Networking problems
- 1. Terminals are used to
Options- A. collect data from the physical system
- B. provide information for the manager
- C. communicate management decisions to the physical system
- D. All of the above
- E. None of the above Discuss
Correct Answer: All of the above
- 2. The loss in signal power as light travels down the fiber is called
Options- A. attenuation
- B. propagation
- C. scattering
- D. interruption
- E. None of the above Discuss
Correct Answer: attenuation
- 3. How many pairs of stations can simultaneously communicate on Ethernet LAN?
Options- A. 1
- B. 2
- C. 3
- D. multiple
- E. None of the above Discuss
Correct Answer: 1
- 4. The channel in the data communication model can be
Options- A. postal mail service
- B. telephone lines
- C. radio signals
- D. All of the above
- E. None of the above Discuss
Correct Answer: All of the above
- 5. You have a network ID of 134.57.0.0 with 8 subnets. You need to allow the largest possible number of host IDs per subnet. Which subnet mask should you assign?
Options- A. 255.255.224.0
- B. 255.255.240.0
- C. 255.255.248.0
- D. 255.255.252.0
- E. 255.255.255.255 Discuss
Correct Answer: 255.255.240.0
- 6. A 2000-character text file has to be transmitted by using a 1,200 baud modem. Can you tell how long will it take?
Options- A. 2 seconds
- B. 20 seconds
- C. 120 seconds
- D. 12 seconds
- E. None of the above Discuss
Correct Answer: 20 seconds
- 7. Layer one of the OSI model is
Options- A. physical layer
- B. link layer
- C. transport layer
- D. network layer
- E. None of the above Discuss
Correct Answer: physical layer
- 8. When a host knows its physical address but not its IP address, it can use _____.
Options- A. RARP
- B. ARP
- C. IGMP
- D. ICMP
- E. None of the above Discuss
Correct Answer: RARP
- 9. Most data communications involving telegraph lines use:
Options- A. simplex lines
- B. wideband channels
- C. narrowband channels
- D. dialed service
- E. None of the above Discuss
Correct Answer: narrowband channels
- 10. Which of the following files is used for NetBIOS name resolution?
Options- A. HOSTS
- B. LMHOSTS
- C. ARP
- D. FQDN
- E. None of the above Discuss
Correct Answer: LMHOSTS
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