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Networking Interview Questions
Questions Answers Views Company eMail

How a switch will behave for a mcast packet if Snooping is not enabled

HCL,

1 2688

How do two computers communicate with each other when they are connected through L2 or L3 switch?

HCL,

2468

VLAN tagging/un-tagging process –where and when it happens?

HCL,

1594

What is native VLAN? What is the use?

HCL,

1 3345

What are the fields of VLAN tag?

HCL, Juniper Networks,

1468

Port modes [trunk and access] have any influence on VLAN tagging and un-tagging?

HCL,

1387

Scenario: “In a switch two hosts are connected to port number 1 and 2 respectively; both the ports are configured with same VLAN id. When data is sent from one host to another, in switch VLAN tagging will happen or not? Why?”

HCL,

1411

Explain VLAN concepts

HCL,

1438

Explain the Vlan tag information.

HCL,

1402

Response of switch when we send tagged packet on access port.

HCL,

1 1881

Response of switch when we send different vlan data from different port using same mac id.

HCL,

1300

What will happen if we send untagged packet to a tagged port

HCL,

1676

If a switch has been configured with two vlans, how many broadcast domains will be there

HCL,

1437

Explain 802.1Q header?.

HCL,

1647

Relation between spanning tree and vlan ?

HCL,

1 2939

Un-Answered Questions { Networking }

Can the IP address be same for 2 PC's?

652

What is site-to-site vpn?

535

How do you check if smtp port is open?

571

Which protocol can be applied when you want to transfer files between different platforms, such between unix systems and windows servers?

638

what protocol can be applied when you want to transfer files between different platforms, such between unix systems and windows servers?

160




What is a node and link?

237

What ftp means?

608

Explain profile in terms of networking concept?

94

Which layer is used to route packets

1272

What is Cross Site Request Forgery and how to defend against it?

585

Define wan?

555

What happens when multiple applications open multiple tcp connections?

618

How does FDDI node determine whether it can send asynchronous traffic and synchronous traffic

1676

Which is better tcp or udp?

566

Explain Synchronous transmission.

154

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