Question

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

Question

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

Question

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

Question

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

Question

A message is sent to all hosts on a remote network. Which type of message is it?

limited broadcast
multicast
directed broadcast
unicast

Question

Match each description with an appropriate IP address.

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

Question

Three methods allow IPv6 and IPv4 to co-exist. Match each method with its description.

The IPv4 packets and IPv6 packets coexist in the same network. → dual-stack
The IPv6 packet is transported inside an IPv4 packet. → tunneling
IPv6 packets are converted into IPv4 packets, and vice versa. → translation

Question

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

/25
/26
/27
/28

Question

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

multicast
loopback
link-local
anycast
broadcast

Question

Match the subnetwork to a host address that would be included within the subnetwork.

192.168.1.64/27 → 192.168.1.68
192.168.1.32/27 → 192.168.1.48
192.168.1.96/27 → 192.168.1.121

Question

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

Question

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

Question

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

Question

How many host addresses are available on the 192.168.10.128/26 network?

30
32
60
62
64

Question

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

Question

$The exhibit shows a graphic of two routers, two switches, and two PCs cabled together. PC1, with an IP address of 192.168.1.1, is connected to switch SW1. SW1 is connected to router R1. R1 is connected by a serial cable to router R2. R2 is connected to switch SW2. SW2 is connected to PC2, which has an IP address of 10.1.0.2. The administrator issues a tracert command from PC1 and gets the following output: C:\tracert 10.1.0.2 Tracing route to 10.1.0.2 over a maximum of 30 hops 1 2ms 2ms 2ms 192.168.1.254 2 * * * Request timed out 3 * * * Request timed out 4 ^C$

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?

PC2
R1
SW2
R2
SW1

Question

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

ARPv6
DHCPv6
ICMPv6
UDP

Question

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

Question

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

Question

What type of IPv6 address is FE80::1?

loopback
link-local
multicast
global unicast

Question

Media description: An IPv6 network address with 64 bit network mask is shown. The first three blocks are 2001, DB8, and 1234. The fourth block shows four zeros. The first zero is labeled SIte, the second and third zeros are labeled together as Sub-site, the last zero is labeled Subnet.

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

Question

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

Question

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

Question

Two routers that are labeled A and B connect via a serial link, and each router has a switch that is attached through an Ethernet link. Beside the router A LAN are the words 172.16.16.0 /22.

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?

172.16.16.255
172.16.20.255
172.16.19.255
172.16.23.255
172.16.255.255

Question

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

Question

The exhibit shows the R1 router with three separate connections to three switches. Each switch has a PC. Under each PC from left to right are the following numbers and words: 10.16.10.0/26, 10.16.10.192/28, and 25 hosts.

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?

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

Question

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

256
254
64
62
32
16

Question

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

Question

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

Question

Match the IPv6 address with the IPv6 address type.

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

Question

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

SNMP
ICMP
Telnet
TCP

Question

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

Question

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

Question

Which IPv6 prefix is reserved for communication between devices on the same link?

FC00::/7
2001::/32
FE80::/10
FDFF::/7

Question

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

unique local
global unicast
link-local
anycast

Question

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

Question

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

Question

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.

Network C → 192.168.0.96 /27
Network A → 192.168.0.128 /25
Network D → 192.168.0.80 /30
Network B → 192.168.0.0 /26

Question

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.

Question

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

Question

PT Activity

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.

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

Question

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

Question

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

Question

A host is transmitting a unicast. 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

Question