40+ Desktop Support Engineer L1 Interview Questions and Answers

The most comfortable Windows OS for me to work on is Windows 10.

• Windows 10 is user-friendly and has a familiar interface.

• It offers improved security features compared to previous versions.

• Windows 10 provides regular updates and compatibility with modern software.

• It has a wide range of hardware and software support.

• Windows 10 includes useful features like Cortana and virtual desktops.

Default Gateway is the IP address of the router that connects a device to other networks. We can track packet path using Traceroute.

• Default Gateway is the first point of contact for a device when it tries to connect to other networks.

• It acts as a mediator between the device and other networks.

• It helps in routing the traffic to the correct destination.

• Traceroute is a tool that can be used to track the path of a packet going to its destination.

• It works by sending packets with i...read more

If I get a beep sound and the system is not turning on, I will perform the following troubleshooting steps:

• Check if the power cable is properly connected and try a different power outlet

• Inspect the power supply unit for any signs of damage or overheating

• Reset the BIOS by removing the CMOS battery and reinserting it after a few minutes

• Check if the RAM modules are properly seated and try reseating them

• Disconnect any external devices and try turning on the system

• If the issue per...read more

Answers to common IT infrastructure questions

• Domain: A group of computers and devices on a network that share a common set of rules for access and security

• DNS: A system that translates domain names into IP addresses

• DHCP: A protocol that automatically assigns IP addresses to devices on a network

• Active Directory: A directory service that stores information about network resources and allows for centralized management of users, groups, and computers

• CMOS battery: A small battery ...read more

An IP address is a unique identifier assigned to devices on a network. There are two types of IP addresses: IPv4 and IPv6.

• IP address stands for Internet Protocol address

• It is a numerical label assigned to each device connected to a network

• IPv4 addresses are 32-bit and represented in dotted decimal notation (e.g. 192.168.0.1)

• IPv6 addresses are 128-bit and represented in hexadecimal notation (e.g. 2001:0db8:85a3:0000:0000:8a2e:0370:7334)

DHCP is a network protocol that automatically assigns IP addresses to devices on a network.

• DHCP stands for Dynamic Host Configuration Protocol.

• It is used to assign IP addresses, subnet masks, default gateways, and other network parameters to devices.

• The DHCP server manages a pool of available IP addresses and leases them to devices on request.

• The process involves four steps: DHCP Discover, DHCP Offer, DHCP Request, and DHCP Acknowledge.

• For example, when a device connects to a...read more

I install the operating system such as Windows, macOS, or Linux, and applications like Microsoft Office, antivirus software, and productivity tools.

• Install operating system like Windows, macOS, or Linux

• Install applications such as Microsoft Office, antivirus software, and productivity tools

• Ensure proper configuration and setup for smooth functioning

Hardware networking refers to the physical components and devices used to connect computers and other devices in a network.

• Examples of hardware networking components include routers, switches, hubs, and cables.

• Ping is a command used to test the connectivity between two devices on a network.

• Troubleshooting is the process of identifying and resolving issues or problems in a system or network.

• To find an IP address, you can use the command prompt and type 'ipconfig' (Windows) or ...read more

The OSI Model is a conceptual framework that standardizes the functions of a communication system into seven layers.

• The OSI Model stands for Open Systems Interconnection Model.

• It was developed by the International Organization for Standardization (ISO) in 1984.

• The model helps in understanding how different network protocols and technologies interact with each other.

• The seven layers of the OSI Model are: Physical, Data Link, Network, Transport, Session, Presentation, and Appli...read more

Sharing the troubleshooting steps for resolving Outlook issues

• Document the issue and steps taken to troubleshoot

• Share the troubleshooting steps with the team or supervisor

• Collaborate with other team members to resolve the issue

• Provide feedback on the effectiveness of the troubleshooting steps

• Continuously update the troubleshooting steps for future reference

Explanation of DHCP, DNS, OSI model, and difference between OST and PST in Outlook.

• DHCP (Dynamic Host Configuration Protocol) assigns IP addresses to devices on a network.

• DNS (Domain Name System) translates domain names into IP addresses.

• OSI (Open Systems Interconnection) model is a conceptual framework for network communication.

• OST (Offline Storage Table) is a file format used by Outlook to store offline copies of email, while PST (Personal Storage Table) is a file format us...read more

The questions are related to Desktop Support Engineer L1 and involve AnyDesk remote control, Outlook configuration, and network printer installation.

• For AnyDesk remote control, download and install the software on both the local and remote computers, then use the provided ID to connect.

• For Outlook configuration, open the program and navigate to the account settings to add or modify email accounts.

• For network printer installation, connect the printer to the network and install...read more

OSI model has 7 layers. Troubleshooting involves identifying and resolving issues at each layer.

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

• Troubleshooting involves identifying and resolving issues at each layer.

• For example, if there is a connectivity issue, it could be at the Physical layer (cable issue), Network layer (routing issue), or Transport layer (firewall blocking traffic).

• Understanding the OSI model helps ...read more

Network refers to a group of interconnected devices, while networking refers to the process of connecting these devices.

• Network is a noun, while networking is a verb.

• Network refers to the physical or logical connections between devices, while networking refers to the process of establishing and maintaining those connections.

• Examples of network devices include routers, switches, and servers, while examples of networking activities include configuring network settings, troubles...read more

The question is unclear and seems to be asking for multiple unrelated things.

• Repairing Windows OS involves various methods depending on the issue, such as using system restore, repairing startup, or reinstalling the OS.

• Data recovery from a laptop depends on the type of damage and the availability of backup. It can be done through software or by taking it to a professional data recovery service.

• Crimping a LAN cable involves attaching connectors to the cable ends using a crimpi...read more

To install a printer, connect it to the computer and install the drivers. To install MS Office, insert the installation disc or download the setup file and follow the prompts. To work with E-procurement website, create an account and follow the instructions.

• Connect the printer to the computer using a USB cable or connect it to the network

• Download and install the printer drivers from the manufacturer's website or use the installation disc

• Insert the MS Office installation disc ...read more

Troubleshooting for hardware devices includes computers, printers, scanners, routers, and servers.

• Computers

• Printers

• Scanners

• Routers

• Servers

OST and PST are file formats used by Microsoft Outlook. IP stands for Internet Protocol.

• OST is an offline storage table used by Outlook to store offline copies of emails, contacts, and other data.

• PST is a personal storage table used by Outlook to store email messages, calendar events, and other data.

• IP is a protocol used for communication between devices on a network.

• IP addresses are used to identify devices on a network and enable communication between them.

• IP addresses are ...read more

My salary expectation is negotiable based on the job responsibilities and market standards.

• I am open to discussing the salary range for this position.

• I have researched the market standards for this role and expect a fair compensation.

• I am looking for a salary that reflects my skills and experience.

• I am willing to consider other benefits and perks as part of the compensation package.

Ping is a network utility used to test connectivity. TCP/UDP are protocols used for data transmission. Static IP is a fixed IP address assigned to a device. Dynamic IP is an IP address assigned by DHCP.

• Ping is used to check if a device is reachable on a network.

• TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are used for sending data over a network.

• Static IP is manually assigned to a device and remains the same unless changed.

• Dynamic IP is assigned by a D...read more

TCP/IP is a set of protocols used for communication between devices on the internet.

• TCP/IP stands for Transmission Control Protocol/Internet Protocol.

• It is a set of rules that governs the transfer of data over the internet.

• TCP is responsible for breaking data into packets and ensuring they are delivered in order.

• IP is responsible for routing packets to their destination.

• TCP/IP is used by all devices on the internet, including computers, smartphones, and servers.

POP and IMAP are email protocols used for retrieving emails from a mail server.

• POP downloads emails from the server to the local device and deletes them from the server.

• IMAP syncs emails between the server and the local device, allowing access to emails from multiple devices.

• POP is a one-way communication protocol while IMAP is a two-way communication protocol.

• POP is less secure than IMAP as it doesn't support encryption.

• Examples of email clients that use POP include Microsof...read more

A router is a networking device that forwards data packets between computer networks. A switch is a networking device that connects devices together on a computer network.

• A router connects multiple networks and determines the best path for data to travel between them.

• A switch connects devices on a network and directs data to the correct device.

• Routers use IP addresses to route data, while switches use MAC addresses to direct data.

• Examples of routers include Cisco, Netgear, an...read more

VPN stands for Virtual Private Network. It is a secure connection that allows users to 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 provides privacy and anonymity by masking the user's IP address and encrypting their internet traffic.

• VPN is commonly used to access company networks remotely, bypass geo-restrictions, and enhance online security.

• Examples of VPN protocols include ...read more

Ping command is a network utility used to test the reachability of a host on an Internet Protocol (IP) network.

• Ping sends an ICMP echo request to the target host and waits for a response.

• It measures the round-trip time for messages sent from the originating host to a destination computer.

• It can also be used to determine the number of hops between two hosts.

• Ping is commonly used to troubleshoot network connectivity issues.

Network activities can be checked using various tools and techniques.

• Use network monitoring tools like Wireshark, tcpdump, and NetFlow Analyzer to capture and analyze network traffic.

• Check network logs to identify any suspicious activities or errors.

• Use ping and traceroute commands to test network connectivity and identify any network issues.

• Monitor network bandwidth usage to identify any abnormal spikes in traffic.

• Use network security tools like firewalls and intrusion detec...read more

A network is a group of interconnected devices that can communicate and share resources. There are two types of networks: LAN and WAN.

• A LAN (Local Area Network) is a network that covers a small area, such as a home, office, or building.

• A WAN (Wide Area Network) is a network that covers a large geographical area, such as a city, country, or even the world.

• Other types of networks include WLAN (Wireless Local Area Network), MAN (Metropolitan Area Network), and CAN (Campus Area N...read more

OST and PST are file formats used by Microsoft Outlook to store email data.

• OST stands for Offline Storage Table and is used for storing email data when Outlook is in offline mode.

• PST stands for Personal Storage Table and is used for storing email data on a local computer.

• OST files are created automatically when Outlook is configured to use Cached Exchange Mode.

• PST files can be created manually by the user to store email data locally.

• Both OST and PST files can be imported and ...read more

Ticket tools are software applications used to manage and track support requests or incidents.

• Ticket tools allow users to create, assign, and prioritize tickets based on urgency and impact.

• They provide a centralized location for communication and collaboration between support teams and end-users.

• Ticket tools often include features such as automated notifications, reporting, and analytics.

• Examples of popular ticket tools include ServiceNow, Jira Service Desk, and Zendesk.

Switching and routing are two fundamental concepts in computer networking.

• Switching is the process of forwarding data packets between devices on the same network.

• Routing is the process of forwarding data packets between different networks.

• Switches operate at the data link layer of the OSI model, while routers operate at the network layer.

• Switches use MAC addresses to forward packets, while routers use IP addresses.

• Examples of switches include Ethernet switches and VLAN switch...read more

To install a printer, connect it to the computer and install the necessary drivers.

• Connect the printer to the computer using a USB cable or over the network

• Turn on the printer and make sure it is recognized by the computer

• Download and install the printer drivers from the manufacturer's website or use the installation CD that came with the printer

• Follow the on-screen instructions to complete the installation process

Windows 10 is a newer version of Windows with improved features and security compared to Windows 7.

• Windows 10 has a more modern user interface with a start menu that combines the traditional start menu with live tiles.

• Windows 10 has better security features such as Windows Hello, which allows users to log in using facial recognition or fingerprint scanning.

• Windows 10 has a virtual desktop feature that allows users to create multiple desktops for better organization.

• Windows 10...read more

Printer installation is the process of setting up a printer on a computer or network.

• Connect the printer to the computer or network

• Install the printer driver software

• Configure printer settings

• Test the printer to ensure it is working properly

Cat6 has higher bandwidth and faster data transfer rate than Cat5.

• Cat6 has a higher frequency of 250 MHz compared to Cat5's 100 MHz.

• Cat6 has stricter specifications for crosstalk and system noise.

• Cat6 can support 10 Gigabit Ethernet up to 55 meters, while Cat5 can only support up to 100 Mbps.

• Cat6 cables are thicker and less flexible than Cat5 cables.

• Cat6 cables are more expensive than Cat5 cables.

DHCP is a protocol that assigns IP addresses to devices on a network. ADDS is a service that manages users and computers in a Windows domain.

• DHCP stands for Dynamic Host Configuration Protocol

• It automatically assigns IP addresses to devices on a network

• ADDS stands for Active Directory Domain Services

• It is a service that manages users, computers, and other resources in a Windows domain

• ADDS provides centralized authentication and authorization for network resources

Switch connects devices within a network while router connects networks together.

• Switch operates at layer 2 of OSI model while router operates at layer 3.

• Switch forwards data packets to the intended device based on MAC address.

• Router forwards data packets to the intended network based on IP address.

• Switch is used in LAN while router is used in WAN.

• Example of switch: Cisco Catalyst 2960. Example of router: Cisco ISR 4000.

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