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Data Transmission Network - Multiple Choice Questions and Answers | Page-10

Questions
46 A signal with a power of 10 mw is transmitted through a co-axial cable. Signal level measured at the other end of the cable is 5 mw. What is the loss of the signal strength ?
A -3 dB
B 3 dB
C 2 dB
D -2 dB

Answer: Option [C]
47 The size of ATM cell in octets is
A 48
B 5
C 64
D 53

Answer: Option [D]
48 The range of first octet of class B IP address is
A 0 to 127
B 128 to 191
C 192 to 223
D 224 to 239

Answer: Option [B]
49 Sending an e-mail requires
A Connection-oriented approach with timing relationship between sender and receiver
B Connection-less approach with timing relationship between sender and receiver
C Connection-oriented approach with no timing relationship between sender and receiver
D Connection-less approach with no timing relationship between sender and receiver

Answer: Option [C]
50 An application generates a traffic stream that requires ATM cells to be transmitted at almost uniform time spacing and expects that the receiver will receive the stream with a small delay jitter. This application requires
A CBR
B GBR
C UBR
D ABR

Answer: Option [A]

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