250 Networking Interview Questions and Answers by p sachin

Author:p, sachin
Language: eng
Format: epub, azw3
Publisher: tcpipguru
Published: 2015-04-09T16:00:00+00:00

192.168.1.0 255.255.255.0.

192.168.1.5 would be "And ed" with 255.255.255.0 and determined that the destination IP address is a member of the 192.168.1.0 network.

Question 138

What happens to a frame that has been tagged.

When PC1 sends a packet to PC2, the frame encapsulating the IP packet, does not contain information related to the vlan it belongs to. When the frame is tagged, the vlan information is inserted as an additional field, which is appended with the generic ethernet header. This information is typically used by the switch, to understand which vlan the frame belongs to.

Question 139

What happens when a switch receives a frame.

In the below diagram, PC1 pings PC2. The IP packet is encapsulated using an ethernet frame and is sent to the E0 interface on the switch. The frame has the source mac-address as the mac-address of PC1 and the destination mac-address as PC2

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