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- Question
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
- Correct Answer
- Virtual Private Network
- 1. 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
- 2. 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
- 3. 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
- 4. What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?
Options- A. Memory resident package
- B. Project management package
- C. Data communication package
- D. Electronic mail package
- E. None of the above Discuss
- 5. Error rate is
Options- A. an error-detecting code based on a summation operation performed on the bits to be checked.
- B. a check bit appended to an array of binary digits to make the sum of all the binary digits.
- C. a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the errors is detected.
- D. the ratio of the number of data units in error to the total number of data units
- E. None of the above Discuss
- 6. 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
- 7. 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 Discuss
- 8. 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
- 9. 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
- 10. 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
Networking problems
Search Results
Correct Answer: Extranets
Correct Answer: Very High Frequency : 30 MHz to 300 MHz
Correct Answer: All of the above
Correct Answer: Data communication package
Correct Answer: the ratio of the number of data units in error to the total number of data units
Correct Answer: half duplex
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
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