Networking problems
- 1. Which of the following statements is correct?
Options- A. Protocol converters are the same as multiplexers
- B. Protocol converters are the same as TDMs
- C. Protocol converters are usually not operated in pairs.
- D. Protocol converters are usually operated in
- E. None of the above Discuss
Correct Answer: Protocol converters are usually not operated in pairs.
- 2. How many digits of the Network User Address are known as the DNIC (Data Network Identification Code)?
Options- A. first three
- B. first four
- C. first five
- D. first seven
- E. None of the above Discuss
Correct Answer: first four
- 3. You are working with a network that has the network ID 192.168.10.0 and require nine subsets for your company and the maximum number of hosts. What subnet mask should you use?
Options- A. 255.255.255.192
- B. 255.255.255.224
- C. 255.255.255.240
- D. 255.255.255.248
- E. 255.255.255.252 Discuss
Correct Answer: 255.255.255.240
- 4. The slowest transmission speeds are those of
Options- A. twisted-pair wire
- B. coaxial cable
- C. fiber-optic cable
- D. microwaves
- E. None of the above Discuss
Correct Answer: twisted-pair wire
- 5. Which layer of OSI determines the interface of the system with the user?
Options- A. Network
- B. Application
- C. Data-link
- D. Session
- E. None of the above Discuss
Correct Answer: Application
- 6. Thorough planning must take place when setting up an 802.3 network. A maximum number of segments can separate any two nodes on the network. What is the maximum number of segments allowed between two nodes?
Options- A. Five
- B. Two
- C. Four
- D. Six
- E. Three Discuss
Correct Answer: Five
- 7. What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?
Options- A. 4
- B. 2
- C. 6
- D. 3
- E. None of the above Discuss
Correct Answer: 3
- 8. The encoding method specified in the EIA-232 standard is _____.
Options- A. NRZ-I
- B. NRZ-L
- C. Manchester
- D. Differential Manchester Discuss
Correct Answer: NRZ-L
- 9. You have a network ID of 134.57.0.0 and you need to divide it into multiple subnets in which at least 600 host IDs for each subnet are available. You desire to have the largest amount of subnets available. Which subnet mask should you assign?
Options- A. 255.255.224.0
- B. 255.255.240.0
- C. 255.255.248.0
- D. 255.255.255.0
- E. 255.255.255.255 Discuss
Correct Answer: 255.255.255.0
- 10. Which of the following statements is correct?
Options- A. Terminal section of a synchronous modem contains the scrambler
- B. Receiver section of a synchronous modem contains the scrambler
- C. Transmission section of a synchronous modem contains the scrambler
- D. Control section of a synchronous modem contains the scrambler
- E. None of the above Discuss
Correct Answer: Transmission section of a synchronous modem contains the scrambler
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