech Corporation assumes no obligation to update any forward-looking statements in order to reflect events or circumstances that may arise after the date of this release, except as required by law.

    Semtech and the Semtech logo are registered trademarks or service marks, and LoRaWAN is a trademark or service mark, of Semtech Corporation or its affiliates.

    SMTC-P

    View source version on businesswire.com: https://www.businesswire.com/news/home/20190124005250/en/

    MULTIMEDIA AVAILABLE:https://www.businesswire.com/news/home/20190124005250/en/



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    BICSI [2 Certification Exam(s) ]
    BlackBerry [17 Certification Exam(s) ]
    BlueCoat [2 Certification Exam(s) ]
    Brocade [4 Certification Exam(s) ]
    Business-Objects [11 Certification Exam(s) ]
    Business-Tests [4 Certification Exam(s) ]
    CA-Technologies [21 Certification Exam(s) ]
    Certification-Board [10 Certification Exam(s) ]
    Certiport [3 Certification Exam(s) ]
    CheckPoint [43 Certification Exam(s) ]
    CIDQ [1 Certification Exam(s) ]
    CIPS [4 Certification Exam(s) ]
    Cisco [318 Certification Exam(s) ]
    Citrix [48 Certification Exam(s) ]
    CIW [18 Certification Exam(s) ]
    Cloudera [10 Certification Exam(s) ]
    Cognos [19 Certification Exam(s) ]
    College-Board [2 Certification Exam(s) ]
    CompTIA [76 Certification Exam(s) ]
    ComputerAssociates [6 Certification Exam(s) ]
    Consultant [2 Certification Exam(s) ]
    Counselor [4 Certification Exam(s) ]
    CPP-Institue [2 Certification Exam(s) ]
    CPP-Institute [2 Certification Exam(s) ]
    CSP [1 Certification Exam(s) ]
    CWNA [1 Certification Exam(s) ]
    CWNP [13 Certification Exam(s) ]
    CyberArk [1 Certification Exam(s) ]
    Dassault [2 Certification Exam(s) ]
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    DRI [1 Certification Exam(s) ]
    ECCouncil [21 Certification Exam(s) ]
    ECDL [1 Certification Exam(s) ]
    EMC [129 Certification Exam(s) ]
    Enterasys [13 Certification Exam(s) ]
    Ericsson [5 Certification Exam(s) ]
    ESPA [1 Certification Exam(s) ]
    Esri [2 Certification Exam(s) ]
    ExamExpress [15 Certification Exam(s) ]
    Exin [40 Certification Exam(s) ]
    ExtremeNetworks [3 Certification Exam(s) ]
    F5-Networks [20 Certification Exam(s) ]
    FCTC [2 Certification Exam(s) ]
    Filemaker [9 Certification Exam(s) ]
    Financial [36 Certification Exam(s) ]
    Food [4 Certification Exam(s) ]
    Fortinet [14 Certification Exam(s) ]
    Foundry [6 Certification Exam(s) ]
    FSMTB [1 Certification Exam(s) ]
    Fujitsu [2 Certification Exam(s) ]
    GAQM [9 Certification Exam(s) ]
    Genesys [4 Certification Exam(s) ]
    GIAC [15 Certification Exam(s) ]
    Google [4 Certification Exam(s) ]
    GuidanceSoftware [2 Certification Exam(s) ]
    H3C [1 Certification Exam(s) ]
    HDI [9 Certification Exam(s) ]
    Healthcare [3 Certification Exam(s) ]
    HIPAA [2 Certification Exam(s) ]
    Hitachi [30 Certification Exam(s) ]
    Hortonworks [4 Certification Exam(s) ]
    Hospitality [2 Certification Exam(s) ]
    HP [752 Certification Exam(s) ]
    HR [4 Certification Exam(s) ]
    HRCI [1 Certification Exam(s) ]
    Huawei [21 Certification Exam(s) ]
    Hyperion [10 Certification Exam(s) ]
    IAAP [1 Certification Exam(s) ]
    IAHCSMM [1 Certification Exam(s) ]
    IBM [1533 Certification Exam(s) ]
    IBQH [1 Certification Exam(s) ]
    ICAI [1 Certification Exam(s) ]
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    IEEE [1 Certification Exam(s) ]
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    Lotus [66 Certification Exam(s) ]
    LPI [24 Certification Exam(s) ]
    LSI [3 Certification Exam(s) ]
    Magento [3 Certification Exam(s) ]
    Maintenance [2 Certification Exam(s) ]
    McAfee [8 Certification Exam(s) ]
    McData [3 Certification Exam(s) ]
    Medical [69 Certification Exam(s) ]
    Microsoft [375 Certification Exam(s) ]
    Mile2 [3 Certification Exam(s) ]
    Military [1 Certification Exam(s) ]
    Misc [1 Certification Exam(s) ]
    Motorola [7 Certification Exam(s) ]
    mySQL [4 Certification Exam(s) ]
    NBSTSA [1 Certification Exam(s) ]
    NCEES [2 Certification Exam(s) ]
    NCIDQ [1 Certification Exam(s) ]
    NCLEX [2 Certification Exam(s) ]
    Network-General [12 Certification Exam(s) ]
    NetworkAppliance [39 Certification Exam(s) ]
    NI [1 Certification Exam(s) ]
    NIELIT [1 Certification Exam(s) ]
    Nokia [6 Certification Exam(s) ]
    Nortel [130 Certification Exam(s) ]
    Novell [37 Certification Exam(s) ]
    OMG [10 Certification Exam(s) ]
    Oracle [282 Certification Exam(s) ]
    P&C [2 Certification Exam(s) ]
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    Pegasystems [12 Certification Exam(s) ]
    PEOPLECERT [4 Certification Exam(s) ]
    PMI [15 Certification Exam(s) ]
    Polycom [2 Certification Exam(s) ]
    PostgreSQL-CE [1 Certification Exam(s) ]
    Prince2 [6 Certification Exam(s) ]
    PRMIA [1 Certification Exam(s) ]
    PsychCorp [1 Certification Exam(s) ]
    PTCB [2 Certification Exam(s) ]
    QAI [1 Certification Exam(s) ]
    QlikView [1 Certification Exam(s) ]
    Quality-Assurance [7 Certification Exam(s) ]
    RACC [1 Certification Exam(s) ]
    Real-Estate [1 Certification Exam(s) ]
    RedHat [8 Certification Exam(s) ]
    RES [5 Certification Exam(s) ]
    Riverbed [8 Certification Exam(s) ]
    RSA [15 Certification Exam(s) ]
    Sair [8 Certification Exam(s) ]
    Salesforce [5 Certification Exam(s) ]
    SANS [1 Certification Exam(s) ]
    SAP [98 Certification Exam(s) ]
    SASInstitute [15 Certification Exam(s) ]
    SAT [1 Certification Exam(s) ]
    SCO [10 Certification Exam(s) ]
    SCP [6 Certification Exam(s) ]
    SDI [3 Certification Exam(s) ]
    See-Beyond [1 Certification Exam(s) ]
    Siemens [1 Certification Exam(s) ]
    Snia [7 Certification Exam(s) ]
    SOA [15 Certification Exam(s) ]
    Social-Work-Board [4 Certification Exam(s) ]
    SpringSource [1 Certification Exam(s) ]
    SUN [63 Certification Exam(s) ]
    SUSE [1 Certification Exam(s) ]
    Sybase [17 Certification Exam(s) ]
    Symantec [135 Certification Exam(s) ]
    Teacher-Certification [4 Certification Exam(s) ]
    The-Open-Group [8 Certification Exam(s) ]
    TIA [3 Certification Exam(s) ]
    Tibco [18 Certification Exam(s) ]
    Trainers [3 Certification Exam(s) ]
    Trend [1 Certification Exam(s) ]
    TruSecure [1 Certification Exam(s) ]
    USMLE [1 Certification Exam(s) ]
    VCE [6 Certification Exam(s) ]
    Veeam [2 Certification Exam(s) ]
    Veritas [33 Certification Exam(s) ]
    Vmware [58 Certification Exam(s) ]
    Wonderlic [2 Certification Exam(s) ]
    Worldatwork [2 Certification Exam(s) ]
    XML-Master [3 Certification Exam(s) ]
    Zend [6 Certification Exam(s) ]





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    Cisco 642-654 Exam (WAASSE - Wide Area Application Services for System Engineers) Detailed Information



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