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Computer And Network Security
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Computer And Network Security
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25 Questions

1. Which one of the following is a key function of firewall?
2. Hackers
3. The main reason to encrypt a file is to
4. There are several primary categories of procedures. Which of the following is not a primary category of procedures?
5. A ____ is a small program embeded inside of a GIF image.
6. A program designed to destroy data on your computer which can travel to -œinfect- other computers is called a __________.
7. Passwords enables user to
8. __________ are often delivered to a PC through an email attachment and are often designed to do harm.
9. ____ is a form of virus explicitly designed to hide itself from detection by anti-virus software.
10. Hackers often gain entry to a network be pretending to be at a legitimate computer
11. Some viruses have delayed payload - which is sometimes called a
12. It is a self-replicating program that infects computer and spreads by inserting copies of itself into other executable code or documents.
13. A time bomb occurs during a particular
14. First boot sector virus is
15. ________ -˜are attempts by individuals to obtain confidential information from you by falsifying their identity. [IBPS PO - 2011]
16. A hacker contacts your phone or E-mails and attempts to acquire your password is called
17. Like a virus - it is a self-replicating program. It also propagates through computer network.
18. __________ are attempts by individuals to obtain confidential information from you by falsifying their identity.
19. Why is it unethical to share copyrighted files with your friends? [IBPS PO - 2011]
20. A person who uses his or her expertise to gain access to other people-™s computers to get information illegally or do damage is a _______.
21. A program designed to destroy data on your compute which can travel to infect other computers - is called is
22. You can protect sensitive data from prying eyes using ______ [IBPS Clerk - 2012]
23. A _____ is anything that can cause harm.
24. The phrase ____ describes viruses - worms - trojan horse attack applets and attack scripts.
25. Which one of the following is a cryptographic protocol used to secure http connection ?

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