Networking Technical Interview Questions
Computer Network Questions Some of the Top Basic Computer Network Questions , that must be Answered and known if you even think of attending any Networks/Network Admin Interviews. Virtual meetings on ...
Describe OSPF 1 OSPF areas, the purpose of having each of them 2 Types of OSPF LSA, the purpose of each LSA type 3 What exact LSA type you can see in different areas 4 How OSPF establishes neighboor r...
Networks : -------- 1.which is not used for error correction : ANS :bit stuffing. 2.which of the following is not function of datalink layer: ANS : Encryption. 3.voltage levels of rs232c: ANS :+12,-12...
What is MTU? How does TCP handshake work? How does SSL handshake work? What are the different phases in VPN establishment? How does DH (deffie helman) work? What is TCP window sizing? What is the diff...
Difference between TCP and UDP? When would you want to use one over the other? How would approach guaging performance of webpages/parts on a very large website? Questions you are unlikely to get unles...
A conventional Ethernet switch forwards frames within a network using learned MAC address information. A router forwards packets between IP networks according to routes and policy. A home device may c...
The prefix length identifies the network portion of an IPv4 address. A /26 leaves six host bits, giving 64 total addresses. In a conventional multi-access subnet, one is the network address and one is...
DHCP supplies network configuration to clients, commonly including an IP address lease, subnet information, default gateway, and DNS server addresses. DNS resolves names to records such as IP addresse...
ARP resolves an IPv4 next-hop address to a link-layer address on the local network. If a destination is outside the local subnet, the host ordinarily resolves the local gateway’s address rather than t...
A VLAN logically separates a layer-2 network into distinct broadcast domains over shared switching infrastructure. A VPN provides a logical connection or overlay across another network, often with enc...
Tunneling adds headers and can reduce the effective path MTU. If oversized packets cannot be fragmented as needed and path-MTU feedback is blocked or mishandled, larger transfers may stall while small...
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