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Learn POLICE SI MCQs with answers [Page 15 of Department 22]

B

Bijay Kumar • 5.24K Points
Tutor III

141) ______ is a technique that is used to send more than one call over a single line.

(A) Digital transmission
(B) Infrared transmission
(C) Digitizing
(D) Multiplexing
Correct Answer - Option (D)

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B

Bijay Kumar • 5.24K Points
Tutor III

142) The portion of server memory set aside to temporary hold data packets from workstations is called

(A) Dirty packet buffer
(B) Packet block
(C) Packet receive buffer
(D) Packet cache buffer
Correct Answer - Option (C)

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B

Bijay Kumar • 5.24K Points
Tutor III

143) What frequency range is used for FM radio transmission?

(A) Very high frequency : 30MHz to 300 MHz
(B) High frequency : 3 MHz to 30 MHz
(C) Low frequency : 30kHz to 300 kHz
(D) Very low frequency : 3kHz to 30 kHz
Correct Answer - Option (A)

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B

Bijay Kumar • 5.24K Points
Tutor III

144) Band limited signal is

(A) Simultaneous transmission of data to a number of stations
(B) Transmission of signals without modulation
(C) A signal all of whose energy is contained within a finite frequency range
(D) All of these
Correct Answer - Option (C)

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B

Bijay Kumar • 5.24K Points
Tutor III

145) ICMP (internet control message protocol) is a protocol

(A) used to monitor computers
(B) that handles error and control messages
(C) for transferring files from one machine to another
(D) used to dynamically bind a high level IP address to a low-level physical hardware address
Correct Answer - Option (B)

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B

Bijay Kumar • 5.24K Points
Tutor III

148) Officer LANs that are spread geographically apart on a large scale can be connected using a corporate

(A) LAN
(B) WAN
(C) MAN
(D) DAN
Correct Answer - Option (B)

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