Cogent E Services Server Support Engineer Interview Questions and Answers

Q1. Dhcp how it works
Ans. 
DHCP (Dynamic Host Configuration Protocol) is a network protocol that automatically assigns IP addresses to devices on a network.
• DHCP server assigns IP addresses to devices on a network

• DHCP clients request IP addresses from the DHCP server

• DHCP lease time determines how long an IP address is valid for

• DHCP uses UDP port 67 for server and port 68 for client communication
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Q2. What is vpn how it works
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VPN stands for Virtual Private Network, a technology that allows users to securely access a private network over a public network.
• VPN creates a secure and encrypted connection between the user's device and the private network.

• It masks the user's IP address and encrypts data to ensure privacy and security.

• VPN can be used to access restricted websites, secure remote access to a company's network, and protect data while u...read more
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Q1. How you will face costumer
Ans. 
I will face customers with a friendly and professional attitude, actively listening to their concerns and providing timely solutions.
• Greet the customer with a smile and friendly tone

• Listen actively to their concerns without interrupting

• Ask clarifying questions to fully understand the issue

• Provide timely and effective solutions

• Follow up to ensure the issue is resolved to their satisfaction
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Q2. How fast and efficient you are
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I am highly efficient and always strive to complete tasks quickly without sacrificing quality.
• I prioritize tasks based on urgency and impact on users

• I constantly look for ways to streamline processes and improve efficiency

• I have a track record of resolving issues promptly and effectively

• I am proficient in troubleshooting and problem-solving techniques
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Q1. Good he treated me as like freind
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Q2. Introduction what you salary expected
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I am looking for a competitive salary based on my experience and skills.
• I am open to discussing salary based on the responsibilities and requirements of the role.

• I have researched the average salary range for this position in the industry.

• I am confident in my abilities to contribute value to the company and expect fair compensation.

• I am flexible and willing to negotiate based on the overall compensation package offered
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Q1. Nothing extra some normal questions
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The Aptitude round was easy.It had totally 22 questions. 15 Verbal,5 Logical,one email writing and one essay writing.

You have to talk about nearly 1 minute on the topic of your own or topic given by the recruiter.

Q1. What is DHCP and explain process of DHCP server
Ans. 
DHCP is a network protocol that automatically assigns IP addresses to devices on a network.
• DHCP stands for Dynamic Host Configuration Protocol.

• It is used to assign IP addresses, subnet masks, default gateways, and other network parameters to devices.

• The DHCP server manages a pool of available IP addresses and leases them to devices on request.

• The process involves four steps: DHCP Discover, DHCP Offer, DHCP Request, and...read more
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Q2. What is OSI Model and explain OSI Model layers
Ans. 
The OSI Model is a conceptual framework that standardizes the functions of a communication system into seven layers.
• The OSI Model stands for Open Systems Interconnection Model.

• It was developed by the International Organization for Standardization (ISO) in 1984.

• The model helps in understanding how different network protocols and technologies interact with each other.

• The seven layers of the OSI Model are: Physical, Data ...read more
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Q1. How boot in first step?
Ans. 
To boot in the first step, you need to power on the computer and load the operating system.
• Power on the computer by pressing the power button

• Wait for the BIOS/UEFI screen to appear

• Select the appropriate boot device (e.g. hard drive, USB, CD) in the BIOS/UEFI settings

• Press Enter or any key to boot from the selected device
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Q2. How typing linux os?
Ans. 
Typing in a Linux OS involves using the command line interface to execute commands and navigate the file system.
• Use the terminal to type commands and navigate directories

• Learn common Linux commands such as ls, cd, mkdir, rm, etc.

• Understand the file system structure in Linux

• Practice using keyboard shortcuts and tab completion for efficiency
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Q3. Which are router and switch different?
Ans. 
Routers connect multiple networks together, while switches connect devices within a single network.
• Routers operate at the network layer (Layer 3) of the OSI model, while switches operate at the data link layer (Layer 2).

• Routers use IP addresses to forward data between networks, while switches use MAC addresses to forward data within a network.

• Routers are typically used to connect different networks, such as a home netw...read more
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Q1. Boot install USB
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Q2. Linux install boot work
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Q1. Hardware related questions software related questions
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Q1. Hardware related questions software related questions
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