I. Technical Questions a. What is TCP/ IP and how it works? b. What is UDP? c. What is DHCP, BGP? d. How many layers in OSI model? e. Describe Data Link Layer and Network Layer. f. Difference between MongoDB and Relational DB? g. Describe outer and inner joins. Also, how many joins are there? h. OLAP vs OLTP i. ACID properties. j. What is Alias? k. Difference between delete, truncate and drop. l. What is Identity Access Management (IAM)? m. Describe S3 and other storage services. n. State all the compute services of Amazon and explain EC2. o. What is AWS Lambda? p. Virtualisation and VPC's.
