Question

______is an unauthorized program which functions from inside what seems to be an authorized program, thereby concealing what it is actually doing.
1. War dialer
2. E-mail
3. Trojan
4. Spam trap

Answer 1

Correct Answer - Option 3 : Trojan

The correct answer is Trojan.

• A Trojan
  • It is the program is aptly called an unauthorized program that functions from inside what seems to be an authorized program, thereby concealing what it is actually doing. Hence, Option 3 is correct.
  • This involves flooding a computer resource with more requests than it can handle
  • They create a backdoor on the computer that gives access to the system
  • They cannot replicate or reproduce.

• Wardialing	It is a technique to automatically scan a list of telephone numbers, usually dialing every number in a local area code to search for modems, computers, bulletin board systems, and fax machines.
  E-mail	Short for electronic mail, e-mail or email is information stored on a computer that is exchanged between two users over telecommunications.
  Spam traps	Spam traps are email addresses used by Internet Service Providers (ISPs) and blocklist operators to identify senders who aren't following email best practices. These spam trap email addresses may have been legitimate at one time, but are now abandoned or invalid.