For a 10Mbps Ethernet link, if the length of the packet is 32bits, the transmission delay is (in milliseconds)
(a) 3.2
(b) 32
(c) 0.32
(d) None of the mentioned
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Computer Knowledge MCQs
Computer Knowledge MCQs
Which of the following delay is faced by the packet in travelling from one end system to another?
(a) Propagation delay
(b) Queuing delay
(c) Transmission delay
(d) All of the mentioned
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When a DNS server accepts and uses incorrect information from a host that has no authority giving that information, then it is called
(a) DNS lookup
(b) DNS hijacking
(c) DNS spoofing
(d) none of the mentioned
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PGP encrypts data by using a block cipher called
(a) international data encryption algorithm
(b) private data encryption algorithm
(c) internet data encryption algorithm
(d) none of the mentioned
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Pretty good privacy (PGP) is used in
(a) browser security
(b) email security
(c) FTP security
(d) none of the mentioned
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Extensible authentication protocol is authentication framework frequently used in
(a) wired personal area network
(b) wireless networks
(c) wired local area network
(d) none of the mentioned
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An attempt to make a computer resource unavailable to its intended users is called
(a) denial-of-service attack
(b) virus attack
(c) worms attack
(d) botnet process
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WPA2 is used for security in
(a) Ethernet
(b) Bluetooth
(c) Wi-Fi
(d) none of the mentioned
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Network layer firewall has two sub-categories as
(a) stateful firewall and stateless firewall
(b) bit oriented firewall and byte oriented firewall
(c) frame firewall and packet firewall
(d) none of the mentioned
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Network layer firewall works as a
(a) frame filter
(b) packet filter
(c) both (a) and (b)
(d) none of the mentioned
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