2.19. Review Questions

  1. What is name of the unique physical address that is assigned to every network interface card?

    1. IP address

    2. Hostname

    3. MAC address

    4. NetBIOS name

  2. At which layer of the OSI model is information from applications translated into a form of communication that can be sent over the network?

    1. Physical

    2. Transport

    3. Network

    4. Presentation

  3. Which layer of the OSI model is responsible for resending packets that do not receive an acknowledgment from the destination address on the network?

    1. Application

    2. Transport

    3. Network

    4. Session

  4. Which layer of the OSI model is divided into two sublayers?

    1. Session

    2. Application

    3. Data Link

    4. Physical

  5. At which layer of the OSI model does a network bridge operate?

    1. Network

    2. Data Link

    3. Physical

    4. Session

  6. At which layer of the OSI model does a router operate?

    1. Network

    2. Application

    3. Session

    4. Transport

  7. Which of the following protocols is not routable?

    1. IP

    2. IPX

    3. AppleTalk

    4. NetBEUI

  8. How many bits are used to create and IPv4 address?

    1. 8

    2. 6

    3. 32

    4. 64

  9. In which address class is the classful IP address 191.222.232.254?

    1. A

    2. B

    3. C

    4. D

  10. If you have a class B address with a default subnet mask and you need to create 8 subnets, then which of the following subnet masks should you use?

    1. 255.255.255.240

    2. 255.255.224.0

    3. 255.255.240.0

    4. 255.240.0.0

  11. Which of the following IP addresses are valid for private IP addressing that is filtered from the Internet? (Choose two.)

    1. 10.1.1.1

    2. 172.17.255.254

    3. 11.1.2.4

    4. 193.168.2.1

  12. You are troubleshooting a connection for a user. The user cannot connect to the network. You determine that the user has an IP address of 169.254.2.5. Which type of server is most likely the cause of the problem?

    1. WINS

    2. DNS

    3. Domain Controller

    4. DHCP

  13. Which protocol in the TCP/IP protocol suite is responsible for managing the three-way handshake that establishes a session?

    1. IP

    2. UDP

    3. TCP

    4. ARP

  14. Which of the following protocols is responsible for sending e-mail over the Internet?

    1. POP3

    2. IMAP4

    3. FTP

    4. SMTP

  15. Which protocol is responsible for responding to a ping request?

    1. ICMP

    2. TCP

    3. ARP

    4. UDP

  16. Which protocol resolves IP addresses to MAC addresses?

    1. DNS

    2. ARP

    3. NetBIOS

    4. TCP

  17. Which information directory protocol is the standard for Windows Active Directory?

    1. TCP

    2. UDP

    3. LDAP

    4. IGMP

  18. Which of the following are designated as well-known port numbers? (Choose two.)

    1. 80

    2. 49,150

    3. 1,011

    4. 8,080

  19. Which of the following is the total available bandwidth of a T1 line?

    1. 128Kbps

    2. 2.544Gbps

    3. 1.544Mbps

    4. 56Mbps

  20. Which of the following remote access protocols is used to establish connectivity in most of today's remote access networks?

    1. SLIP

    2. PPP

    3. PPTP

    4. L2TP

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