ICND1 WAN Technologies & Network Security — Questions and Answers
Question 1: What is the primary function of a VPN?
- To improve network speed.
- To provide secure remote access to a private network (Correct answer)
- To share files over the internet.
- To assign IP addresses dynamically.
Correct answer: To provide secure remote access to a private network
The primary function of a VPN (Virtual Private Network) is to create a secure, encrypted connection over a public network, such as the internet. This allows remote users to access a private network as if they were directly connected, ensuring data confidentiality and integrity. VPNs are crucial for secure remote work and protecting sensitive information from interception.
Question 2: What is the role of a firewall in network security?
- To connect different networks together.
- To filter and control incoming and outgoing network traffic (Correct answer)
- To manage IP addresses.
- To improve network speed.
Correct answer: To filter and control incoming and outgoing network traffic
A firewall acts as a security barrier, monitoring and controlling network traffic based on predefined security rules. Its primary role is to protect a private network from unauthorized access and malicious attacks by filtering out suspicious or unwanted data packets. This helps prevent malware, hacking attempts, and other cyber threats from compromising network security.
What is the primary function of a VPN?