WaterAid Interview Questions and Answers

IMAP port NO is the port number used by the IMAP protocol for email retrieval.

• IMAP uses port number 143 for unencrypted connections.

• IMAP over SSL/TLS uses port number 993 for encrypted connections.

• Port numbers can be changed based on server configurations.

• Example: IMAP server address: mail.example.com, port number: 143

DNS stands for Domain Name System. It is a decentralized naming system that translates domain names into IP addresses.

• DNS is used to resolve domain names to their corresponding IP addresses.

• It helps in the efficient routing of internet traffic by translating human-readable domain names into machine-readable IP addresses.

• DNS also provides other important services like email routing and load balancing.

• Example: When you type 'www.example.com' in a web browser, DNS translates it ...read more

A child domain is a subdomain within a larger domain, created to organize and manage specific resources or users.

• Child domains are created to delegate administrative control and manage resources independently.

• They inherit policies and settings from the parent domain but can have their own unique policies as well.

• For example, in a company's domain structure, a child domain may be created for a specific department or location.

• Child domains can have their own domain controllers ...read more

RAID stands for Redundant Array of Independent Disks. It is a data storage technology that combines multiple physical disk drives into a single logical unit.

• RAID provides increased performance, fault tolerance, and data protection.

• There are different RAID levels, such as RAID 0, RAID 1, RAID 5, RAID 10, etc.

• RAID 0 offers improved performance by striping data across multiple drives.

• RAID 1 mirrors data across multiple drives for redundancy.

• RAID 5 uses block-level striping with ...read more

Fixboot is a command in Windows operating systems used to repair or rebuild the boot sector of the system's hard drive.

• Fixboot is a command-line utility used to fix issues related to the boot sector of a Windows system.

• It is commonly used to repair boot problems caused by corrupted or missing boot files.

• Fixboot can be run from the Windows Recovery Environment or using the Windows installation media.

• The command replaces the boot sector with a new one, allowing the system to bo...read more