20+ IT Technical Support Engineer Interview Questions and Answers

The most effective way to gather user and system requirements is through thorough communication and collaboration.

• Schedule meetings with stakeholders to discuss needs and expectations

• Use surveys and questionnaires to gather feedback from users

• Analyze existing systems and processes to identify gaps and improvements

• Create prototypes or mockups to visualize requirements

• Document all requirements clearly and concisely

Firewall is a security system that monitors and controls incoming and outgoing network traffic.

• Firewall can be hardware or software-based

• It can be configured to block or allow traffic based on predefined rules

• Firewalls can also be used to create virtual private networks (VPNs)

• DHCP is a protocol used to automatically assign IP addresses to devices on a network

• Cloud computing refers to the delivery of computing services over the internet

• Networking involves the design, implement...read more

SQL joins are used to combine rows from two or more tables based on a related column, while normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.

• SQL joins are used to retrieve data from multiple tables based on a related column

• Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity

• Types of SQL joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Normalizatio...read more

To troubleshoot a monitor that is not working, check the power connection, cables, and settings. Test with another device and update drivers if needed.

• Check if the monitor is properly connected to the power source and turned on

• Inspect the cables for any damage or loose connections

• Ensure the correct input source is selected on the monitor

• Try connecting the monitor to another device to determine if the issue is with the monitor or the computer

• Update or reinstall the graphics dr...read more

The four pillars of object-oriented programming are encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation: Bundling data and methods that operate on the data into a single unit (class). Example: private variables in a class.

• Inheritance: Creating new classes based on existing classes, inheriting their attributes and methods. Example: a 'Dog' class inheriting from an 'Animal' class.

• Polymorphism: The ability for objects of different classes to respond to the sa...read more

Cat6e has improved performance and crosstalk compared to Cat6.

• Cat6e has stricter specifications for crosstalk and system noise compared to Cat6.

• Cat6e can support higher bandwidth frequencies up to 250 MHz, while Cat6 supports up to 250 MHz.

• Cat6e cables are typically more expensive than Cat6 cables due to the improved performance.

• Cat6e is backward compatible with Cat6 and Cat5e equipment.

DHCP assigns IP addresses to devices on a network. DNS translates domain names into IP addresses.

• DHCP stands for Dynamic Host Configuration Protocol

• It automatically assigns IP addresses to devices on a network

• DNS stands for Domain Name System

• It translates domain names into IP addresses

• DNS is used to locate websites and other resources on the internet

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

• DHCP stands for Dynamic Host Configuration Protocol

• It allows devices to obtain IP addresses and other network configuration information automatically

• DHCP servers assign IP addresses to devices within a network

• Helps in reducing the manual configuration of IP addresses on each device

• Commonly used in home networks, corporate networks, and internet service providers

The latest version of Windows is Windows 11.

• Windows 11 is the latest version of the Windows operating system.

• It was officially released on October 5, 2021.

• Windows 11 introduces a new design, improved performance, and new features like Snap Layouts and Snap Groups.

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

• It stores information about network resources such as computers, users, and groups.

• It provides authentication and authorization services for Windows-based computers.

• It allows administrators to manage network resources from a central location.

• It uses a hierarchical structure of domains, trees, and forests to organize network resources.

• It supports group policies that can be used to enforc...read more

Web hosting is a service that allows individuals and organizations to make their website accessible via the World Wide Web.

• Web hosting providers store website files on servers

• Websites are hosted on servers connected to the internet

• Different types of web hosting include shared, VPS, dedicated, and cloud hosting

I am proficient in using multiple ticketing tools such as ServiceNow, JIRA, and Zendesk.

• ServiceNow

• JIRA

• Zendesk

LAN stands for Local Area Network, while SFP refers to Small Form-factor Pluggable. The speed of SFP can vary depending on the type.

• LAN is a network that connects computers and devices in a limited area, such as a home, office, or campus.

• SFP is a compact, hot-pluggable transceiver used for both telecommunication and data communications applications.

• The speed of SFP modules can range from 100 Mbps to 100 Gbps, depending on the type and technology used.

• For example, a common SFP...read more

Windows 11 is the newer version of Windows operating system compared to Windows 10.

• Windows 11 has a redesigned Start menu and taskbar.

• Windows 11 offers better support for virtual desktops.

• Windows 11 has improved gaming features like DirectStorage and Auto HDR.

• Windows 11 requires TPM 2.0 for installation, which is not mandatory for Windows 10.

• Windows 11 has a new Snap Layouts feature for better multitasking.

Check internet connection, email server settings, and email account credentials.

• Check internet connection to ensure connectivity

• Verify email server settings in Outlook

• Confirm email account credentials are correct

• Check for any email server issues or outages

• Restart Outlook and computer

Bachelor's degree in Computer Science

• Bachelor's degree in Computer Science

• Relevant certifications like CompTIA A+ or Microsoft Certified IT Professional

• Continuing education courses in IT

DNS translates domain names to IP addresses to locate resources on the internet.

• DNS stands for Domain Name System

• When a user enters a domain name in a web browser, the DNS server translates it to an IP address

• DNS uses a hierarchical system with multiple levels of servers to efficiently resolve domain names

• Examples of DNS servers include Google DNS (8.8.8.8) and OpenDNS (208.67.222.222)

To share a printer, you can set up printer sharing on a network or connect the printer to a print server.

• Enable printer sharing on the computer the printer is connected to

• Connect the printer to a network and enable printer sharing

• Use a print server to share the printer on the network

Zscaler is a cloud-based information security platform that provides secure internet access and private application access.

• Zscaler operates on a zero-trust security model, ensuring users have access only to the resources they need.

• It offers secure web gateway services to protect users from online threats like malware and phishing.

• Zscaler's architecture is designed to scale globally, providing fast and reliable access to applications regardless of user location.

• It supports sec...read more

Firewalls can be categorized into three types: packet filtering, stateful inspection, and proxy server.

• Packet filtering firewalls examine packets and block or allow them based on predefined rules.

• Stateful inspection firewalls keep track of the state of active connections and make decisions based on the context.

• Proxy server firewalls act as an intermediary between clients and servers, filtering and forwarding traffic.

• Examples: Cisco ASA (stateful inspection), pfSense (packet f...read more