Decryption and encryption of data are responsibility of
Answer: C
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Data link layer retransmits the damaged frames in most networks. If probability of a frame's being damaged is p, then what is the mean number of transmissions required to send a frame if acknowledgements are never lost ?
Answer: B
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IBM's Token-Ring network uses
Answer: A
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A logic pulser is used to determine the level of floating in a circuit.
Answer: B
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To interface a computer terminal with a modem, required physical layer standard is
Answer: D
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Simple network management protocol (SNMP) is implemented with a daughter board in
Answer: C
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A NOR gate output is LOW if any of its inputs is LOW.
Answer: B
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The basic logic gate whose output is the complement of the input is the:
Answer: C
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Good troubleshooting is done by looking at the input signal and how it interacts with the circuits.
Answer: B
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In stop-and-wait ARQ, if data 1 has an error, then receiver sends which frame ?
Answer: D
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