Networking interview questions

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Interview questions on networking

Interview questions on networking

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  • 1. Networking Interview Questions www.tcpipguru.com
  • 2. Routing• Why is routing required• Can a switch route IP Packets• Can a routing protocol be routed• What is the TTL value of a routing protocol• How is a network layer loop prevented by IP Networks• What is the difference between default route and default gateway
  • 3. Switching• How many mac-address can a switch learn on it’s port• If two switches are connected to each other using one physical link, will a loop be formed• Which protocol is used to prevent layer 2 loops• Does a switch understand IP address• Can a hub be connected to a switch
  • 4. Transport Layer protocols• When does TCP initiate the 4 way handshake• Why is the TCP 3 way handshake required• Which transport layer protocol does ping use• Which field in the TCP header is used to manage data• What is the source port number when a DNS client initiates a DNS Server request• What is the transport layer protocol used by HTTPS
  • 5. For more questions with explanation• Visit TCPIPGURU