Securing PC

Securing Personal Computer (PC)

Personal Computer security is the process of preventing and detecting unauthorized use of personal computer. Prevention measures help user to stop unauthorized users (hackers) from accessing any part of their computer system. Detection helps user to determine whether or not someone attempted to break security into their system.

PC security is considered to be more important for the following reasons:

To prevent data theft.
To prevent theft or destruction to hardware.
To prevent any software or service getting disrupted.

Personal Computer(PC) can be kept secure by implementing following processes:

Keep up with system and software security updates.
Install antivirus and anti spyware software.
Back up your system.
Enable a firewall.
Use a standard user account.
Keep your User Account Control enabled.
Using Password to protect your software and lock your device.
Secure your web browser before going online.
Use an encryption software tool for your hard drive.
Be careful online and don’t click on suspicious links.

Qus. 1 : It is a program or hardware device that filters the information coming through an internet connection to a network or computer system.

Anti virus
Cookies
Firewall
Cyber safety

Qus. 2 : It allow a visited website to store its own information about a user on the users computer.

Spam
Cookies
Malware
Adware

Qus. 3 : Which of the following HTTP method is considered insecure ?

POST
DELETE
TRACE
GET

Qus. 4 : Which protection method is used to monitoring who can access the data for what purpose?

System access control
System design
Data access control
None of above

Qus. 5 : Software programs that close potential security breaches in an operating system are known as

Security patches
Refresh patches
Security breath fixes
All of the above

Qus. 6 : What kind of downloads from the internet may carry viruses?

Picture
File
Video
All the above

Qus. 7 : Software piece of code that replicates to cause a damage in computer system

Virus
Bacteria
Tram
Spam

Qus. 8 : What is the main purpose of a firewall in network security?

To store data
To prevent unauthorized access
To accelerate internet speed
To diagnose network issues

Qus. 9 : What is phishing in terms of cybersecurity?

An online scam to steal personal information
A method to speed up internet browsing
A technique for improving network security
A way to encrypt data

Qus. 10 : In networking, what does VPN stand for?

Virtual Personal Network
Virtual Private Network
Variable Public Network
Virtual Protocol Network

Qus. 11 : Match the types of computer viruses with their behaviors. <table class="table table-bordered"><tbody><tr><td>Virus Type</td><td>Behavior</td></tr><tr><td>1 Worm</td><td>A Infects and replicates itself in system boot files</td></tr><tr><td>2 Trojan Horse</td><td>B Appears as legitimate software but contains malicious code</td></tr><tr><td>3 Boot Sector Virus</td><td>C Spreads by copying itself across networks without user intervention</td></tr><tr><td>4 Spyware</td><td>D Secretly collects user data and sends it to attackers</td></tr><tr><td> </td><td>E Encrypts files and demands ransom for decryption</td></tr><tr><td> </td><td>F Deletes or modifies files randomly on the system</td></tr></tbody></table>

1 → C, 2 → B, 3 → A, 4 → D
1 → D, 2 → A, 3 → B, 4 → C
1 → E, 2 → B, 3 → A, 4 → F
1 → C, 2 → A, 3 → D, 4 → B

O Level Online Exam

Securing Personal Computer (PC)

Programs