CCNA_Cisco_2.txt

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gjpmp3
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49403
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CCNA_Cisco_2.txt
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2010-11-14 10:19:42
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CCNA Cisco Ch2
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CCNA Cisco chapter 2 questions
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  1. 1. What was the first type of microcomputer network to be implemented? A. MAN B. WAN C. LAN D. PAN
    C. LAN
  2. 2. Using modem connections, how many modems would it take to allow connections from ten computers? A. One B. Five C. Ten D. Fifteen
    C. Ten
  3. 3. What is a code that is “burned in” to a network interface card? A. NIC B. MAC address C. Hub D. LAN
    B. MAC address
  4. 4. Which topology has all its nodes connected directly to one center point and has no other connections between nodes? A. Bus B. Ring C. Star D. Mesh
    C. Star
  5. 5. What do TIA and EIA stand for? A. Television Industry Association, Electronic Industries Association B. Telecommunications Industry Association, Electronic Industries Alliance C. Telecommunications Industry Alliance, Electronic Industries Association D. Téléphonique International Association, Elégraphique Industries Alliance
    B. Telecommunications Industry Association, Electronic Industries Alliance
  6. 6. LANs are designed to do which of the following? (Select all that apply.) A. Operate within a limited geographic area B. Allow many users to access high-bandwidth media C. Connect to the Internet D. Provide full-time connectivity to local services
    A, B, D
  7. 7. Which of the following statements best describes a WAN? A. It connects LANs that are separated by a large geographic area. B. It connects workstations, terminals, and other devices in a metropolitan area. C. It connects LANs within a large building. D. It connects workstations, terminals, and other devices within a building.
    A. It connects LANs that are separated by a large geographic area.
  8. 8. Which of the following statements correctly describes a MAN? A. A MAN is a network that connects workstations, peripherals, terminals, and other devices in a single building. B. A MAN is a network that serves users across a broad geographic area. It often uses transmission devices provided by common carriers. C. A MAN is a network that spans a metropolitan area such as a city or suburban area. D. A MAN is a network that is interconnected by routers and other devices and that functions as a single network.
    C
  9. 9. Which of the following is not one of the features of a SAN? A. SANs enable concurrent access of disk or tape arrays, providing enhanced system performance. B. SANs provide a reliable disaster recovery solution. C. SANs are scalable. D. SANs minimize system and data availability.
    D. SANs minimize system and data availability.
  10. 10. What service offers secure, reliable connectivity over a shared public network infrastructure? A. Internet B. Virtual private network C. Virtual public network D. WAN
    B. Virtual private network
  11. 11. What links enterprise customer headquarters, remote offices, and branch offices to an internal network over a shared infrastructure? A. Access VPN B. Intranet VPN C. Extranet VPN D. Internet VPN
    B. Intranet VPN
  12. 12. What is the name of the part of a company’s LAN that is made available to select parties such as employees, customers, and partners? A. The Internet B. The extranet C. The intranet D. The LAN
    B. The extranet
  13. 13. What is the movement of objects through layers? A. Wrapping B. Flow C. Traveling D. Transmission
    B. Flow
  14. 14. The OSI model has how many layers? A. Four B. Five C. Six D. Seven
    D. Seven
  15. 15. What is the OSI model? A. A conceptual framework that specifies how information travels through networks B. A model that describes how data makes its way from one application program to another throughout a network C. A conceptual framework that specifies which network functions occur at each layer D. All of the above
    D. All of the above
  16. 16. Which of the following is the correct order of the network layers? A. 1: Physical 2: Data link 3: Transport 4: Network 5: Presentation 6: Session 7: Application B. 1: Physical 2: Data link 3: Network 4: Transport 5: Session 6: Presentation 7: Application C. 1: Physical 2: Data link 3: Network
    • 4: Session 5: Transport 6: Application 7: Presentation D. 1: Physical 2: Network 3: Session 4: Data link 5: Transport 6: Application 7: Presentation
    • B
  17. 17. Which layer of the OSI model handles physical addressing, network topology, network access, and flow control? A. The physical layer B. The data link layer C. The transport layer D. The network layer
    B. The data link layer
  18. 18. Which of the following best defines encapsulation? A. Segmenting data so that it flows uninterrupted through the network B. Compressing data so that it moves faster C. Moving data in groups so that it stays together D. Wrapping data in a particular protocol header
    D. Wrapping data in a particular protocol header
  19. 19. An e-mail message is sent from Host A to Host B on a LAN. Before this message can be sent, the data must be encapsulated. Which of the following best describes what happens after a packet is constructed? A. The packet is transmitted along the medium. B. The packet is put into a frame. C. The packet is segmented into frames. D. The packet is converted to binary format.
    B. The packet is put into a frame.
  20. 20. In the TCP/IP model, which layer deals with reliability, flow control, and error correction? A. Application B. Transport A. Internet A. Network access
    B. Transport
  21. 21. Repeaters can provide a simple solution for what problem? A. Too many types of incompatible equipment on the network B. Too much traffic on a network
    • C. Too-slow convergence rates D. Too many nodes or not enough cable
    • D. Too many nodes or not enough cable
  22. 22. Which of the following is true of a bridge and its forwarding decisions? A. Bridges operate at OSI Layer 2 and use IP addresses to make decisions. B. Bridges operate at OSI Layer 3 and use IP addresses to make decisions. C. Bridges operate at OSI Layer 2 and use MAC addresses to make decisions. D. Bridges operate at OSI Layer 3 and use MAC addresses to make decisions.
    C. Bridges operate at OSI Layer 2 and use MAC addresses to make decisions.
  23. 23. Which of the following is true of a switch’s function? A. Switches increase the size of collision domains. B. Switches combine the connectivity of a hub with the traffic regulation of a bridge. C. Switches combine the connectivity of a hub with the traffic direction of a router. D. Switches perform Layer 4 path selection.
    B.
  24. 24. What does a router route? A. Layer 1 bits B. Layer 2 frames C. Layer 3 packets D. Layer 4 segments
    C. Layer 3 packets
  25. 25. Which of the following statements is true? A. A gateway is a special-purpose device that performs an application layer conversion of information from one protocol stack to another. B. The Cisco AS5400 Series Universal Gateway offers universal port data, voice, wireless, and fax services on any port at any time. C. A DSLAM serves as the interface point of between a number of subscriber premises and the carrier network. D. All of the above
    C.
  26. 26. What is/are the function(s) of an AAA server? (Select all that apply.) A. To ensure that only authenticated users can get into the network B. To ensure that the users are allowed access to only the resources they need C. To ensure that records are kept of everything the authentic users do after they are allowed entry D. All of the above
    D. All of the above
  27. 27. What is/are the function(s) of a firewall? (Select all that apply.) A. Software-based B. Hardware-based C. Filter traffic D. Layer 2 devices E. None of the above
    A. Software-based B. Hardware-based C. Filter traffic

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