Orient Technologies Network Security Engineer Interview Questions and Answers

Q1. STP, VTP, OSPF
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Q2. What are the benefits and procedures for performing firmware upgrades, and what is the Return Merchandise Authorization (RMA) process for replacing faulty switches?
Ans. 
Firmware upgrades enhance device performance, security, and compatibility, while RMA ensures efficient replacement of faulty switches.
• Improved Performance: Upgrading firmware can optimize the performance of network devices, such as switches, by enhancing processing capabilities.

• Security Enhancements: Firmware updates often include patches for vulnerabilities, protecting the network from potential threats.

• New Features: ...read more
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Q1. Define the 3way handshake layer
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The 3-way handshake is a TCP connection establishment process involving SYN, SYN-ACK, and ACK messages.
• Step 1: Client sends a SYN packet to the server to initiate a connection.

• Step 2: Server responds with a SYN-ACK packet to acknowledge the request.

• Step 3: Client sends an ACK packet back to the server, completing the handshake.

• Example: A web browser (client) connects to a web server using this process.
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Q2. What is ssl
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Q3. What is zcc
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ZCC stands for Zero-Crossing Control, a technique used in electronic circuits for efficient switching.
• ZCC minimizes power loss during switching events.

• Commonly used in AC motor drives to improve efficiency.

• Helps reduce electromagnetic interference (EMI) in circuits.

• Example: In a TRIAC-based dimmer switch, ZCC ensures smooth light dimming.
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Q4. Difine the osi layer model
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Q5. What is vpn
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English , GK, arithmetic

Q1. Asking interview questions
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Q2. Company culture and values
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Q3. Benifits of a device bias
Ans. 
Device bias can lead to improved performance, efficiency, and user experience in network engineering.
• Device bias can result in optimized network traffic routing, leading to faster data transmission.

• It can enhance security measures by prioritizing certain devices for access control and monitoring.

• Device bias can improve overall network stability and reliability by allocating resources more effectively.

• For example, imple...read more
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Check your activity. And professional prasanality development.

How to do planning hendal of project work

Q1. Knowledge about SIEM Archiecture, Network alert triaging, Security alert triaging, Firewall use cases for SIEM
Ans. Siem Architecture, Components, Roles of components, Siem Administration, SOC Operations
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Q2. Firewall Logs, Switches, Routers, Triaging
Ans. Thorough knowledge of Network components, the data flow in the network
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Q3. IR Response for P1 ticket
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IR Response for P1 ticket involves immediate investigation, containment, and resolution of critical security incidents.
• Immediately triage the incident to determine severity and impact

• Contain the incident to prevent further damage or data loss

• Gather evidence and conduct forensic analysis to identify root cause

• Coordinate with relevant teams for remediation and recovery

• Document all actions taken and lessons learned for fu...read more
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