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1) What Is the Name of an Ethernet Cable That Contains Two
1) What is the name of an Ethernet cable that contains two electrical conductors ? A coaxial cable 2) What are the names of the two common conditions that degrade the signals on c opper-based cables? Crosstal and attenuation 3) Which topology requires the use of terminators? Bus 4) Which of the following topologies is implemented only logically, not physical ly? Ring 5) How many wire pairs are actually used on a typical UTP Ethernet network? Two 6) What is the name of the process of building a frame around network layer info rmation? Data encapsulation 7) Which of the connectors on a network interface adapter transmits data in para llel? The System bus connector 8) Which two of the following hardware resources do network interface adapters a lways require? I/O port address and IRQ 9) What is the name of the process by which a network interface adapter determin es when it should transmit its data over the network? Media Access Control 10) Which bus type is preferred for a NIC that will be connected to a Fast Ether net network? PCI 11) A passive hub does not do which of the following? Transmit management information using SNMP 12) To connect two Ethernet hubs together, you must do which of the following? Connect the uplink port in one hub to a standard port on the other 13) Which term describes a port in a Token Ring MAU that is not part of the ring ? Intelligent 14) A hub that functions as a repeater inhibits the effect of____________? Attenuation 15) You can use which of the following to connect two Ethernet computers togethe r using UTP -
Ethernet Alliance Hosts Third IEEE 802.1 Data Center Bridging
MEDIA ALERT Ethernet Alliance® Hosts Third IEEE 802.1 Data Center Bridging Interoperability Test Event Participation is Open to Both Ethernet Alliance Members and Non‐Members WHAT: The Ethernet Alliance Ethernet in the Data Center Subcommittee has announced it will host an IEEE 802.1 Data Center Bridging (DCB) interoperability test event the week of May 23 in Durham, NH at the University of New Hampshire Interoperability Lab. The Ethernet Alliance invites both members and non‐members to participate in this third DCB test event that will include both protocol and applications testing. The event targets interoperability testing of Ethernet standards being developed by IEEE 802.1 DCB task force to address network convergence issues. Testing of protocols will include projects such as IEEE P802.1Qbb Priority Flow Control (PFC), IEEE P802.1Qaz Enhanced Transmission Selection (ETS) and DCB Capability Exchange Protocol (DCBX). The test event will include testing across a broad vendor community and will exercise DCB features across multiple platforms as well as exercise higher layer protocols such as Fibre Channel over Ethernet (FCoE), iSCSI over DCB, RDMA over Converged Ethernet (RoCE) and other latency sensitive applications. WHY: These test events help vendors create interoperable, market‐ready products that interoperate to the IEEE 802.1 DCB standards. WHEN: Conference Call for Interested Participants: Friday, March 4 at 10 AM PST Event Registration Open Until: March 4, 2011 Event Dates (tentative): May 23‐27, 2011 WHERE: University of New Hampshire Interoperability Lab (UNH‐IOL) Durham, NH WHO: The DCB Interoperability Event is hosted by the Ethernet Alliance. REGISTER: To get more information, learn about participation fees and/or register for the DCB plugfest, please visit Ethernet Alliance DCB Interoperability Test Event page or contact [email protected]. -
Gigabit Ethernet - CH 3 - Ethernet, Fast Ethernet, and Gigabit Ethern
Switched, Fast, and Gigabit Ethernet - CH 3 - Ethernet, Fast Ethernet, and Gigabit Ethern.. Page 1 of 36 [Figures are not included in this sample chapter] Switched, Fast, and Gigabit Ethernet - 3 - Ethernet, Fast Ethernet, and Gigabit Ethernet Standards This chapter discusses the theory and standards of the three versions of Ethernet around today: regular 10Mbps Ethernet, 100Mbps Fast Ethernet, and 1000Mbps Gigabit Ethernet. The goal of this chapter is to educate you as a LAN manager or IT professional about essential differences between shared 10Mbps Ethernet and these newer technologies. This chapter focuses on aspects of Fast Ethernet and Gigabit Ethernet that are relevant to you and doesn’t get into too much technical detail. Read this chapter and the following two (Chapter 4, "Layer 2 Ethernet Switching," and Chapter 5, "VLANs and Layer 3 Switching") together. This chapter focuses on the different Ethernet MAC and PHY standards, as well as repeaters, also known as hubs. Chapter 4 examines Ethernet bridging, also known as Layer 2 switching. Chapter 5 discusses VLANs, some basics of routing, and Layer 3 switching. These three chapters serve as a precursor to the second half of this book, namely the hands-on implementation in Chapters 8 through 12. After you understand the key differences between yesterday’s shared Ethernet and today’s Switched, Fast, and Gigabit Ethernet, evaluating products and building a network with these products should be relatively straightforward. The chapter is split into seven sections: l "Ethernet and the OSI Reference Model" discusses the OSI Reference Model and how Ethernet relates to the physical (PHY) and Media Access Control (MAC) layers of the OSI model. -
Upcoming Standards in Wireless Local Area Networks
Preprint: http://arxiv.org/abs/1307.7633 Original Publication: UPCOMING STANDARDS IN WIRELESS LOCAL AREA NETWORKS Sourangsu Banerji Department of Electronics & Communication Engineering, RCC-Institute of Information Technology, India Email: [email protected] ABSTRACT: Network technologies are However out of every one of these standards, traditionally centered on wireline solutions. WLAN and recent developments in WLAN Wireless broadband technologies nowadays technology will be our main subject of study in this particular paper. The IEEE 802.11 is the most provide unlimited broadband usage to users widely deployed WLAN technology as of today. that have been previously offered simply to Another renowned counterpart is the HiperLAN wireline users. In this paper, we discuss some of standard by ETSI. These two technologies are the upcoming standards of one of the emerging united underneath the Wireless Fidelity (Wi-fi) wireless broadband technology i.e. IEEE alliance. In literature though, IEEE802.11 and Wi- 802.11. The newest and the emerging standards fi is used interchangeably and we will also continue with the same convention in this fix technology issues or add functionality that particular paper. A regular WLAN network is will be expected to overcome many of the associated with an Access Point (AP) in the current standing problems with IEEE 802.11. middle/centre and numerous stations (STAs) are connected to this central Access Point (AP).Now, Keywords: Wireless Communications, IEEE there are just two modes in which communication 802.11, WLAN, Wi-fi. normally takes place. 1. Introduction Within the centralized mode of communication, The wireless broadband technologies were communication to/from a STA is actually carried developed with the objective of providing services across by the APs. -
An Analysis of IEEE 802.16 and Wimax Multicast Delivery
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Calhoun, Institutional Archive of the Naval Postgraduate School Calhoun: The NPS Institutional Archive Theses and Dissertations Thesis Collection 2007-09 An analysis of IEEE 802.16 and WiMAX multicast delivery Staub, Patrick A. Monterey, California. Naval Postgraduate School http://hdl.handle.net/10945/3203 NAVAL POSTGRADUATE SCHOOL MONTEREY, CALIFORNIA THESIS AN ANALYSIS OF IEEE 802.16 AND WIMAX MULTICAST DELIVERY by Patrick A. Staub September, 2007 Thesis Advisor: Bert Lundy Second Reader: George Dinolt Approved for public release; distribution is unlimited THIS PAGE INTENTIONALLY LEFT BLANK REPORT DOCUMENTATION PAGE Form Approved OMB No. 0704-0188 Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instruction, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302, and to the Office of Management and Budget, Paperwork Reduction Project (0704-0188) Washington DC 20503. 1. AGENCY USE ONLY (Leave blank) 2. REPORT DATE 3. REPORT TYPE AND DATES COVERED September 2007 Master’s Thesis 4. TITLE AND SUBTITLE An Analysis of IEEE 802.16 and WiMAX 5. FUNDING NUMBERS Multicast Delivery 6. AUTHOR(S) Patrick A. Staub 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) 8. -
OFC 2017 the Fracturing and Burgeoning Ethernet Market
OFC 2017 The Fracturing and Burgeoning Ethernet Market March 21, 2017 www.ethernetalliance.org© 2017 Ethernet Alliance Disclaimer Opinions expressed during this presentation are the views of the presenters, and should not be considered the views or positions of the Ethernet Alliance. 2 © 2017 Ethernet Alliance Introductions • Moderator –John D’Ambrosia, Futurewei • Panelists –Chris Cole, Finisar –Paul Brooks, Viavi –Mark Nowell, Cisco 3 © 2017 Ethernet Alliance Ethernet Switch – Data Center Shipments © 2017 Ethernet Alliance Ethernet Optical Module Market Value 2016 $2.5 billion total market © 2017 Ethernet Alliance Ethernet Optical Module Market Value 2021 $4.4 billion Total Market © 2017 Ethernet Alliance Optical Modules IEEE 802.3 defined chip-to-module (C2M) interfaces enabled non-IEEE 802.3 optical specifications for 40GbE / 100GbE © 2017 Ethernet Alliance 100GbE QSFP28 Consumption in 2016 • SMF modules have majority share • SR4 modules largest individual share 8 © 2017 Ethernet Alliance 400 GbE Optical Solutions 9 © 2017 Ethernet Alliance Standard vs Proprietary Ethernet Optics Standard • 10G-SR • 40G-SR4 • 100G-SR10 • 10G-LR • 40G-FR • 100G-SR4 • 10G-LRM • 40G-LR4 • 100G-LR4 • 10G-ER • 100G-ER4 • 100G-SR2 • 100G-DR Proprietary Reduced • 10G-SR (Sub) • 40G-LR4(Sub) • 100G-LR4 (Lite) Standard • 10G-LR (Sub) • 100G-ER4 (Lite) Extended • 40G-eSR4 • 100G-eLR4 Standard Other • 40G-Bidi/SWDM • 100G-PSM4 • 40G-PSM4 • 100G-CWDM4 / CLR4 / Lite www.ethernetalliance.org 10 © 2017 Ethernet Alliance Standard vs Proprietary Ethernet Optics Volume Shipped Volume www.ethernetalliance.org 11 © 2017 Ethernet Alliance ETHERNET OPTICS WHAT’S THE SAME WHAT’S DIFFERENT Chris Cole, Finisar www.ethernetalliance.org© 2017 Ethernet Alliance Optics History: 10G Data Rate Attribute First Tech. -
10G EPON- Unleashing the Bandwidth Potential White Papers
www.zte.com.cn 10G EPON- Unleashing the Bandwidth Potential White Papers Product Type Technical Description Version Date Author Approved By Remarks Sameer V1.00 00-0-4 Ashfaq Not open to the Third Party Malik © 00 ZTE Corporation. All rights reserved. ZTE CONFIDENTIAL: This document contains proprietary information of ZTE and is not to be disclosed or used without the prior written permission of ZTE. Due to update and improvement of ZTE products and technologies, information in this document is subjected to change without notice. White Papers Content TABLE OF CONTENTS 1 Abstract………………………………………………………………………………………1 2 Introduction…………………………………………………………………………………1 3 IEEE 802.3av 10Gbit/s Ethernet-based PON (10G EPON) ……………………………2 4 Standardization Timeline…………………………………………………………………3 4.1 10 G EPON Co-existence with 1G EPON…………………………………………………4 5 Power Budget………………………………………………………………………………5 6 10G EPON Optical Spectrum Allocation…………………………………………………6 7 Forward Error Correction (FEC)…………………………………………………………6 8 Dynamic Bandwidth Allocation (DBA)…………………………………………………6 9 10G Convergence……………………………………………………………………………7 10 10G EPON Industrial Chain………………………………………………………………7 11 Conclusion……………………………………………………………………………………8 FIGURES Figure 1 10G EPON protocol stack…………………………………………………………… Figure 2 shows the 10G EPON protocol schedule.…………………………………………… Figure 3 10G and 1G EPON co-existence……………………………………………………4 Figure 4 10G EPON Wavelength Allocation Chart……………………………………………6 Figure 5 Convergences at 10G…………………………………………………………………7 TABLES Table 1 Major Milestones in 10G EPON Study Group……………………………………… Table 2 Power Budget Explanation………………………………………………………………5 White Papers 1 Abstract For the first time in history, we can now aim to live in “ One World” , because the 1st century has ushered in a new era in man’ s ongoing quest for a better life and a better world. Telco industry is passing through a phase of multiservice revolution, with a shift from legacy to next generation networks and the introduction of new and advanced services (e.g. -
System Performance of Wireless Sensor Network Using Lora…
Computers, Materials & Continua Tech Science Press DOI:10.32604/cmc.2021.016922 Article System Performance of Wireless Sensor Network Using LoRa–Zigbee Hybrid Communication Van-Truong Truong1, Anand Nayyar2,* and Showkat Ahmad Lone3 1Faculty of Electrical and Electronic Engineering, Duy Tan University, Da Nang, 550000, Vietnam; Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam 2Graduate School, Duy Tan University, Da Nang 550000, Vietnam; Faculty of Information Technology, Duy Tan University, Da Nang, Vietnam 3Department of Basic Science, College of Science and Theoretical Studies, Saudi Electronic University, Jeddah Campus, KSA *Corresponding Author: Anand Nayyar. Email: [email protected] Received: 15 January 2021; Accepted: 17 February 2021 Abstract: Wireless sensor network (WSN) is considered as the fastest growing technology pattern in recent years because of its applicability in var- ied domains. Many sensor nodes with different sensing functionalities are deployed in the monitoring area to collect suitable data and transmit it to the gateway. Ensuring communications in heterogeneous WSNs, is a critical issue that needs to be studied. In this research paper, we study the system performance of a heterogeneous WSN using LoRa–Zigbee hybrid communi- cation. Specifically, two Zigbee sensor clusters and two LoRa sensor clusters are used and combined with two Zigbee-to-LoRa converters to communicate in a network managed by a LoRa gateway. The overall system integrates many different sensors in terms of types, communication protocols, and accuracy, which can be used in many applications in realistic environments such as on land, under water, or in the air. In addition to this, a synchronous man- agement software on ThingSpeak Web server and Blynk app is designed. -
13 Embedded Communication Protocols
13 Embedded Communication Protocols Distributed Embedded Systems Philip Koopman October 12, 2015 © Copyright 2000-2015, Philip Koopman Where Are We Now? Where we’ve been: •Design • Distributed system intro • Reviews & process • Testing Where we’re going today: • Intro to embedded networking – If you want to be distributed, you need to have a network! Where we’re going next: • CAN (a representative current network protocol) • Scheduling •… 2 Preview “Serial Bus” = “Embedded Network” = “Multiplexed Wire” ~= “Muxing” = “Bus” Getting Bits onto the wire • Physical interface • Bit encoding Classes of protocols • General operation • Tradeoffs (there is no one “best” protocol) • Wired vs. wireless “High Speed Bus” 3 Linear Network Topology BUS • Good fit to long skinny systems – elevators, assembly lines, etc... • Flexible - many protocol options • Break in the cable splits the bus • May be a poor choice for fiber optics due to problems with splitting/merging • Was prevalent for early desktop systems • Is used for most embedded control networks 4 Star Network Topologies Star • Can emulate bus functions – Easy to detect and isolate failures – Broken wire only affects one node – Good for fiber optics – Requires more wiring; common for Star current desktop systems • Broken hub is catastrophic • Gives a centralized location if needed – Can be good for isolating nodes that generate too much traffic Star topologies increasing in popularity • Bus topology has startup problems in some fault scenarios • Safety critical control networks moving -
IEEE Std 802.3™-2012 New York, NY 10016-5997 (Revision of USA IEEE Std 802.3-2008)
IEEE Standard for Ethernet IEEE Computer Society Sponsored by the LAN/MAN Standards Committee IEEE 3 Park Avenue IEEE Std 802.3™-2012 New York, NY 10016-5997 (Revision of USA IEEE Std 802.3-2008) 28 December 2012 IEEE Std 802.3™-2012 (Revision of IEEE Std 802.3-2008) IEEE Standard for Ethernet Sponsor LAN/MAN Standards Committee of the IEEE Computer Society Approved 30 August 2012 IEEE-SA Standard Board Abstract: Ethernet local area network operation is specified for selected speeds of operation from 1 Mb/s to 100 Gb/s using a common media access control (MAC) specification and management information base (MIB). The Carrier Sense Multiple Access with Collision Detection (CSMA/CD) MAC protocol specifies shared medium (half duplex) operation, as well as full duplex operation. Speed specific Media Independent Interfaces (MIIs) allow use of selected Physical Layer devices (PHY) for operation over coaxial, twisted-pair or fiber optic cables. System considerations for multisegment shared access networks describe the use of Repeaters that are defined for operational speeds up to 1000 Mb/s. Local Area Network (LAN) operation is supported at all speeds. Other specified capabilities include various PHY types for access networks, PHYs suitable for metropolitan area network applications, and the provision of power over selected twisted-pair PHY types. Keywords: 10BASE; 100BASE; 1000BASE; 10GBASE; 40GBASE; 100GBASE; 10 Gigabit Ethernet; 40 Gigabit Ethernet; 100 Gigabit Ethernet; attachment unit interface; AUI; Auto Negotiation; Backplane Ethernet; data processing; DTE Power via the MDI; EPON; Ethernet; Ethernet in the First Mile; Ethernet passive optical network; Fast Ethernet; Gigabit Ethernet; GMII; information exchange; IEEE 802.3; local area network; management; medium dependent interface; media independent interface; MDI; MIB; MII; PHY; physical coding sublayer; Physical Layer; physical medium attachment; PMA; Power over Ethernet; repeater; type field; VLAN TAG; XGMII The Institute of Electrical and Electronics Engineers, Inc. -
Automotive Ethernet Kirsten Matheus , Thomas Königseder Frontmatter More Information
Cambridge University Press 978-1-108-84195-5 — Automotive Ethernet Kirsten Matheus , Thomas Königseder Frontmatter More Information Automotive Ethernet Third Edition Learn about the latest developments in Automotive Ethernet technology and imple- mentation with this fully revised third edition. Including 20% new material and greater technical depth, coverage is expanded to include Detailed explanations of the new PHY technologies 10BASE-T1S (including multi- drop) and 2.5, 5, and 10GBASE-T1 Discussion of EMC interference models Descriptions of the new TSN standards for automotive use More on security concepts An overview of power saving possibilities with Automotive Ethernet Explanation of functional safety in the context of Automotive Ethernet An overview of test strategies The main lessons learned Industry pioneers share the technical and non-technical decisions that have led to the success of Automotive Ethernet, covering everything from electromagnetic require- ments and physical layer technologies, QoS, and the use of VLANs, IP, and service discovery, to network architecture and testing. The guide for engineers, technical managers, and researchers designing components for in-car electronics, and those interested in the strategy of introducing a new technology. Kirsten Matheus is a communications engineer who is responsible for the in-vehicle networking strategy at BMW and who has established Ethernet-based communication as a standard technology within the automotive industry. She has previously worked for Volkswagen, NXP, and Ericsson. In 2019 she was awarded the IEEE-SA Standards Medallion “For vision, leadership, and contributions to developing auto- motive Ethernet networking.” Thomas Königseder is CTO at Technica Engineering, supporting the smooth introduc- tion of Ethernet-based systems for automotive customers. -
C:\Andrzej\PDF\ABC Nagrywania P³yt CD\1 Strona.Cdr
IDZ DO PRZYK£ADOWY ROZDZIA£ SPIS TREFCI Wielka encyklopedia komputerów KATALOG KSI¥¯EK Autor: Alan Freedman KATALOG ONLINE T³umaczenie: Micha³ Dadan, Pawe³ Gonera, Pawe³ Koronkiewicz, Rados³aw Meryk, Piotr Pilch ZAMÓW DRUKOWANY KATALOG ISBN: 83-7361-136-3 Tytu³ orygina³u: ComputerDesktop Encyclopedia Format: B5, stron: 1118 TWÓJ KOSZYK DODAJ DO KOSZYKA Wspó³czesna informatyka to nie tylko komputery i oprogramowanie. To setki technologii, narzêdzi i urz¹dzeñ umo¿liwiaj¹cych wykorzystywanie komputerów CENNIK I INFORMACJE w ró¿nych dziedzinach ¿ycia, jak: poligrafia, projektowanie, tworzenie aplikacji, sieci komputerowe, gry, kinowe efekty specjalne i wiele innych. Rozwój technologii ZAMÓW INFORMACJE komputerowych, trwaj¹cy stosunkowo krótko, wniós³ do naszego ¿ycia wiele nowych O NOWOFCIACH mo¿liwoYci. „Wielka encyklopedia komputerów” to kompletne kompendium wiedzy na temat ZAMÓW CENNIK wspó³czesnej informatyki. Jest lektur¹ obowi¹zkow¹ dla ka¿dego, kto chce rozumieæ dynamiczny rozwój elektroniki i technologii informatycznych. Opisuje wszystkie zagadnienia zwi¹zane ze wspó³czesn¹ informatyk¹; przedstawia zarówno jej historiê, CZYTELNIA jak i trendy rozwoju. Zawiera informacje o firmach, których produkty zrewolucjonizowa³y FRAGMENTY KSI¥¯EK ONLINE wspó³czesny Ywiat, oraz opisy technologii, sprzêtu i oprogramowania. Ka¿dy, niezale¿nie od stopnia zaawansowania swojej wiedzy, znajdzie w niej wyczerpuj¹ce wyjaYnienia interesuj¹cych go terminów z ró¿nych bran¿ dzisiejszej informatyki. • Komunikacja pomiêdzy systemami informatycznymi i sieci komputerowe • Grafika komputerowa i technologie multimedialne • Internet, WWW, poczta elektroniczna, grupy dyskusyjne • Komputery osobiste — PC i Macintosh • Komputery typu mainframe i stacje robocze • Tworzenie oprogramowania i systemów komputerowych • Poligrafia i reklama • Komputerowe wspomaganie projektowania • Wirusy komputerowe Wydawnictwo Helion JeYli szukasz ]ród³a informacji o technologiach informatycznych, chcesz poznaæ ul.