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- Question
Binary-Coded-decimal (BCD) numbers express each digit as a _____
Options- A. byte
- B. nibble
- C. bit
- D. All of the above
- E. None of the above
- Correct Answer
- nibble
- 1. Telecommunication networks frequently interconnect an organization with its customers and suppliers. Select the best fit for answer:
Options- A. Bandwidth alternatives
- B. Switching alternating
- C. Inter organizational networks
- D. Extranets Discuss
- 2. 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 Discuss
- 3. A cut-through switch reads the entire packet before forwarding it to the destination segment
Options- A. True
- B. False Discuss
- 4. With an IP address set starting with 150, you currently have six offices that you are treating as subnets. Plans are in place to open 10 more offices before the end of the year. What subnet mask should you use to satisfy the needed number of subnets and maximize the number of hosts available at each site?
Options- A. 192
- B. 224
- C. 240
- D. 248
- E. 252 Discuss
- 5. Which of the following refers to the terms "residual error rate"?
Options- A. the number of bit errors per twenty four hours of continuous operation on an asynchronous line
- B. The probability that one or more errors will be undetected when an error detection scheme is used
- C. the probability that one or more errors will be detected when an error detection mechanism is used
- D. signal to noise ratio divided by the ratio of energy per bit to noise per hertz
- E. None of the above Discuss
- 6. Which of the following best illustrates the default subnet mask for a class A,B, and C Network?
Options- A. 0.0.0.0, 0.0.0.1, 0.0.1.1
- B. 255.255.255.0, 255.255.0.0, 255.0.0.0
- C. 255.0.0.0, 255.255.0.0, 255.255.255.0
- D. 255.255.0.0, 255.255.255.0, 255.255.255.255
- E. None of the above Discuss
- 7. 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
- 8. Which of the following statement is correct?
Options- A. Buffering is the process of temporarily storing the data to allow for small variation in device speeds
- B. Buffering is a method to reduce cross-talks
- C. Buffering is a method to reduce the routing overhead
- D. Buffering is storage of data within the transmitting medium until the receiver is ready to receive
- E. None of the above Discuss
- 9. The PROJECT command will create new table that has
Options- A. more fields than the original table
- B. more rows than the original table
- C. both (a) and (b)
- D. all the fields of master table
- E. None of the above Discuss
- 10. Which of the following statement is incorrect?
Options- A. if a host moves from one network to another, its IP address must change
- B. routing uses the network portion of the IP address, the path taken by packets travelling to a host with multiple IP addresses depends on the address used.
- C. IP addresses encode both a network and a host on that network, they do not specify an individual machine, but a connection to a network.
- D. All of the above
- E. None of the above Discuss
More questions
Correct Answer: Inter organizational networks
Correct Answer: a coaxial cable
Correct Answer: False
Correct Answer: 248
Correct Answer: The probability that one or more errors will be undetected when an error detection scheme is used
Correct Answer: 255.0.0.0, 255.255.0.0, 255.255.255.0
Correct Answer: Protocol converters are usually not operated in pairs.
Correct Answer: Buffering is the process of temporarily storing the data to allow for small variation in device speeds
Correct Answer: None of the above
Correct Answer: All of the above
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