COMPUTER NETWORKING

NETWORK SECURITY

FIREWALLS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

You are monitoring network traffic on your network, and you see traffic between two network hosts on port 1720. What is the source of this network traffic?

A	A workstation is using the DNS protocol to send a name resolution request to a DNS server.
B	Someone is downloading files from a server using the FTP protocol.
C	Someone is using voice over IP (VoIP) to make a telephone call.
D	A man-in-the-middle attack is in progress.

Explanation:

Detailed explanation-1: -A firewall is a network security device that prevents unauthorized access to a network. It inspects incoming and outgoing traffic using a set of security rules to identify and block threats.

Detailed explanation-2: -A firewall is a security device-computer hardware or software-that can help protect your network by filtering traffic and blocking outsiders from gaining unauthorized access to the private data on your computer.

Detailed explanation-3: -A firewall is a type of security system that keeps track of and manages network traffic in accordance with a set of security guidelines. Typically, firewalls are placed between a trusted network and an untrusted network, which is frequently the Internet.

Detailed explanation-4: -A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization’s previously established security policies.

There is 1 question to complete.