Discussion
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- Question
What are the data transmission channels available for carrying data from one location to another?
Options- A. Narrowband
- B. Voiceband
- C. Broadband
- D. All of the above
- E. None of the above
- Correct Answer
- All of the above
- 1. The communication mode that supports two-way traffic but only one direction at a time is
Options- A. simplex
- B. duplex
- C. half duplex
- D. multiplex
- E. None of the above Discuss
- 2. Intranets and extranets can use their network fire walls and other security features to establish secure Internet links within an enterprise or with its trading partners. Select the best fit for answer:
Options- A. Network Server
- B. Virtual Private Network
- C. Network operating system
- D. OSI Discuss
- 3. Internet-like networks between a company and its business partners. Select the best fit for answer:
Options- A. Bandwidth alternatives
- B. Switching alternating
- C. Inter organizational networks
- D. Extranets Discuss
- 4. What frequency range is used for FM radio transmission?
Options- A. Very Low Frequency : 3 kHz to 30. kHz
- B. Low Frequency : 30 kHz to 300 kHz
- C. High Frequency : 3 MHz to 30 MHz
- D. Very High Frequency : 30 MHz to 300 MHz
- E. None of the above Discuss
- 5. Devices interconnected by the LAN should include
Options- A. Computers and terminals
- B. mass storage device, printers and plotters
- C. bridges and gateways
- D. All of the above
- E. None of the above Discuss
- 6. HMP (Host Monitoring Protocol) is:
Options- A. a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
- B. a TCP/IP high level protocol for transferring files from one machine to another.
- C. a protocol used to monitor computers
- D. a protocol that handles error and control messages
- E. None of the above Discuss
- 7. An anticipated result from multiprogramming operations is:
Options- A. reduced computer idle time
- B. the handling of more jobs
- C. better scheduling of work
- D. All of the above
- E. None of the above Discuss
- 8. Which of the following statement is incorrect?
Options- A. The Addresses Resolution Protocol, ARP, allows a host to find the physical address of a target host on the same physical network, given only the target IP address.
- B. The sender's IP - to- physical address binding is included in every ARP broadcast; receivers update the IP-to-Physical address binding information in their cache before processing an ARP packet.
- C. ARP is a low-level protocol that hides the underlying network physical addressing, permitting us to assign IP-addresses of our choice to every machine.
- D. All of the above
- E. None of the above Discuss
- 9. On a class B network, how many hosts are available at each site with a subnet mask of 248?
Options- A. 16,382
- B. 8,190
- C. 4,094
- D. 2,046
- E. 1,022 Discuss
- 10. Demodulation is the process of
Options- A. converting digital signals to analog signals
- B. converting analog signals to digital signals
- C. combining many low speed channels into one high speed channel
- D. dividing the high-speed signals into frequency bands
- E. None of the above Discuss
Networking problems
Search Results
Correct Answer: half duplex
Correct Answer: Virtual Private Network
Correct Answer: Extranets
Correct Answer: Very High Frequency : 30 MHz to 300 MHz
Correct Answer: All of the above
Correct Answer: a protocol used to monitor computers
Correct Answer: All of the above
Correct Answer: All of the above
Correct Answer: 2,046
Correct Answer: converting analog signals to digital signals
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