IT Interview Questions Cheat Sheet

IT Interview Questions Cheat Sheet

  • Explain RPO/RTO?
  • Explain Durability?
  • Stateful vs. Stateless Firewalls?
  • Explain the difference between AWS SecurityGroups and VPC peering?
  • Explain a 3 tier application
  • How can you create a Web site using AWS? Enable HTTP on S3 and E2 instance
  • Explain how to migrate high OPS into AWS? (CloudVolumes.)
  • 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


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