McAfee Technical Support Executive Interview Questions and Answers

Q1. Dhcp helper mac and ip
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Q2. Putting ip on window pc
Ans. 
To assign an IP address to a Windows PC, you can do so through the network settings.
• Go to Control Panel > Network and Sharing Center

• Click on Change adapter settings

• Right-click on the network connection you want to assign an IP address to and select Properties

• Select Internet Protocol Version 4 (TCP/IPv4) and click on Properties

• Choose 'Use the following IP address' and enter the IP address, subnet mask, default gateway,
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Q3. What if i browse a website, what works at backend
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When browsing a website, various components work at the backend to deliver content and functionality.
• Web server processes requests and serves web pages

• Database stores and retrieves data

• Application server executes application logic

• Content delivery network (CDN) may cache and deliver content

• Load balancer distributes incoming traffic to multiple servers

• Web browser renders the content for the user
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Q1. What is phase 1 and phase 2 in IKEv1
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Phase 1 is for establishing a secure channel and Phase 2 is for negotiating IPSec SAs.
• IKEv1 is a protocol used for VPN tunneling

• Phase 1 negotiates the parameters for the secure channel

• Phase 2 negotiates the IPSec SAs for data transmission

• Phase 1 uses Diffie-Hellman for key exchange

• Phase 2 uses either AH or ESP for data encryption and authentication
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Q2. How does NAT-T works.
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NAT-T is a protocol used to encapsulate and encrypt IPsec traffic when NAT is used in the network.
• NAT-T stands for Network Address Translation - Traversal

• It allows IPsec traffic to pass through NAT devices

• It encapsulates and encrypts IPsec traffic in UDP packets

• It uses port 4500 by default

• Example: A remote worker using a VPN to connect to their company's network from a hotel room with a NAT router
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Q1. What are TCP flags in TCP.
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TCP flags are control bits used in TCP to indicate the status of a connection.
• TCP flags are 6 bits in the TCP header.

• They are used to indicate the status of a connection, such as whether it is being opened, closed, or reset.

• Some common TCP flags include SYN, ACK, FIN, RST, and URG.

• SYN is used to initiate a connection, ACK is used to acknowledge receipt of data, FIN is used to terminate a connection, RST is used to rese...read more
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Q2. How does SSL Inspection works
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SSL Inspection is a process of intercepting and decrypting SSL/TLS traffic to inspect it for security purposes.
• SSL Inspection intercepts SSL/TLS traffic and decrypts it

• It allows inspection of encrypted traffic for security threats

• It requires a trusted root certificate to be installed on the device

• It can cause issues with end-to-end encryption and privacy concerns
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Q3. How does ssl handshake works.
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SSL handshake is a process of establishing a secure connection between a client and a server.
• Client sends a request to the server to initiate the SSL handshake

• Server responds with its SSL certificate

• Client verifies the certificate and generates a symmetric key

• Client sends a message encrypted with the symmetric key to the server

• Server decrypts the message and sends a confirmation to the client

• The SSL handshake is comple
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Q1. Few linux commands
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Q2. Explain few, Any command for example
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Some common commands for technical support engineers include ping, ipconfig, and tracert.
• Ping: Used to test the reachability of a host on an IP network.

• Ipconfig: Displays all current TCP/IP network configuration values.

• Tracert: Shows the route that packets take to reach a specified destination.
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Basics test, maths and logical

Q1. Server and basics Linux comands
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Q2. Are you good with night shifts
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