Multiple Choice Questions for Data Communication and Networking
Selective Data Communication and Networking Questions and Answers:
Q.41 In OSI network architecture, the dialogue control, and token management are responsibilities of …...
(A) data link layer
(B) network layer
(C) transport layer
(D) session layer
Ans . D
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Q.42 Which of the following is not an example of data communication?
(A) A teletype printing news bulletins.
(B) A computer transmitting files to another computer
(C) An automatic teller machine checking account balance with the bank’s computer
(D) A salesman telephoning orders to the office
Ans . D
Q.43 The standard ASCII ….
(A) is version II of the ASC standard
(B) has 128 characters, including 32 control characters
(C) is a subset of the 8-bit EBCDIC code
(D) is used only in the United States and Canada
Ans . B
Q.44 Escape sequences
(A) use ESC character to indicate the start of a special control sequence
(B) are used to switch (escape) between ASCII and EBCDI codes
(C) are a popular daydream for inmates
(D) none of these
Ans . A
Q.45 Fibre-optic cables operate at frequencies near…….
(A) 20 MHz
(B) 200 MHz
(C) 2 GHz
(D) 800 THz
Ans . D
Q.46 HF ratio waves follow how many basic paths on leaving the transmitter?
(A) Tow
(B) Four
(C) One
(D) Many
Ans . A
Q.47 Digital cellular radio systems……
(A) expand the number of cells.
(B) allow multiple subscribers to share the use of cells.
(C) allow multiple subscribers to share the use of a common channel within a cell
(D) extend transmission distance of subscribers within a cell.
Ans . C
Q.48 Transmission of binary signals require……
(A) less bandwidth than analog
(B) more bandwidth than analog
(C) same bandwidth as analog
(D) a Licence from the FAA
Ans . B
Q.49 The standard first-level digital multiplex system in the United States operates at……
(A) 2.048 Mbps
(B) 44.736 Mbps
(C) 1.544 Mbps
(D) 9600 Mbps
Ans . C
Q.50 The use of Dataphone Digital Services.
(A) can be expected to increase
(B) provides a higher operating rate than FTI service.
(C) can be expected to be replaced by FTI service due to the lower cost of that service.
(D) provides a higher operating rate than T
Ans . C
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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