Modules 11-13: IP Addressing

What is used in the EUI-64 process to create an IPv6 interface ID on an IPv4 enabled interface?

the MAC address of the IPv6 enabled interface

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

2001:db8::a0b0:8:1

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

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

Subnetwork of 192.168.1.32/27 matches the host address of:

192.168.1.48

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

192.168.1.64/26

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

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

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

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

FE80::/10

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

FE80::1:4545:6578:ABC1

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

ICMP

Which protocol supports SLAAC for dynamic assignment of IPv6 addresses to a host?

ICMPv6

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

subnetwork 192.168.1.64 subnet mask 255.255.255.192

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

the IP address of the outbound interface

What is the purpose of ICMP messages?

to provide feedback of IP packet transmissions

What is the IP address for Network A?

/25

What is the IP address for Network B?

/26

What is the IP address for Network C?

/27

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

/27

What is the IP address for Network D?

/30

The prefix-length for the range of addresses is:

/60

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

1) 10.0.0.0/8 2) 172.16.0.0/12 3) 192.168.0.0/16

What are appropriate network addresses:

1) 10.10.10.128/25 2) 172.110.12.64/28

What are appropriate broadcast addresses:

1) 192.168.1.191/26 2) 10.0.0.159/27

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 host respectively. Which two networks would achieve that?

1) 192.168.1.64/27 2) 192.168.1.96/28

What are appropriate host addresses:

1) 192.168.100.161/25 2) 203.0.113.100/24

Which three addresses are valid public addresses?

1) 198.133.219.17 2) 128.107.12.117 3) 64.104.78.227

What are three IPv6 addresses displayed when the router from PC1 to PC2 is traced?

1) 2001:DB8:1:1::1 2 2001:DB8:1:2::1 3) 2001:DB8:1:3::2

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

An administrator is trying to troubleshoot connectivity between PC1 and PC2 and uses the tracert command from PC1 to do it. Based on the displayed output, where should the administrator begin troubleshooting?

R1

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

SLAAC

1192.0.2.123 is what kind of address?

a TEST-NET

169.254.1.5 is what kind of address?

a link-local

172.19.20.5 is what kind of address?

a private

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

a specially defined group of hosts

What type of IPv6 address is: FF02::1

all node multicast

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

directed broadcast

What type of IPv6 address is FE80::1?

link-local

127.0.0.1 is what kinda of address?

loopback

What type of IPv6 address is: ::1

loopback

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

one specific host

A code of 4 represents what?

post unreachable

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

three

What means the IPv4 packets and IPv6 packets coexist in the same network?

dual-stack

What are two types of IPv6 unicast addresses?

1) loopback 2) link-local

Considering the addresses already used 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

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

1022

A company is deploying an IPv6 addressing scheme for its network. The company design document indicated that the subnet portion of the IPv6 addresses is used for the new hierarchical network designs, with the site subsection to represent multiple geographical sites of the company, the sub-site section to represent multiple campuses at each site and the subnet section to indicate each network segment separated by router. With such a scheme, what is the maximum number of subnets achieved by sub-site?

16

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

Subnetwork of 192.168.1.96/27 matches the host address of:

192.168.1.121

Subnetwork of 192.168.1.64/27 matches the host address of:

192.168.1.68

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

2001:DB8:BC15:A

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

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

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 host addresses are available on the 192.168.10.128/26 network?

62

A code of 3 represents what?

address unreachable

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

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

all hosts in the same subnet

240.2.6.255 is what kind of address?

an experimental

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

anycast

A code of 2 represents what?

beyond scope of the source

What type of IPv6 address is: 2001:DB8::BAF:3F57:FE94

global unicast

A code of 1 represents what?

host unreachable

A code of 0 represents what?

network unreachable

What type of IPv6 address is: FF02::1:FFAE:F85F

solicited node multicast

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

the TCP/Ip stack on a network host

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

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

What means IPv6 packets are converted into IPv4 packets and vice versa?

translation

What means the IPv6 packet is transported inside an IPv4 packet?

tunneling

A user executes a trace route 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