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CCNA 1 v3.1

CCNA 1 v3.1. Module 5 Review. Which layer of the OSI model covers physical media?. Layer 1. Which of the following companies are responsible for creating and implementing the first Ethernet LAN specifications? (Choose three.). Intel Digital Microsoft Hewlett Packard Xerox Cisco. Intel

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CCNA 1 v3.1

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  1. CCNA 1 v3.1 Module 5 Review

  2. Which layer of the OSI model covers physical media? • Layer 1

  3. Which of the following companies are responsible for creating and implementing the first Ethernet LAN specifications? (Choose three.) • Intel • Digital • Microsoft • Hewlett Packard • Xerox • Cisco • Intel • Digital • Microsoft • Hewlett Packard • Xerox • Cisco

  4. Which type of connector supports 100BASE-T Ethernet over Category 5e UTP? • RJ-45

  5. In which of the following situations would a straight-through cable be used? Note: Count the crossover connections. You need an odd number of crossover connections in order to have communication. If you have an odd number of crossover connections to start with, then you use a straight-through cable. A PC NIC has a straight-through port. A hub has crossover ports, except for the daisy-chain port. A switch has crossover ports. A router has straight-through ports. • switch to PC • router to router • router to switch • router to PC • switch to hub • PC to hub • switch to PC • router to router • router to switch • router to PC • switch to hub • PC to hub

  6. What are the reasons for the Four Repeater Rule of 10 Mbps Ethernet? (Name two.) • to prevent late collisions • to limit latency

  7. What are 2 major benefits of wireless networks when compared to wired networks? • mobility • no need to run cables to hosts

  8. What are 3 types of hubs? • active • passive • Intelligent

  9. What are 2 other names for a hub? • concentrator • multiport repeater

  10. What are 3 benefits of peer-to-peer networks? • easy to create • no centralized equipment required • centralized administrator not required

  11. What are 3 advantages of client/server networks? • centralized security • centralized backups • enhanced network services

  12. What is the recommended maximum number of workstations configured on a peer-to-peer network? • 10

  13. What are the two basic functions of a switch? • switching data frames • build and maintain tables

  14. What must be connected to the DB-15 AUI port to provide connectivity for an RJ-45 terminated cable? • transceiver

  15. At which layer of the OSI model is a NIC classified? • Data link

  16. Which protocol is typically used to carry data over an ISDN B channel? • PPP

  17. An ISDN BRI connection is composed of how many bearer channels? • 2Remember the 2B+D rule: 2 bearer channels for voice and data and 1 D channel for signaling to carry instructions

  18. Which port on a router is used with a modem to make configuration changes? • Aux

  19. What type of network cable is used between a terminal and a console port? • rollover or Console cable

  20. What 2 devices provide signal clocking for WAN serial transmission? • DCE • CSU/DSU

  21. Which address does a bridge use to make filtering and switching decisions? • destination MAC

  22. What are 2 technologies used in wireless data transmission? • IR • Infrared • RF • Radio Frequency

  23. In a UTP crossover cable, which 2 pairs of pins are crossed? • 1 and 2 • 3 and 6

  24. Which layer of the OSI model addresses cable and connector type? • physical

  25. What is the most widely used LAN technology? • Ethernet

  26. What are the correct standards and pin locations for the Green/White and Green wire pair when building a crossover cable.? • 568A • Pins 1 and 2 • 568B • Pins 3 and 6

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