C. Distance-vector and link-state D. None of the above
15. If your LAN network is currently congested and you are using only hubs in your network, what would be the BEST solution to decrease congestion on your network? A. Cascade your hubs.
B. Replace your hubs with switches. C. Replace your hubs with routers. D. Add faster hubs.
16. What technology is a used by most switches to resolve topology loops and ensure that data flows properly through a single network path? A. RIP B. STP C. IGRP
D. Store-and-forward
17. Which of the following is one of the characteristics of IP? A. reliable and connectionless B. unreliable and connectionless C. reliable and connection-oriented D. unreliable and connection-oriented
18. What is the valid host range for subnet 172.16.10.16 (Mask 255.255.255.240)?
A. 172.16.10.20 through 172.16.10.22 B. 172.16.10.16 through 172.16.10.23 C. 172.16.10.17 through 172.16.10.31 D. 172.16.10.17 through 172.16.10.30
19. What range of addresses can be used in the first octet of a Class B network address?
A. 1–126 B. 128–190 C. 128–191 D. 129–192
20. Which of the following is not true?
A. IP is connectionless and provides routing. B. ARP is used to find an IP address of a host. C. UDP is connectionless. D. TCP is connection oriented.
21. Which class of IP address provides a maximum of only 254 host addresses per network ID?
A. Class A B. Class B C. Class C D. Class D
22. Which protocol tool use ICMP?
A. Telnet B. Ping C. ARP D. FTP
23. Which of the following is an IEEE standard for frame tagging?
A. 802.1X