2025 Fresher Service Desk Interview Questions | Prepare Now

Discover top 2025 IT fresher Service Desk interview questions tailored for. Prepare smartly with commonly asked questions and expert tips to ace your interview.

Fresher Service Desk interview questions

1. How to Introduce your self ?

Ans:-How to introduce yourself in an interview? You’ve likely heard the phrase, ‘First impression is the last impression‘ and your self-introduction proves it. To crack any job interview, knowing how to introduce yourself confidently is key.

You should have at least 2 minutes of introduction prepared if you’re going to give an interview. Do you agree with this? Read full blog

Q02 – Why do you want to join or switch to a Service Desk role?”

Ans:- “I want to join the Service Desk because I enjoy problem-solving, communicating with users, and being the first point of contact for IT support. The role allows me to apply both my technical knowledge and interpersonal skills to help users quickly and effectively.

Switching to the Service Desk also gives me an opportunity to build a solid foundation in IT operations, gain exposure to different systems and tools, and develop a broader understanding of how IT supports business goals. I see it as a great entry point for long-term growth in IT and an environment where I can learn, contribute, and make a real impact on day-to-day operations.”

Q03:- What is an IP Address?

Ans:- An IP address is a unique address that is assigned to a device connected to a computer network that uses the Internet Protocol for communication. It is a string of numbers written in a certain format, such as 192.0.2.1 or 2011:0bd9:75c5:0000:0000:6b3e:0170:8394. IP addresses serve two main functions: network interface identification, and location addressing.
There are two versions of the Internet Protocol in common use on the Internet today: IPv4 and IPv6. IPv4 uses 32 bits for the IP address, which means it can support up to 4.3 billion addresses. IPv6 uses 128 bits for the IP address, which means it can support up to 340 undecillion addresses.

Q04:-What is LAN?

Ans:- A LAN, or local area network, is a network of devices that are connected in a small geographic area, such as a home, office, or school. A LAN allows the devices to share data, resources, and Internet access. A LAN typically uses Ethernet, WiFi, or both to connect the devices.
Some benefits, types, or components of a LAN.

Benefits: A LAN can provide faster and more reliable data transfer, lower costs, easier management, and enhanced security for the devices and users on the network .

Types: There are different types of LANs based on their size, topology, or architecture. Some common types are Ethernet, WiFi, Token Ring, FDDI, and ATM .

Components: A LAN typically consists of four main components: devices, cables, switches, and routers. Devices are the  computers, printers, scanners, and other peripherals that connect to the network. Cables are the wires or fibers that link the devices. Switches are the devices that forward data packets within the network. Routers are the devices that connect the LAN to other networks or the Internet .

Q05:- What is WAN?

Ans:- A WAN, or wide area network, is a large network of devices that are connected over a wide geographic area, such as across cities, countries, or continents. A WAN allows the devices to share data, resources, and Internet access. A WAN is essentially a network of networks, with the Internet being the world’s largest WAN.

Some benefits, types, or components of a WAN.

• Benefits: A WAN can provide greater connectivity, scalability, and flexibility for the devices and users on the network. It can also enable access to remote resources, applications, and services that are not available on a LAN.
• Types: There are different types of WANs based on their transmission technology, topology, or architecture. Some common types are leased line, circuit switching, packet switching, cellular, satellite, and VPN.
• Components: A WAN typically consists of four main components: devices, transmission media, switches, and routers. Devices are the computers, servers, printers, and other peripherals that connect to the network. Transmission media are the wires, fibers, or wireless signals that carry the data. Switches are the devices that forward data packets within the network. Routers are the devices that connect the WAN to other networks or the Internet.

Q06:- What is a Router?

Ans:- A router is a device that connects two or more networks and forwards data packets between them based on their destination IP addresses. A router can also allow multiple devices to share the same Internet connection. Routers operate at the network layer of the OSI model and use routing tables to determine the best path for each packet.

• Types: There are different types of routers based on their size, purpose, or technology. Some common types are home routers, wireless routers, enterprise routers, core routers, and edge routers.
• Functions: The main function of a router is to connect two or more networks and forward data packets between them based on their destination IP addresses.
  Routers also perform other functions such as network segmentation, internet connectivity, network address translation, and security.
• Features: Routers have various features that enhance their performance, functionality, and usability. 
  Some of these features are single or dual band Wi-Fi, traditional or gigabit Ethernet, IPv4 and IPv6 support, network address translation, firewalls, and VPN.

Q07:- What is a Switch (in LAN)?

Ans:- A switch is a device that connects multiple devices within a local area network (LAN) and forwards data packets to the specific device that is intended for. A switch operates at the data link layer of the OSI model and uses MAC addresses to identify the devices on the network.
A switch can improve the performance and security of a LAN by reducing collisions, congestion, and broadcast traffic. A switch can also create virtual LANs (VLANs) to further segment the network into smaller groups of devices.

Q08:- What is Outlook? Have you ever used it? If yes, please describe it in short.

Ans:- Outlook is a personal information manager software system from Microsoft that can be used for email, calendar, contacts, tasks, and more. It is available as a part of the Microsoft 365 software suites, or as a standalone application for Windows, Mac, or mobile devices.

Yes, I have used Outlook before. I use it to communicate with users like you, and to manage my schedule and tasks. I find it very useful and convenient to access my data and services from any device. Outlook also has many features and benefits that I can tell you more about if you are interested.

Q09.What is DNS?

Ans: DNS Stands for Domain name system. Domain name system in service desk, the system that automatically translates internet addresses to the numeric machine addresses that computers use. The domain name system (DNS) is a naming database in which internet domain names are located and translated into Internet Protocol (IP) addresses. The domain name system maps the name people use to locate a website to the IP address that a computer uses to locate that website

Q10. What is DHCP ?

Ans: DHCP stands for Dynamic Host Configuration Protocol. The Dynamic Host Configuration Protocol is a network management protocol used on Internet Protocol networks for automatically assigning IP addresses and other communication parameters to devices connected to the network using a client–server architecture.

Example: Suppose you have a computer lab of 150 Computers, and you want to assign the IP Address in all computers. So, you will assign IP Manually, and it will take so much time and also chances for duplicate Ip but if you will use DHCP then you can assign the Ip of all 150 computers at time with in second, and all Ip will be unique. There are not any chance for duplicate Ip.

Q11. What is ITIL in Service Desk?

Ans: ITIL stands for “Information Technology Infrastructure Library” is the world’s most widely used IT Service Management framework. ITIL gives direction to an organization and people to utilize IT as a tool to encourage business change, transformation, and development. The goal is to improve efficiency and achieve predictable service levels.

Q12. What is SLA in Service Desk?

Ans: SLA Stands for “Service Level Agreement” A service level agreement (SLA) refers to a legally binding contract between the service provider and one or more clients that lays down the specific terms and agreements governing the duration of the service engagement – i.e., when the client is paying for said services and the provider is obligated to deliver them.

Q13-What is Active Directory in Service Desk?

Ans: Active Directory (AD) is Microsoft’s proprietary directory service. It runs on Windows Server and enables administrators to manage permissions and access to network resources. Active Directory stores data as objects. An object is a single element, such as a user, group, application or device such as a printer.

Q14:- Top 10 Microsoft applications used in corporate companies for Service Desk.

Ans:- Teams, Outlook, One Note, One drive, Ms Word, Ms Powerpoint, Excel, Access(PC Only), Publisher

PC Only), PowerBi ( Report Builder)

Q15:- What is MS Office 365 Suite?

Ans:- MS Office 365 Suite is a subscription-based service that provides access to various Microsoft products, apps, and services, such as Word, Excel, PowerPoint, Outlook, OneDrive, Teams, and more. It allows you to create, collaborate, and share your work on multiple devices and platforms, and also offers cloud storage, security, and support features.

Q16:- What is VPN?

Ans:- A VPN (Virtual Private Network) is a technology that enhances your online privacy and security. Here’s how it works:

1. Secure Connection: When you use a VPN, your internet traffic is encrypted and sent through a secure tunnel. This ensures that your data remains confidential and protected from eavesdropping.
2. Hide Your IP Address: A VPN masks your IP address, making it difficult for websites, advertisers, or malicious actors to track your online activities. It assigns you a different IP address based on the server location you choose.
3. Bypass Geo-Restrictions: With a VPN, you can access content that might be restricted in your region. By connecting to a server in a different country, you can unblock websites, streaming services, and other online resources.
4. Enhanced Security on Public Wi-Fi: When you connect to public Wi-Fi networks (such as in cafes or airports), a VPN adds an extra layer of security. It prevents hackers from intercepting your data and protects you from potential threats.
5. Privacy: A VPN keeps your online activities private from your internet service provider (ISP) and other third parties. It’s especially useful if you’re concerned about surveillance or data collection.
6. Types of VPNs:
   • Paid VPNs: These prioritize user security and privacy. They offer better performance, customer support, and additional features.
   • Free VPNs: While free VPNs exist, they often come with limitations, such as slower speeds, data caps, and potential privacy risks. Some free VPNs may even track your browsing habits and display ads.
7. Popular VPN Features:
   • Encryption: Protects your data from interception.
   • Server Locations: Allows you to choose a server in a specific country.
   • Kill Switch: Automatically disconnects you if the VPN connection drops.
   • Malware Protection: Guards against malicious websites.
   • Dark Web Monitoring: Alerts you if your account details appear on the dark web.

Two reliable VPN providers are:

1. NordVPN: NordVPN offers strong encryption, a wide range of servers in 61 countries, and advanced features like obfuscated servers and a dark web monitor. It’s available for various devices, including Windows, macOS, Linux, Android, and iOS.
2. ProtonVPN: ProtonVPN prioritizes privacy and offers community-supported features. It’s designed to keep your internet connection secure and private, allowing you to watch streaming services while protecting your data.

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