10+ L1 Technical Support Engineer Interview Questions and Answers

To troubleshoot a system that is not turning on, check the adaptor by connecting it to another system.

• Check if the power source is working properly

• Check if the power button is functioning

• Check if there are any loose connections

• Check if the battery is charged

• Connect the adaptor to another system to check if it's working

• If the adaptor is faulty, replace it with a new one

Questions related to computer hardware and troubleshooting.

• POST stands for Power-On Self-Test and is a diagnostic test run by the computer during startup.

• NO-POST refers to a failure in the Power-On Self-Test, which can indicate a hardware issue.

• BIOS stands for Basic Input/Output System and is firmware that initializes hardware during startup.

• Types of RAM include DDR, DDR2, DDR3, and DDR4.

• Practical client scenarios may include issues with slow performance, software errors, or ...read more

To backup data when OS is corrupt, use a bootable USB or CD and copy files to an external drive.

• Create a bootable USB or CD with a live OS

• Boot the computer from the USB or CD

• Connect an external drive to the computer

• Copy all important files to the external drive

• Disconnect the external drive and shut down the computer

LAN is a local area network that connects devices within a limited area. Network providers offer internet services to customers.

• LAN is a computer network that covers a small geographic area, such as a home, office, or building.

• It allows devices to communicate with each other and share resources like printers and files.

• Network providers offer internet services to customers, such as cable, DSL, or fiber optic connections.

• They provide the infrastructure and technology necessary ...read more

Active Directory is a Microsoft service that manages network resources and enables users to access them.

• Centralized database of network resources and user accounts

• Provides authentication and authorization for network resources

• Allows for group policy management and application deployment

• Can be used for single sign-on across multiple applications

• Examples: user accounts, computers, printers, security groups

Office 365 is a cloud-based subscription service that provides access to various Microsoft Office applications and productivity tools.

• Includes popular applications like Word, Excel, PowerPoint, and Outlook

• Offers cloud storage through OneDrive

• Allows collaboration and communication through Teams and SharePoint

• Provides security features like data encryption and multi-factor authentication

• Offers different plans for personal and business use

The brain of a computer is the Central Processing Unit (CPU).

• The CPU is responsible for executing instructions and performing calculations.

• It is often referred to as the 'brain' of the computer because it controls all the other components.

• The speed and power of the CPU can greatly affect the performance of the computer.

• Examples of popular CPUs include Intel Core i7 and AMD Ryzen processors.

Organizational ping methods are used to test network connectivity and measure response time within an organization.

• Ping is a network utility that sends an ICMP echo request to a target IP address or hostname.

• Organizations often use ping to troubleshoot network issues and measure network performance.

• Ping can be used to test connectivity between devices within the same network or across different networks.

• Ping can also be used to measure the round-trip time (RTT) between the se...read more

A Solid State Drive (SSD) is a storage device that uses flash memory to store data, offering faster read/write speeds compared to traditional hard disk drives.

• Uses flash memory instead of spinning disks

• Faster read/write speeds

• More durable and reliable than HDDs

• No moving parts, less noise and heat

• Examples: Samsung 970 EVO, Crucial MX500

An operating system is a software that manages computer hardware and software resources and provides common services for computer programs.

• Manages computer hardware and software resources

• Provides common services for computer programs

• Examples: Windows, macOS, Linux, Android, iOS

Firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

• Firewalls can prevent unauthorized access to a network or computer system

• They can block malicious traffic such as viruses, worms, and hackers

• Firewalls can be hardware-based or software-based

• Examples of firewalls include Cisco ASA, Palo Alto Networks, and Windows Firewall

GPU is a specialized processor designed to handle complex graphical computations, while CPU is a general-purpose processor.

• CPU is responsible for executing instructions and managing the overall system

• GPU is optimized for parallel processing and handling large amounts of data

• CPU has a few powerful cores, while GPU has many smaller cores

• CPU is typically used for tasks like running applications and managing the operating system, while GPU is used for tasks like gaming, video edi...read more

Device Manager is a Windows utility that displays and manages all hardware devices installed on a computer.

• It allows users to view and configure hardware devices and their drivers

• Users can enable/disable devices, update drivers, and troubleshoot issues

• It is accessed through the Control Panel or by right-clicking on the Computer icon and selecting Properties

• Examples of devices listed in Device Manager include network adapters, sound cards, and USB controllers

My current CTC is confidential.

• I am unable to disclose my current CTC as it is confidential information.

• Discussing current CTC is not considered appropriate in interviews.

• I am more interested in discussing the potential salary for this role.

• I believe my skills and experience make me a strong candidate for this position.