40+ Technical Support Executive Interview Questions and Answers for Freshers

BIOS stands for Basic Input/Output System. It is a firmware that initializes hardware during the boot process.

• BIOS is responsible for performing a Power-On Self Test (POST) to check if all hardware components are functioning properly.

• It also provides a set of low-level software routines that allow the operating system to communicate with hardware devices.

• BIOS settings can be accessed and modified through a setup utility, which can be accessed during the boot process by pressi...read more

To solve system hang-up issue, try restarting the system, checking for malware, updating drivers, and freeing up disk space.

• Restart the system and check if the issue persists

• Check for malware and viruses using antivirus software

• Update drivers for hardware components

• Free up disk space by deleting unnecessary files and programs

Yes

• CCTV configuration involves setting up cameras, recording devices, and network connections.

• Basic things include camera placement, resolution settings, frame rate, and storage capacity.

• Other important aspects are configuring motion detection, scheduling, and remote access.

• Examples of CCTV configuration tools are VMS software, IP cameras, and NVRs.

RFID gates and networks require specific equipment for building.

• RFID reader: to read the RFID tags attached to objects or individuals passing through the gate

• Antennas: to transmit and receive RFID signals

• RFID tags: attached to objects or individuals to be tracked

• Network infrastructure: to connect the RFID readers and antennas

• Power supply: to provide electricity to the equipment

• Software: to manage and analyze the collected RFID data

Wi-Fi is a wireless networking technology that allows devices to connect to the internet or communicate with each other wirelessly.

• Wi-Fi stands for Wireless Fidelity.

• It uses radio waves to transmit data between devices.

• To connect to Wi-Fi, you need a Wi-Fi enabled device (e.g., smartphone, laptop) and a Wi-Fi network.

• You can connect to a Wi-Fi network by selecting it from the available networks list on your device and entering the password if required.

• Wi-Fi networks can be se...read more

The CPU consists of three main components: the control unit, the arithmetic logic unit, and the cache.

• The control unit manages the flow of data and instructions within the CPU.

• The arithmetic logic unit performs mathematical and logical operations.

• The cache is a small amount of memory used to store frequently accessed data.

• Other components include registers, buses, and clock generators.

• Examples of CPUs include Intel Core i7, AMD Ryzen, and ARM Cortex-A53.

A modem is a device that converts digital signals from a computer into analog signals for transmission over telephone lines.

• Connect the modem to the router using an Ethernet cable

• Configure the modem to bridge mode

• Configure the router to use PPPoE or DHCP

• Ensure the modem and router have different IP addresses

• Test the connection by accessing the internet

To manage a bug or glitch on a real-time domain server, follow these steps:

• Identify the bug or glitch by analyzing server logs and user reports.

• Prioritize the bug based on its impact on server performance and user experience.

• Develop a fix or workaround for the bug, ensuring it does not cause any further issues.

• Test the fix in a controlled environment before deploying it to the live server.

• Communicate with stakeholders about the bug and its resolution.

• Monitor the server post-f...read more

DELETE removes specific records, DROP removes entire tables, and TRUNCATE clears all records quickly.

• DELETE: Removes specific rows based on a condition. Example: DELETE FROM users WHERE age < 18;

• DROP: Deletes the entire table structure and its data. Example: DROP TABLE users;

• TRUNCATE: Removes all rows from a table but keeps the structure. Example: TRUNCATE TABLE users;

• DELETE can be rolled back if used within a transaction, while DROP and TRUNCATE cannot.

ERP stands for Enterprise Resource Planning. It is a software system that helps schools streamline their processes and improve efficiency.

• ERP integrates various functions of a school such as admissions, attendance, finance, and HR into one system

• It provides real-time data and analytics to help school administrators make informed decisions

• ERP automates routine tasks, reducing manual work and human errors

• It improves communication between different departments and stakeholders w...read more

RAM is volatile memory used for temporary storage while ROM is non-volatile memory used for permanent storage.

• RAM stands for Random Access Memory and is used for temporary storage of data and programs while the computer is running.

• ROM stands for Read-Only Memory and is used for permanent storage of data and programs that cannot be changed.

• RAM is volatile memory, meaning it loses its contents when the power is turned off.

• ROM is non-volatile memory, meaning it retains its conte...read more

A technician discovers a mysterious device that can communicate with machines, leading to unexpected adventures.

• The technician, Alex, finds an old device in the storage room.

• Curiosity leads Alex to power it on, revealing a holographic interface.

• The device starts communicating with the office machines, fixing issues autonomously.

• As Alex explores its capabilities, strange glitches begin to occur in the office.

• Eventually, Alex realizes the device is from a forgotten tech company...read more

HDD is a traditional storage device that uses spinning disks to store data, while SSD uses flash memory for faster access.

• HDD is slower and more prone to mechanical failure than SSD

• SSD is more expensive but offers faster read/write speeds

• SSD is more durable and consumes less power than HDD

• HDD is still commonly used for large storage needs, while SSD is preferred for faster performance

• Examples of SSDs include Samsung 970 EVO and Crucial MX500, while examples of HDDs include Se...read more

A router is a networking device that forwards data packets between computer networks. It connects multiple devices to the internet.

• Connect the router to the modem using an Ethernet cable

• Access the router's web-based setup page using a web browser

• Configure the router's network settings, such as SSID and password

• Set up port forwarding and other advanced settings if needed

• Save and apply the changes to the router

To check space in a folder of Linux cmd, use the 'du' command.

• Open the terminal and navigate to the folder you want to check.

• Type 'du -sh' followed by the folder name.

• The output will show the total size of the folder in a human-readable format.

Empathize, listen actively, and provide solutions to frustrated customers to restore their confidence and satisfaction.

• Stay calm and composed; your demeanor can influence the customer's mood. For example, if a customer is yelling, respond in a calm voice.

• Listen actively to their concerns without interrupting. For instance, repeat back what they said to show you understand.

• Empathize with their situation by acknowledging their frustration. You might say, 'I understand how this ...read more

To troubleshoot routers, start by checking the physical connections and power supply. Then, check the router settings and firmware.

• Check physical connections and power supply

• Check router settings and firmware

• Reset the router to default settings if necessary

• Check for firmware updates and install if available

• Check for any network issues or conflicts

• Contact the manufacturer or internet service provider for further assistance

There are three main types of IoT devices: consumer, commercial, and industrial.

• Consumer IoT devices: Smart home devices like thermostats, lights, and security cameras.

• Commercial IoT devices: Smart meters, asset tracking systems, and connected vending machines.

• Industrial IoT devices: Sensors and actuators used in manufacturing, agriculture, and healthcare.

PRI in cloud telephony stands for Primary Rate Interface, a type of digital telecommunication service used to connect a large number of phone lines to the public switched telephone network (PSTN) in a cost-effective manner.

• PRI provides 23 voice channels and 1 data channel for a total of 24 channels.

• It is commonly used by businesses for high-volume voice communication.

• PRI offers better call quality and reliability compared to analog lines.

• It allows for features such as Direct ...read more

Java is a versatile, object-oriented programming language used for building platform-independent applications.

• Object-Oriented: Java uses objects to represent data and methods, promoting code reusability. Example: Classes and objects in Java.

• Platform-Independent: Java applications can run on any device with a Java Virtual Machine (JVM). Example: Write once, run anywhere.

• Rich API: Java provides a comprehensive set of libraries for various tasks, such as networking, I/O operatio...read more

A bug in a computer application is a flaw or error in the software that causes it to behave unexpectedly or not as intended.

• Bugs can cause crashes, data loss, or incorrect output.

• Common types of bugs include syntax errors, logic errors, and runtime errors.

• Examples of bugs include a calculator app giving incorrect results, a game crashing unexpectedly, or a website not loading properly.

Virtual number is a cloud-based number that forwards calls to another number, while DID is a direct inward dialing number that allows direct calls to a specific extension.

• Virtual number is a cloud-based number that can be forwarded to any other number.

• DID is a direct inward dialing number that allows direct calls to a specific extension.

• Virtual numbers are often used for marketing or customer service purposes.

• DID numbers are commonly used in business phone systems to route ca...read more

COVID-19: A Global Pandemic

• Origin and spread of COVID-19

• Symptoms and prevention measures

• Impact on global economy and healthcare systems

• Vaccine development and distribution

• Mental health challenges during the pandemic

To find IP address, go to command prompt and type 'ipconfig' for Windows or 'ifconfig' for Mac/Linux.

• Open command prompt/terminal

• Type 'ipconfig' for Windows or 'ifconfig' for Mac/Linux

• Look for 'IPv4 Address' or 'inet' in the output

• Alternatively, search 'what is my IP address' on Google

My goal is to provide exceptional technical support, ensuring customer satisfaction and continuous improvement in service delivery.

• Deliver timely and effective solutions to customer issues, like resolving software installation problems quickly.

• Enhance customer experience by actively listening and empathizing with their concerns, ensuring they feel valued.

• Continuously improve my technical skills through training and certifications, such as obtaining a CompTIA A+ certification....read more

Click to call solution is a technology that allows users to initiate phone calls by clicking on a button or link.

• Enables users to easily connect with customer support or sales representatives

• Commonly used in websites and mobile apps

• Improves customer experience by providing instant communication

• Examples include ClickDesk, CallRail, and Twilio's Click to Call feature

Native integration involves connecting two or more software applications without the need for additional middleware.

• Identify the APIs or protocols supported by the applications you want to integrate

• Develop custom code to establish communication between the applications

• Test the integration thoroughly to ensure data flows accurately and securely