Computer Networks MCQs

1018 MCQs  (Page 93 of 102)

Attempt Computer Networks Quiz
State whether true or false. i) A connection oriented protocol can only use unicast addresses. ii) The any cast service is included in IPV6.
A. True, true
B. True, false
C. False, true
D. False, false
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__________ is a high performance fiber optic token ring LAN running at 100 Mbps over distances upto 1000 stations connected.
A. Fddi
B. Fddt
C. Fddr
D. Fotr
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_________ is a collective term for a number of Ethernet Standards that carry traffic at the nominal rate of 1000 Mbit/s against the original Ethernet speed of 10 Mbit/s.
A. Ethernet
B. Fast ethernet
C. Gigabit ethernet
D. Gigabyte ethernet
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_________ is another kind of fiber optic network with an active star for switching.
A. S/net
B. Sw/net
C. Net/sw
D. Fs/net
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In cryptography, what is cipher?
A. Algorithm for performing encryption and decryption
B. Encrypted message
C. Both algorithm for performing encryption and decryption and encrypted message
D. Decrypted message
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In asymmetric key cryptography, the private key is kept by __________
A. Sender
B. Receiver
C. Sender and receiver
D. All the connected devices to the network
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Which one of the following algorithm is not used in asymmetric-key cryptography?
A. Rsa algorithm
B. Diffie-hellman algorithm
C. Electronic code book algorithm
D. Dsa algorithm
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In cryptography, the order of the letters in a message is rearranged by __________
A. Transpositional ciphers
B. Substitution ciphers
C. Both transpositional ciphers and substitution ciphers
D. Quadratic ciphers
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What is data encryption standard (DES)?
A. Block cipher
B. Stream cipher
C. Bit cipher
D. Byte cipher
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Cryptanalysis is used __________
A. To find some insecurity in a cryptographic scheme
B. To increase the speed
C. To encrypt the data
D. To make new ciphers
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Word of the Day
13 Jul
Debunk
expose the falseness or hollowness of (an idea or belief).
بے نقاب کرنا، پول کھولنا

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