100+ Technical Support Engineer Interview Questions and Answers for Freshers

WAN is a network that covers a large geographical area while LAN is a network that covers a small area.

• WAN stands for Wide Area Network while LAN stands for Local Area Network

• WAN covers a large geographical area such as a city, country or even the world while LAN covers a small area such as a building or a campus

• WAN is usually slower and more expensive than LAN

• Examples of WAN include the internet while examples of LAN include home or office networks

Resistances connected in series to a voltage source will reduce the current flowing through the circuit.

• Resistances in series add up to increase the total resistance of the circuit.

• This results in a decrease in current flowing through the circuit.

• The voltage drop across each resistance will be proportional to its resistance value.

• This principle is used in voltage dividers and current limiting circuits.

IP address is a unique identifier assigned to each device connected to a network. Classes of IP include A, B, C, D, and E. Workgroup and domain are network organization structures. BSOD is Blue Screen of Death.

• IP address is a unique numerical label assigned to each device on a network

• Classes of IP include A, B, C, D, and E with different ranges of addresses

• Workgroup is a peer-to-peer network where each computer has its own security settings, while domain is a centralized netw...read more

TCP/IP is a set of protocols used for communication over the internet. OSI layer is a model for network communication.

• TCP/IP is a suite of communication protocols used for transmitting data over the internet.

• It consists of two main protocols: Transmission Control Protocol (TCP) and Internet Protocol (IP).

• TCP ensures reliable transmission of data while IP is responsible for routing packets to their destination.

• OSI layer is a conceptual model for network communication that defi...read more

There are different types of support such as technical support, customer support, product support, and maintenance support.

• Technical support - provides assistance with technical issues

• Customer support - assists customers with their inquiries and concerns

• Product support - helps customers with product-related issues

• Maintenance support - provides maintenance and repair services for products

There are two main types of storage devices: HDD (Hard Disk Drive) and SSD (Solid State Drive). Types of SSD include SATA, NVMe, and PCIe.

• HDD (Hard Disk Drive)

• SSD (Solid State Drive)

• Types of SSD: SATA, NVMe, PCIe

Routers are networking devices that forward data packets between computer networks.

• Routers connect multiple devices to the internet or other networks

• They use routing tables to determine the best path for data to travel

• Routers can be wired or wireless, and can be used in homes, businesses, and data centers

• Examples of popular router brands include Cisco, Netgear, and TP-Link

IP stands for Internet Protocol. An IP address is a unique numerical label assigned to each device connected to a computer network.

• IP stands for Internet Protocol

• IP address is a unique numerical label assigned to devices on a network

• IP addresses are represented in decimal format, such as 192.168.1.1

• There are two versions of IP addresses - IPv4 and IPv6

Electric vehicles are different from fuelled vehicles as they run on electricity instead of gasoline or diesel.

• Electric vehicles produce zero emissions, making them environmentally friendly.

• Electric vehicles have lower maintenance costs compared to fuelled vehicles.

• Electric vehicles are quieter and provide smoother acceleration than fuelled vehicles.

• Electric vehicles can be charged at home or at public charging stations.

• Examples: Tesla Model S, Nissan Leaf, Chevrolet Bolt

A network is a group of interconnected devices that can communicate and share resources.

• A network can be wired or wireless

• Devices on a network can share files, printers, and internet access

• Networks can be local (LAN) or wide area (WAN)

• Examples of networks include the internet, home networks, and corporate networks

I have technical knowledge in various areas including networking, hardware, software, and troubleshooting.

• Proficient in troubleshooting hardware and software issues

• Knowledgeable in networking protocols and configurations

• Familiar with operating systems such as Windows and Linux

• Experience with virtualization technologies like VMware and Hyper-V

• Skilled in scripting languages like Python and PowerShell

Hardware refers to physical components of a computer while software refers to programs and applications that run on the computer.

• Hardware includes components such as the motherboard, CPU, RAM, and hard drive.

• Software includes programs such as Microsoft Office, Adobe Photoshop, and web browsers.

• Hardware is tangible and can be physically touched while software is intangible and cannot be physically touched.

• Hardware can be upgraded or replaced while software can be updated or un...read more

FSMO roles are specialized domain controller roles in Active Directory that handle specific tasks.

• There are 5 FSMO roles: Schema Master, Domain Naming Master, RID Master, PDC Emulator, and Infrastructure Master.

• Schema Master - responsible for making changes to the Active Directory schema.

• Domain Naming Master - responsible for adding or removing domains in the forest.

• RID Master - responsible for allocating unique security identifiers (SIDs) to objects within a domain.

• PDC Emula...read more

The sensor used to measure pulse in a smart watch is called a photoplethysmography (PPG) sensor.

• Photoplethysmography (PPG) sensor is used in smart watches to measure pulse

• PPG sensor measures changes in blood volume by shining light into the skin and detecting the amount of light absorbed

• The sensor can be found on the back of the smart watch, usually in contact with the skin

Cloud computing is the delivery of computing services over the internet, including storage, servers, databases, networking, software, and analytics.

• Cloud computing allows users to access and use resources on-demand without the need for physical infrastructure.

• It offers scalability, flexibility, cost-effectiveness, and increased efficiency.

• Examples of cloud computing services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

Connect devices in sequence: firewall, internet lease line, switch, router, wireless device, laptop.

• Connect internet lease line to firewall

• Connect firewall to switch

• Connect switch to router

• Connect router to wireless device

• Connect wireless device to laptop

System troubleshooting involves identifying and resolving issues in a step-by-step process.

• Gather information about the problem

• Identify the root cause of the issue

• Develop and implement a solution

• Test the solution to ensure it resolves the problem

• Document the troubleshooting process and solution for future reference

The route cause for mail not reaching the recipient can be due to various factors such as incorrect email address, server issues, network problems, or spam filters.

• Incorrect email address: Double-check if the recipient's email address is entered correctly.

• Server issues: Check if the sender's email server or the recipient's email server is experiencing any technical problems.

• Network problems: Verify if there are any network issues that could be preventing the mail from being d...read more

The route cause for rectification when mail is not sent from Outlook application.

• Check if there is an issue with the internet connection.

• Verify if the email account settings are correct.

• Ensure that the email server is functioning properly.

• Check if there are any restrictions or limitations set by the email service provider.

• Verify if the email is not being blocked by antivirus or firewall software.

• Ensure that the email is not stuck in the Outbox folder.

• Check if there are any is...read more

Anonymous FTP allows users to access files on a server without providing login credentials.

• Users can download files without needing a username or password

• Can be used for public file sharing or distribution

• Can pose security risks if not properly configured

• Example: ftp://ftp.debian.org/debian/

Subnet mask is a 32-bit number used to divide an IP address into network and host addresses.

• Determines the network portion of an IP address

• Used in conjunction with IP address to identify network and host

• Common subnet masks include 255.255.255.0 and 255.255.0.0

BIOS stands for Basic Input/Output System. It is a firmware used to perform hardware initialization during the booting process.

• BIOS is a firmware embedded on a small chip on the motherboard.

• It is responsible for initializing and testing hardware components during the boot process.

• BIOS provides the basic instructions for the computer to operate before the operating system takes over.

• It also manages the communication between the operating system and hardware components.

• Examples...read more

Outlook is an email client application used for managing emails, calendars, tasks, and contacts.

• Open Outlook and go to File > Add Account

• Select 'Manual setup or additional server types' and click Next

• Choose 'POP or IMAP' as the account type

• Enter your name, email address, account type (IMAP), incoming and outgoing mail servers (imap.gmail.com and smtp.gmail.com), and your Google Workspace password

• Click More Settings > Outgoing Server tab > Check 'My outgoing server (SMTP) requ...read more

Windows 11 has new features like redesigned Start menu, improved multitasking, and better gaming performance compared to Windows 10.

• Windows 11 has a redesigned Start menu with a centered layout, compared to the left-aligned Start menu in Windows 10.

• Windows 11 offers improved multitasking features like Snap Layouts and Snap Groups, making it easier to organize and switch between multiple windows.

• Windows 11 includes DirectStorage technology for faster game load times and better...read more

A survey is a method of gathering information from a sample of individuals. There are various types of surveys.

• Types of surveys include: demographic, opinion, customer satisfaction, market research, and employee engagement.

• Surveys can be conducted through various methods such as online, phone, mail, or in-person.

• Surveys can be structured (closed-ended questions) or unstructured (open-ended questions).

• Surveys can be cross-sectional (data collected at one point in time) or long...read more

India has 4 seismic zones based on the intensity of earthquakes.

• India is divided into 4 seismic zones - Zone 2, 3, 4, and 5

• The zones are based on the intensity of earthquakes

• Zone 5 is the most seismically active zone

• The zones help in designing earthquake-resistant structures

I will remain calm, empathetic, and professional while actively listening to the customer's concerns and finding a solution.

• Remain calm and composed

• Listen actively to understand the customer's concerns

• Show empathy towards the customer's frustrations

• Maintain a professional demeanor throughout the interaction

• Focus on finding a solution to the customer's issue

• Avoid taking the customer's behavior personally

Automobile engineering is the branch of engineering that deals with the design, development, production, and maintenance of automobiles.

• It involves the study of various components of automobiles such as engines, transmissions, brakes, suspension, and steering systems.

• Automobile engineers work on improving fuel efficiency, safety, and performance of vehicles.

• They also work on developing new technologies such as electric and hybrid vehicles.

• Examples of automobile engineering ad...read more

A residential building is a structure designed for people to live in.

• A building that contains multiple living units for individuals or families

• May include amenities such as a gym, pool, or parking garage

• Can range from small apartment buildings to large high-rise complexes

• May be owned by individuals, corporations, or government entities

Types of cement include Portland cement, slag cement, and fly ash cement. Physics properties include setting time, strength, and durability. Design mix of concrete involves proportions of cement, water, aggregates, and admixtures.

• Types of cement: Portland cement, slag cement, fly ash cement

• Physics properties: setting time, strength, durability

• Design mix of concrete: proportions of cement, water, aggregates, admixtures

Transmission and distribution are the processes of delivering electricity from power plants to consumers.

• Transmission involves high voltage power lines that transport electricity over long distances.

• Distribution involves lower voltage power lines that deliver electricity to homes and businesses.

• Both processes require transformers to step up or step down voltage as needed.

• Smart grid technology is being used to improve the efficiency and reliability of transmission and distribu...read more

Networking infrastructure involves the hardware and software components that enable communication between devices.

• Networking infrastructure includes routers, switches, firewalls, and cables.

• It also involves protocols such as TCP/IP, DNS, and DHCP.

• Networking infrastructure enables devices to communicate with each other and access the internet.

• It is important to understand networking infrastructure in order to troubleshoot network issues.

Hydraulic oil is used in machinery for lubrication, cooling, and transmitting power.

• Hydraulic oil provides lubrication to reduce friction and wear between moving parts.

• It helps in cooling the machinery by dissipating heat generated during operation.

• Hydraulic oil is used to transmit power in hydraulic systems, allowing for precise control and movement.

• It also acts as a sealant to prevent leakage and contamination in hydraulic systems.

• Examples of machinery that use hydraulic oi...read more

A continuous beam is a structural element that spans over multiple supports without any joints or interruptions.

• A continuous beam is designed to distribute loads evenly over its entire length.

• It is commonly used in bridges, buildings, and other large structures.

• The beam can be made of various materials such as steel, concrete, or wood.

• It requires careful planning and engineering to ensure its stability and strength.

• A continuous beam can be analyzed using various methods such ...read more

Apache Tomcat is an open-source web server and servlet container that is used to serve Java applications.

• Apache Tomcat is developed by the Apache Software Foundation.

• It is used to deploy Java servlets and JSPs.

• Tomcat can also be used as a standalone web server.

• It is commonly used in conjunction with Apache HTTP Server.

• Tomcat is written in Java and provides a pure Java HTTP web server environment.

Equivalent static method is a simplified approach to calculate seismic forces on a building.

• It assumes that the seismic forces can be represented by a single static force acting on the center of mass of the building.

• It is commonly used for low-rise buildings with regular shapes and uniform mass distribution.

• It is not suitable for tall or irregular buildings with significant mass and stiffness variations.

• The method is based on the concept of response spectrum analysis and can ...read more

VPN stands for Virtual Private Network, a secure connection that allows users to access the internet privately and securely.

• VPN creates a secure and encrypted connection over a less secure network, such as the internet.

• It allows users to access resources on a remote network as if they were directly connected to that network.

• VPN can be used to protect sensitive data, bypass geo-restrictions, and enhance privacy and security online.

A basic electrical problem refers to a common issue in electrical systems that can be easily identified and resolved.

• Short circuit: When a wire carrying current comes into contact with another wire or a conductive surface, causing a sudden increase in current flow.

• Open circuit: When there is a break in the electrical path, preventing the flow of current.

• Faulty wiring: Poorly installed or damaged wiring that can lead to electrical malfunctions or safety hazards.

• Power outage: A...read more

OSI Model and TCP/IP Model are networking models used to understand how data is transmitted over a network.

• OSI Model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, Application.

• TCP/IP Model has 4 layers: Network Interface, Internet, Transport, Application.

• OSI Model is theoretical while TCP/IP Model is practical and widely used.

• OSI Model helps in understanding the functions of each layer in networking.

• TCP/IP Model is the foundation of the internet...read more

Networking is the practice of connecting computers and other devices to share resources and information.

• Networking involves connecting devices such as computers, printers, and servers to share resources like files and printers.

• Types of networking include LAN (Local Area Network), WAN (Wide Area Network), WLAN (Wireless Local Area Network), and MAN (Metropolitan Area Network).

• LANs are used in small areas like homes or offices, while WANs cover larger geographical areas.

• WLANs u...read more

To troubleshoot internet connection issues, follow these steps.

• Check if other devices can connect to the internet

• Restart the router/modem

• Check network settings on the device

• Disable and re-enable network adapter

• Run network troubleshooter

• Contact internet service provider

I will track the status of incoming messages using a ticketing system and email notifications.

• Utilize a ticketing system to assign, track, and prioritize incoming messages

• Set up email notifications for updates on message status

• Regularly check and update the status of messages in the system

VPN stands for Virtual Private Network, it 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 location, providing anonymity and privacy

• VPN can be used to access geo-restricted content, bypass censorship, and enhance security when using public Wi-Fi networks

Bending moment is the measure of the bending force applied to an object.

• Bending moment is a result of a force applied perpendicular to a beam or object.

• It is measured in Newton-meters (Nm) or foot-pounds (ft-lbs).

• Bending moment can cause an object to bend or deform.

• The bending moment at any point on a beam can be calculated using the formula M = F x d, where M is the bending moment, F is the force applied, and d is the distance from the force to the point of interest.

Corner columns should be designed to resist both axial and bending loads.

• Consider the load-bearing capacity of the column material

• Determine the maximum load that the column will need to support

• Ensure that the column is properly braced to prevent buckling

• Design the column to resist both axial and bending loads

• Consider the geometry of the column and the surrounding structure

A network is a collection of computers, servers, mainframes, network devices, and other devices connected to one another to share data and resources.

• Networks can be wired or wireless

• They can be local (LAN), wide (WAN), or global (Internet)

• Networks use protocols like TCP/IP to communicate

• Examples include Ethernet, Wi-Fi, and cellular networks

To configure DHCP in Linux, you need to modify the configuration file and restart the DHCP service.

• Edit the /etc/dhcp/dhcpd.conf file to configure DHCP settings

• Specify the range of IP addresses to be leased to clients

• Set the subnet mask, default gateway, DNS servers, and other options

• Restart the DHCP service after making changes to the configuration file