Identify the correct definition of Firewall.
Difficulty: Easy
About this MCQ
This Easy Computer Networks question asks: Identify the correct definition of Firewall. The correct choice is B. A network security device or software that monitors and filters incoming and outgoing traffic based on rules.. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
Computer Networks items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Computer Networks so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Computer Networks item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- A. A technique that maps multiple private IP addresses to a single public IP address.
Why not A: “A technique that maps multiple private IP addresses to a single public IP address.” does not fit this question. The answer is A network security device or software that monitors and filters incoming and outgoing traffic based on rules..
- B. A network security device or software that monitors and filters incoming and outgoing traffic based on rules. ✓
- C. A unique hardware identifier assigned to a network interface controller.
Why not C: “A unique hardware identifier assigned to a network interface controller.” does not fit this question. The answer is A network security device or software that monitors and filters incoming and outgoing traffic based on rules..
- D. A unique numerical label assigned to each device connected to a computer network.
Why not D: “A unique numerical label assigned to each device connected to a computer network.” does not fit this question. The answer is A network security device or software that monitors and filters incoming and outgoing traffic based on rules..
Correct answer
B. A network security device or software that monitors and filters incoming and outgoing traffic based on rules.
Explanation
A network security device or software that monitors and filters incoming and outgoing traffic based on rules option B is the accepted answer to Identify the correct definition of Firewall Option A A technique that maps multiple private IP addresses to a single public IP address does not fit this question Option C A unique hardware identifier assigned to a network interface controller does not fit this question Option D A unique numerical label assigned to each device connected to a computer network does not fit this question For this Computer Networks question the accepted answer is A network security device or software that monitors and filters incoming and outgoing.
Source: Computer Networks Official Reference Guide
Tags: computer science, computer networks, networking, protocols
Submitted by: MCQsHub Editorial
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