ISC2 CC Network Security

Question 1

What is the primary purpose of a firewall?

Accepted Answer

To control incoming and outgoing network traffic based on security rules

Answer

A firewall controls network traffic by allowing or blocking connections based on predefined security rules.

Question 2

What does a VPN (Virtual Private Network) primarily provide?

Accepted Answer

Encrypted tunnels for secure remote access over untrusted networks

Answer

A VPN creates an encrypted tunnel between a user and a network, providing secure remote access and protecting data in transit.

Question 3

What is a DMZ (Demilitarized Zone) in network security?

Accepted Answer

A segment that hosts public-facing servers while isolating them from the internal network

Answer

A DMZ is a network segment that hosts public-facing services (like web servers) while isolating them from the internal corporate network.

Question 4

What is network segmentation?

Accepted Answer

Dividing a network into smaller, isolated subnetworks to improve security

Answer

Network segmentation divides a network into smaller subnetworks to improve security, performance, and limit the spread of attacks.

Question 5

What is the purpose of an Intrusion Detection System (IDS)?

Accepted Answer

To monitor network traffic and generate alerts on suspicious activity

Answer

An IDS monitors network traffic and system activity, generating alerts when it detects patterns that may indicate an attack.

ISC2 CC - ISC2 Certified in Cybersecurity Practice Test