10+ L1 Support Engineer Interview Questions and Answers

Firewalls are network security devices that monitor and control incoming and outgoing network traffic.

• Packet-filtering firewalls

• Proxy firewalls

• Stateful inspection firewalls

• Next-generation firewalls

• Application-level gateways

Troubleshooting an issue involves identifying the problem, gathering information, analyzing data, and implementing a solution.

• Identify the problem by gathering information from the user or system logs.

• Analyze the data to determine the root cause of the issue.

• Implement a solution by following established procedures or using problem-solving techniques.

• Test the solution to ensure the issue is resolved.

• Document the troubleshooting steps and the solution for future reference.

Laptop and desktop hardware refers to the physical components that make up a computer system.

• Laptops are portable and have built-in batteries

• Desktops are stationary and require external power sources

• Both have a CPU, RAM, storage, and input/output devices

• Laptops have smaller components and are more difficult to upgrade

• Desktops have larger components and are easier to upgrade

• Examples of hardware include motherboards, processors, hard drives, and graphics cards

Objects and classes are fundamental concepts in Java programming language.

• Objects are instances of classes that encapsulate data and behavior.

• Classes are templates or blueprints that define the properties and methods of objects.

• Objects communicate with each other by invoking methods on each other.

• Inheritance allows classes to inherit properties and methods from other classes.

• Polymorphism allows objects to take on multiple forms and behave differently based on their context.

Equipment cards are essential components in networking, detailing device functions and configurations for efficient management.

• Network Interface Card (NIC): Connects a computer to a network, enabling communication and data transfer.

• Graphics Card: Renders images and video, crucial for gaming and graphic design applications.

• Storage Controller Card: Manages data flow between the computer and storage devices, enhancing performance and reliability.

• Sound Card: Processes audio data,...read more

Windows is a popular operating system developed by Microsoft.

• Windows is a graphical user interface (GUI) based operating system.

• It supports multitasking and multi-user functionality.

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

• Windows has different versions like Windows 7, 8, 10, etc.

• It is widely used in personal computers, laptops, and servers.

Joins in SQL are used to combine data from two or more tables based on a related column.

• Joins are used to retrieve data from multiple tables in a single query

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN

• Joins are performed using the JOIN keyword and specifying the tables and the columns to join on

• Example: SELECT * FROM table1 JOIN table2 ON table1.column = table2.column

Windows is a series of operating systems developed by Microsoft.

• Windows 1.0 was released in 1985

• Windows 95 was a major release with a new user interface

• Windows XP was a popular version that was released in 2001

• Windows 10 is the latest version released in 2015

I am a dedicated L1 Support Engineer with a passion for problem-solving and customer service.

• Experience in troubleshooting hardware and software issues, e.g., resolving printer connectivity problems.

• Strong communication skills, ensuring clear explanations to non-technical users.

• Familiarity with ticketing systems like Jira or ServiceNow for tracking support requests.

• Ability to work under pressure, e.g., managing multiple support tickets during peak hours.

• Knowledge of basic net...read more

NFS is a network file system used for sharing files between Unix/Linux systems. crontab is a file used to schedule tasks to run at specific times.

• NFS stands for Network File System and allows remote file systems to be accessed over a network.

• crontab is a file that contains scheduled tasks to be executed at specific times.

• NFS is commonly used in Unix/Linux environments for sharing files and directories.

• Examples of crontab usage include scheduling backups, running maintenance t...read more

Unix is an operating system developed in the 1970s, while Linux is a Unix-like operating system developed in the 1990s.

• Unix is proprietary and closed source, while Linux is open source.

• Unix is typically used in enterprise environments, while Linux is popular for personal and server use.

• Unix has a limited number of distributions, while Linux has many distributions such as Ubuntu, Fedora, and Debian.

• Unix has a higher cost of ownership due to licensing fees, while Linux is free ...read more