Cognizant Desktop Support Engineer Interview Questions and Answers

Q1. What is DHCP ?
Ans. 
DHCP stands for Dynamic Host Configuration Protocol. It is a network management protocol used to automatically assign IP addresses to devices on a network.
• Automatically assigns IP addresses to devices on a network

• Helps in managing and organizing network resources efficiently

• Reduces the need for manual configuration of IP addresses

• Ensures that each device on the network has a unique IP address

• DHCP server leases IP addre
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Q2. What is LAN ?
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LAN stands for Local Area Network, a network that connects computers and devices within a limited area such as a home, office, or building.
• LAN is a network that covers a small geographic area, typically within a single building or campus.

• It allows connected devices to communicate with each other and share resources such as files, printers, and internet access.

• LANs are commonly used in homes, offices, schools, and other...read more
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Q1. Role of deskstop support engineer
Ans. 
Desktop Support Engineers provide technical assistance to users, troubleshoot issues, and maintain computer systems.
• Provide technical assistance to users for hardware and software issues

• Troubleshoot and resolve technical problems with desktop computers, laptops, printers, and other peripherals

• Install, configure, and update software applications and operating systems

• Maintain and update computer systems to ensure optimal...read more
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Q2. How fast is a bus?
Ans. 
The speed of a bus can vary depending on the type of bus, road conditions, and traffic.
• The speed of a city bus is typically around 20-30 miles per hour.

• A school bus usually travels at speeds of 40-50 miles per hour.

• Long-distance buses like Greyhound can reach speeds of 60-70 miles per hour.

• Buses in Europe may travel faster due to higher speed limits on highways.
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Q3. What exactly is a blue screen death
Ans. 
A blue screen of death (BSoD) is a stop error screen that appears when a system encounters a critical error that it cannot recover from.
• Occurs when the operating system encounters a critical error and is unable to recover

• Also known as a stop error or BSoD

• Usually displays a blue screen with error codes and information about the error

• Requires a system restart to resolve the issue
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Q4. What is DNS(domain naming service)?
Ans. 
DNS is a system that translates domain names to IP addresses, allowing users to access websites using human-readable names.
• DNS resolves domain names to IP addresses

• It helps users access websites using human-readable names

• DNS servers store records of domain names and their corresponding IP addresses

• DNS operates as a hierarchical system with multiple levels of authority

• Examples: translating 'www.google.com' to '172.217.3
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Q5. What is type of connection?
Ans. 
A type of connection refers to the method used to establish communication between devices or systems.
• There are various types of connections such as wired (Ethernet, USB) and wireless (Wi-Fi, Bluetooth)

• Connections can also be categorized as point-to-point or multipoint

• Examples include HDMI for video/audio, RJ45 for Ethernet, and USB for data transfer
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Q6. Can you explain active directory?
Ans. 
Active Directory is a directory service developed by Microsoft for Windows domain networks.
• Centralized database for managing network resources

• Stores information about users, computers, and other network objects

• Allows for authentication and authorization of users

• Enables administrators to assign policies, deploy software, and apply updates

• Supports hierarchical structure with domains, trees, and forests
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It's Tough we need to work out more

They separate three levels easy medium hard

Q1. Self intro about your software knowledge and your project explanation
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Q2. Time shifts day and night shifts Location any location ok or not
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