Network

What is the primary purpose of a router in a network?

• Connect devices within a single network

• Filter unwanted traffic

• Route data between different networks

• Amplify signals

What protocol is used to assign IP addresses automatically in a network?

• DNS

• HTTP

• DHCP

• FTP

Which layer of the OSI model is responsible for data encryption?

• Application

• Presentation

• Network

• Data Link

What is the default subnet mask for a Class C IP address?

• 255.0.0.0

• 255.255.0.0

• 255.255.255.0

• 255.255.255.255

Which device operates primarily at the Data Link layer of the OSI model?

• Router

• Switch

• Hub

• Firewall

What is the maximum length of a CAT6 Ethernet cable for optimal performance?

• 55 meters

• 100 meters

• 150 meters

• 200 meters

Which protocol is used for secure remote access to a network device?

• Telnet

• FTP

• SSH

• SMTP