Networking 11-13

How many bits must be borrowed from the host portion of an address to accommodate a router with 5 connected networks?

3

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

directed broadcast

Three methods allow IPv6 and IPv4 to co-exist. Match each method with its description. (Not all options are used.)

The IPv4 and IPv6 packets coexist in same network - dual stack IPv6 is transported inside an IPv4 packet - tunneling IPv6 packets converted into IPv4 packets and vice versa - translation

What 3 blocks of addresses are defined by RFC 1918 for private network use

10.0.0.0/8 172.16.0.0/12 192.168.0.0/16

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

192.168.1.64/26

Match each IPv4 address to the appropriate address category.

192.168.100.161/25 - 1st target host address 192.168.1.191/26 - 1st broadcast address 10.10.10.128/25 - 1st network address 224.10.0.254/24 - unused 203.0.113.229/24 - 2nd host address 172.110.12.64/28 - 2nd network address 10.0.0.159/27 - 2nd broadcast address

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 2001:0db8:0000:0000:0000:a0b0:0008:0001?

2001:db8::a0b0:8:1

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

255.255.255.128

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

fe80::220:b3f:f0e0:29

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

the IP address of the outbound interface

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. What are the three IPv6 addresses displayed when the route from PC1 to PC2 is traced? (Choose three.)

-2001:DB8:1:1::1 -2001:DB8:1:2::1 -2001:DB8:1:3::2

Refer to exhibit. Considering the addresses already use and having to remain within in 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 hosts addresses are available on the 192.168.10.128/26 network

62

How many valid hosts addresses are available on an IPv4 subnet that is configured with a /25 mask

62

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

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

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

Which address prefix range is reserved for IPv4 multicast?

224.0.0.0 to 239.255.255.255

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

255.255.255.224

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

FE80::/10

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

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

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

anycast

What is the prefix length notation for the subnet mask 255.255.255.224

/27

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

1022

What is the useable number of host op addresses on a network that has a /26 mask

62

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

FE80::1:4545:6578:ABC1

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

ICMP

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 .

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

all hosts in the same subnet

Refer to exhibit. An administrator must send a message to everyone on the router A network. What is the broadcast address for network 172.16.16.0/23

172.16.19.255

Which three addresses are valid public addresses?

198.133.219.17 128.107.12.117 64.104.78.227

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

SLAAC

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

a specially defined group of hosts

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

What is the purpose of ICMP messages?

to provide feedback of IP packet transmissions

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

2001:DB8:BC15:A

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.)

-192.168.1.64/27 -192.168.1.96/28

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

2002:42:10:c400::909

Refer to the exhibit. 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 is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?

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

. 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

Match the subnetwork to a host address that would be included within the subnetwork

192.168.1.32/27 - 193.168.1.48 192.168.1.64/27 - 193.168.1.68 192.168.1.96/27 - 192.168.1.121

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

4

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

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

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 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

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

one specific host

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

Match each description with an appropriate IP address. (Not all options are used.)

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

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

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

the TCP/IP stack on a network host

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

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

16

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

ICMPv6

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

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

an administrator wants to create 4 subnet works from the network address 192.168.2.0/24. What is the network address and subnet mask or the second useable subnet?

Subnet 192.168.1.64 Subnet mask 255.255.255.192

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 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

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

loopback link-local

Refer to the exhibit. Match the network with the correct IP address and prefix that will satisfy the usable host addressing requirements for each network. (Not all options are used.)

Network A needs to use 192.168.0.0 /25 which yields 128 host addresses. Network B needs to use 192.168.0.128 /26 which yields 64 host addresses. Network C needs to use 192.168.0.192 /27 which yields 32 host addresses. Network D needs to use 192.168.0.224 /30 which yields 4 host addresses.

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.

What type of IPv6 address is FE80::1?

link-local

Match the IPv6 address with the IPv6 address type. (Not all options are used.)

2001:DB8::BAF:3F57:FE94 - global unicast FF02::1 - all node multicast ::1 - loopback FF02::1:FFAE:F85F - solicited node multicast