Networking Ch 1-3

What is a router?

• A device that connects multiple networks and forwards data packets between them.

• A device that connects multiple devices in a network and forwards data packets between them.

• A device that amplifies network signals to extend the range of a network.

What is an IP address?

• A unique identifier assigned to a network device.

• A unique identifier assigned to a website.

• A unique identifier assigned to a network cable.

Which of the following is a network device used to connect multiple devices in a network?

• Router

• Switch

• Firewall

What is a subnet mask used for?

• To determine the network portion of an IP address.

• To determine the host portion of an IP address.

• To determine the broadcast address of a network.

What is the difference between a crossover cable and a straight-through cable?

• A crossover cable is used to connect two similar devices, while a straight-through cable is used to connect two different devices.

• A crossover cable is used to connect two different devices, while a straight-through cable is used to connect two similar devices.

• There is no difference between a crossover cable and a straight-through cable.

Which topology has a central hub or switch?

• Star

• Ring

• Bus

• Mesh

What is the difference between a hub and a switch?

• A hub connects multiple devices in a network and forwards data packets to all devices, while a switch connects multiple devices in a network and forwards data packets only to the intended device.

• A hub connects multiple networks and forwards data packets between them, while a switch connects multiple devices in a network and forwards data packets only to the intended device.

• There is no difference between a hub and a switch.

Which of the following is an example of a WAN technology?

• Ethernet

• Wi-Fi

• MPLS

• Bluetooth

What is a MAC address?

• A unique identifier assigned to a network device.

• A unique identifier assigned to a website.

• A unique identifier assigned to a network cable.

How many bits are in a byte?

• 4

• 8

• 16

• 32