Networking Quiz: LANs and Protocols

MCQ Questions and Answers

• Question 1: Which of the following statements about wired and wireless LANs is correct?

  • Wired LANs operate in the lower three layers, and wireless LANs operate in the lower three layers of the TCP/IP protocol suite.

• Question 2: A checksum can

  • Detect errors.

• Question 3: In a handoff, a mobile station can communicate with two base stations at the same time?

  • The correct answer is Yes, the mobile station uses a stateful process for this.

• Question 4: The management system monitors and controls the network to ensure that it is running as efficiently as possible is called?

  • Performance.

• Question 5: Which of the following is an example of random-access protocol?

  • Polling.

• Question 6: Which of the following IP address ranges is reserved for internal use behind a router?

  • 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255, and 192.168.0.0 to 192.168.255.255.

• Question 7: What are the three most important criteria in the design of an effective and efficient network?

  • Performance, reliability, and security.

• Question 8: RIP uses the services of:

  • IP.

• Question 9: The original cable TV network used cable end to end:

  • Coaxial

• Question 10: Transmission delay (time) is the ratio of:

  • Transmission rate to distance.

• Question 11: In cyclic redundancy checking, what forms the check bits?

  • Remainder.

• Question 12: In routing, the least cost route between any two nodes is the route with the minimum distance:

  • Distance vector.

• Question 13: When the majority of the internet has moved to the IPv6 but some sites continue to use IPv4, which transition strategy should be used?

  • Either tunneling or header translation

• Question 14: Routers in path are not allowed to:

  • Change source or destination addresses

• Question 15: A LAN is defined by:

  • The topology of the network

• Question 16: In a communication, the media needs to be shared between devices:

  • Multipoint

• Question 17: The management system is responsible for controlling access to the network based on the pre-defined policy:

  • Security

• Question 18: A packet-filter firewall filters at the or layer:

  • Network, transport

• Question 19: In a handoff, a mobile station only communications with one base station:

  • Soft

• Question 20: In Manchester and differential Manchester encoding, the transmission at the middle of the bit is used for:

  • Synchronization.

• Question 21: The idea of address aggregation was designed to alleviate the increase in routing table entries when use addressing?

  • Classless.

• Question 22: The Internet protocol (IP) is

  • An unreliable protocol.