FREE CompTIA Network+ Network Security Questions and Answers
Which of the following is an example of network segmentation?
Network segmentation involves dividing a network into smaller segments to enhance security and manageability. VLANs are a common method for logical segmentation. Firewalls and encryption provide protection but are not segmentation techniques.
What is the purpose of a firewall in a network?
Firewalls enforce security policies by controlling access to and from a network based on predetermined rules. They help prevent unauthorized access and protect against threats.
Which type of attack involves sending a flood of packets to overwhelm a target's resources?
A DoS attack aims to overwhelm a system or network with excessive traffic, rendering it unavailable to legitimate users. Phishing, MITM, and SQL Injection are different types of cyberattacks.
What protocol is commonly used for secure remote access to network devices?
SSH (Secure Shell) provides encrypted remote access to network devices, ensuring secure communication. Telnet is unsecured, while FTP and HTTP serve different purposes (file transfer and web access).
What is the primary purpose of a VPN?
A VPN (Virtual Private Network) creates a secure tunnel for transmitting data over public or untrusted networks, protecting user privacy and sensitive information from potential threats.
