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Modules 11-13 IP Addressing

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

/25

/26

/27

/28

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

254

190

192

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

255.255.255.0

255.255.255.128

255.255.255.224

255.255.255.240

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

5. Match the subnetwork to a host address that would be included within the subnetwork. (Not all options are used.)

Did you memorize this?

Yes

6. 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 192.168.1.64 subnet mask 255.255.255.192

Subnetwork 192.168.1.32 subnet mask 255.255.255.240

Subnetwork 192.168.1.64 subnet mask 255.255.255.240

Subnetwork 192.168.1.128 subnet mask 255.255.255.192

Subnetwork 192.168.1.8 subnet mask 255.255.255.224

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

Two

Three

Four

Five

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

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

510

512

1022

1024

2046

2048

10. Match each IPv4 address to the appropriate address category. (Not all options are used.)

Did you memorize this?

Yes

11. 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

100.64.0.0/14

169.254.0.0/16

239.0.0.0/8

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

172.16.16.255

172.16.20.255

172.16.19.255

172.16.23.255

172.16.255.255

13. 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?

255.255.255.0

255.255.255.128

255.255.255.224

255.255.255.240

14. Refer to the exhibit. 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?

10.16.10.160/26

10.16.10.128/28

10.16.10.64/27

10.16.10.224/26

10.16.10.240/27

10.16.10.240/28

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

256

254

16. Which address prefix range is reserved for IPv4 multicast?

240.0.0.0 – 254.255.255.255

224.0.0.0 – 239.255.255.255

169.254.0.0 – 169.254.255.255

127.0.0.0 – 127.255.255.255

17. 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.

CCNA1-v7-ITN-IP-Addressing-Exam-Answers-003-1536x754-1

Yes

18. 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 loopback address.

This is a link-local address.

This is a private IP address.

There is an IP address conflict.

19. 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

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

Limited broadcast

Multicast

Directed broadcast

Unicast

21. 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

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

FEC8:1::FFFF

FD80::1:1234

FE80::1:4545:6578:ABC1

FE0A::100:7788:998F

FC90:5678:4251:FFFF

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

3FFE:1044::AB::57

3FFE:1044::00AB::0057

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

3FFE:1044:0:0:00AB::0057

3FFE:1044:0000:0000:00AB::57

3FFE:1044:0000:0000:00AB::0057

24. 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?

256

4096

65536

25. 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:f00::/52

2001:db8:0:8000::/52

2001:db8:0:f::/52

2001:db8:0:f000::/52

26. Consider the following range of addresses:

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

This is a writen question I can't do this on here.

27. What type of IPv6 address is FE80::1?

Loopback

Link-local

Multicast

Global unicast

28. 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 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 routers. With such a scheme, what is the maximum number of subnets achieved per sub-site?

256

29. 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 randomly generated 64-bit hexadecimal address

An IPv6 address that is provided by a DHCPv6 server

An IPv4 address that is configured on the interface

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

2001:DB8:BC15

2001:DB8:BC15:A

2001:DB8:BC15:A:1

2001:DB8:BC15:A:12

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

The one IPv6 device on the link that has been uniquely configured with this address

All IPv6 enabled devices on the local link or network

Only IPv6 DHCP servers

Only IPv6 configured routers

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

CCNA1-v7-ITN-IP-Addressing-Exam-Answers-004-1536x987-1

Did you memorize this?

Yes

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

FC00::/7

2001::/32

FE80::/10

FDFF::/7

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

Unique local

Global unicast

Link-local

Anycast

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

Multicast

Loopback

Link-local

Anycast

Broadcast

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

Stateful DHCPv6

SLAAC

Static IPv6 addressing

Stateless DHCPv6

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

ARPv6

DHCPv6

ICMPv6

UDP

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

Did you memorize this?

Yes

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

The TCP/IP stack on a network host

Connectivity between two adjacent Cisco devices

Connectivity between a PC and the default gateway

Connectivity between two PCs on the same network

Physical connectivity of a particular PC and the network

40. 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?

PC2

SW2

SW1

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

SNMP

ICMP

Telnet

TCP

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

Network unreachable

Time exceeded

Protocol unreachable

Port unreachable

43. 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 255

When the value of the Hop Limit field reaches zero

When the router receives an ICMP time exceeded message

When the target host responds with an ICMP echo reply message

44. What is the purpose of ICMP messages?

To inform routers about network topology changes

To ensure the delivery of an IP packet

To provide feedback of IP packet transmissions

To monitor the process of a domain name to IP address resolution

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

The highest configured IP address on the router

A loopback IP address

The IP address of the outbound interface

The lowest configured IP address on the router

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

Did you memorize this?

Yes

47. 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

Protocol unreachable

Port unreachable

Network unreachable

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

192.168.1.64/26

192.168.1.32/27

192.168.1.32/28

192.168.1.64/29

49. 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:DB8:1:1::A

2001:DB8:1:2::2

2001:DB8:1:2::1

2001:DB8:1:3::1

2001:DB8:1:3::2

2001:DB8:1:4::1

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

All hosts in the same subnet

A specially defined group of hosts

The closest neighbor on the same network

All hosts on the Internet

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

One specific host

A specially defined group of hosts

All hosts on the Internet

The closest neighbor on the same network

52. 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

Network unreachable

Host unreachable

Protocol unreachable

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

A specially defined group of hosts

The closest neighbor on the same network

One specific host

Directly connected network devices

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

2001:db8::a0b0:8:1

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

2001:db80:0:1::80:1

2001:db80:::1::80:1

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

Fe80:9ea:0:2200::fe0:290

Fe80:9:20::b000:290

Fe80:9ea0::2020:0:bf:e0:9290

Fe80:9ea0::2020::bf:e0:9290

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

2002:42:10:c400::909

200:420:110:c4b::910:0:90

2002:4200::25:1090:0:99

2002:42::25:1090:0:99

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

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

2001:db8::a0b0:8:1

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

2001:db8:0:1::8:1

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

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

2002:42:10:c400::909

2002:4200::25:1090:0:99

2002:42::25:1090:0:99

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

2001:db8::a0b0:8:1

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

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

2001:db8:0:1::8:1

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

Fe80::220:b3f:f0e0:29

Fe80:9ea:0:2200::fe0:290

Fe80:9ea0::2020:0:bf:e0:9290

Fe80:9ea0::2020::bf:e0:9290

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

2001:db8::a0b0:8:1

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

2001:db80:0:1::80:1

2001:db8:0:1::8:1

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

2002:42:10:c400::909

2002:4200::25:1090:0:99

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

2002:42::25:1090:0:99

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

Fe80:9ea:0:2200::fe0:290

Fe80:9ea0::2020:0:bf:e0:9290

Fe80::220:b3f:f0e0:29

Fe80::0220:0b3f:f0e0:0029

70. 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

Communication with the destination administratively prohibited

Address unreachable

No route to destination

71. 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

Beyond scope of the source address

Address unreachable

Communication with the destination administratively prohibited

72. 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

Communication with the destination administratively prohibited

Beyond scope of the source address

No route to destination

73. 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

Protocol unreachable

Port unreachable

Host unreachable

74. 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

Host unreachable

Protocol unreachable

Network unreachable

75. 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

Protocol unreachable

Port unreachable

Host unreachable

76. 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

Host unreachable

Protocol unreachable

Network unreachable

77. 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

Host unreachable

Protocol unreachable

Network unreachable

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