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I was asked questions on 1. Routing protocols such eigrp ospf and bgp. 2. Spanning tree protocols and about trunk port modes etc 3. Basic questions about subnetting and asked few problems on the same. 4. Asked to write code on how to ssh into a cisco IOS router and extract whether an interface is up or down using any coding language of choice 5. Asked to write code on how to keep track of the number of distinct words and a count of the same from a file. 6. Debugging how a neighbouring router/switch port is alive or dead 6. Basic questions on Operating systems concepts and linked lists.
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Software Engineer II Intern

Interviewed at Cisco

4.1★
Apr 2, 2015

I was asked questions on 1. Routing protocols such eigrp ospf and bgp. 2. Spanning tree protocols and about trunk port modes etc 3. Basic questions about subnetting and asked few problems on the same. 4. Asked to write code on how to ssh into a cisco IOS router and extract whether an interface is up or down using any coding language of choice 5. Asked to write code on how to keep track of the number of distinct words and a count of the same from a file. 6. Debugging how a neighbouring router/switch port is alive or dead 6. Basic questions on Operating systems concepts and linked lists.

The interview steered in the direction of System Design. I had to design and develop an app that was meant to be a competitor to Instagram. I was given about 5 minutes to think it through and come up with a basic architecture. After I explained my architecture, I was asked a follow-up question about delay handling in case of distributed systems, and I wasn't able to answer it correctly as I had not dealt with such systems in the past.
avatar

Software Engineer Intern

Interviewed at Cisco

4.1★
Oct 25, 2025

The interview steered in the direction of System Design. I had to design and develop an app that was meant to be a competitor to Instagram. I was given about 5 minutes to think it through and come up with a basic architecture. After I explained my architecture, I was asked a follow-up question about delay handling in case of distributed systems, and I wasn't able to answer it correctly as I had not dealt with such systems in the past.

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