{"id":1381,"date":"2020-10-16T23:14:00","date_gmt":"2020-10-16T22:14:00","guid":{"rendered":"http:\/\/bytereign.com\/?p=1381"},"modified":"2025-04-22T10:22:28","modified_gmt":"2025-04-22T09:22:28","slug":"important-interview-questions","status":"publish","type":"post","link":"https:\/\/bytereign.com\/?p=1381","title":{"rendered":"Important Interview Questions"},"content":{"rendered":"\t\t
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Important Interview Questions \u2013 Useful for core networking interview<\/span><\/p>

\u00a0<\/p>

  1. How Router Works? How Switch Works?<\/span><\/li>
  2. Basic Switching (ARP Resolution\/STP\/Vlan\/Tag-Untag\/VTP\/Trunk Protocols)<\/span><\/li>
  3. What is Public\/Private IP address?<\/span><\/li>
  4. Subnetting\/Static Routing\/Dynamic Routing<\/span><\/li>
  5. What is IGP\/EGP\/Distance Vector\/Link State\/Path Vector<\/span><\/li>
  6. OSPF (Area Types, why they needed? \/ LSA Types\/Neighbor State\/<\/span><\/li><\/ol>

    Election: DR\/BDR)<\/span><\/p>

    1. Difference Between OSPF & IS-IS<\/span><\/li>
    2. BGP (Types\/States\/FSM\/RR\/Synchronization\/Split Horizon)<\/span><\/li>
    3. Access List (Standard\/Extended \u2013 Why & Where?)<\/span><\/li>
    4. Natting\/Types Of NAT<\/span><\/li>
    5. DHCP (Server\/Client)<\/span><\/li>
    6. What is Prefix List\/Route-Map\/Policy Based Routing<\/span><\/li>
    7. What is DNS?, Explain DNS Process<\/span><\/li>
    8. How Traceroute Works\/TTL<\/span><\/li>
    9. TCP\/UDP Port Numbers<\/span><\/li>
    10. What is HSRP\/VRRP\/GLBP in detail<\/span><\/li>
    11. Communities\/Services (ILL\/VPN etc.)\/Customer Types<\/span><\/li>
    12. Packet\/Route Flow (Static\/OSPF\/BGP\/ILL\/VPN)<\/span><\/li>
    13. MPLS (Benefits Of MPLS\/PHP\/RT\/RD\/TDP\/LDP<\/span><\/li>
    14. Issues: Slowness\/IP Not Reachable\/Flapping\/Packet Drops\/<\/span><\/li><\/ol>

      Website Not Accessible etc.<\/span><\/p>

      1. Troubleshooting Of ILL\/VPN Customers<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

        Important Interview Questions \u2013 Useful for core networking interview \u00a0 How Router Works? How Switch Works? Basic Switching (ARP Resolution\/STP\/Vlan\/Tag-Untag\/VTP\/Trunk Protocols) What<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[1,49],"tags":[],"class_list":["post-1381","post","type-post","status-publish","format-standard","hentry","category-blog","category-network-engineering"],"_links":{"self":[{"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/posts\/1381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bytereign.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1381"}],"version-history":[{"count":34,"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/posts\/1381\/revisions"}],"predecessor-version":[{"id":1783,"href":"https:\/\/bytereign.com\/index.php?rest_route=\/wp\/v2\/posts\/1381\/revisions\/1783"}],"wp:attachment":[{"href":"https:\/\/bytereign.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bytereign.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bytereign.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}