Tata Communications Security Engineer Interview Questions and Answers

Basic questions related to speed, time, efficiency

Q1. Why do we need 5ghz when we already had 2.4 GHz
Ans. 
5GHz offers faster speeds, less interference, and more channels compared to 2.4GHz.
• 5GHz provides faster data transfer speeds compared to 2.4GHz, making it ideal for high-bandwidth activities like streaming HD video or online gaming.

• 5GHz has less interference from other devices like microwaves and cordless phones that operate on the 2.4GHz frequency.

• 5GHz offers more available channels, reducing the likelihood of congest...read more
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Q2. Can you convert switch into router
Ans. 
Yes, a switch can be converted into a router by enabling routing features and configuring routing protocols.
• Enable routing features on the switch

• Configure routing protocols such as OSPF or EIGRP

• Assign IP addresses to interfaces

• Implement access control lists for security

• Install a routing software image if necessary
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Q1. Only tech round, technical question based on network and security?
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Q1. HR round only to check communication skills
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Q1. What is HLR,VLR? related to telecom
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Q1. Questions on Information Security and testing along with technical questions related to testing and previous work experience at granular level.
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Q1. Managerial level questions with scenario based lateral and logical reasoning questions.
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Written exam on Scenario based ethical hacking questions and coding.

Q1. Salary and negotiate
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Q1. What is asp packet capture
Ans. 
ASP packet capture is a method of capturing and analyzing network traffic to identify potential security threats.
• ASP stands for Application Service Provider.

• Packet capture involves capturing data packets as they travel across a network.

• ASP packet capture helps in monitoring network traffic for security purposes.

• Tools like Wireshark can be used for ASP packet capture.
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Q2. Explain Vlan and its types
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VLAN stands for Virtual Local Area Network. It is a network technology that allows for segmentation of a single physical network into multiple virtual networks.
• VLANs help in improving network security by isolating traffic between different departments or groups.

• There are two main types of VLANs: Port-based VLANs and Tag-based VLANs.

• Port-based VLANs assign ports on a switch to different VLANs, while Tag-based VLANs use ...read more
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Q1. Tell us about you?
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Q2. Palo alto discussion
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Q1. What is ctc in previous company
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Q2. How much you want ctc
Ans. 
I am looking for a competitive salary based on my experience and skills.
• I am seeking a salary that is in line with industry standards for a Network Security Engineer position.

• I am open to negotiation based on the overall compensation package offered by the company.

• I value fair compensation for the level of responsibility and expertise required for this role.
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Q1. Packet flow of ASA/FTD
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Packet flow of ASA/FTD involves ingress, inspection, and egress stages.
• Ingress stage: Packet enters the ASA/FTD device through an interface.

• Inspection stage: Packet is inspected by access control policies, NAT rules, and VPN configurations.

• Egress stage: Packet exits the ASA/FTD device through an interface towards its destination.

• Example: Ingress - packet enters ASA/FTD through outside interface, Inspection - packet is ...read more
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Q2. SSl handshake explaination
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SSL handshake is a process where a client and server establish a secure connection by exchanging encryption keys and verifying identities.
• Client sends a request to the server to initiate the handshake

• Server responds with its digital certificate

• Client verifies the certificate and generates a pre-master secret

• Both parties exchange encrypted messages using the pre-master secret to establish a secure connection
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