MAC Addresses

What are MAC Addresses?

• Unique identifiers for network devices

• Numbers used to filter network traffic

• Addresses used to locate devices on a network

• Identifiers for different types of network interfaces

Which layer of the network does MAC Addresses belong to?

• Physical layer

• Data link layer

• Network layer

• Transport layer

What is the purpose of a MAC Address?

• To identify the manufacturer of a network device

• To differentiate network devices on the same network

• To locate a device on a network

• To filter network traffic

Which type of MAC Address is used to send a frame to multiple devices?

• Unicast

• Multicast

• Broadcast

• Private

What is the format of a MAC Address?

• 12-digit hexadecimal number

• 6-byte hexadecimal number

• 8-digit binary number

• 4-byte decimal number

What do the first 3 bytes of a MAC Address represent?

• Unique number from the manufacturer

• Organizationally unique identifier (OUI)

• Manufacturer's location

• Device's location

Which operating system displays MAC Addresses with dashes?

• Windows

• Apple

• Linux

• Cisco

How do MAC Addresses on a LAN communicate with each other?

• By sending ARP Broadcasts

• By using IP Addresses

• By using DNS Servers

• By sending ICMP Packets

What is the purpose of IP Addresses?

• To identify the manufacturer of a network device

• To differentiate network devices on the same network

• To locate a device on a network

• To filter network traffic

How do systems on separate networks communicate with each other?

• By using MAC Addresses

• By sending ARP Broadcasts

• By using IP Addresses

• By using DNS Servers