Computer Security All Exercise ( Class 10)

 Computer Security All Exercise ( Class 10)

 

Exercise Questions

All Question Answer Here

1. Answer the following questions

a) What is computer Security?

=) Computer Security is the protection of computer systems and information from harm,theft and unauthorized use.

b) Define Hardware Security.

=) Hardware Security is the vulnerability protection that comes in the form of physical device rather than software that's installed on the hardware of a computer system.

c) What is data and information security?

=) Data security is the protection of unauthorized access,use, disruption, modification or destruction of data in storage.

d) List some points about how we can protect our data.

=) Some points how can protect our data are given,

• Apply software updates

• protect by password

• lock our apps

• Encrypt Our data

e) What is backup? Why is backup vital to computer Security system?

=) Backup is the process of creating a copy of data on your system that you use for recovery in case your original data is lost.

Backup protect against human error hardware failure virus attack power failure and natural disasters.

f) Write down any six possible threats to computer Security.

=) Any six possible threats to computer Security are given,

• Phishing

• Botnet

• Rootkit

• Keylogger

• hacker

g) What is the password? Why is password in a computer?

=) A password is a memorized secret used to confirm the identify of a user.

Because the More protected your computer will be from hackers and malicious software.

h) Define Encryption and Decryption.

=) Encryption is the technology to encode file or message that is being stored or transferred online in intelligible content which cannot be used by an unauthorized person.

The conversion of encryption data into its original from Is decryption.

i) What are the security threats? Explain any two in brief.

=) Security which can risk program data and information at the local computers and on the clouds.

Explain 

• Phishing :- Phishing is the fake attempt to obtain sensitive information such as username password and credit card details by disguising one self as a truth worth entity in an electronic communication.

• Hacker :- A computer Hacker is any skilled computer expert who use his/her technical knowledge to overcome a problem.

j) What are malicious Codes?

=) Malicious Code is the kind of harmful computer code or web script designed to create system vulnerabilities leading to Back doors security breaches information.

K) Define antivirus software with four examples.

=) Antivirus Software is a type of program designed to detect and remove viruses from computer system

Examples

• AVG

• Kaspersky

• Norton Antivirus

• Bit defender

L) Define Firewall without a examples.

=) A Firewall is the network security system that monitors and control the traffic flow between the internet and private network.

M) What is biometric verification?

=) Biometric verification is uniquely identified by evaluating one or more distinguishing biological traits.

N. Wirte down any four preventive measures of computer hardware Security.

=) 

• Enable a Firewall

• Have your wits about you

• keep up with system and software security update

• password protect your software and lock your device.

O. Point out any four computer software security measures.

=) 

• Password

• antivirus

• scandisk

• defragmentation

Full form