NTT Data Senior System Administrator Interview Questions and Answers

Charm has three types of changes: Standard, Urgent, and Emergency.

• Standard changes are pre-approved and follow a defined process.

• Urgent changes require immediate attention but still follow a defined process.

• Emergency changes are unplanned and require immediate action to resolve an issue.

• Examples of emergency changes include patching a critical vulnerability or restoring a failed system.

• Examples of standard changes incl...read more

AD object refers to any entity that can be stored in Active Directory.

• AD objects can be users, groups, computers, printers, etc.

• Each object has a unique identifier called a Security Identifier (SID).

• Objects can have attributes such as name, description, email address, etc.

• Objects can be organized into containers such as Organizational Units (OU).

Staging a server in VM and physical environment

• Create a VM with the same specifications as the physical server

• Install the same operating system and software on both the VM and physical server

• Configure the VM to mimic the network settings of the physical server

• Test the applications and services on the VM before deploying to the physical server

• Ensure that the VM and physical server have the same hardware and software con...read more

To troubleshoot Windows Server reboot issue, check event logs, hardware, drivers, and updates.

• Check event logs for any error messages or warnings related to the reboot

• Check hardware components such as RAM, CPU, and power supply

• Check drivers for any outdated or corrupted drivers

• Check for any pending updates or patches

• Use diagnostic tools such as Windows Memory Diagnostic or System File Checker

• Check for any malware or vi...read more

Patching a server involves identifying vulnerabilities, downloading and installing patches, and testing the system.

• Identify vulnerabilities through regular security scans

• Download patches from trusted sources

• Install patches during scheduled maintenance windows

• Test the system after patching to ensure functionality

• Document the patching process for future reference

Security tools can be installed using package managers or manually downloading and installing them.

• Use package managers like apt-get, yum, or pacman to install security tools

• Manually download and install security tools from their official websites

• Regularly update the security tools to ensure the latest security patches are applied

To deploy and configure monitoring tool in the server, follow these steps:

• Choose a monitoring tool that suits your needs and requirements

• Install the monitoring tool on the server

• Configure the monitoring tool to monitor the desired metrics and parameters

• Set up alerts and notifications for critical events

• Regularly review and analyze the monitoring data to identify issues and optimize performance