Programming:
Write the logic to sort a list without using any built-in methods
If a string "aaabbccccddaaeeeee" is given to a function, print "a3b2c4a2e5"
Have you implemented RabbitMQ before?
Write a class to implement stack
Given a very large file, return the word whose frequency of occurrence is the highest
Given a list and an integer, return True if sum of any two elements of that list matches the integer
DB:
What's the most efficient way to search for an md5sum
What performance measures will you take if you create a database
Hex search in mysql
Networking:
From L1-L7 including the coloring of RJ45 cables.
Subnetting
Most used port in everyday traffic
SSL Handshake
Difference between HTTP PUT and POST
Application Layer:
In-depth questions on SMTP and HTTP
SMTP chunking
Non-ascii characters inside emails
SMTP/IMAP/POP3 deployment