J277 Networks

What is a network device?

• A network device is a device used to store data within a network.

• A network device is a hardware or software component that enables communication and data transfer between devices within a network.

• A network device is a software program that manages network traffic.

• A network device is a type of computer that connects to a network.

Name one example of a network device.

• firewall

• modem

• switch

• router

What is the purpose of a router in a network?

• The purpose of a router in a network is to encrypt data packets between computer networks.

• The purpose of a router in a network is to amplify data packets between computer networks.

• The purpose of a router in a network is to store data packets between computer networks.

• The purpose of a router in a network is to forward data packets between computer networks.

What is the function of a switch in a network?

• The function of a switch in a network is to connect devices on a LAN and forward data packets between them.

• The function of a switch in a network is to connect devices on a WAN and forward data packets between them.

• The function of a switch in a network is to encrypt data packets before transmitting them between devices.

• The function of a switch in a network is to block data packets from being transmitted between devices.

What is a modem used for in a network?

• A modem is used to encrypt data and convert signals between digital and analog formats.

• A modem is used to store data and convert signals between digital and analog formats.

• A modem is used to connect to the internet and convert signals between digital and analog formats.

• A modem is used to connect to a printer and convert signals between digital and analog formats.

What is the difference between a hub and a switch?

• A hub broadcasts data to all devices, while a switch forwards data only to the intended recipient.

• A hub is used for wired connections, while a switch is used for wireless connections.

• A hub and a switch are the same thing.

• A hub forwards data only to the intended recipient, while a switch broadcasts data to all devices.

What is a network interface card (NIC)?

• A network interface card (NIC) is a software component that allows a computer to connect to a network.

• A network interface card (NIC) is a type of monitor used to display network activity.

• A network interface card (NIC) is a storage device used to store network data.

• A network interface card (NIC) is a hardware component that allows a computer to connect to a network.

What is the role of a firewall in a network?

• The role of a firewall in a network is to block all incoming and outgoing network traffic.

• The role of a firewall in a network is to provide faster internet speed.

• The role of a firewall in a network is to encrypt all network traffic.

• The role of a firewall in a network is to monitor and control network traffic to protect the network from unauthorized access and attacks.

What is the purpose of a repeater in a network?

• To connect multiple networks together.

• To encrypt and secure data transmission.

• To filter and block unwanted signals.

• To regenerate and amplify signals

What is the function of a bridge in a network?

• The function of a bridge in a network is to block network traffic.

• The function of a bridge in a network is to connect separate network segments together.

• The function of a bridge in a network is to amplify network signals.

• The function of a bridge in a network is to encrypt network data.