{"id":92296,"date":"2025-06-01T11:20:10","date_gmt":"2025-06-01T11:20:10","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92296"},"modified":"2025-06-01T11:20:10","modified_gmt":"2025-06-01T11:20:10","slug":"what-is-the-primary-purpose-of-a-firewall","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-primary-purpose-of-a-firewall\/","title":{"rendered":"What is the primary purpose of a firewall?"},"content":{"rendered":"<p>What is the primary purpose of a firewall?<\/p>\n<p>[amp_mcq option1=&#8221;Scans all your systems for existence of virus&#8221; option2=&#8221;Records your activities on the computer&#8221; option3=&#8221;Stops you from installing software that will harm your computer&#8221; option4=&#8221;Prevents unauthorized access to your computer via internet&#8221; correct=&#8221;option4&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC CBI DSP LDCE &#8211; 2023<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-cbi-dsp-ldce-2023.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-cbi-dsp-ldce-2023\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe correct answer is D) Prevents unauthorized access to your computer via internet.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nThe primary purpose of a firewall is to act as a security barrier that monitors and controls incoming and outgoing network traffic. It enforces security rules to block unauthorized connections and prevent malicious traffic from entering or leaving a network or individual computer, particularly via external networks like the internet.<br \/>\n<\/section>\n<section id=\"pyq-additional_information\">\nAntivirus software scans for viruses. Recording activities is related to auditing or logging tools. Stopping software installation is usually managed by OS permissions or specific endpoint security software, not the primary function of a firewall.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>What is the primary purpose of a firewall? [amp_mcq option1=&#8221;Scans all your systems for existence of virus&#8221; option2=&#8221;Records your activities on the computer&#8221; option3=&#8221;Stops you from installing software that will harm your computer&#8221; option4=&#8221;Prevents unauthorized access to your computer via internet&#8221; correct=&#8221;option4&#8243;] This question was previously asked in UPSC CBI DSP LDCE &#8211; 2023 Download &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"What is the primary purpose of a firewall?\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-primary-purpose-of-a-firewall\/#more-92296\">Detailed Solution<span class=\"screen-reader-text\">What is the primary purpose of a firewall?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1086],"tags":[1105,1113],"class_list":["post-92296","post","type-post","status-publish","format-standard","hentry","category-upsc-cbi-dsp-ldce","tag-1105","tag-information-and-communication-technology","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the primary purpose of a firewall?<\/title>\n<meta name=\"description\" content=\"The correct answer is D) Prevents unauthorized access to your computer via internet. The primary purpose of a firewall is to act as a security barrier that monitors and controls incoming and outgoing network traffic. It enforces security rules to block unauthorized connections and prevent malicious traffic from entering or leaving a network or individual computer, particularly via external networks like the internet.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-primary-purpose-of-a-firewall\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the primary purpose of a firewall?\" \/>\n<meta property=\"og:description\" content=\"The correct answer is D) Prevents unauthorized access to your computer via internet. The primary purpose of a firewall is to act as a security barrier that monitors and controls incoming and outgoing network traffic. 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The primary purpose of a firewall is to act as a security barrier that monitors and controls incoming and outgoing network traffic. It enforces security rules to block unauthorized connections and prevent malicious traffic from entering or leaving a network or individual computer, particularly via external networks like the internet.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-primary-purpose-of-a-firewall\/","og_locale":"en_US","og_type":"article","og_title":"What is the primary purpose of a firewall?","og_description":"The correct answer is D) Prevents unauthorized access to your computer via internet. The primary purpose of a firewall is to act as a security barrier that monitors and controls incoming and outgoing network traffic. It enforces security rules to block unauthorized connections and prevent malicious traffic from entering or leaving a network or individual computer, particularly via external networks like the internet.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-primary-purpose-of-a-firewall\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:20:10+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-primary-purpose-of-a-firewall\/","url":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-primary-purpose-of-a-firewall\/","name":"What is the primary purpose of a firewall?","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:20:10+00:00","dateModified":"2025-06-01T11:20:10+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct answer is D) Prevents unauthorized access to your computer via internet. The primary purpose of a firewall is to act as a security barrier that monitors and controls incoming and outgoing network traffic. It enforces security rules to block unauthorized connections and prevent malicious traffic from entering or leaving a network or individual computer, particularly via external networks like the internet.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-primary-purpose-of-a-firewall\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/what-is-the-primary-purpose-of-a-firewall\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-primary-purpose-of-a-firewall\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CBI DSP LDCE","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-cbi-dsp-ldce\/"},{"@type":"ListItem","position":3,"name":"What is the primary purpose of a firewall?"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/92296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=92296"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/92296\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=92296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=92296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=92296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}