DevOps

What is the copy-on-write principle?

Middle

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Explain how IP address auto-configuration works with DHCP server.

Junior — Middle

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What levels of consistency exist in distributed systems?

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What is NAT and how does it work?

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On which device are inodes stored?

Middle

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Where does the operating system get the router's MAC address from if it is not in the ARP table?

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How does TCP ensure delivery guarantee?

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How does Linux find the curl binary to run the command curl https://tbank.ru?

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How to make a fault-tolerant IP address? What technologies exist for this?

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What is load average?

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Why can inode run out in some file systems? And what will happen then?

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What is an inode and what information does it contain?

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What is the purpose of the multipart/form-data tag in a request?

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Where can you change the sequence of requests during DNS resolving (hosts file, caching service, DNS server)?

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Why is a dot placed at the end of a DNS name?

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How does digital signature work? What mechanisms is it based on?

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What resources does a zombie process consume?

Middle

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What types (algorithms) of load balancing can be used for an HTTP load balancer with 4 backends?

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What logging modes do you know?

Middle

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How is BGP configured for geo-distributed routing?

Middle

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