60+ Desktop Support Engineer L2 Interview Questions and Answers

After getting a system infected with a virus, the first step is to isolate the infected system from the network.

• Isolate the infected system from the network to prevent further spread of the virus

• Disconnect the infected system from the internet

• Disable any network connections on the infected system

• Notify the IT security team about the infection

• Run a full system scan using an updated antivirus software

• Quarantine and remove any identified malware or viruses

• Restore the system from...read more

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• Centralized database for managing network resources

• Stores information about users, computers, and other network objects

• Allows administrators to control access and permissions

• Facilitates single sign-on for users across network services

• Enables group policy management for network-wide settings

POP, IMAP, and SMTP are email protocols used for sending and receiving emails. Each protocol uses different port numbers.

• POP (Post Office Protocol) is used for downloading emails from a server to a client. It uses port number 110.

• IMAP (Internet Message Access Protocol) is used for accessing emails on a server from a client. It uses port number 143.

• SMTP (Simple Mail Transfer Protocol) is used for sending emails from a client to a server. It uses port number 25.

• Secure versions ...read more

I would work for the company as long as I feel challenged and fulfilled in my role.

• I value professional growth and development, so I would stay with a company that provides opportunities for advancement.

• If I feel that I have reached a plateau in my current role and there are no opportunities for growth, I may consider exploring other options.

• However, if I am consistently challenged and engaged in my work, I would be happy to stay with the company for many years.

• Ultimately, my...read more

To install a proxy certificate in a user's machine, you need to import the certificate into the user's browser or operating system.

• Export the proxy certificate from the source (e.g. email, website)

• Import the certificate into the user's browser or operating system settings

• Verify the installation by accessing a website that requires the proxy certificate

Blue Screen of Death (BSOD) is a Windows operating system error screen that appears when a system encounters a critical error.

• BSOD is a stop error screen that appears when the Windows operating system encounters a critical error that it cannot recover from.

• Common causes of BSOD include hardware failures, driver issues, software conflicts, and corrupt system files.

• To fix BSOD, you can try restarting the computer, checking for hardware issues, updating drivers, running system d...read more

Bluescreen errors can be solved by identifying the root cause and taking appropriate actions.

• Check for any recent hardware or software changes

• Run a virus scan and check for malware

• Update drivers and operating system

• Check for overheating or hardware failures

• Restore system to a previous working state

• If all else fails, reinstall the operating system

The colour coding of a cross cable is different on each end to allow for direct connection between two devices.

• The colour coding on one end of the cross cable follows the T568A standard, while the other end follows the T568B standard

• This allows for the direct connection of two devices without the need for a switch or hub in between

• Commonly used for connecting two computers directly or connecting a computer to a printer

To backup a PST file, you can simply copy and paste it to an external drive or cloud storage. To speed up a slow system, try cleaning up temporary files and disabling unnecessary startup programs.

• Copy and paste the PST file to an external drive or cloud storage

• Use a backup software to automate the backup process

• Clean up temporary files to free up space and improve performance

• Disable unnecessary startup programs to reduce the load on the system

I will troubleshoot the issue by checking for any running programs or processes that may be causing the hang.

• Check for any running programs or processes that may be causing the hang

• End any unresponsive programs or processes using Task Manager

• Check for any hardware issues such as overheating or faulty RAM

• Perform a virus scan to check for any malware or viruses

• Update drivers and software to ensure they are up to date

Routers connect different networks, switches connect devices within a network.

• Routers operate at the network layer and use IP addresses to forward packets between networks.

• Switches operate at the data link layer and use MAC addresses to forward frames within a network.

• Routers can prioritize traffic and perform network address translation (NAT).

• Switches can create virtual LANs (VLANs) to segment a network.

• Example of a router: Cisco ISR 4000 series.

• Example of a switch: Cisco Ca...read more

To configure connectivity between two routers, you need to set up routing protocols and configure IP addresses.

• Configure IP addresses on each router interface

• Choose a routing protocol (e.g. OSPF, EIGRP) and configure it on both routers

• Ensure both routers are in the same network or have a route to reach each other

• Test connectivity using ping or traceroute commands

To configure SAP in user's system, follow these steps:

• Install SAP GUI on the user's system

• Configure the SAP logon pad with the necessary system details

• Create a user ID and assign the necessary authorizations

• Test the connection to ensure successful configuration

Windows 10 has a more modern interface, better security features, and improved performance compared to Windows 7.

• Windows 10 has a Start menu with live tiles, while Windows 7 has a traditional Start menu.

• Windows 10 has Cortana, a virtual assistant, while Windows 7 does not.

• Windows 10 has better security features such as Windows Hello, biometric authentication, and improved Windows Defender.

• Windows 10 has improved performance and faster boot times compared to Windows 7.

• Windows ...read more

The process of migrating to Office 365 involves planning, preparation, and execution.

• Assess current infrastructure and identify migration goals

• Prepare for migration by ensuring compatibility and setting up necessary accounts

• Execute migration by transferring data and configuring settings

• Test and verify successful migration

• Train users on new system and provide ongoing support

• Examples of migration tools include Microsoft's Migration Manager and third-party solutions like SkyKick

DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol that automatically assigns IP addresses to devices on a network.

• DHCP server assigns IP addresses to devices on a network

• Helps in reducing manual configuration of IP addresses

• DHCP lease time determines how long an IP address is valid for

• DHCP Discover, Offer, Request, Acknowledge (DORA) process

• Example: When a device connects to a network, it sends a DHCP Discover message to find a DHCP server

Default gateway is a network device that connects different networks together, allowing devices on one network to communicate with devices on another network.

• Default gateway is usually the IP address of the router that connects a local network to the internet.

• It acts as an entry and exit point for network traffic between different networks.

• Without a default gateway, devices on a network would not be able to communicate with devices on other networks.

• It helps in routing networ...read more

Bulk wipe in mdm intune

• Navigate to Intune portal and select Devices

• Select the devices you want to wipe

• Click on the 'Wipe' button and confirm the action

• The devices will be wiped in bulk

PST is a personal storage table used by Outlook to store email data while OST is an offline storage table used for cached Exchange mode.

• PST is a file format used by Microsoft Outlook to store email data on a local computer

• OST is an offline storage table used for cached Exchange mode

• PST files can be imported and exported while OST files cannot

• PST files can be accessed even without an internet connection while OST files require a connection to the Exchange server

• PST files have ...read more

IP address is a unique numerical label assigned to each device connected to a computer network.

• Identifies devices on a network

• Facilitates communication between devices

• Allows devices to send and receive data packets

• Can be IPv4 (e.g. 192.168.1.1) or IPv6 (e.g. 2001:0db8:85a3:0000:0000:8a2e:0370:7334)

VPN is a technology that allows users to securely connect to a private network over the internet.

• VPN encrypts data to ensure privacy and security

• It allows users to access resources on a private network remotely

• Commonly used for remote work, accessing geo-restricted content, and enhancing online security

• Examples include NordVPN, ExpressVPN, and Cisco AnyConnect

Yes, I know how to install software on various operating systems.

• I am familiar with the installation process on Windows, Mac, and Linux systems.

• I can follow installation instructions provided by software vendors.

• I am experienced in troubleshooting installation issues such as compatibility errors or missing dependencies.

Check for any error messages, restart Outlook, verify network connectivity, repair or reinstall Outlook if necessary.

• Check for any error messages displayed when trying to open Outlook

• Restart Outlook and see if it opens successfully

• Verify network connectivity to ensure Outlook can connect to the mail server

• If the issue persists, repair or reinstall Outlook

• Check for any recent updates or changes that may have caused the issue

DNS is a system that translates domain names to IP addresses, allowing users to access websites using human-readable names.

• DNS stands for Domain Name System

• It helps in translating domain names (like www.google.com) to IP addresses (like 172.217.3.206)

• DNS is crucial for internet functionality as it allows users to access websites using easy-to-remember names

Offline Outlook allows users to access emails without an internet connection, while Online Outlook requires an internet connection to access emails.

• Offline Outlook stores emails locally on the user's device, allowing access without internet connectivity.

• Online Outlook requires an active internet connection to access emails stored on the server.

• Offline Outlook is useful for users who need to access emails while traveling or in areas with limited internet connectivity.

• Online Ou...read more

Yes, I can join a system into a domain.

• Yes, I have experience joining systems into domains using Active Directory.

• I understand the process of adding a computer to a domain and configuring domain settings.

• I can troubleshoot any issues that may arise during the domain joining process.

Outlook is an email client developed by Microsoft. It can be configured by adding email accounts and setting up server settings.

• To configure Outlook, open the application and click on File > Add Account

• Enter your email address and password, and Outlook will automatically detect the server settings

• If the server settings are not detected, you can manually configure them by selecting the option 'Manual setup or additional server types'

• Common server settings include incoming and ...read more