Network Security Engineer Top Interview Questions and Answers

Network Security Engineer is a higher level position. The fundamental duty is to defend the business from threats. They also secures sensitive information like confidential business materials and personal data. Likewise, network security empowers protection of data shared among computers on the network.

If you are looking for Network Security Engineer job or considering another activity as a system director; this Network security interview questions will enable you to confront any sort of questions asked during the interview.

  1. Define Protocol?

Ans. It is a set of guidelines that oversee all aspects of data communication.

Q2. What are the layers of OSI?

Ans.

  • Data link layer
  • Transport layer
  • Application layer
  • Session layer
  • Data link layer
  • Presentation layer

Q3. What is pipelining?

Ans. At the point when an undertaking has started before the previous task has finished is called Pipelining.

 

Q4. What is the difference between hub and switch?

Ans. A hub is a networking device that interfaces different PCs together, while switch is a control unit that turns the stream of power in a circuit.

Q5. Which layers are referred as network support layers?

Ans.

  • Data interface layer
  • Physical layer
  • Network layer

Q6. What is simplex? Give an Example

Ans. A kind of communication in which information is transmitted in one way is known as simplex. Example: Monitor

Q7. What is RIP?

Ans. RIP stands for Routing Information Protocol, is a simple protocol convention used to trade data between the switches.

Q8. What are the variables that influence the execution of the system?

Ans.

  • Type of transmission media
  • Software
  • Number of clients
  • Hardware

Q9. Difference between wired LAN and remote LAN?

Ans. Wired LAN utilized Ethernet gadgets like switch, centre and switch, while remote LAN utilizes gadgets like MiFi switch and WLAN switch

Q10. Name some user support layers?

Ans.

  • Application layer
  • Presentation layer
  • Session layer

Q11. What is the utilization of TCP in the IP parcels?

Ans. TCP is an acronym of transmission control protocol. It is utilized as a communication protocol in a private network.

Q12. Name the types of errors?

Ans. There are two types of errors:

  • Single bit blunder
  • Burst blunder

Q13. What is ALOHA?

Ans. It is utilized to illuminate the channel allotment issue. There are two types of ALOHA:

  • Pure salaam
  • Slotted salaam

Q14. What does VPN stand for?

Ans. VPN remains for virtual private system. It makes a safe system association over an open system like the web.

Q15. Which conventions utilizes application layer?

Ans.

Q16. What is intranet?

Ans. It is a private system in view of TCP/IP conventions available just by the organization's individuals or somebody with approval.

Q17. What are steps engaged with making the checksum?

Ans.

  • Divide the information into segments
  • Add the segments together utilizing 1's supplement math
  • Take the supplement of the last total

 

These are some of well-known Network security questions. In the event that you are new to the subject, take in more about it through an expert affirmation course in Network security and pick up the aptitudes required to be a specialist in this area.

 

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