NetAcad Ch. 11-13 Assessment

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

/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:: What is the prefix-length for the range of addresses?

/60

Match the subnetwork to a host address that would be included within the subnetwork. (Not all options are used.) 192.168.1.32/27 192.168.1.64/27 192.168.1.96/27 192.168.1.63 192.168.1.68 192.168.1.128 192.168.1.48 192.168.1.121

1.32/27 = 192.168.1.48 1.64/27 = 192.168.1.68 1.96/27 = 192.168.1.121

What is the class A private IP address range?

10.0.0.0 - 10.255.255.255

What is the class B private ip address range?

17.16.0.0 - 172.31.255.255

What is the class C private ip address range?

192.168.0.0 - 192.168.255.255

Match the IPv6 address with the IPv6 address type. (Not all options are used.) 2001:DB8::BAF:3F57:FE94 FF02::1 ::1 FF02::1:FFAE:F85F Link-local Solicited Node Multicast Global Unicast All node multicast loopback Unique Local

::1 = Loopback FF02::1 = All node multicast 2001:DB8 = Global Unicast FF02::1:FFAE = Solicited Node

A message is sent to all hosts on a remote network. Which type of message is it? A. Directed broadcast B. Multicast C. Limited broadcast D. Unicast

A. Directed broadcast

How many host addresses are available on the 192.168.10.128/26 network? A. 30 B. 32 C. 60 D. 62 E. 64

D. 62

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? A. subnetwork 192.168.1.32 subnet mask 255.255.255.240 B. subnetwork 192.168.1.128 subnet mask 255.255.255.192 C. subnetwork 192.168.1.8 subnet mask 255.255.255.224 D. subnetwork 192.168.1.64 subnet mask 255.255.255.192 E. subnetwork 192.168.1.64 subnet mask 255.255.255.240

D. subnetwork 192.168.1.64 subnet mask 255.255.255.192

When IPv4 and IPv6 packets coexist in the same network together.

Dual-stack

Match each description with an appropriate IP address. (Not all options are used.) Private Address Loopback Address Experimental Address Test-Net Address Link-local address 64.102.90.23 169.254.1.5 192.0.2.123 172.19.20.5 127.0.0.1 240.2.6.255

Private = 172.19.20.5 Loopback = 127.0.0.1 Experimental = 240.2.6.255 Test-Net = 192.0.2.123 Link-Local = 169.254.1.5

Term for when IPv6 packets are converted into IPv4 packets and vice versa.

Translation

When an IPv6 packet is transported inside an IPv4 packet.

Tunnelling

Which three addresses are valid public addresses? (Choose three.) A. 128.107.12.117 B. 10.15.250.5 C. 192.168.1.245 D. 198.133.219.17 E. 172.31.1.25 F. 64.104.78.227

A. 128.107.12.117 D. 198.133.219.17 F. 64.104.78.227

How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0? A. 510 B. 512 C. 1022 D. 1024 E. 2046 F. 2048

C. 1022

What is the broadcast address for network 172.16.16.0/22? A. 172.16.23.255 B. 172.16.20.255 C. 172.16.16.255 D. 172.16.19.255 E. 172.16.255.255

D. 172.16.19.255

A user executes a traceroute over IPv6. At what point would a router in the path to the destination device drop the packet? A. When the value of the Hop Limit field reaches 255 B. When the router receives an ICMP time exceeded message C. When the target host responds with an ICMP echo reply message D. When the value of the Hop Limit field reaches zero

D. When the value of the Hop Limit field reaches zero

Of these six addresses, two of them are hosts, two are networks, and two are broadcasts. Correctly identify which is which. 192.168.100.161/25 192.168.1.191/26 10.10.10.128/25 203.0.113.100/24 172.110.12.64/28 10.0.0.159/27

Targets = 192.168.100.161/25 203.0.113.100/24 Networks = 10.10.10.128/25 172.110.12.64/28 Broadcasts = 192.168.1.191/26 10.0.0.159/27

Match the network with the correct IP address and prefix that will satisfy the usable host addressing requirements for each network. Network A has 100 hosts Network B has 50 Hosts network C has 25 hosts Network D has 2 hosts 192.168.0.96/27 192.168.0.1/25 192.168.0.80/30 192.168.0.0/26

A = 192.168.0.1/25 B = 192.168.0.0/26 C = 192.168.0.96/27 D = 192.168.0.8/30

Which of these addresses is the shortest abbreviation for the IP address: FFE:1044:0000:0000:00AB:0000:0000:0057? A. 3FFE:1044:0:0:AB::57 B. 3FFE:1044::AB::57 C. 3FFE:1044::00AB::0057 D. 3FFE:1044:0:0:00AB::0057 E. 3FFE:1044:0000:0000:00AB::57 F. 3FFE:1044:0000:0000:00AB::0057

A. 3FFE:1044:0:0:AB::57

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? A. 65536 B. 256 C. 4096 D. 16

A. 65536

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? A. Address unreachable B. Network unreachable C. Host unreachable D. Protocol unreachable

A. Address unreachable

A host is transmitting a broadcast. Which host or hosts will receive it? A. All hosts in the same subnet B. One specific host C. All hosts on the Internet D. Directly connected network devices

A. All hosts in the same subnet

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? A. Beyond scope of the source address B. Communication with the destination C. Administratively prohibited D. Address unreachable

A. Beyond scope of the source address

Which IPv6 prefix is reserved for communication between devices on the same link? A. FE80::/10 B. FDFF::/7 C. 2001::/32 D. FC00::/7

A. FE80::/10

Which ICMPv6 message is sent when the IPv6 hop limit field of a packet is decremented to zero and the packet cannot be forwarded? A. Time exceeded B. Port unreachable C. Network unreachable D. Protocol unreachable

A. Time exceeded

What type of IPv6 address is FE80::1? A. link-local B. loopback C. global unicast D. multicast

A. link-local

Which subnet would include the address 192.168.1.96 as a usable host address? A. 192.168.1.64/29 B. 192.168.1.64/26 C. 192.168.1.32/27 D. 192.168.1.32/28

B. 192.168.1.64/26

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.) A. 192.168.1.192/28 B. 192.168.1.64/27 C. 192.168.1.16/28 D. 192.168.1.128/27 E. 192.168.1.96/28

B. 192.168.1.64/27 E. 192.168.1.96/28

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

B. 2001:DB8:BC15:A

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? A. 255.255.255.240 B. 255.255.255.128 C. 255.255.255.224 D. 255.255.255.0

B. 255.255.255.128

Which type of IPv6 address refers to any unicast address that is assigned to multiple hosts? A. Unique local B. Anycast C. Global unicast D. Link-local

B. Anycast

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

B. ICMPv6

What are two types of IPv6 unicast addresses? (Choose two.) A. Anycast B. Loopback C. Link-local D. Multicast E. Broadcast

B. Loopback C. Link-local

A host is transmitting a unicast. Which host or hosts will receive it? A. All hosts with the same IP address B. One specific host C. The closest neighbor on the same network D. A specially defined group of hosts

B. 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? A. Protocol unreachable B. Port unreachable C. Network unreachable D. Host unreachable

B. Port unreachable

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

B. SLAAC

What three blocks of addresses are defined by RFC 1918 for private network use? (Choose three.) A. 100.64.0.0/14 B. 239.0.0.0/8 C. 192.168.0.0/16 D. 169.254.0.0/16 E. 10.0.0.0/8 F. 172.16.0.0/12

C. 192.168.0.0/16 E. 10.0.0.0/8 F. 172.16.0.0/12

Which is the compressed format of the IPv6 address 2002:0420:00c4:1008:0025:0190:0000:0990? A. 2002:42:10:c400::909 B. 2002:42::25:1090:0:99 C. 2002:420:c4:1008:25:190::990 D. 2002:4200::25:1090:0:99

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

Which address prefix range is reserved for IPv4 multicast? A. 169.254.0.0 - 169.254.255.255 B. 240.0.0.0 - 254.255.255.255 C. 224.0.0.0 - 239.255.255.255 D. 127.0.0.0 - 127.255.255.255

C. 224.0.0.0 - 239.255.255.255

A host is transmitting a multicast. Which host or hosts will receive it? A. The closest neighbor on the same network B. All hosts in the same subnet C. A specially defined group of hosts D. Directly connected network devices

C. A specially defined group of hosts

An IPv6 enabled device sends a data packet with the destination address of FF02::1. What is the target of this packet?​ A. Only IPv6 DHCP servers​ B. Only IPv6 configured routers C. All IPv6 enabled devices on the local link​ or network D. The one IPv6 device on the link that has been uniquely configured with this address

C. All IPv6 enabled devices on the local link​ or network

How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks? A. Two B. Four C. Three D. Five

C. Three

Given IPv6 address prefix 2001:db8::/48, what will be the last subnet that is created if the subnet prefix is changed to /52? A. 2001:db8:0:8000::/52 B. 2001:db8:0:f::/52 C. 2001:db8:0:f00::/52 D. 2001:db8:0:f000::/52

D. 2001:db8:0:f000::/52

Which is the compressed format of the IPv6 address 2002:0042:0010:c400:0000:0000:0000:0909? A. 2002:42::25:1090:0:99 B. 2002:420:c4:1008:25:190::990 C. 2002:4200::25:1090:0:99 D. 2002:42:10:c400::909

D. 2002:42:10:c400::909

Which address is a valid IPv6 link-local unicast address? A. FE0A::100:7788:998F B. FC90:5678:4251:FFFF C. FD80::1:1234 D. FE80::1:4545:6578:ABC1 F. FEC8:1::FFFF

D. FE80::1:4545:6578:ABC1

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? A. Port unreachable B. Network unreachable C. Protocol unreachable D. Host unreachable

D. Host unreachable

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

D. 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? A. An IPv4 address that is configured on the interface B. A randomly generated 64-bit hexadecimal address C. An IPv6 address that is provided by a DHCPv6 server D. The MAC address of the IPv6 enabled interface

D. The MAC address of the IPv6 enabled interface

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? A. This is a link-local address. B. There is an IP address conflict. C. This is a loopback address. D. This is a private IP address.

D. This is a private IP address.

What is the purpose of ICMP messages? A. To ensure the delivery of an IP packet B. To inform routers about network topology changes C. To monitor the process of a domain name to IP address resolution D. To provide feedback of IP packet transmissions

D. To provide feedback of IP packet transmissions

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

E. The TCP/IP stack on a network host