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Senior site reliability engineer Interview Questions


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Senior Site Reliability Engineer was asked...December 4, 2017

How is managing infrastructure in public cloud, like AWS, different than managing physical infrastructure?

2 Answers

Managed host vs unmanaged hosts. i still wonder how you was able to get the job x'''DDD Less

Besides not having actual hardware to contend with and monitor, things like availability, backups and restoration and LUN management are very different. Less


What resources do linux cgroups manage?

2 Answers

resources. cpu, etc. thats how docker implements limits.

In these sorts of interviews you really need to drill down and understand what the interviewer is looking for. A good way to simulate a real interview experience is to do a mock with one of the Docker Senior Infrastructure/Site Reliability Engineer experts on Prepfully, rated super strongly on TrustPilot... Less

Bloomberg L.P.

Which package contains the Hashmap class

2 Answers

I don't know, I haven't memorized Java package namspaces



Describe in detail what occurs after you enter a website in a browser?

2 Answers

I hope this detail is enough. 1. Get the IP of hostname - If its not in DNS cache, lookup local hosts, if not then do a DNS lookup on DNS server configured from you network setting. 2. Once you got the IP make TCP handshake to make TCP connection. (going through one or more Autonomous systems) 3. If it is http over SSL/TLS then make a SSL handshake using the TCP connection and then send encrypted http data to server. (So, far you may be making connection to reverse proxy like a loadbalancer or something). 4. The server will present HTTP response to your request as a html page (which may call other java scripts, images, css files and make other API calls if need, etc ) and the browser will present you the page as per the definition in html response. Less

open socket to a server, process HTML code. the code may include JS that alter the HTML itself. src links are being downloaded and display as well as CSS being interpreted. Less


If a system was having sporadic issues what would be a way to find out what was wrong, other than using monitoring tools.

2 Answers

I would talk to the customers using the system and see what issues they were noticing. Less

There's a lot of elements to typically cover in these questions, clarifications, scoping, making sure you're answering the actual question the interviewer is looking for you to answer, etc. Could be worth doing a mock interview with one of the Prepfully DuckDuckGo Senior Site Reliability Engineer experts... they've worked in the role so they clearly know how to get through the interview. Less

Moka (Indonesia)

What is your daily task in previous company

1 Answers

I manage team, deployment, maintenance, etc.


There's a lot of culture and value questions, which I liked.

1 Answers

Just be yourself, answer sincerely. I commented that I like the diversity in the organization, and they replied that they need to do more. This impressed me. Less


yes they asked me questions.

1 Answers

bad interview experience. One of the interviewers was awful and gave such poor instructions and expectations and was immensely rude throughout. They kept huffing and puffing and face palmed me. Less

Arkose Labs

What's important to lead the team?

1 Answers

To be able to relate to the engineers at a level that makes feel safe and secure. Less

Credit Karma

Explained about the current project, Professional experience with K8, Cloud, Network TCP/IP

1 Answers

Went Okay, But didn't receive offer as expected.

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