McAfee Technical Support Executive Interview Questions and Answers

Q1. What is phase 1 and phase 2 in IKEv1
Ans. 
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
Answered by AI
Add your answer
Q2. How does NAT-T works.
Ans. 
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
Answered by AI
Add your answer

Q1. What are TCP flags in TCP.
Ans. 
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
Answered by AI
View 1 more answer
Q2. How does SSL Inspection works
Ans. 
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
Answered by AI
Add your answer
Q3. How does ssl handshake works.
Ans. 
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
Answered by AI
Add your answer

Q1. Few linux commands
Add your answer
Q2. Explain few, Any command for example
Ans. 
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.
Answered by AI
Add your answer

Basics test, maths and logical

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

The task was a Codility type