CCNA 1 11-13

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

/27

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

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

1022

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

172.16.19.255

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

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 IPv6 prefix is reserved for communication between devices on the same link? FC00::/7 2001::/32 FE80::/10 FDFF::/7

FE80::/10

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? beyond scope of the source address address unreachable host unreachable communication with the destination administratively prohibited

host unreachable

What type of IPv6 address is FE80::1? loopback link-local multicast global unicast

link-local

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

loopback link-local

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

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

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 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

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

fe80::220:b3f:f0e0:29

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

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

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 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

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 2001:db8::ab8:1:0:1000 2001:db80:0:1::80:1 2001:db80:::1::80:1

2001:db8::a0b0:8:1

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

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

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

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

How many host addresses are available on the 192.168.10.128/26 network? 30 32 60 62 64

62

What is the usable number of host IP addresses on a network that has a /26 mask? 256 254 64 62 32 16

62

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

Which protocol is used by the traceroute command to send and receive echo-requests and echo-replies? SNMP ICMP Telnet TCP

ICMP

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

ICMPv6

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 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.

This is a private IP address.

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

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

directed broadcast

A host is transmitting a multicast. Which host or hosts will receive it? one specific host a specially defined group of hosts 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 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

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

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 10.10.14.67 command and receives a response that includes a code of 0 . What does this code represent? protocol unreachable port unreachable network unreachable host unreachable

network unreachable

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

one specific host

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? host unreachable port unreachable protocol unreachable network unreachable

port unreachable

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

subnetwork 192.168.1.64 subnet mask 255.255.255.192

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

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

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

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