Computer Knowledge · General Awareness
Information Security
4,143 Questions
Information security involves protecting computer systems and data from unauthorized access, cyber threats, and damage. It is a core part of the computer knowledge section in various banking and government exams. Practicing these concepts helps in understanding digital signatures, network security, and access control effectively.
Cybersecurity threatsAccess controlCryptography basicsSecurity risk managementDatabase protection
Information Security Questions
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configuration
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accessibility
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authentication
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logging in
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none of these
C
Correct answer
Explanation
Authentication is the security process of verifying a user's identity before granting system access, typically through credentials like usernames and passwords. It's a critical first step in security, distinct from authorization which determines what an authenticated user can do.
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unauthorised attacks
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virus attacks
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data driven attacks
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fire attacks
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all of these
A
Correct answer
Explanation
Firewalls are network security devices that monitor and control incoming and outgoing network traffic based on predetermined security rules. Their primary function is to protect against unauthorized access attempts and malicious network intrusions, not specifically viruses or data-driven attacks.
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Antivirus
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Password encryption only
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Firewalls
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None of the above
C
Correct answer
Explanation
Firewall ensures client server security.
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firewall
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password protection
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body protection
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biometric system
D
Correct answer
Explanation
The body scan for security comes within the category of biometric system.
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Physical security holes
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Software security holes
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Inconsistent usage holes
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Biometric systems
D
Correct answer
Explanation
Biometric systems is a client server protection method not a problem.
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Message overloading
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Packets replay
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Service overloading
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Wireless connections
D
Correct answer
Explanation
Wireless connections are not a threat to a server. It is just a way to connect client to server.
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Antivirus
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Wall
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Firewall
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Password
C
Correct answer
Explanation
Firewall protects the internal network of organization from the outside world.
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Confidentiality
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Data security
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Integrity
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Sender authenticity
B
Correct answer
Explanation
Data security is not the feature of message security.
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Packet filtering
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Blocking traffic
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Restrict websites
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Intrusion detection
D
Correct answer
Explanation
Intrusion detection cannot be done by the firewall, i.e., if internal employee will do the cheating then it cannot be handled by the firewall.
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public and private keys
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public and shared keys
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internal and external keys
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open and closed keys
A
Correct answer
Explanation
Public key cryptography uses two keys: public key and private key. Information is encrypted by private key and decrypted by public key.
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virus
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firewall
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secret key cryptosystem
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public key cryptosystem
D
Correct answer
Explanation
RSA is a public key cryptosystem for both encryption and authentication.
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By cryptography
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By addressing
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By layering
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By grade of service
A
Correct answer
Explanation
Cryptography is a science of securing information in the network. It converts information into some other format which would not be understood by an unauthorized person.
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Hamming development
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Check bits
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Parity checking
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SEC-DED code
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Attenuation
C
Correct answer
Explanation
It is a simple error detection method used with character oriented protocols.
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ARP poisoning
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MAC spoofing
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Rogue access point
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Session hijacking
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Sniffers
C
Correct answer
Explanation
Evil twin attack involves a rogue Ap to steal information.
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Binds trojans to legitimate files for exploitation later
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Provides secure, encrypted tunneling between hosts
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Provides proxy services to obfuscate source IP
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Provides services to zombie systems
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It cam import code easily between different operating systems.
A
Correct answer
Explanation
Elite wrap binds trojans to legitimate files for exploitation later