Networking and Database Quiz

Which of the following network devices operates at the data link layer and allows for communication between devices on the same local network?

• Hub

• Switch

• Router

• Modem

Which device is used to connect different networks and operates at the network layer?

• Hub

• Modem

• Router

• Repeater

What is the function of a modem in a network?

• Converts digital signals to analog signals and vice versa

• Routes data between networks

• Amplifies signals to extend the range

• Provides a wireless connection

Which of the following is a valid example of a WAN (Wide Area Network)?

• A network within a single office building

• A network that connects multiple office locations globally

• A network connecting devices within a single room

• A network connecting devices within a campus

Which of the following networking protocols is used for secure communication over a network and encrypts data during transmission?

• FTP

• SMTP

• HTTPS

• POP3

What is the purpose of the PPP (Point-to-Point Protocol)?

• Provide secure communication for web browsers

• Route data between devices

• Establish direct communication between two network nodes

• Transfer files across networks

Which of the following network topologies connects all devices to a single central device?

• Bus

• Ring

• Star

• Tree

In which network topology does every device connect to a central node in a hierarchical manner?

• Tree

• Star

• Bus

• Mesh

Which protocol is used for sending emails?

• SMTP

• FTP

• POP3

• TCP

Which of the following is not a valid URL component?

• Protocol

• Hostname

• Port number

• Date