Microsoft Networking Essentials Exam IP Addressing & Subnetting 3

Question 1

What is the purpose of the subnet mask in IP networking?

Accepted Answer

To distinguish the network portion from the host portion of an IP address

Answer

To encrypt IP packets

Answer

To assign IP addresses automatically

Answer

To convert domain names to IP addresses

Question 2

Which IPv6 address type is equivalent to IPv4 private addresses and is only routable within a local network?

Accepted Answer

Unique local

Answer

Global unicast

Answer

Link-local

Answer

Anycast

Question 3

An administrator needs to divide a 192.168.1.0/24 network into at least 6 subnets. What is the minimum prefix length required?

Accepted Answer

/27

Answer

/25

Answer

/26

Answer

/28

Question 4

What is the valid host range for the subnet 10.0.0.128/25?

Accepted Answer

10.0.0.129 – 10.0.0.254

Answer

10.0.0.1 – 10.0.0.126

Answer

10.0.0.128 – 10.0.0.255

Answer

10.0.0.130 – 10.0.0.255

Question 5

Which address resolution protocol maps IP addresses to MAC addresses on a local network?

Accepted Answer

ARP

Answer

RARP

Answer

DNS

Answer

NAT

Question 6

Which of the following best describes NAT (Network Address Translation)?

Accepted Answer

Translates private IP addresses to a public IP for internet access

Answer

Assigns DNS names to IP addresses

Answer

Encrypts IP packets before transmission

Answer

Divides a network into multiple VLANs

Question 7

What is the total number of possible IPv4 addresses?

Accepted Answer

About 4.3 billion

Answer

About 4.3 million

Answer

About 43 million

Answer

About 340 undecillion