Module 11-13 Exam

Question 1

What is the usable number of host IP addresses on a network that has a /26 mask?

Answer 1

62

Question 2

Match each IPv4 address to the address category.

Answer 2

Host Address:
192.168.100.161/25
203.0.113.100/24

Network Address:
172.110.12.64/28
10.10.10.128/25

Broadcast Address
192.168.1.191/26
10.0.0.159/26

Question 3

A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that?

Answer 3

192.168.1.64/27
192.168.1.96/28

Question 4

How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?

Answer 4

1022

Question 5

How many bits must be borrowed from the host portion of an adddress to accommodate a router with five connected networks?

Answer 5

Three

Question 6

What three blocks of addresses are defined by the RFC 1918 for private network use?

Answer 6

10.0.0.0/8
172.16.0.0/12
192.168.0.0/16

Question 7

Which IPv6 prefix is reserved for communication between devices on the same link?

Answer 7

FE80::/10

Question 8

Given IPv6 address prefix 2001:db8::/48, what will be the last subnet that is created if the subnet prefix is changed to /52?

Answer 8

2001:db8:0:f000::/52

Question 9

An IPv6 enabled device sends a data packet with the destination address of FF02::1. What is the target of this packet?

Answer 9

All IPv6 enabled devices on the local link or network

Question 10

What are two types of IPv6 unicast addresses?

Answer 10

Loopback & link local

Question 11

What is used in the EUI-64 process to create an IPv6 interface ID on an IPv6 enabled interface?

Answer 11

The MAC address of the IPv6 enabled interface

Question 12

Match the IPv6 address with the type

Answer 12

FF02::1 - All node multicast
2001:DB8::BAF:3F57:FE94 - Global unicast
FF02::1:FFAE:F85F - Solicited node multicast

Question 13

Three methods allow IPv6 and IPv4 to co exist. Match each method.

Answer 13

The IPv4 packets and IPv6 packets coexist in the same network - Dual Stack

The IPv6 packet is transported inside an IPv4 packet - Tunneling

IPv6 packets are converted into IPv4 packets, and vice versa - Translation

Question 16

Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record available of IPv6 addresses?

Answer 16

SLAAC

Question 17

Which type of IPv6 address refers to any unicast address that is assigned to multiple hosts?

Answer 17

Anycast

Question 18

What is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64

Answer 18

2001:DB8:BC15:A

Question 20

Which protocol is used by the trace route command to send and receive echo requests and echo replies?

Answer 20

ICMP

Question 21

What is the purpose of ICMP messages?

Answer 21

To provide feedback of IP packet transmissions

Question 22

A user executes a trace route over IPv6. At what point would a router in the path to the destination drop the packet?

Answer 22

?

Question 23

What is the prefix length notation for the subnet mask 255.255.255.224?

Answer 23

/27

Question 24

Match each description to an IP address

Answer 24

A private address - 172.19.20.5
An experimental address - 240.2.6.255
A loopback address - 127.0.0.1
A TEST-NET address - 192.0.2.123
A link local address - 169.254.1.5

Question 25

A host is transmitting a broadcast. Which host or hosts will receive it?

Answer 25

All hosts in the same subnet

Question 26

Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0ab8:0001:0000:1000 ?

Answer 26

2001:db8::ab8:1:0:1000

Question 27

A user issues a ping 192.135.250.103 command and receives a response that includes a code of 1. What does this code represent?

Answer 27

Host unreachable