UGC-NET | UGC NET CS 2016 July – II | Question 46

An attacker sits between customer and Banker, and captures the information from thecustomer and retransmits to the banker by altering the information. This attack is called as ______.
(A) Masquerade Attack
(B) Replay Attack
(C) Passive Attack
(D) Denial of Service Attack

Answer: (B)
Explanation:

• An attacker sits between customer and Banker, and captures the information from thecustomer and retransmits to the banker by altering the information. This attack is called as Replay attack.
• Passive Attack are in the nature of monitoring, or eavesdropping of transmissions of many types. In this attack, attacker try to gain information or the information that is being transmitted in the message.
• Masquerade Attackis a type network attack where the attacker pretends to be an authorized user of a system in order to gain access.
• Denial of Service Attack(DoS) is atype of network attack in which attacker shut down a machine or network, making it inaccessible to its intended users.

So, option (B) is correct.
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