Recent questions tagged network-security

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Which of the following statements is/are TRUE about encryptions techniques?In symmetric key cryptography, the secrecy/protection of the key generating function must be of...
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Match List I with List II$\begin{array}{|ll|ll|} \hline & \textbf{List I} & & \textbf{List II} \\ \hline \text{A.} & \text{Digital Signature} & \text{I.} & \text{Asymmetr...
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With reference to cyber attacks, which of the following statements are correct?Malware is a malicious software designed to cause damage to a single computer, server or co...
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The primary function of firewall in network security isTo monitor network traffic and detect anomalies.To create virtual private networks for secure communication.To filt...
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Which of the following is an independent malicious program that propagates itself across a network by exploiting security flaws in widely-used services?Computer WormCompu...
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Has functions are used to produce the message digests which are then encrypted with a private key to get:Public keyDigital signatureCipher textData Encryption Standard
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Match $\textbf{List - I}$ with $\textbf{List - II}$:$$\begin{array}{|l|l|l|l|}\hline & \textbf{List - I} & & \textbf{List - II} \\\hline(A) & \text{Monoalphabetic Cipher}...
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Which of the following statements $\text{A-E}$ about firewalls in computer networks are true?Firewalls are only available as hardware devices and only examine traffic ent...
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Which type of cryptography uses the same key for both encryption and decryption?Digital signaturesAsymmetric key cryptographyHash functionsSymmetric key cryptography
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What is the advantage of setting up a DMZ (Demilitarised Zone) using firewall ?(1) To create multiple zones of trust(2) Load balancing on the server(3) Improve network pe...
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CAPTCHA is used to provide protection fromZero day attackBuffer overflowAutomated scripted attackMan in the middle attack 
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Match $\text{List I}$ with $\text{List II}$$\text{List I (Internet Term)}$$\text{List II (Description)}$$\text{A}$. Spyware$\text{List I}$. Malicious software installed ...
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You work for a company $X$ in Bangalore. Due to floods, you have been allowed to work from home. You have your code in the server in the company and you have to access it...
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Fill in the table below to create firewall rules that perform the actions described below on a local network with address $1.2.3.0$ (subnet $255.255.255.0).$ Assume that ...
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If a password hacker devised a system trying a password entry system by a program which ran once a second. How much time it would take to crack a password consisting of 4...
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Consider a Diffie-Hellman scheme with a common prime q=11 and a primitive root a=2. If user A as public key YA=9 what is as private key XA? If user B has public key YB= 3...
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Match List I with List II:List IList II(A) DES(I) Key size - $256$(B) AES(II) Key size - $1024$(C) $3$ DES(III) Key size - $56$(D) RSA(IV) Key size -$168$ $(\text{A})-(\t...
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Is Ipv6 & network security is in gate 2023?
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The $\text{DoS}$ attack, in which the attacker establishes a large number of half-open or fully open $\text{TCP}$ connections at the target host is ________.Vulnerability...
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What is $\text{WPA} ?$wi-fi protected access wired protected accesswired process accesswi-fi process access
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The DoS attack, in which the attacker establishes a large number of half-open or fully open TCP connections at the target host is: Vulnerability attackBandwidth flooding...
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Consider the following statements with respect to network security:Message confidentiality means that the sender and the receiver expect privacyMessage integrity means th...
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The national agency for responding to computer security incidents as and when they occur, is$\text{CAT}$$\text{CDAC}$$\text{CCA}$$\text{ICERT}$
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Data leakage threats are done by internal agents. Which of them is not an example of an internal data leakage threat?Data leak from stolen credentials from deskData leak ...
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____________ uses pretty good privacy algorithm.Electronic mailsFile encryptionBoth Electronic mails and File encryptionNone of the options
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Using ‘RSA’ public key cryptosystem, if $p=3$, $q=11$ and $d=7$, find the value of $e$ and encrypt the number $’19’$$20, 19$$33,11$$3, 28$$77, 28$
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Which among the following statement(s) is(are) true?A hash function takes a message of arbitrary length and generates a fixed length codeA hash function takes a message o...