Network Basics

Why do we use networks?

• To bake cookies

• To learn how to swim

• To predict the weather

• To facilitate communication, share resources, access information, and connect devices together.

How are devices connected in a network?

• By sending smoke signals

• Using carrier pigeons

• Physical cables or wireless connections

• Through telepathy

True or False: Networks help in sharing resources.

• Maybe

• Rarely

• True

• False

True or False: Networks can be wired or wireless.

• Partially true

• Sometimes

• False

• True

What is the purpose of a router in a network?

• To forward data packets between computer networks.

• To water plants

• To bake cookies

• To play music

What is the difference between LAN and WAN?

• LAN is used for wireless connections, while WAN is for wired connections

• LAN is more secure than WAN

• LAN and WAN are the same thing

• LAN is limited to a small area, while WAN covers a large area.

True or False: The Internet is the largest network in the world.

• Maybe

• Partially true

• True

• False

What is the role of an IP address in networking?

• An IP address is used for physical device identification only.

• IP addresses are randomly assigned to devices in a network.

• IP addresses are not necessary for communication between devices.

• The role of an IP address in networking is to uniquely identify devices and enable communication between them.

What is a firewall and why is it important in a network?

• A firewall is unnecessary in a network as it hinders communication between devices.

• A firewall is important in a network to enhance security by preventing unauthorized access, controlling network traffic, and protecting sensitive data from cyber threats.

• A firewall is primarily used for entertainment purposes in a network.

• A firewall is used to increase network speed by allowing all traffic without restrictions.

True or False: Network security is important to protect data.

• True

• Sometimes

• Maybe

• False