{"id":189269,"date":"2025-02-09T03:20:38","date_gmt":"2025-02-09T03:20:38","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=189269"},"modified":"2025-02-09T03:20:40","modified_gmt":"2025-02-09T03:20:40","slug":"give-the-correct-answer-of-these-mcqs","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/09\/give-the-correct-answer-of-these-mcqs\/","title":{"rendered":"Give the correct answer of these mcq’s"},"content":{"rendered":"\n

1.      Give the correct answer of these mcq’s
The checksum of 1111 and 1111 is
O 0000
O 0111
O 1110
O 1111<\/p>\n\n\n\n

2.       Firewall examines each that are entering or leaving the internal network.
O emails users
O updates
O connections
O data packets<\/p>\n\n\n\n

The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n

1. The checksum of 1111<\/strong> and 1111<\/strong> is:<\/h3>\n\n\n\n

\u2705 1110<\/strong><\/p>\n\n\n\n

Explanation:<\/h4>\n\n\n\n

A checksum<\/strong> is a method used for error detection in digital data transmission. It ensures data integrity by summing up binary values and sometimes using one\u2019s complement or modulo arithmetic.<\/p>\n\n\n\n

For this problem, let’s compute the binary sum<\/strong> of 1111<\/strong> and 1111<\/strong>:<\/p>\n\n\n\n

    \n
  1. Binary Addition:<\/strong> 1111 + 1111 -------- 11110<\/code><\/li>\n\n\n\n
  2. Since the result is 5 bits, and standard checksums work within 4-bit limits<\/strong>, the extra carry bit (1) is wrapped around<\/strong> and added back to the result.<\/li>\n\n\n\n
  3. Wrap-around addition: 11110 (5-bit result) \u2192 Carry 1 is added back to the remaining 4-bit value **1110**<\/code><\/li>\n\n\n\n
  4. Final Checksum: 1110<\/strong> \u2705<\/li>\n<\/ol>\n\n\n\n
    \n\n\n\n

    2. Firewall examines each that are entering or leaving the internal network:<\/strong><\/h3>\n\n\n\n

    \u2705 Data Packets<\/strong><\/p>\n\n\n\n

    Explanation:<\/h4>\n\n\n\n

    A firewall<\/strong> is a security system designed to monitor and control incoming and outgoing network traffic<\/strong> based on security rules. It acts as a barrier between a trusted internal network (like a company\u2019s LAN)<\/strong> and untrusted external networks (such as the Internet).<\/strong><\/p>\n\n\n\n

    A firewall works by inspecting data packets<\/strong>, which are small units of data that computers use for communication.<\/p>\n\n\n\n

    Why not the other options?<\/h4>\n\n\n\n
      \n
    • Emails Users<\/strong> \u274c \u2192 Firewalls don’t inspect specific users but rather network traffic.<\/li>\n\n\n\n
    • Updates<\/strong> \u274c \u2192 Firewalls don’t directly inspect software updates; they monitor data transmission.<\/li>\n\n\n\n
    • Connections<\/strong> \u274c \u2192 While firewalls track connections, they inspect individual data packets<\/strong> that form those connections.<\/li>\n<\/ul>\n\n\n\n

      Thus, the correct answer is “Data Packets.”<\/strong> \u2705<\/p>\n","protected":false},"excerpt":{"rendered":"

      1.      Give the correct answer of these mcq’sThe checksum of 1111 and 1111 isO 0000O 0111O 1110O 1111 2.       Firewall examines each that are entering or leaving the internal network.O emails usersO updatesO connectionsO data packets The correct answer and explanation is: 1. The checksum of 1111 and 1111 is: \u2705 1110 Explanation: A checksum […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-189269","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/189269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=189269"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/189269\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=189269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=189269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=189269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}