Modules Exam 11-13

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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? 0 4 16 256

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

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.) 192.168.1.64/27 192.168.1.16/28 192.168.1.192/28 192.168.1.96/28 192.168.1.128/27

192.168.1.64/27 192.168.1.96/28

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

2001:DB8:BC15:A

Which address prefix range is reserved for IPv4 multicast? 224.0.0.0 - 239.255.255.255 127.0.0.0 - 127.255.255.255 240.0.0.0 - 254.255.255.255 169.254.0.0 - 169.254.255.255

224.0.0.0 - 239.255.255.255

Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host? ICMPv6 ARPv6 UDP DHCPv6

ICMPv6

Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available IPv6 addresses? stateless DHCPv6 SLAAC static IPv6 addressing stateful DHCPv6

SLAAC

A host is transmitting a multicast. Which host or hosts will receive it? all hosts with the same IP address the closest neighbor on the same network a specially defined group of hosts one specific host

a specially defined group of hosts

Which type of IPv6 address refers to any unicast address that is assigned to multiple hosts? unique local link-local anycast global unicast

anycast

A message is sent to all hosts on a remote network. Which type of message is it? multicast unicast limited broadcast directed broadcast

directed broadcast

Which is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290? fe80::220:b3f:f0e0:29 fe80:9ea0::2020:0:bf:e0:9290 fe80:9ea:0:2200::fe0:290 fe80::0220:0b3f:f0e0:0029

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

What are two types of IPv6 unicast addresses? (Choose two.) anycast multicast link-local broadcast loopback

loopback link-local

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? host unreachable network unreachable port unreachable protocol unreachable

network unreachable

What source IP address does a router use by default when the traceroute command is issued? the IP address of the outbound interface the highest configured IP address on the router the lowest configured IP address on the router a loopback IP address

the IP address of the outbound interface

What is used in the EUI-64 process to create an IPv6 interface ID on an IPv6 enabled interface? an IPv6 address that is provided by a DHCPv6 server an IPv4 address that is configured on the interface the MAC address of the IPv6 enabled interface a randomly generated 64-bit hexadecimal address

the MAC address of the IPv6 enabled interface

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

three

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 router receives an ICMP time exceeded message when the target host responds with an ICMP echo reply message when the value of the Hop Limit field reaches 255 when the value of the Hop Limit field reaches zero

when the value of the Hop Limit field reaches zero

What is the prefix length notation for the subnet mask 255.255.255.224? /26 /27 /28 /25

/27

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 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.

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? 10.16.10.128/28 10.16.10.224/26 10.16.10.64/27 10.16.10.240/27 10.16.10.160/26

10.16.10.64/27

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. 192.168.0.96 /27 192.168.0.128 /25 192.168.0.80 /30 192.168.0.0 /26

192.168.0.96 /27 - network C 192.168.0.128 /25 - network A 192.168.0.80 /30 - network D 192.168.0.0 /26 - network B

Which subnet would include the address 192.168.1.96 as a usable host address? 192.168.1.32/28 192.168.1.64/26 192.168.1.32/27 192.168.1.64/29

192.168.1.64/26

Which three addresses are valid public addresses? (Choose three.) 10.15.250.5 128.107.12.117 198.133.219.17 192.168.1.245 64.104.78.227 172.31.1.25

198.133.219.17 128.107.12.117 64.104.78.227

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

2001:DB8:1:1::1 2001:DB8:1:2::1 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? 256 16 65536 4096

65536

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? There is an IP address conflict. This is a private IP address. This is a loopback address. This is a link-local address.

This is a private IP address.

A technician uses the ping 127.0.0.1 command. What is the technician testing? connectivity between two PCs on the same network the TCP/IP stack on a network host connectivity between a PC and the default gateway connectivity between two adjacent Cisco devices physical connectivity of a particular PC and the network

the TCP/IP stack on a network host

Match each description with an appropriate IP address. 64.102.90.23 169.254.1.5 192.0.2.123 240.2.6.255 172.19.20.5 127.0.0.1

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

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? 172.16.20.255 172.16.16.255 172.16.23.255 172.16.19.255 172.16.255.255

172.16.19.255

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 2001:db8:0:f::/52 2001:db8:0:8000::/52 2001:db8:0:f00::/52

2001:db8:0:f000::/52

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? 255.255.255.0 255.255.255.240 255.255.255.128 255.255.255.224

255.255.255.128

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:1044:0000:0000:00AB::57 3FFE:1044:0:0:AB::57 3FFE:1044::00AB::0057 3FFE:1044:0000:0000:00AB::0057 3FFE:1044:0:0:00AB::0057

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

Match the IPv6 address with the IPv6 address type. solicited node multicast global unicast all node multicast loopback

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

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 192.168.1.32 subnet mask 255.255.255.240 subnetwork 192.168.1.64 subnet mask 255.255.255.192 subnetwork 192.168.1.64 subnet mask 255.255.255.240 subnetwork 192.168.1.8 subnet mask 255.255.255.224 subnetwork 192.168.1.128 subnet mask 255.255.255.192

subnetwork 192.168.1.64 subnet mask 255.255.255.192


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