Associate Security Analyst Interview Questions and Answers

OSI Layer refers to the Open Systems Interconnection model which defines a networking framework to implement protocols in seven layers.

• OSI Layer stands for Open Systems Interconnection model

• It defines a networking framework with seven layers

• Each layer has specific functions and protocols

• Examples of OSI layers include Application, Transport, Network, Data Link, etc.

CiA stands for Confidentiality, Integrity, and Availability. It is a framework used in information security to ensure data is secure.

• Confidentiality: Ensuring that data is only accessible to authorized individuals.

• Integrity: Ensuring that data is accurate and has not been tampered with.

• Availability: Ensuring that data is accessible when needed.

• Example: Encrypting sensitive information to maintain confidentiality.

Important port numbers are used for specific network services and protocols.

• Port 80 - HTTP (Hypertext Transfer Protocol)

• Port 443 - HTTPS (Hypertext Transfer Protocol Secure)

• Port 22 - SSH (Secure Shell)

• Port 25 - SMTP (Simple Mail Transfer Protocol)

• Port 21 - FTP (File Transfer Protocol)

A bond is a debt investment where an investor loans money to an entity (corporate or governmental) which borrows the funds for a defined period of time at a fixed interest rate.

• Bonds are issued by governments, municipalities, corporations, and other entities to raise capital.

• Investors purchase bonds as a form of fixed-income investment.

• Bonds have a maturity date when the principal amount must be repaid to the bondholder.

• Interest payments are made to the bondholder at regular ...read more