Networking – Section 5

46. The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as

A. 148.20.2.30
B. 164.100.9.61
C. 210.20.2.64
D. 128.10.2.30
E. None of the above

Correct Answer: D. 128.10.2.30

47. Which of the following items is not used in Local Area Networks (LANs)?

A. Computer
B. Modem
C. Printer
D. Cable
E. None of the above

Correct Answer: B. Modem

48. Error detection at a data link level is achieved by

A. bit stuffing
B. cyclic redundancy codes
C. Hamming codes
D. equalization
E. None of the above

Correct Answer: B. cyclic redundancy codes

49. RS-232-G

A. is an interface between two data circuit terminating equipment as examplified by a local and remote modem
B. is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
C. specifies only the mechanical characteristics of an interface by providing a 25-pin connector
D. requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
E. None of the above

Correct Answer: B. is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment

50. A subdivision of main storage created by operational software is referred to as a:

A. compartment
B. time-shared program
C. divided core
D. partition
E. None of the above

Correct Answer: D. partition

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