Top 70 most asked Information and cyber security mcq are given below. These ICS mcqs are helpful for both online exams and interviews. Information security mcq questions & answers for university online exams which covers all the frequently asked multiple choice questions asked in previous exams.
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Cyber Security mcq questions and answers
Q. 1 _______ is the practice and precautions taken to protect valuable information from unauthorized access, recording, disclosure or destruction.
A : Network Security
B : Database Security
C : Information Security
D : Physical Security
Information Security
Q. 2 _______ platforms are used for safety and protection of information in the cloud.
A : Cloud workload protection platforms
B : Cloud security protocols
C : AWS
D : One Drive
Cloud workload protection platforms
Q. 3 Compromising confidential information comes under _________
A : Bug
B : Threat
C : Vulnerability
D : Attack
Threat
Q. 4 An attempt to harm, damage or cause threat to a system or network is broadly termed as ______
A : Cyber-crime
B : Cyber Attack
C : System hijacking
D : Digital crime
Cyber Attack
Q. 5 The CIA triad is often represented by which of the following?
A : Triangle
B : Diagonal
C : Ellipse
D : Circle
Triangle
Q. 6 Related to information security, confidentiality is the opposite of which of the following?
A : Closure
B : Disclosure
C : Disaster
D : Disposal
Disclosure
Q. 8 _______ means the protection of data from modification by unknown users.
A : Confidentiality
B : Integrity
C : Authentication
D : Non-repudiation
Integrity
Q. 9 _______ of information means, only authorized users are capable of accessing the information.
A : Confidentiality
B : Integrity
C : Non-repudiation
D : Availability
Availability
Q. 10 This helps in identifying the origin of information and authentic user. This referred to here as __________
A : Confidentiality
B : Integrity
C : Authenticity
D : Availability
Authenticity
Information and Cyber Security mcq with answers
Q. 11 Data ___________ is used to ensure confidentiality.
A : Encryption
B : Locking
C : Decryption
D : Backup
Encryption
Q. 12 What does OSI stand for in the OSI Security Architecure?
A : Open System Interface
B : Open Systems Interconnections
C : Open Source Initiative
D : Open Standard Interconnections
Open Systems Interconnections
Q. 13 A company requires its users to change passwords every month. This improves the ________ of the network.
A : Performance
B : Reliability
C : Security
D : None of the above
Security
Q. 14 Release of message contents and Traffic analysis are two types of _________ attacks.
A : Active Attack
B : Modification of Attack
C : Passive attack
D : DoS Attack
Passive attack
Q. 15 The ________ is encrypted text.
A : Cipher scricpt
B : Cipher text
C : Secret text
D : Secret script
Cipher text
Q. 17 Which of the following Algorithms not belong to symmetric encryption
A : 3DES (TripleDES)
B : RSA
C : RC5
D : IDEA
RSA
Q. 18 Which is the largest disadvantage of the symmetric Encryption?
A : More complex and therefore more time-consuming calculations.
B : Problem of the secure transmission of the Secret Key.
C : Less secure encryption function.
D : Isn’t used any more.
Problem of the secure transmission of the Secret Key.
Q. 19 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
algorithm for performing encryption and decryption
Q. 21 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
electronic code book algorithm
Q. 23 What is data encryption standard (DES)?
A : block cipher
B : stream cipher
C : bit cipher
D : byte cipher
block cipher
Q. 24 A asymmetric-key (or public key ) cipher uses
A : 1 key
B : 2 key
C : 3 key
D : 4 key
2 key
Q. 26 _________________ is the process or mechanism used for converting ordinary plain text into garbled non-human readable text & vice-versa.
A : Malware Analysis
B : Exploit writing
C : Reverse engineering
D : Cryptography
Cryptography
Q.27 ______________ is a means of storing & transmitting information in a specific format so that only those for whom it is planned can understand or process it.
A : Malware Analysis
B : Cryptography
C : Reverse engineering
D : Exploit writing
Cryptography
Q. 28 Cryptographic algorithms are based on mathematical algorithms where these algorithms use ___________ for a secure transformation of data.
A : secret key
B : external programs
C : add-ons
D : secondary key
secret key
Q. 29 Conventional cryptography is also known as _____________ or symmetric-key encryption.
A : secret-key
B : public key
C : protected key
D : primary key
secret-key
Q. 30 The procedure to add bits to the last block is termed as _________________
A : decryption
B : hashing
C : tuning
D : padding
padding
ICS mcq questions and answers
Q. 32 ECC encryption system is __________
A : symmetric key encryption algorithm
B : asymmetric key encryption algorithm
C : not an encryption algorithm
D : block cipher method
asymmetric key encryption algorithm
Q. 33 ________function creates a message digest out of a message.
A : encryption
B : decryption
C : hash
D : none of the above
hash
Q. 34 Extensions to the X.509 certificates were added in version ____
A : 1
B : 2
C : 3
D : 4
3
Q. 35 A digital signature needs ____ system
A : symmetric-key
B : asymmetric-key
C : either (a) or (b)
D : neither (a) nor (b)
asymmetric-key
Q. 36 Elliptic curve cryptography follows the associative property.
A : TRUE
B : FALSE
TRUE
Q. 37 ECC stands for
A : Elliptic curve cryptography
B : Enhanced curve cryptography
C : Elliptic cone cryptography
D : Eclipse curve cryptography
Elliptic curve cryptography
Q. 38 When a hash function is used to provide message authentication, the hash function value is referred to as
A : Message Field
B : Message Digest
C : Message Score
D : Message Leap
Message Leap
Q. 39 Message authentication code is also known as
A : key code
B : hash code
C : keyed hash function
D : message key hash function
hash code
Q. 40 The main difference in MACs and digital signatures is that, in digital signatures the hash value of the message is encrypted with a user’s public key.
A : TRUE
B : FALSE
FALSE
Q. 41 The DSS signature uses which hash algorithm?
A : MD5
B : SHA-2
C : SHA-1
D : Does not use hash algorithm
SHA-1
Q. 42 What is the size of the RSA signature hash after the MD5 and SHA-1 processing?
A : 42 bytes
B : 32 bytes
C : 36 bytes
D : 48 bytes
36 bytes
Q. 43 In the handshake protocol which is the message type first sent between client and server ?
A : server_hello
B : client_hello
C : hello_request
D : certificate_request
client_hello
Q. 44 One commonly used public-key cryptography method is the ______ algorithm.
A : RSS
B : RAS
C : RSA
D : RAA
RSA
Q. 45 The ________ method provides a one-time session key for two parties.
A : Diffie-Hellman
B : RSA
C : DES
D : AES
Diffie-Hellman
Q. 46 The _________ attack can endanger the security of the Diffie-Hellman method if two parties are not authenticated to each other.
A : man-in-the-middle
B : ciphertext attack
C : plaintext attack
D : none of the above
man-in-the-middle
Q. 48 VPN is abbreviated as __________
A : Visual Private Network
B : Virtual Protocol Network
C : Virtual Private Network
D : Virtual Protocol Networking
Virtual Private Network
Q. 49 __________ provides an isolated tunnel across a public network for sending and receiving data privately as if the computing devices were directly connected to the private network.
A : Visual Private Network
B : Virtual Protocol Network
C : Virtual Protocol Networking
D : Virtual Private Network
Virtual Private Network
Q. 50 Which of the statements are not true to classify VPN systems?
A : Protocols used for tunnelling the traffic
B : Whether VPNs are providing site-to-site or remote access connection
C : Securing the network from bots and malwares
D : Levels of security provided for sending and receiving data privately
Securing the network from bots and malwares
Q. 51 What types of protocols are used in VPNs?
A : Application level protocols
B : Tunnelling protocols
C : Network protocols
D : Mailing protocols
Application level protocols
Q. 52 VPNs uses encryption techniques to maintain security and privacy which communicating remotely via public network.
A : TRUE
B : False
TRUE
Q. 53 There are _________ types of VPNs.
A : 3
B : 2
C : 5
D : 4
2
Q. 54 _________ type of VPNs are used for home private and secure connectivity.
A : Remote access VPNs
B : Site-to-site VPNs
C : Peer-to-Peer VPNs
D : Router-to-router VPNs
Remote access VPNs
Q. 55 Which types of VPNs are used for corporate connectivity across companies residing in different geographical location?
A : Remote access VPNs
B : Site-to-site VPNs
C : Peer-to-Peer VPNs
D : Country-to-country VPNs
Site-to-site VPNs
Q. 56 Site-to-Site VPN architecture is also known as _________
A : Remote connection based VPNs
B : Peer-to-Peer VPNs
C : Extranet based VPN
D : Country-to-country VPNs
Extranet based VPN
Q. 57 There are ________ types of VPN protocols.
A : 3
B : 4
C : 5
D : 6
6
Q. 58 IPSec is designed to provide security at the _________
A : Transport layer
B : Network layer
C : Application layer
D : Session layer
Network layer
Q. 59 In tunnel mode, IPSec protects the ______
A : Entire IP packet
B : IP header
C : IP payload
D : IP trailer
Entire IP packet
Q. 60 Pretty good privacy (PGP) is used in ______
A : Browser security
B : Email security
C : FTP security
D : WiFi security
Email security
Q. 61 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 : Local data encryption algorithm
International data encryption algorithm
Q. 62 IKE creates SAs for _____.
A : SSL
B : PGP
C : IPSec
D : VP
IPSec
Q. 63 ______ provides either authentication or encryption, or both, for packets at the IP level.
A : AH
B : ESP
C : PGP
D : SSL
ESP
Q. 64 A _______network is used inside an organization.
A : private
B : public
C : semi-private
D : semi-public
private
Q. 65 SSL provides _________.
A : message integrity
B : confidentiality
C : compression
D : all of the above
all of the above
Q. 66 IKE uses _______
A : Oakley
B : SKEME
C : ISAKMP
D : all of the above
all of the above
Q. 67 In ______, there is a single path from the fully trusted authority to any certificate.
A : X509
B : PGP
C : KDC
D : none of the above
X509
Q. 68 A ______ provides privacy for LANs that must communicate through the global Internet.
A : VPP
B : VNP
C : VNN
D : VPN
VPN
Q. 69 _______ uses the idea of certificate trust levels.
A : X509
B : PGP
C : KDC
D : none of the above
PGP
Q. 70 ________ provides privacy, integrity, and authentication in e-mail.
A : IPSec
B : SSL
C : PGP
D : none of the above
PGP