IT Interview Questions Cheat Sheet

IT Interview Questions Cheat Sheet

  • What is the difference between Backup/Data Protection and Data Archival?
  • Explain TCP 3-Way Handshake (SYN,SYN-ACK,ACK) –
  • What is a 301 and 404 error
  • What is the difference between Truncate database and drop table?
  • Explain Public Key Cryptography (PKI)
  • What is the difference between TCP and UDP.
  • What is the meaning of TCP and IP in the term TCP/IP
  • What is Virtulization
  • What is Cloud Computing
  • What is NoSQL
  • Give 3 examples of a NoSQL in-memory database
  • symmetric and asymmetric security
  • what options are there for database optimization
  • how would you secure data in motion as well as data at rest?
  • What is autoscalling and Horizontal and Vertical scalling
  • What type of virus protection would us use on a Linux OS. (Trick questions, Linux does not need virus protection.)

 Questions to Ask

  • What is the current workload?
  • What are the current pain points?
  • What is required for this role?
  • What capabilities do you need for this role?
  • Are there many opportunities for professional development within the company?
  • Where do you see this role in 2 Years? 5 Years?
  • How would you describe the office culture?
  • What do you think are the biggest challenges of the role?
  • Why did you choose this company?
  • What are your growth plans?
  • What does a typical week look like?

Soft Skills


Secuirty Patch Release info


How the Internet is Connected

Ever wonder how the Internet is connected globally.  It is via Dark Fiber Under sea Cables..

More info here :-