CN chapter 4 - Additional questions

What is the primary purpose of a data communication protocol?

• To increase network speed

• To determine the format and transmission of data

• To connect computers to the Internet

• To manage network security

Which layer of the TCP/IP model is responsible for reliable data delivery?

• Internet Layer

• Network Interface Layer

• Transport Layer

• Application Layer

Which of the following is NOT a class of IP addresses?

• Class A

• Class B

• Class F

• Class C

What is the maximum number of hosts that can be supported in a Class C network?

• 65,536

• 254

• 16,384

• 4,294,967,296

Which protocol is used for dynamic IP addressing?

• FTP

• DHCP

• HTTP

• SMTP

What does a subnet mask do?

• Determines the network and host portions of an IP address

• Increases network speed

• Provides security for the network

• Assigns static IP addresses

What is the purpose of the loop-back address (127.x.x.x)?

• To connect to external networks

• For a device to communicate with itself

• To assign a unique IP address

• To manage multicast traffic

How many bits are in an IPv4 address?

• 64

• 128

• 32

• 16

Which of the following IP addresses is a multicast address?

• 192.168.1.1

• 10.0.0.1

• 224.0.0.1

• 172.16.0.1

What is the default subnet mask for a Class B network?

• 255.255.255.0

• 255.255.0.0

• 255.0.0.0

• 255.255.255.255