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Which application protocol can not be blocked by the Switch?
What is looping and how switching loops are avoided at L2 level?
What is the behavior of the L2 Switch in case of receiving a multicast packet.
How do two computers communicate with each other when they are connected through L2 or L3 switch?
VLAN tagging/un-tagging process –where and when it happens?
What are the fields of VLAN tag?
Port modes [trunk and access] have any influence on VLAN tagging and un-tagging?
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?”
Explain VLAN concepts
Explain the Vlan tag information.
Response of switch when we send different vlan data from different port using same mac id.
What will happen if we send untagged packet to a tagged port
If a switch has been configured with two vlans, how many broadcast domains will be there
Explain 802.1Q header?.
Purpose of TTL. How it gets modified.
