Midterm Examination 1.3 (Computer Network)

What is the primary focus of network security?

• Protecting networks, devices, and data from unauthorized access

• Enhancing network speed and performance

• Creating new digital infrastructures

• Developing social media platforms

Which of the following is NOT considered a threat to network security?

• Malware

• Unauthorized access

• Data encryption

• DDoS attacks

What is the foundation of network security?

• Security Architecture

• Data Encryption

• Access Control

• Firewalls

Which protocol is commonly used for secure web browsing?

• SSL/TLS

• DNSSEC

• SSH

• IPsec

What does encryption provide for data in transit and at rest?

• Authorization and Accountability

• Availability and Authentication

• Defense in Depth and Separation of Duties

• Confidentiality and Integrity

Which method verifies the identity of users or devices accessing the network?

• Passwords

• Multi-factor authentication (MFA)

• Biometrics

• Tokens

What is the purpose of security monitoring in network security?

• To prevent data encryption

• To increase network speed

• To enhance user experience

• To detect anomalies and potential security breaches

Which principle ensures that actions within the network are traceable?

• Confidentiality

• Integrity

• Accountability

• Availability

What does the principle of least privilege advocate for?

• Sharing passwords among all users

• Implementing complex security mechanisms

• Providing unlimited access to all users

• Granting users only the minimum level of access necessary

What is the purpose of defense in depth in network security?

• Implementing multiple layers of security mechanisms

• Removing all security controls

• Increasing network vulnerabilities

• Reducing security awareness