Cryptography and Network Security Quiz

What is the primary goal of cybersecurity?

• To create complex algorithms

• To monitor network traffic

• To protect the cyberspace environment and users' assets

• To ensure data is always available

Which of the following is NOT one of the general security objectives in cybersecurity?

• Scalability

• Availability

• Integrity

• Confidentiality

What does information security primarily focus on?

• Preservation of confidentiality, integrity, and availability

• Development of new algorithms

• Network performance

• User training

What is a passive attack?

• An attempt to alter system resources

• An attempt to learn or make use of information without affecting resources

• A method to prevent unauthorized access

• A type of denial of service attack

Which of the following describes a masquerade attack?

• An attack where one entity pretends to be another

• An attack that prevents normal use of services

• An attack that captures data for later use

• An attack that modifies data in transit

What is the purpose of a digital signature?

• To provide access control

• To encrypt data

• To monitor network traffic

• To verify the origin and integrity of a data object

Which organization is responsible for developing technical standards in telecommunications?

• IETF

• ITU-T

• NIST

• ISO

What does the term 'availability' refer to in cybersecurity?

• The ability to monitor network traffic

• The assurance that data is confidential

• The ability to encrypt data

• The assurance that systems work promptly and service is not denied

What is the main function of a firewall?

• To limit access between a network and devices

• To provide user authentication

• To encrypt data

• To monitor user activity

Which of the following is a characteristic of active attacks?

• They involve modification of data streams

• They are always successful

• They do not affect system resources

• They are easier to detect than passive attacks