I applied online. I interviewed at Barracuda Networks (Bengaluru) in Apr 2016
Interview
I got a call through reference ....They give some topics to prepare .....then they took telephonic interview. Given below is list of topics they asked me to prepare for.....they took one round of telephonic interview ...it went good ....i answered all question correctly...still waiting for second round..
Interview questions [1]
Question 1
1. OSI Ref Model/TCP-IP Model
· Explanation of each layer
· Protocols at each layer
2. ARP
· Packet structure ARP, GARP
· Diff between ARP & GARP
3. Ethernet Frame
· Fields in Ethernet II frame
· Size of Ethernet Frame
· LLC & MAC Sublayer
4. IP
· Fields in IP header
· Importance of Identification field, Flags, Fragment Offset
· Fragmentation-Importance, Detailed understanding of how packet is reassembled
· Path MTU Discovery
5. TCP
· 3 way handshake
· Parameters Informed, negotiated in TCP