Cisco Interview Questions

Question: 1 / 10

What is VLAN, use of it, How it help in switching

Question: 2 / 10

What is difference in PVRST, MSTP and RSTP.

Question: 3 / 10

What is difference in structure and Union.

Question: 4 / 10

When we do malloc we use to give size how much allocation we needed, but at time of freeing we done give, how it know how much it has to free.

When memory allocation is done, the actual heap space allocated is one word larger than the requested memory. The extra word is used to store the size of the allocation and is later used by free( )

Question: 5 / 10

One question from pointer, like one pointer variable initialize, then some operation then he asked me what will be the output.

Question: 6 / 10

What is ECFM, what are the main domain in it. What is end points

Question: 7 / 10

What is ERPS,If you said for loop avoidance then next question were How it differ from STP.

Question: 8 / 10

Next question form the previous, if you said it take less conversion, then his question was like how it make less time.

Question: 9 / 10

How mac-learning happen, how it maintain the mac-table, and about the vlan table.

Question: 10 / 10

How packet process from L2 to L3. How it happen in HW level.