This section contains more frequently asked Computer Security MCQs in the various competitive exams.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. Which of the following techniques helps in cases of address forgery?
- SMTP extensions
- Cryptographic authentication
- Path authentication
- Hybrid authentication
C. Path authentication
2. Which of the following types of virus lives in the boot sector?
- Sector virus
- Parasitic virus
- boot sector virus
- Bootable virus
C. boot sector virus
3. Which of the following is the Symmetric Algorithm used in cryptography?
- MD4
- El Gamal
- IDEA
- RSA
B. El Gamal
4. Suppose you got a mail from someone saying that you have won a $1 billion and asking you to give him/her $4000 to claim your prize. Under which category does this type of spam mail lie?
- Phishing and Fraud
- Spoofing mails
- Hoaxes
- Chain mails
A. Phishing and Fraud
5. What is botnet?
- A software that runs automatically and autonomously.
- A software used for antispam
- A software used to manage MTA
- A software used to manage MDA
A. A software that runs automatically and autonomously.
6. Which of the following goals cannot be achieved with the help of Symmetric Cryptography?
- Nonrepudiation
- Confidentiality
- Integrity
- Availability.
D. Availability.
7. To which of the following components does the MUA(Mail User Agent) forward the mail while sending it to another host in the e-mail flow?
- Mail User Agent
- Firewall
- Router
- Mail Transfer Agent
D. Mail Transfer Agent
8. What is the maximum key length of AES?
- 56
- 156
- Variable
- 256
D. 256
9. Which of the following are disadvantages of the Symmetric Key Cryptography?
- Nonrepudiation
- Scalability
- Key distribution
- Security.
C. Key distribution
10. What are the Measures to be Adopt for Best Virus Protection?
- Use of Antivirus.
- Use of Firewall.
- Keeping Software updated.
- Download only trusted programs.
- Avoid pirated software.
- Be cautious about Phishing and Social Engineering.
- Be wise with Passwords.
- All Of the Above
F. All Of the Above
