Infosys Consulting Senior Systems Engineer Interview Questions and Answers

Q1. 1. ISO27001, Risk Assement , Audit and PCIDSS, CIA and Cyber security? 2.What is Control Testing?
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Q2. Risk Treatment, Risk Register
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Q1. What is domain and how it's working
Ans. 
A domain is a group of computers and devices on a network that are administered as a unit with common rules and procedures.
• A domain allows for centralized management of users, computers, and resources.

• Domains use a hierarchical structure with a domain controller at the top.

• Domain controllers authenticate and authorize all users and computers in the domain.

• Examples of domains include Microsoft Active Directory domains a
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Q1. What is DHCP server
Ans. 
DHCP server assigns IP addresses automatically to devices on a network.
• DHCP stands for Dynamic Host Configuration Protocol

• It eliminates the need for manual IP address configuration

• DHCP server leases IP addresses to devices for a specific period of time

• It also provides other network configuration information like subnet mask and default gateway

• Example: When a new device connects to a network, DHCP server assigns it an a
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TCS NQT consists of MCQ and coding

Q1. Internship expereinces
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Q2. I explained my resume
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Q1. Is it ok for Reallocation
Ans. 
Yes, reallocation is acceptable in certain situations to optimize resources.
• Reallocation can be acceptable if it helps optimize resources and improve efficiency.

• For example, reallocating server resources to handle increased traffic during peak hours.

• Reallocation should be carefully planned and executed to avoid negative impacts on system performance.

• Regular monitoring and evaluation of the reallocated resources is impo
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Q2. Yes
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Q1. What is the difference between L2 and L3 switch
Ans. 
L2 switches operate at the data link layer and make forwarding decisions based on MAC addresses, while L3 switches operate at the network layer and make forwarding decisions based on IP addresses.
• L2 switches operate at the data link layer of the OSI model

• L2 switches make forwarding decisions based on MAC addresses

• L3 switches operate at the network layer of the OSI model

• L3 switches make forwarding decisions based on IP ...read more
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Q2. Wh lan is faster and wifi?
Ans. 
Wired LAN is faster than WiFi.
• Wired LAN typically offers faster and more stable connection speeds compared to WiFi.

• WiFi speeds can be affected by interference, distance from the router, and the number of devices connected.

• Examples of wired LAN technologies include Ethernet and Powerline adapters.
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Q1. What do we do if scope are full on DHCP server
Ans. 
If scope are full on DHCP server, you can either expand the scope or delete inactive leases to make room for new ones.
• Expand the scope by increasing the range of IP addresses available for lease

• Delete inactive leases to free up space for new leases

• Check for any misconfigured devices causing IP address conflicts
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Aptitude test with quant and reasoning and basic English objective type questions

Basic programs on data structure, loops exception handling, API

Q1. General discussion on projects you worked on. Might ask you to explain solution of a given problem. Will also evaluate you on your communication skills
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Q2. Given a production issue , How will you act to the situation
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Q1. Even and odd number index
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Q1. 1. ISO27001, Risk Assement , Audit and PCIDSS, CIA and Cyber security? 2.What is Control Testing?
Add your answer
Q2. Risk Treatment, Risk Register
Add your answer