TCS Network and Security Engineer L2 Interview Questions, Process, and Tips

Q1. CCNA SWITCHING and switching
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Q2. Routing
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Q1. Manager round CCNA routing and switching
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I would like simple test

Q1. I would like to lisen the words of company maganement .. And the process of company rules and regulations ..
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Q2. I will occupy the group of my team to secrue the entire the company to first stage
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Q3. I want to.Get a job inMahindra
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Q4. I didn't learn the computertyping but will learn definitely.. in tech Mahindr company basics
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Q5. I am a student degree first year.. ButI would like work in techMahindra..
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Normal communication check

Q1. Basci CCNA question
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Q2. EIGRP was asked
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Q3. DHCp was asked and how it works
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Q4. What is loop and what is the IP
Ans. 
A loop is a sequence of instructions that is continually repeated until a certain condition is met. An IP (Internet Protocol) address is a unique numerical label assigned to each device connected to a computer network.
• A loop is used in programming to execute a block of code repeatedly until a specific condition is met.

• There are different types of loops such as for loop, while loop, and do-while loop.

• An IP address is us...read more
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Q5. Rotuing protocols and switch protocols
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Q1. What BGP OSPF VPN
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BGP, OSPF, and VPN are all protocols used in networking to facilitate communication and secure data transmission.
• BGP (Border Gateway Protocol) is used to exchange routing information between different autonomous systems on the internet.

• OSPF (Open Shortest Path First) is an interior gateway protocol used to find the best path for routing within a single autonomous system.

• VPN (Virtual Private Network) is a technology tha...read more
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Q2. Smtp rstm vlan intervlan
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Q1. Ethereal channel
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Q2. OSPF BGP ethereal vpn erc
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Q1. Share you internship exp
Ans. 
I interned at a telecommunications company where I gained hands-on experience in configuring network devices and troubleshooting network issues.
• Configured routers and switches to optimize network performance

• Assisted in setting up VLANs and implementing security protocols

• Troubleshooted network connectivity issues for end users

• Participated in network infrastructure upgrades and maintenance
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Q2. All question based on the resume only
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Q3. Prepare whatever written in your resume
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Q1. BGP and ospf and vlan
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Q2. VSS and stacking switch
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Q1. BGP in depth ospf and vlan
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Q2. Vss and switch stacking switch routing
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Q1. What are the information in TCP IP Header?
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TCP IP Header contains information such as source and destination IP addresses, port numbers, sequence numbers, and more.
• Source IP address

• Destination IP address

• Source port number

• Destination port number

• Sequence number

• Acknowledgment number

• Header length

• Checksum
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Q2. What is App ID in Palo Alto Firewalls?
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App ID in Palo Alto Firewalls is a feature that identifies applications on the network based on various parameters.
• App ID uses multiple methods to identify applications, including port-based, protocol-based, and application signature-based identification.

• It allows administrators to create policies based on specific applications rather than just ports or protocols.

• App ID helps in enhancing security by allowing granular ...read more
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Q3. What is the SP3 Architecture of Palo Alto Firewalls?
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SP3 Architecture of Palo Alto Firewalls refers to Security Processing Plane, Control Plane, and Data Plane.
• SP3 Architecture consists of Security Processing Plane (SP), Control Plane (C), and Data Plane (D)

• Security Processing Plane (SP) handles security functions like threat prevention and decryption

• Control Plane (C) manages routing and firewall policies

• Data Plane (D) processes and forwards traffic based on firewall pol...read more
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Q1. What do you know about routing?
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Routing is the process of selecting the best path for network traffic to reach its destination.
• Routing involves determining the optimal path for data packets to travel from the source to the destination.

• Routers use routing tables to make decisions on how to forward packets based on destination IP addresses.

• There are different types of routing protocols such as RIP, OSPF, EIGRP, and BGP.

• Static routing involves manually ...read more
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Q2. What do you know about switching?
Ans. 
Switching is a networking technique used to forward data packets between devices on a computer network.
• Switching involves the process of receiving, analyzing, and forwarding data packets within a network.

• Switches operate at Layer 2 (Data Link Layer) of the OSI model.

• Switches use MAC addresses to determine the destination of data packets.

• Switches create separate collision domains and broadcast domains, improving network...read more
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