Networking – Section 3

6. Bandlimited signal is

A. transmission of signals without modulation
B. a signal all of whose energy is contained within a finite frequency range
C. simultaneous transmission of data to a number of stations
D. All of the above
E. None of the above

Correct Answer: B. a signal all of whose energy is contained within a finite frequency range

7. Computers in a LAN can be interconnected by radio and infrared technologies.

A. Wireless LANs
B. Network Topologies
C. Multiplexer
D. Modem

Correct Answer: A. Wireless LANs

8. You have a network ID of 134.57.0.0 and you need to divide it into multiple subnets in which at least 600 host IDs for each subnet are available. You desire to have the largest amount of subnets available. Which subnet mask should you assign?

A. 255.255.224.0
B. 255.255.240.0
C. 255.255.248.0
D. 255.255.255.0
E. 255.255.255.255

Correct Answer: D. 255.255.255.0

9. How many digits of the Network User Address are known as the DNIC (Data Network Identification Code)?

A. first three
B. first four
C. first five
D. first seven
E. None of the above

Correct Answer: B. first four

10. Which of the following is the address of the router?

A. The IP address
B. The TCP address
C. The subnet mask
D. The default gateway
E. None of the above

Correct Answer: D. The default gateway

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