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<!DOCTYPE html>
<html lang="en">
<head>
<title>Week 3: Quiz 1</title>
<meta property="article:published_time" content="2026-09-01">
<meta name="class" content="Network Defense Essentials">
<script src="../assignment.js" defer></script>
</head>
<body>
<header></header>
<main>
<ol class="quiz-list">
<li>
<p>Which of the following layers in the OSI model cannot be protected by using traditional firewalls?</p>
<ul class="options">
<li>Application layer</li>
<li>Data link layer</li>
<li class="correct">Physical layer</li>
<li>Presentation layer</li>
</ul>
</li>
<li>
<p>Which of the following fire suppression systems is used to suppress a fire at the initial stage using a suppressant agent but it cannot be used in case of a fire covering a large area?</p>
<ul class="options">
<li>Standpipe system</li>
<li class="correct">Fire extinguisher</li>
<li>Sprinkler system</li>
<li>Pre-piped water system</li>
</ul>
</li>
<li>
<p>Which of the following physical security systems allows only one person inside and requests an identity; if the identity is invalid, the person is held inside until a security professional arrives?</p>
<ul class="options">
<li>X-ray inspection systems</li>
<li class="correct">Mantrap systems</li>
<li>Walkthrough detectors</li>
<li>Metal detectors</li>
</ul>
</li>
</ol>
</main>
</body>
</html>
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