Cybersecurity | MCQs

Explanation

A firewall is a security system that monitors and controls incoming and outgoing network traffic.

Its primary function is to prevent unauthorized access to or from a private network by filtering data based on security rules.

Explanation

A computer virus is:  deliberately created

A virus can remain dormant in our computer, without showing any sign or symptom.

Other Questions Related to "COMPUTER VIRUS"

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Computer Virus operates by:

Dormancy and Replication

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From where a computer can get a virus?

Email and in internet

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Which is the first computer virus in World?

Creeper

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First, ever computer virus was created from -------:

Pakistan

ND11-3-2023

Explanation

The correct phrase is "access to" something (meaning the ability to reach or use).

So, "no access to the relevant data" is the proper expression.

Explanation

Installing antivirus software is a preventive measure, not a type of cyber-crime.

Explanation

In 2018, Careem, a Middle Eastern ride-hailing company.

It suffered a data breach that exposed the personal data of approximately 14 million users, including names, email addresses, phone numbers, and passwords.

The breach occurred in January 2018.

But it was only disclosed in April 2018.

Explanation

Malware refers to harmful software like viruses, worms, or ransomware.

It is created to damage, disrupt, or gain unauthorized access to computer systems.

Explanation

Good passwords typically contain a combination of:

• Alphanumeric characters (letters and numbers)
• Special characters (such as !, @, #, $, etc.)
• Uppercase and lowercase letters
• Numbers

Explanation

Phishing is a type of cybercrime where an attacker sends a fake email or message that appears to be from a trustworthy source, aiming to trick the victim into revealing sensitive information such as:

• Bank account numbers
• Credit card details
• Online payment information
• Passwords

The goal of phishing is to deceive individuals into divulging confidential information, which can then be used for malicious purposes, such as identity theft or financial fraud.

Explanation

• Mortar, Cacrus, and Milosous are not real computer viruses.
• They are likely fictional or made-up names, and are not recognized or known viruses.

Explanation

Secure your computer physically by Installing reliable, reputable security and anti-virus software.