CCNA 1 v7 Modules 11 – 13 Exam Online
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CCNA 1 v7.0 Modules 11 – 13 Test Online
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Question 1 of 77
1. Question
1 pointsWhat is the prefix length notation for the subnet mask 255.255.255.224?
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Hint
Explanation: The binary format for 255.255.255.224 is 11111111.11111111.11111111.11100000. The prefix length is the number of consecutive 1s in the subnet mask. Therefore, the prefix length is /27.
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Question 2 of 77
2. Question
1 pointsHow many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?
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Question 3 of 77
3. Question
1 pointsWhich subnet mask would be used if 5 host bits are available?
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Question 4 of 77
4. Question
1 pointsA network administrator subnets the 192.168.10.0/24 network into subnets with /26 masks. How many equal-sized subnets are created?
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Question 5 of 77
5. Question
3 pointsMatch the subnetwork to a host address that would be included within the subnetwork. (Not all options are used.)
Sort elements
- 192.168.1.48
- 192.168.1.68
- 192.168.1.121
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192.168.1.32/27
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192.168.1.64/27
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192.168.1.96/27
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Question 6 of 77
6. Question
1 pointsAn 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?
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Question 7 of 77
7. Question
1 pointsHow many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks?
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Hint
Explanation: Each network that is directly connected to an interface on a router requires its own subnet. The formula 2n, where n is the number of bits borrowed, is used to calculate the available number of subnets when borrowing a specific number of bits.
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Question 8 of 77
8. Question
1 pointsHow many host addresses are available on the 192.168.10.128/26 network?
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Hint
Explanation: A /26 prefix gives 6 host bits, which provides a total of 64 addresses, because 26 = 64. Subtracting the network and broadcast addresses leaves 62 usable host addresses.
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Question 9 of 77
9. Question
1 pointsHow many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?
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Hint
Explanation: A mask of 255.255.252.0 is equal to a prefix of /22. A /22 prefix provides 22 bits for the network portion and leaves 10 bits for the host portion. The 10 bits in the host portion will provide 1022 usable IP addresses (210 – 2 = 1022).
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Question 10 of 77
10. Question
6 pointsMatch each IPv4 address to the appropriate address category. (Not all options are used.)
Sort elements
- Host address
- Broadcast address
- Network address
- Host address
- Network address
- Broadcast address
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192.168.100.161/25
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192.168.1.191/26
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10.10.10.128/25
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203.0.113.100/24
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172.110.12.64/28
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10.0.0.159/27
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Question 11 of 77
11. Question
6 pointsWhat three blocks of addresses are defined by RFC 1918 for private network use? (Choose three.)
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Hint
Explanation: RFC 1918, Address Allocation for Private Internets, defines three blocks of IPv4 address for private networks that should not be routable on the public Internet.
10.0.0.0/8
172.16.0.0/12
192.168.0.0/16 -
Question 12 of 77
12. Question
1 pointsRefer 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?
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Hint
Explanation: The 172.16.16.0/22 network has 22 bits in the network portion and 10 bits in the host portion. Converting the network address to binary yields a subnet mask of 255.255.252.0. The range of addresses in this network will end with the last address available before 172.16.20.0. Valid host addresses for this network range from 172.16.16.1-172.16.19.254, making 172.16.19.255 the broadcast address.
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Question 13 of 77
13. Question
1 pointsA 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?
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Hint
Explanation: The subnet mask of 255.255.255.0 has 8 host bits. The mask of 255.255.255.128 results in 7 host bits. The mask of 255.255.255.224 has 5 host bits. Finally, 255.255.255.240 represents 4 host bits.
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Question 14 of 77
14. Question
1 pointsRefer 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?
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Hint
Explanation: Addresses 10.16.10.0 through 10.16.10.63 are taken for the leftmost network. Addresses 10.16.10.192 through 10.16.10.207 are used by the center network.The address space from 208-255 assumes a /28 mask, which does not allow enough host bits to accommodate 25 host addresses.The address ranges that are available include 10.16.10.64/26 and10.16.10.128/26. To accommodate 25 hosts, 5 host bits are needed, so a /27 mask is necessary. Four possible /27 subnets could be created from the available addresses between 10.16.10.64 and 10.16.10.191:
10.16.10.64/27
10.16.10.96/27
10.16.10.128/27
10.16.10.160/27 -
Question 15 of 77
15. Question
1 pointsWhat is the usable number of host IP addresses on a network that has a /26 mask?
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Question 16 of 77
16. Question
1 pointsWhich address prefix range is reserved for IPv4 multicast?
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Question 17 of 77
17. Question
4 pointsRefer to the exhibit.
Match the network with the correct IP address and prefix that will satisfy the usable host addressing requirements for each network.
Sort elements
- 192.168.0.96/27
- 192.168.0.128/25
- 192.168.0.30/26
- 192.168.0.0/26
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Network A
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Network B
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Network C
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Network D
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Hint
Explanation: Network A needs to use 192.168.0.128 /25, which yields 128 host addresses.
Network B needs to use 192.168.0.0 /26, which yields 64 host addresses.
Network C needs to use 192.168.0.96 /27, which yields 32 host addresses.
Network D needs to use 192.168.0.80/30, which yields 4 host addresses. -
Question 18 of 77
18. Question
1 pointsA 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?
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Question 19 of 77
19. Question
6 pointsWhich three addresses are valid public addresses? (Choose three.)
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Hint
Explanation: The ranges of private IPv4 addresses are as folllows:
10.0.0.0 – 10.255.255.255
172.16.0.0 – 172.31.255.255
192.168.0.0 – 192.168.255.255 -
Question 20 of 77
20. Question
1 pointsA message is sent to all hosts on a remote network. Which type of message is it?
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Hint
Explanation: A directed broadcast is a message sent to all hosts on a specific network. It is useful for sending a broadcast to all hosts on a nonlocal network. A multicast message is a message sent to a selected group of hosts that are part of a subscribing multicast group. A limited broadcast is used for a communication that is limited to the hosts on the local network. A unicast message is a message sent from one host to another.
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Question 21 of 77
21. Question
5 pointsA 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.)
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Question 22 of 77
22. Question
1 pointsWhich address is a valid IPv6 link-local unicast address?
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Hint
Explanation: IPv6 LLAs are in the fe80::/10 range. The /10 indicates that the first 10 bits are 1111 1110 10xx xxxx. The first hextet has a range of 1111 1110 1000 0000 (fe80) to 1111 1110 1011 1111 (febf).
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Question 23 of 77
23. Question
1 pointsWhich of these addresses is the shortest abbreviation for the IP address:
3FFE:1044:0000:0000:00AB:0000:0000:0057?Correct
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Hint
Explanation: The rules for reducing the notation of IPv6 addresses are:
1. Omit any leading 0s (zeros) in any hextet.
2. Replace any single, contiguous string of one or more 16-bit hextets consisting of all zeros with a double colon (::) .
3. The double colon (::) can only be used once within an address. -
Question 24 of 77
24. Question
3 pointsA 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?
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Hint
Explanation: With a network prefix of 48, there will be 16 bits available for subnetting because the interface ID starts at bit 64. Sixteen bits will yield 65536 subnets.
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Question 25 of 77
25. Question
1 pointsGiven IPv6 address prefix 2001:db8::/48, what will be the last subnet that is created if the subnet prefix is changed to /52?
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Hint
Explanation: Prefix 2001:db8::/48 has 48 network bits. If we subnet to a /52, we are moving the network boundary four bits to the right and creating 16 subnets. The first subnet is 2001:db8::/52 the last subnet is 2001:db8:0:f000::/52.
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Question 26 of 77
26. Question
1 pointsConsider the following range of addresses:
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Hint
Explanation: 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.
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Question 27 of 77
27. Question
1 pointsWhat type of IPv6 address is FE80::1?
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Question 28 of 77
28. Question
1 pointsRefer 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?
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Hint
Explanation: Because only one hexadecimal character is used to represent the subnet, that one character can represent 16 different values 0 through F.
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Question 29 of 77
29. Question
1 pointsWhat is used in the EUI-64 process to create an IPv6 interface ID on an IPv6 enabled interface?
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Hint
Explanation: The EUI-64 process uses the MAC address of an interface to construct an interface ID (IID). Because the MAC address is only 48 bits in length, 16 additional bits (FF:FE) must be added to the MAC address to create the full 64-bit interface ID.
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Question 30 of 77
30. Question
1 pointsWhat is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64?
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Question 31 of 77
31. Question
1 pointsAn IPv6 enabled device sends a data packet with the destination address of FF02::1. What is the target of this packet?
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Question 32 of 77
32. Question
4 pointsMatch the IPv6 address with the IPv6 address type. (Not all options are used.)
Sort elements
- Global unicast
- All node multicast
- loopback
- Solicited node multicast
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2001:DB8::BAF:3F57:FE94
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FF02::1
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::1
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FF02::1:FFAE:F85F
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Hint
Explanation: FF02::1:FFAE:F85F is a solicited node multicast address.
2001:DB8::BAF:3F57:FE94 is a global unicast address.
FF02::1 is the all node multicast address. Packets sent to this address will be received by all IPv6 hosts on the local link.
::1 is the IPv6 loopback address.
There are no examples of link local or unique local addresses provided. -
Question 33 of 77
33. Question
1 pointsWhich IPv6 prefix is reserved for communication between devices on the same link?
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Hint
Explanation: IPv6 link-local unicast addresses are in the FE80::/10 prefix range and are not routable. They are used only for communications between devices on the same link.
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Question 34 of 77
34. Question
1 pointsWhich type of IPv6 address refers to any unicast address that is assigned to multiple hosts?
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Question 35 of 77
35. Question
5 pointsWhat are two types of IPv6 unicast addresses? (Choose two.)
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Hint
Explanation: Multicast, anycast, and unicast are types of IPv6 addresses. There is no broadcast address in IPv6. Loopback and link-local are specific types of unicast addresses.
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Question 36 of 77
36. Question
1 pointsWhich service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available IPv6 addresses?
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Hint
Explanation: Using stateless address autoconfiguration (SLAAC), a PC can solicit a router and receive the prefix length of the network. From this information the PC can then create its own IPv6 global unicast address.
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Question 37 of 77
37. Question
1 pointsWhich protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host?
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Hint
Explanation: SLAAC uses ICMPv6 messages when dynamically assigning an IPv6 address to a host. DHCPv6 is an alternate method of assigning an IPv6 addresses to a host. ARPv6 does not exist. Neighbor Discovery Protocol (NDP) provides the functionality of ARP for IPv6 networks. UDP is the transport layer protocol used by DHCPv6.
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Question 38 of 77
38. Question
3 pointsThree methods allow IPv6 and IPv4 to co-exist. Match each method with its description. (Not all options are used.)
Sort elements
- Dual-Stack
- Tunneling
- translation
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The IPv4 packets and IPv6 packets coexist in the same network
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The IPv6 packet transported inside an IPv4 packet
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IPv6 packets are converted into IPv4 packets, and vice versa
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Question 39 of 77
39. Question
1 pointsA technician uses the ping 127.0.0.1 command. What is the technician testing?
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Question 40 of 77
40. Question
1 pointsRefer 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?
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Question 41 of 77
41. Question
1 pointsWhich protocol is used by the traceroute command to send and receive echo-requests and echo-replies?
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Hint
Explanation: Traceroute uses the ICMP (Internet Control Message Protocol) to send and receive echo-request and echo-reply messages.
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Question 42 of 77
42. Question
1 pointsWhich ICMPv6 message is sent when the IPv6 hop limit field of a packet is decremented to zero and the packet cannot be forwarded?
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Question 43 of 77
43. Question
1 pointsA user executes a traceroute over IPv6. At what point would a router in the path to the destination device drop the packet?
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Question 44 of 77
44. Question
1 pointsWhat is the purpose of ICMP messages?
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Hint
Explanation: The purpose of ICMP messages is to provide feedback about issues that are related to the processing of IP packets.
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Question 45 of 77
45. Question
1 pointsWhat source IP address does a router use by default when the traceroute command is issued?
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Hint
Explanation: When sending an echo request message, a router will use the IP address of the exit interface as the source IP address. This default behavior can be changed by using an extended ping and specifying a specific source IP address.
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Question 46 of 77
46. Question
5 pointsMatch each description with an appropriate IP address. (Not all options are used.)
Sort elements
- 172.19.20.5
- 127.0.0.1
- 240.2.6.255
- 192.0.2.123
- 169.254.1.5
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A private address
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A loopback address
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An experimental address
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A TEST-NET address
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A link - local address
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Hint
Explanation: Link-Local addresses are assigned automatically by the OS environment and are located in the block 169.254.0.0/16. The private addresses ranges are 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. TEST-NET addresses belong to the range 192.0.2.0/24. The addresses in the block 240.0.0.0 to 255.255.255.254 are reserved as experimental addresses. Loopback addresses belong to the block 127.0.0.0/8.
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Question 47 of 77
47. Question
1 pointsA user issues a ping 192.135.250.103 command and receives a response that includes a code of 1. What does this code represent?
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Question 48 of 77
48. Question
1 pointsWhich subnet would include the address 192.168.1.96 as a usable host address?
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Hint
Explanation: For the subnet of 192.168.1.64/26, there are 6 bits for host addresses, yielding 64 possible addresses. However, the first and last subnets are the network and broadcast addresses for this subnet. Therefore, the range of host addresses for this subnet is 192.168.1.65 to 192.168.1.126. The other subnets do not contain the address 192.168.1.96 as a valid host address.
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Question 49 of 77
49. Question
7 pointsOpen 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.)
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Hint
Explanation: Using the ipv6config command on PC2 displays the IPv6 address of PC2, which is 2001:DB8:1:4::A. The IPV6 link-local address, FE80::260:70FF:FE34:6930, is not used in route tracing. Using the tracert 2001:DB8:1:4::A command on PC1 displays four addresses: 2001:DB8:1:1::1, 2001:DB8:1:2::1 , 2001:DB8:1:3::2, and 2001:DB8:1:4::A.
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Question 50 of 77
50. Question
1 pointsA host is transmitting a broadcast. Which host or hosts will receive it?
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Question 51 of 77
51. Question
1 pointsA host is transmitting a unicast. Which host or hosts will receive it?
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Question 52 of 77
52. Question
1 pointsA 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?
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Question 53 of 77
53. Question
1 pointsA host is transmitting a multicast. Which host or hosts will receive it?
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Question 54 of 77
54. Question
1 pointsA host is transmitting a multicast. Which host or hosts will receive it?
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Question 55 of 77
55. Question
1 pointsA host is transmitting a multicast. Which host or hosts will receive it?
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Question 56 of 77
56. Question
1 pointsA host is transmitting a multicast. Which host or hosts will receive it?
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Question 57 of 77
57. Question
1 pointsA host is transmitting a multicast. Which host or hosts will receive it?
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Question 58 of 77
58. Question
1 pointsA host is transmitting a broadcast. Which host or hosts will receive it?
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Question 59 of 77
59. Question
1 pointsA host is transmitting a broadcast. Which host or hosts will receive it?
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Question 60 of 77
60. Question
1 pointsWhich is the compressed format of the IPv6 address 2001:0db8:0000:0000:0000:a0b0:0008:0001?
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Question 61 of 77
61. Question
1 pointsWhich is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?
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Question 62 of 77
62. Question
1 pointsWhich is the compressed format of the IPv6 address 2002:0042:0010:c400:0000:0000:0000:0909?
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Question 63 of 77
63. Question
1 pointsWhich is the compressed format of the IPv6 address 2001:0db8:0000:0000:0ab8:0001:0000:1000?
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Question 64 of 77
64. Question
1 pointsWhich is the compressed format of the IPv6 address 2002:0420:00c4:1008:0025:0190:0000:0990?
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Question 65 of 77
65. Question
1 pointsWhich is the compressed format of the IPv6 address 2001:0db8:0000:0000:0000:a0b0:0008:0001?
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Question 66 of 77
66. Question
1 pointsWhich is the compressed format of the IPv6 address fe80:0000:0000:0000:0220:0b3f:f0e0:0029?
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Question 67 of 77
67. Question
1 pointsWhich is the compressed format of the IPv6 address 2001:0db8:0000:0000:0000:a0b0:0008:0001?
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Question 68 of 77
68. Question
1 pointsWhich is the compressed format of the IPv6 address 2002:0042:0010:c400:0000:0000:0000:0909?
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Question 69 of 77
69. Question
1 pointsWhich is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?
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Question 70 of 77
70. Question
1 pointsA 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?
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Question 71 of 77
71. Question
1 pointsA user issues a ping 192.135.250.103 command and receives a response that includes a code of 1. What does this code represent?
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Question 72 of 77
72. Question
1 pointsA user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 3. What does this code represent?
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Question 73 of 77
73. Question
1 pointsA user issues a ping 10.10.14.67 command and receives a response that includes a code of 0. What does this code represent?
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Question 74 of 77
74. Question
1 pointsA user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 4. What does this code represent?
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Question 75 of 77
75. Question
1 pointsA user issues a ping 198.133.219.8 command and receives a response that includes a code of 0. What does this code represent?
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Question 76 of 77
76. Question
1 pointsA 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?
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Question 77 of 77
77. Question
1 pointsA 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?
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