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- Question
A 4 KHz noiseless channel with one sample every 125 per sec, is used to transmit digital signals. Find the bit rate (bits per second) that are sent, if CCITT 2.048 Mbps encoding is used.
Options- A. 500 Kbps
- B. 32 Kbps
- C. 8 Kbps
- D. 64 Kbps.
- Correct Answer
- 64 Kbps.
- 1. Which of the following network access standard is used for connecting stations to a packet-switched network?
Options- A. X.3
- B. X.21
- C. X.25
- D. X.75
- E. None of the above Discuss
- 2. Interconnected networks need communication processors such as switches, routers, hubs, and gateways. Select the best fit for answer:
Options- A. TCP/IP
- B. Protocol
- C. Open Systems
- D. Internetwork processor Discuss
- 3. Which of the following device copies electrical signals from one Ethernet to another?
Options- A. bridge
- B. repeater
- C. hub
- D. passive hub
- E. None of the above Discuss
- 4. When UPC is used, the price of the item is located
Options- A. on the item
- B. on the item and on the shelf
- C. in computer storage
- D. on the shelf and in computer storage
- E. None of the above Discuss
- 5. A network that requires human intervention of route signals is called a
Options- A. bus network
- B. ring network
- C. star network
- D. T-switched network
- E. None of the above Discuss
- 6. If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?
Options- A. Park
- B. Bridge
- C. Interface
- D. Link
- E. None of the above Discuss
- 7. The data communication support should include, but is not restricted to
Options- A. file transfer and transaction processing
- B. file and database access
- C. terminal support, electronic mail and voice grams.
- D. All of the above Discuss
- 8. What is the default subnet mask for a class A network?
Options- A. 127.0.0.1
- B. 255.0.0.0
- C. 255.255.255.0.0
- D. 255.255.255.0
- E. None of the above Discuss
- 9. If you configure the TCP/IP address and other TCP/IP parameters manually, you can always verify the configuration through which of the following? Select the best answer.
Options- A. Network Properties dialog box
- B. Server Services dialog box
- C. DHCPINFO command-line utility
- D. Advanced Properties tab of TCP/ IP Info.
- E. None of the above Discuss
- 10. Which of the following statements is incorrect?
Options- A. Multiplexers are designed to accept data from several I/O devices and transmit a unified stream of data on one communication line.
- B. HDLC is a standard synchronous communication protocol.
- C. RTS/CTS is the way the DTE indicates that it is ready to transmit data and the way the DCE indicates that it is ready to accept data.
- D. RTS/CTS is the way the terminal indicates ringing
- E. None of the above Discuss
Networking problems
Search Results
Correct Answer: X.25
Correct Answer: Internetwork processor
Correct Answer: repeater
Correct Answer: on the shelf and in computer storage
Correct Answer: T-switched network
Correct Answer: Bridge
Correct Answer: All of the above
Correct Answer: 255.0.0.0
Correct Answer: Network Properties dialog box
Correct Answer: RTS/CTS is the way the terminal indicates ringing
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