IPv4 and IPv6 Subnetting Exam Questions and Answers

Network Exhibit and Prefix /27

1. Refer to the network exhibit. Prefix /27

Subnetted IPv4 Addresses

2. Subnetted IPv4 addresses:

• 172.16.4.155 / 26
• 172.16.4.193 / 26
• 172.16.4.207 / 27

True Statements Regarding IP Addresses

3. Which statements are true regarding IP addresses?

• Private Internet addresses are blocked by the router.
• The IP address 127.0.0.1 can be used for loopback traffic to the host itself.

Router Subnet Determination Process

4. Process used by routers to determine the subnet:

Binary ANDing

Host and Default Gateway Subnet Issues

5. Refer to the exhibit. A host is connected to the LAN. The default gateway is on a different subnet than the host.

Assigning a Subnet Mask to 172.30.1.0

6. What subnet mask should a network administrator assign to network address 172.30.1.0 if...?

255.255.255.0

Identifying Private IP Addresses

7. Which three IP addresses are private? (Choose three.)

• 10.35.66.70
• 192.168.99.5
• 172.18.88.90

Analyzing IP Address 172.16.134.64

8. Given the IP address and subnet mask 172.16.134.64 255.255.255.224, which of the following describes this address?

This is a network address.

Router Interface Network Address Calculation

9. A router interface is assigned an IP address 172.16.192.166 with a mask of 255.255.255.248.

172.16.192.160

Subnetting 192.168.10.0 with a /29 Mask

10. Refer to the exhibit. The network administrator has assigned an address range of 192.168.10.0. This address range has been subnetted using a /29 mask.

• IP Address: 192.168.10.38
• Subnet Mask: 255.255.255.248
• Default Gateway: 192.168.10.33

Devices Requiring Static IP Addresses

11. For which of the following network devices is it recommended to assign static IP addresses? (Choose three.)

• Servers
• Network printers
• Routers

Key Features of IPv6

12. Which of the following are features of IPv6? (Choose three.)

• Larger address space
• Data types and classes of service
• Authentication and encryption

Primary Reason for IPv6 Development

13. What is the main reason for the development of IPv6?

Capacity expansion to meet global demand.

ICMP Packet Handling and TTL Values

14. What two things happen if a router receives an ICMP packet with a TTL value of 1 and the destination host is several hops away? (Choose two.)

• The router will discard the packet.
• The router will send a Time Exceeded message to the source host.

Ping 127.0.0.1 Feedback Analysis

15. Refer to the exhibit. Why is feedback shown after running the command ping 127.0.0.1 on a PC?

The Internet Protocol is not properly installed on the host.

IPv4 Address Bit Length

16. How many bits make up an IPv4 address?

32 bits

Troubleshooting Host Internet Connectivity

17. Refer to the exhibit. A network administrator discovers that a host has a problem with its Internet connection, but the local network has full connectivity.

NAT is required for the host network.

Facts About IPv4 Network Addresses

18. Which three facts are true about IPv4 network addresses?

• It is identical for all hosts in a broadcast domain.
• It varies in length.
• It is used to forward packets.

Defining a Network Group of Hosts

19. What is a group of hosts called that share the same high-order bit patterns in their addresses?

Network

Binary Network Address for 172.25.67.99/23

20. What is the network address of the host 172.25.67.99 / 23 in binary?

10101100.00011001.01000010.00000000

IP Addressing Scheme for 192.168.1.0/24

21. Refer to the exhibit. A network administrator must develop an IP addressing scheme that uses the 192.168.1.0 / 24 address space.

255.255.255.192