Networking problems
- 1. You are working with a class C network. You are required to configure it for five subnets, each of which will support 25 nodes. What subnet should you use?
Options- A. 255.255.255.0
- B. 255.255.255.224
- C. 255.255.255.240
- D. 255.255.255.248
- E. 255.255.255.252 Discuss
Correct Answer: 255.255.255.224
- 2. In OSI model, which of the following layer provides error-free delivery of data?
Options- A. Data link
- B. Network
- C. transport
- D. Session
- E. None of the above Discuss
Correct Answer: transport
- 3. The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as
Options- A. 148.20.2.30
- B. 164.100.9.61
- C. 210.20.2.64
- D. 128.10.2.30
- E. None of the above Discuss
Correct Answer: 128.10.2.30
- 4. Which of the following is not a standard synchronous communication protocol?
Options- A. SDLC
- B. SMTP
- C. SLIP
- D. PAS
- E. None of the above Discuss
Correct Answer: PAS
- 5. Which of the following medium access control technique is used for bus/tree?
Options- A. token ring
- B. token bus
- C. CSMA
- D. MAC
- E. None of the above Discuss
Correct Answer: token bus
- 6. The main difference between TCP and UDP is
Options- A. UDP is connection oriented where as TCP is datagram service
- B. TCP is an Internet protocol where as UDP is an ATM protocol
- C. UDP is a datagram where as TCP is a connection oriented service
- D. All of the above Discuss
Correct Answer: UDP is a datagram where as TCP is a connection oriented service
- 7. What is the first octet range for a class A IP address?
Options- A. 1 - 126
- B. 192 - 255
- C. 192 - 223
- D. 1 - 127
- E. 128 - 191 Discuss
Correct Answer: 1 - 126
- 8. On a class B network, how many subnets are available with a subnet mask of 248?
Options- A. 2
- B. 6
- C. 30
- D. 62
- E. 126 Discuss
Correct Answer: 30
- 9. Which of the following communications lines is best suited to interactive processing applications?
Options- A. narrowband channels
- B. simplex lines
- C. full-duplex lines
- D. mixed band channels
- E. None of the above Discuss
Correct Answer: full-duplex lines
- 10. In OSI network architecture, the routing is performed by
Options- A. network layer
- B. data link layer
- C. transport layer
- D. session layer
- E. None of the above Discuss
Correct Answer: network layer
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