{"id":22720,"date":"2021-07-24T19:47:15","date_gmt":"2021-07-24T19:47:15","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=22720"},"modified":"2021-07-24T19:47:17","modified_gmt":"2021-07-24T19:47:17","slug":"networking-interview-questions-answers-complete-sets","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/networking-interview-questions-answers-complete-sets\/","title":{"rendered":"Networking Interview Questions &#038; Answers Complete Sets"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Network<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What is Ethernet?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is TCP\/IP?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is a MAC address? What is it used for?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">When is this MAC address used?: ff:ff:ff:ff:ff:ff<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is an IP address?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Explain subnet mask and given an example<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is a private IP address? In which scenarios\/system designs, one should use it?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is a public IP address? In which scenarios\/system designs, one should use it?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Explain the OSI model. What layers there are? What each layer is responsible for?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">For each of the following determine to which OSI layer it belongs:<\/h2>\n\n\n\n<h1 class=\"wp-block-heading\">Error correction<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Packets routing<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Cables and electrical signals<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">MAC address<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">IP address<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Terminate connections<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">3 way handshake<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What delivery schemes are you familiar with?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is CSMA\/CD? Is it used in modern ethernet networks?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Describe the following network devices and the difference between them:<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">router<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">switch<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">hub<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">How does a router works?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is NAT?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is a proxy? How does it works? What do we need it for?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is TCP? How does it works? What is the 3 way handshake?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is round-trip delay or round-trip time?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">How does SSL handshake work?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is the difference between TCP and UDP?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What TCP\/IP protocols are you familiar with?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Explain &#8220;default gateway&#8221;<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is ARP? How does it works?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is TTL? What does it helps to prevent?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is DHCP? How does it works?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is SSL tunneling? How does it works?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is a socket? Where can you see the list of sockets in your system?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is IPv6? Why should we consider using it if we have IPv4?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is VLAN?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is MTU?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What happens if you send a packet that is bigger than the MTU?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is SDN?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is ICMP? What is it used for?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is NAT? How does it works?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Which factors affect network performances<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What the terms &#8220;Data Plane&#8221; and &#8220;Control Plane&#8221; refer?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Explain Spanning Tree Protocol (STP)<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is link aggregation? Why is it used?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is Asymmetric Routing? How do deal with it?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What overlay (tunnel) protocols are you familiar with?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is GRE? How does it works?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is VXLAN? How does it works?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is SNAT?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Explain OSPF<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is latency?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is bandwidth?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is throughput?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">When performing a search query, what is more important, latency or throughput? And how to assure that what managing global infrastructure?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">When uploading a video, what is more important, latency or throughput? And how to assure that?<\/h2>\n\n\n\n<p>What other considerations (except latency and throughput) are there when forwarding requests?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Explain Spine &amp; Leaf<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is Network Congestion? What can cause it?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What can you tell me about UDP packet format? What about TCP packet format? How is it different?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is the exponential backoff algorithm? Where is it used?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Using Hamming code, what would be the code word for the following data word 100111010001101?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Give examples of protocols found in the application layer<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Give examples of protocols found in the network Layer<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is HSTS?<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">What is the difference if any between SSL and TLS?<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Network What is Ethernet? What is TCP\/IP? What is a MAC address? What is it used for? When is this MAC address used?: ff:ff:ff:ff:ff:ff What is an IP address? Explain&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[2],"tags":[],"class_list":["post-22720","post","type-post","status-publish","format-standard","hentry","category-uncategorised"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/22720","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=22720"}],"version-history":[{"count":1,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/22720\/revisions"}],"predecessor-version":[{"id":22721,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/22720\/revisions\/22721"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=22720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=22720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=22720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}