Railway Science (Computer – Computer Threats)

Total Questions: 4

1. Trojan Horse is a form of : [RRB NTPC CBT - I (23/01/2021) Morning]

Correct Answer: (a) Virus attack
Solution:

Trojan Horse - When a computer virus attaches itself to another computer program. Some examples of viruses:- CryptoLocker, Code Red, ILOVEYOU, Shlayer.

2. A programme or piece of code that is loaded onto a person’s computer without his/her knowledge and runs against his/her wishes is a type of malware called : [RRB NTPC CBT - I (07/03/2021) Morning]

Correct Answer: (a) Virus
Solution:

Virus (Vital Information Resources Under Siege)- Trojan horse, spyware and zeus are the names of computer viruses.

3. Which of the following Computer viruses damages the formatting of a document and does NOT allow it to edit? [RRB NTPC CBT - I (03/03/2021) Evening]

Correct Answer: (b) Macro virus
Solution:

Worms are malware that self-replicate & propagate independently once in the system. Boot sector viruses infect the boot sector or the partition table of a disk.

4. An attempt to obtain sensitive information such as username, password and credit card details, etc. for malicious reasons is termed as: [RRB NTPC CBT - I (01/04/2021) Morning]

Correct Answer: (a) Phishing
Solution:

A fake email from a bank asking you to click a link and verify your account details is an example of phishing. Surfing is looking for information on the Internet with no apparent goal.