The concept in which a network security device or software that monitors and filters incoming and outgoing traffic based on rules is best known as which of these terms?
Difficulty: Easy
About this MCQ
This Easy Computer Networks question asks: The concept in which a network security device or software that monitors and filters incoming and outgoing traffic based on rules is best known as which of these terms? The correct choice is B. Firewall. 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. Router
Why not A: “Router” does not fit this question. The answer is Firewall.
- B. Firewall ✓
- C. VPN
Why not C: “VPN” does not fit this question. The answer is Firewall.
- D. IP address
Why not D: “IP address” does not fit this question. The answer is Firewall.
Correct answer
B. Firewall
Explanation
Firewall (option B) is the accepted answer to “The concept in which a network security device or software that monitors and filters incoming and outgoing traffic based on rules is best known as which of these terms”. Option A (Router) does not fit this question. Option C (VPN) does not fit this question. Option D (IP address) does not fit this question. For this Computer Networks question, the accepted answer is Firewall.
Source: Computer Networks Official Reference Guide
Tags: computer science, computer networks, networking, protocols
Submitted by: MCQsHub Editorial
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