Unit 18

What is a key characteristic of a client-server application?

• All processing occurs on the client.

• Processing is divided between a server and client.

• It only works on standalone computers.

• It has no need for network connectivity.

Answer explanation

A key characteristic of a client-server application is that processing is divided between a server and client. The server handles data management and processing, while the client manages the user interface and interactions.

Which protocol is commonly used for email client-server applications?

• HTTP

• FTP

• SMTP/IMAP/POP3

• DNS

Answer explanation

The correct choice, SMTP/IMAP/POP3, includes protocols specifically designed for email transmission and retrieval. SMTP is used for sending emails, while IMAP and POP3 are used for receiving them.

What is the role of a database server in a client-server environment?

• To manage user accounts.

• To store and manage data.

• To manage network connections.

• To manage hardware devices.

Answer explanation

In a client-server environment, the database server's primary role is to store and manage data. It handles data requests from clients, ensuring efficient data retrieval and manipulation.

Which application model relies on a central server to provide services to multiple clients?

• Peer-to-peer.

• Client-server.

• Standalone.

• Virtualized.

Answer explanation

The client-server model relies on a central server to provide services to multiple clients, allowing for efficient resource management and communication, unlike peer-to-peer or standalone models.

What is the purpose of a web server in a client-server application?

• To manage user accounts.

• To host and serve web pages.

• To manage network connections.

• To manage hardware devices.

Answer explanation

The primary purpose of a web server in a client-server application is to host and serve web pages to clients. It processes requests from users and delivers the appropriate content, making it essential for web functionality.

Which Windows feature allows you to share files and folders over a network?

• Device Manager

• File and Printer Sharing

• System Restore

• Disk Cleanup

Answer explanation

The correct choice is 'File and Printer Sharing' as it specifically enables users to share files and folders over a network, allowing for easy access and collaboration between devices.

What is the purpose of setting NTFS permissions on shared folders?

• To increase network speed.

• To control access to files and folders.

• To encrypt data.

• To defragment the hard drive.

Answer explanation

Setting NTFS permissions on shared folders is essential to control access to files and folders. This ensures that only authorized users can view or modify the data, enhancing security and data integrity.

Which type of share permissions allows users to read, change, and delete files?

• Read

• Change

• Full Control

• Write

Answer explanation

The 'Full Control' permission allows users to read, change, and delete files. This permission encompasses all actions, including modifying and removing files, unlike the other options which have more limited capabilities.

What is the purpose of a mapped network drive?

• To increase network speed.

• To create a shortcut to a shared folder on a network.

• To encrypt data.

• To defragment the hard drive.

Answer explanation

A mapped network drive serves as a shortcut to a shared folder on a network, allowing users to easily access files and resources stored on another computer or server without navigating through the network each time.

What is a common method for securing shared resources on a network?

• Using weak passwords.

• Implementing strong passwords and access controls.

• Disabling firewalls.

• Sharing all folders with everyone.

Answer explanation

Implementing strong passwords and access controls is essential for securing shared resources on a network, as it prevents unauthorized access and protects sensitive information, unlike weak passwords or disabling firewalls.