Allied Digital Services Technical Support Engineer Interview Questions and Answers

Joins are SQL operations that combine records from two or more tables based on related columns.

• INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;

• LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;

• RIGHT JOIN: Returns all records from the right table and matched...read more

Deployment in Tomcat and WebLogic involves packaging applications and configuring servers for execution.

• For Tomcat, package your application as a WAR file and place it in the 'webapps' directory.

• Example: Use 'mvn clean package' to create a WAR file and copy it to Tomcat's 'webapps'.

• For WebLogic, use the WebLogic Console to deploy applications or use WLST scripts.

• Example: In WebLogic Console, navigate to 'Deployments', ...read more

RJ-45 and RJ-11 connectors differ in the number of pins and the OSI layer they operate on.

• RJ-45 has 8 pins while RJ-11 has 4 or 6 pins.

• RJ-45 operates on the Physical and Data Link layers of the OSI model.

• RJ-11 operates on the Physical layer of the OSI model.

• RJ-45 is used for Ethernet connections while RJ-11 is used for telephone connections.

Workgroup is a peer-to-peer network while domain is a centralized network managed by a domain controller.

• Workgroup is suitable for small networks while domain is suitable for large networks.

• In workgroup, each computer has its own user accounts while in domain, user accounts are managed centrally.

• Domain provides better security and easier management of resources.

• Workgroup does not have a centralized authentication syste...read more

To make a bootable pendrive, use a tool like Rufus or Windows Media Creation Tool.

• Download and install a bootable USB tool like Rufus or Windows Media Creation Tool

• Insert the USB drive and select it in the tool

• Select the ISO file or operating system you want to make bootable

• Click on the 'Start' button and wait for the process to complete

• Once done, restart your computer and boot from the USB drive

Yes, I am comfortable with flexi shifts.

• I am willing to work flexible hours to ensure smooth operations.

• I understand the importance of being available during peak hours.

• I have experience working in shifts and can adapt to changing schedules.

• I am committed to meeting the needs of the team and the organization.

Outlook is a personal information manager and email client developed by Microsoft. Outlook 365 is a cloud-based subscription service of Outlook.

• Outlook is a software application used for managing personal information such as emails, calendars, contacts, and tasks.

• It allows users to send, receive, and organize emails from multiple email accounts.

• Outlook provides features like calendar management, task tracking, note-tak...read more

Client OS is used by end-users to interact with the computer while Server OS is used to manage resources and provide services to clients.

• Client OS is designed for personal computers and laptops, such as Windows 10, macOS, and Ubuntu.

• Server OS is designed for servers, such as Windows Server, Linux Server, and Unix.

• Client OS provides a graphical user interface (GUI) for end-users to interact with the computer, while Serv...read more

IP stands for Internet Protocol. It is a unique numerical address assigned to each device connected to a computer network.

• IP is used to identify and locate devices on a network.

• There are two versions of IP: IPv4 and IPv6.

• IPv4 uses a 32-bit address and is the most widely used version.

• IPv6 uses a 128-bit address and provides a larger address space.

• Examples of IP addresses: 192.168.0.1 (IPv4) and 2001:0db8:85a3:0000:0000: