CYBER SECURITY MCQS

Which component of the CIA triad ensures that data is not altered without authorization?

• Confidentiality
• Integrity
• Availability
• Authenticity

Which of the following best describes phishing?

• A network protocol
• Physical theft of a device
• Deceptive attempt to obtain sensitive info
• Hardware failure

Which is NOT a type of malware?

• Trojan
• Worm
• Firewall
• Ransomware

In symmetric encryption the same key is used for:

• Hashing and signing
• Encryption and decryption
• Decryption and compression
• Signing and verification

A firewall primarily protects a network by:

• Detecting viruses on endpoints
• Blocking unauthorized traffic
• Increasing bandwidth
• Encrypting files

PKI is built around the use of:

• Symmetric keys only
• Physical tokens
• Digital certificates and asymmetric keys
• One-time passwords

The primary purpose of a VPN is to:

• Speed up internet connection
• Provide secure tunnel over public networks
• Replace antivirus software
• Increase RAM

Two-factor authentication (2FA) requires at least:

• Two passwords
• Password plus second factor like OTP
• Two hardware tokens
• Two email addresses

SQL injection targets vulnerabilities in:

• Operating systems
• Web applications’ database layer
• Hardware drivers
• Network cables

A DDoS attack aims to:

• Steal passwords
• Make a service unavailable by overwhelming traffic
• Encrypt data
• Delete files