CCNA Module 11-13

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

/27 - The prefix length is the number of consecutive 1s in the subnet mask.

Private Address Ranges

10.0.0.0 - 10.255.255.255 172.16.0.0 - 172.31.255.255 192.168.0.0 - 192.168.255.255

How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?

1022

Loopback Address

127.0.0.1

Link Local Address Range

169.254.1.0 to 169.254.254.255

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

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

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:A

Which address prefix range is reserved for IPv4 multicast?

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? 255.255.255.240 255.255.255.224 255.255.255.0 255.255.255.128

255.255.255.128

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?

2^16 = 65536

What is the usable number of host IP addresses on a network that has a /26 mask?

62

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

ICMP

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

ICMPv6

Refer 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?

R1

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

Stateless Address Auto Configuration (SLAAC)

An IPv6 enabled device sends a data packet with the destination address of FF02::1. What is the target of this packet?​

all IPv6 enabled devices on the local link​ or network

Which type of IPv6 address refers to any unicast address that is assigned to multiple hosts?

anycast

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

What type of IPv6 address is FE80::1?

link-local

What are two types of IPv6 unicast addresses? (Choose two.)

loopback link-local

A host is transmitting a unicast. Which host or hosts will receive it?

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?

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 192.168.1.64 subnet mask 255.255.255.192

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

Which ICMPv6 message is sent when the IPv6 hop limit field of a packet is decremented to zero and the packet cannot be forwarded?

time exceeded