Modules 11 - 13: IP Addressing Exam

Which three addresses are valid public addresses? (Choose three.)

198.133.219.17* 192.168.1.245 10.15.250.5 128.107.12.117* 172.31.1.25 64.104.78.227*

Which is the compressed format of the IPv6 address 2002:0042:0010:c400:0000:0000:0000:0909?

2002:42:10:c400::909

Which address prefix range is reserved for IPv4 multicast?

224.0.0.0 - 239.255.255.255

Which subnet mask would be used if 5 host bits are available?

255.255.255.224

How many host addresses are available on the 192.168.10.128/26 network?

62

ff02::1

All-nodes multicast address.

Tunneling, one of three methods that allow IPv6 and IPv4 to coexist

The IPv6 packet is transported inside and IPv4 packet.

Which address is a valid IPv6 link-local unicast address?

FEC8:1::FFFF FD80::1:1234 FE80::1:4545:6578:ABC1* FE0A::100:7788:998 FFC90:5678:4251:FFFF

Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host?

ICMPv6

Translation, one of three methods that allow IPv6 and IPv4 to coexist

IPv6 packets are converted to IPv4 packets and vice versa.

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

1022

Which subnet would include the address 192.168.1.96 as a usable host address?

192.168.1.64/26

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

a specially defined group of hosts

A user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 3. What does this code represent?

address unreachable

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

all hosts in the same subnet

A user issues a ping 2001:db8:FACE:39::10 command and receives a response that includes a code of 2. What does this code represent?

beyond scope of the source address

Which is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?

fe80:9ea:0:2200::fe0:290

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

fe80::/10

2001:DB8::BAF:3F57:FE94

global unicast

::1

loopback

ff02::1:ffae:f85f

solicited node multicast

What is the purpose of ICMP messages?

to provide feedback of IP packet transmissions

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

/27

Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0000:a0b0:0008:0001?

2001:db8::a0b0:8:1

Which of these addresses is the shortest abbreviation for the IP address:3FFE:1044:0000:0000:00AB:0000:0000:0057?

3FFE:1044:0:0:AB::57

Which protocol is used by IPv4 and IPv6 to provide error messaging?

ICMP

Dual-Stack, one of three methods that allow IPv6 and IPv4 to coexist

The IPv4 packets and IPv6 packets coexist in the same network.

A user issues a ping 2001:db8:FACE:39::10 command and receives a response that includes a code of 2 . What does this code represent?

beyond scope of the source address

A network administrator has received the IPv6 prefix 2001:DB8::/48 for subnetting. Assuming the administrator does not subnet into the interface ID portion of the address space, how many subnets can the administrator create from the /48 prefix?

65536

Which protocol is used by the traceroute command to send and receive echo-requests and echo-replies?

ICMP

PC1 192.168.1.1 running tracert to 10.1.0.2 has last valid IP address of 192.168.1.254. Which device?

R1, the default gateway for that LAN.

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

all IPv6 enabled devices on the local link​ or network

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

anycast

Which is the compressed format of the IPv6 address fe80:0000:0000:0000:0220:0b3f:f0e0:0029?

fe80::220:b3f:f0e0:29

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?

host unreachable

What source IP address does a router use by default when the traceroute command is issued?

the IP address of the outbound interface

Which ICMPv6 message is sent when the IPv6 hop limit field of a packet is decremented to zero and the packet cannot be forwarded?

time exceeded

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

3

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

SLAAC

A high school in New York (school A) is using videoconferencing technology to establish student interactions with another high school (school B) in Russia. The videoconferencing is conducted between two end devices through the Internet. The network administrator of school A configures the end device with the IP address 209.165.201.10. The administrator sends a request for the IP address for the end device in school B and the response is 192.168.25.10. Neither school is using a VPN. The administrator knows immediately that this IP will not work. Why?

This is a private IP address

A message is sent to all hosts on a remote network. Which type of message is it?

directed broadcast

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

one specific host

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

the MAC address of the IPv6 enabled interface

2001:0DB8:BC15:00A0:0000:: 2001:0DB8:BC15:00A1:0000:: 2001:0DB8:BC15:00A2:0000:: ... 2001:0DB8:BC15:00AF:0000:: The prefix-length for the range of addresses is

/60 All the addresses have the part 2001:0DB8:BC15:00A in common. Each number or letter in the address represents 4 bits, so the prefix-length is /60.

What three blocks of addresses are defined by RFC 1918 for private network use? (Choose three.)

10.0.0.0/8 172.16.0.0/12 192.168.0.0/16

Considering the addresses already used (10.16.10.0/26 and 10.16.10.192/28) and having to remain within the 10.16.10.0/24 network range, which subnet address could be assigned to the network containing 25 hosts?

10.16.10.64/27

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

when the value of the Hop Limit field reaches zero

A network administrator subnets the 192.168.10.0/24 network into subnets with /26 masks. How many equal-sized subnets are created?

4

How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?

62

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

62

A user issues a ping 2001:db8:FACE:39::10 command and receives a response that includes a code of 3. What does this code represent?

address unreachable

2001:db8:1234:xxxy::/64 where y represents the subnet portion, how many subnets?

16, Because only one hexadecimal character is used to represent the subnet, that one character can represent 16 different values 0 through F.

An administrator must send a message to everyone on the router A network. What is the broadcast address for network 172.16.16.0/22?

172.16.19.255

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? (Choose two.)

192.168.1.16/28 192.168.1.64/27* 192.168.1.128/27 192.168.1.96/28* 192.168.1.192/28

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

2001:DB8:BC15:A

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

2001:db8:0:f000::/52

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

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

Which is the compressed format of the IPv6 address 2002:0420:00c4:1008:0025:0190:0000:0990?

2002:420:c4:1008:25:190::990

A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?

255.255.255.128

What type of IPv6 address is FE80::1?

loopback linklocal* multicast global unicast

What are two types of IPv6 unicast addresses? (Choose two.)

multicast loopback* link-local* anycast broadcast

A user issues a ping 10.10.14.67 command and receives a response that includes a code of 0. What does this code represent?

network unreachable

A user issues a ping 198.133.219.8 command and receives a response that includes a code of 0. What does this code represent?

network unreachable

A user issues a ping 2001:db8:3040:114::88 command and receives a response that includes a code of 4. What does this code represent?

port unreachable

A user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 4. What does this code represent?

port unreachable

An administrator wants to create four subnetworks from the network address 192.168.1.0/24. What is the network address and subnet mask of the second useable subnet?

subnetwork 192.168.1.64subnet mask 255.255.255.192

A technician uses the ping 127.0.0.1 command. What is the technician testing?

the TCP/IP stack on a network host