Module 11-13 341 Midterm Review
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
198.133.219.17 128.107.12.117 64.104.78.227
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
10.0.0.0/8 172.16.0.0/12 192.168.0.0/16
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
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
How many host addresses are available on the 192.168.10.128/26 network? 30 32 60 62 64
62
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.
Which type of IPv6 address refers to any unicast address that is assigned to multiple hosts? unique local global unicast link-local anycast
anycast
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 A
host unreachable
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
port unreachable
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
when the value of the Hop Limit field reaches zero
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
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?
172.16.19.255
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
192.168.1.64/26
Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0ab8:0001:0000:1000?
2001:db8::ab8:1:0:1000
Which is the compressed format of the IPv6 address 2002:0042:0010:c400:0000:0000:0000:0909?
2002:42:10:c400::909
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
224.0.0.0 - 239.255.255.255
Which IPv6 prefix is reserved for communication between devices on the same link? FC00::/7 2001::/32 FE80::/10 FDFF::/7
FE80::/10
Which protocol is used by the traceroute command to send and receive echo-requests and echo-replies? SNMP ICMP Telnet TCP
ICMP
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
SLAAC
A host is transmitting a multicast. Which host or hosts will receive it? a specially defined group of hosts one specific host all hosts with the same IP address the closest neighbor on the same network
a specially defined group of hosts
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
beyond scope of the source address
What type of IPv6 address is FE80::1? loopback link-local multicast global unicast
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? network unreachable protocol unreachable port unreachable host unreachable
network unreachable
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
one specific host
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
time exceeded
What is the prefix length notation for the subnet mask 255.255.255.224? /25 /26 /27 /28
/27
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
FE80::1:4545:6578:ABC1
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
192.168.1.64/27 192.168.1.96/28
What are two types of IPv6 unicast addresses? (Choose two.) multicast loopback link-local anycast broadcast
loopback link-local
How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?
1022
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?
255.255.255.128
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::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
3FFE:1044:0:0:AB::57
What is the usable number of host IP addresses on a network that has a /26 mask?
62
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? 16 256 4096 65536
65536
Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host? ARPv6 DHCPv6 ICMPv6 UDP
ICMPv6
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
all hosts in the same subnet
A message is sent to all hosts on a remote network. Which type of message is it?
directed broadcast
Which is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?
fe80:9ea:0:2200::fe0:290
Which is the compressed format of the IPv6 address fe80:0000:0000:0000:0220:0b3f:f0e0:0029?
fe80::220:b3f:f0e0:29
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
subnetwork 192.168.1.64 subnet mask 255.255.255.192
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
the TCP/IP stack on a network host
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
to provide feedback of IP packet transmissions
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?
10.16.10.64/27
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
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
three
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
address unreachable
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
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
all IPv6 enabled devices on the local link or network
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
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? 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
the MAC address of the IPv6 enabled interface