Amazon Web Services Cloud Support Engineer interview questions

Round 1 - Operating systems based Self introduction Process vs thread Race condition and how can we avoid it Starvation vs deadlock and their solution Semaphore Fragmentation and types Segmentation Schedulers Thrashing Preemptive and non preemptive kernels Dangling pointers and how to handle them Doubly linked list Why pointers are not used in java 3 simple coding ques Sorting techniques and which is good Any situation where you were stuck and how did you overcome it Round 2 - Networking round Osi in detail Tcp vs udp Ssl handshake Tcp handshake Dhcp dora Topologies Private and public ip What happens when you type www.amazon.com Routing protocols Sliding window Fragmentation Dns Ipv4 ipv6 Ipsec Vpn Gateway and router Hub router and switch Tcp vs ip Layers and their protocols Round 3 - Managerial Round Faced difficulties Solved a problem out of your comfort zone Asked about projects When was the last time you helped your friend How did u manage a task and what was the learning outcome Experience about participating in a competition When did you step out of your comfort zone When you performer better than expectations

How did I go above and beyond for a customer?