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- Question
You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?
Options- A. 255.240.0.0
- B. 255.248.0.0
- C. 255.252.0.0
- D. 255.254.0.0
- E. 255.255.255.255
- Correct Answer
- 255.254.0.0
- 1. A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?
Options- A. hot potato routing
- B. flooding
- C. static routing
- D. delta routing
- E. None of the above Discuss
- 2. What device separates a single network into two segments but lets the two segments appear as one to higher protocols?
Options- A. Switch
- B. Bridge
- C. Gateway
- D. Router Discuss
- 3. Which of the following is required to communicate between two computers?
Options- A. communications software
- B. protocol
- C. communications hardware
- D. access to transmission medium
- E. All of the above Discuss
- 4. The synchronous modems are more costly than the asynchronous modems because
Options- A. they produce large volume of data
- B. they contain clock recovery circuits
- C. they transmit the data with stop and start bits.
- D. they operate with a larger bandwidth
- E. None of the above Discuss
- 5. Which of the following condition is used to transmit two packets over a medium at the same time?
Options- A. Contention
- B. Collision
- C. Synchronous
- D. Asynchronous
- E. None of the above Discuss
- 6. The _____ houses the switches in token ring.
Options- A. transceiver
- B. nine-pin connector
- C. MAU
- D. NIC
- E. None of the above Discuss
- 7. Which of the following does not allow multiple users or devices to share one communications line?
Options- A. doubleplexer
- B. multipplexer
- C. concentrator
- D. controller
- E. None of the above Discuss
- 8. To connect a computer with a device in the same room, you might be likely to use
Options- A. a coaxial cable
- B. a dedicated line
- C. a ground station
- D. All of the above
- E. None of the above Discuss
- 9. Which of the following statements is correct for the use of packet switching?
Options- A. the subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individual link failure
- B. the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied
- C. by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.
- D. All of the above
- E. None of the above Discuss
- 10. The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver
Options- A. cannot talk at once
- B. can receive and send data simultaneously
- C. can send or receive data one at a time
- D. can do one way data transmission only
- E. None of the above Discuss
Networking problems
Search Results
Correct Answer: hot potato routing
Correct Answer: Bridge
Correct Answer: All of the above
Correct Answer: they contain clock recovery circuits
Correct Answer: Collision
Correct Answer: MAU
Correct Answer: doubleplexer
Correct Answer: a coaxial cable
Correct Answer: All of the above
Correct Answer: can receive and send data simultaneously
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