How switch learn MAC address? Explain MAC learning in switches.

HCL,

Which application protocol can not be blocked by the Switch?

HCL, Samruddhi,

What is looping and how switching loops are avoided at L2 level?

HCL,

What is the behavior of the L2 Switch in case of receiving a multicast packet.

HCL,

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

HCL,

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

HCL,

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

HCL,

What is native VLAN? What is the use?

HCL,

What are the fields of VLAN tag?

HCL, Juniper Networks,

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

HCL,

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,

Explain VLAN concepts

HCL,

Explain the Vlan tag information.

HCL,

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

HCL,

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

HCL,