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- Question
What does the acronym ISDN stand for?
Options- A. Indian Standard Digital Network
- B. Integrated Services Digital Network
- C. Intelligent Services Digital Network
- D. Integrated Services Data Network
- E. None of the above
- Correct Answer
- Integrated Services Digital Network
- 1. What is the name of the network topology in which there are bi-directional links between each possible node?
Options- A. Ring
- B. Star
- C. Tree
- D. Mesh
- E. None of the above Discuss
- 2. You are working with a network that is 172.16.0.0 and would like to support 600 hosts per subnet. What subnet mask should you use?
Options- A. 255.255.192.0
- B. 255.255.224.0
- C. 255.255.240.0
- D. 255.255.248.0
- E. 255.255.252.0 Discuss
- 3. Most networks are connected to other local area or wide area networks. Select the best fit for answer:
Options- A. Internet works
- B. The Internet
- C. Internet revolution
- D. Internet technologies Discuss
- 4. What is the port number for HTTP?
Options- A. 99
- B. 86
- C. 80
- D. 23 Discuss
- 5. What is the loopback address?
Options- A. 127.0.0.1
- B. 255.0.0.0
- C. 255.255.0.0
- D. 255.255.255.255.0
- E. None of the above Discuss
- 6. What is the main purpose of a data link content monitor?
Options- A. to detect problems in protocols
- B. to determine the type of transmission used in a data link
- C. to determine the type of switching used in a data link.
- D. to determine the flow of data Discuss
- 7. In cyclic redundancy checking what is the CRC?
Options- A. the divisor
- B. the quotient
- C. the dividend
- D. the remainder Discuss
- 8. In cyclic redundancy checking, the divisor is _____ the CRC.
Options- A. the same size as
- B. one bit less than
- C. one bit more than
- D. two bits more Discuss
- 9. Bus is
Options- A. one or more conductors that some as a common connection for a related group of devices
- B. a continuous frequency capable of being modulated or impressed with a second signal
- C. the condition when two or more stations attempt to use the same channel at the same time
- D. a collection of interconnected functional units that provides a data communications service among stations attached to the network
- E. None of the above Discuss
- 10. Phase shift keying (psk) method is used to modulate digital signals at 9600 bps using 16 levels. Find the line signaling speed (i.e., modulation rate)
Options- A. 2400 bands
- B. 1200 bands
- C. 4800 bands
- D. 9600 bands. Discuss
Networking problems
Search Results
Correct Answer: Mesh
Correct Answer: 255.255.252.0
Correct Answer: Internet works
Correct Answer: 80
Correct Answer: 127.0.0.1
Correct Answer: to detect problems in protocols
Correct Answer: the remainder
Correct Answer: one bit more than
Correct Answer: one or more conductors that some as a common connection for a related group of devices
Correct Answer: 2400 bands
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