IPv4

CCNA 13.8.7

1

2

Identify below which of the 3 following are true.

Area 1500 users192.168.1.0/24

Area 260 users192.168.2.0/24

Area 3200 users192.168.3.0/24

192.168.100.0/26

A. Area 1 IP address space is inadequate for the number of usersB. Area 3 IP address space is inadequate for the number of usersC. Area 2 could use a mask of /25 to conserve IP address spaceD. The router to router connection is wasting address spaceE. The broadcast domain in Area 1 is too large for IP to function

2Answer: ACD

The default-gateway of PCA is _______.a.192.168.0.1b.0000.0000.0002c.192.168.0.100d.0000.0000.0003e.ffff.ffff.ffff

R2

PCA192.168.0.2000000.0000.0001

192.168.0.10000.0000.0002

PCB192.168.5.2500000.0000.0004

192.168.0.1000000.0000.0003

Answer: C 3

The broadcast address of 192.168.23.61/28 is _______.

a.192.168.23.0b.192.168.23.48c.192.168.23.60d.192.168.23.56e.192.168.23.63

Answer: E 4

_________ can be assigned to a router interface when using the 192.168.1.0 network that is being subnetted with a mask of 255.255.255.224.a.192.168.1.31b.192.168.1.64c.192.168.1.127d.192.168.1.190e.192.168.1.192

Answer: D 5

The reason the admin cannot copy from the backup server to the router he is connected because _________.a.The admin’s PC is using the wrong IP addressb.The router serial connection is IP addressed improperlyc.The backup server is using the wrong IP addressd.The backup server is using the wrong mask

Back-up Server172.16.1.101255.255.255.240

/30

172.16.1.97/29

172.16.12.1/29

.13

.14

Answer:D 6

You have three networks of 30, 40, and 50 hosts. Limited to use a classful addressing scheme will require a mask of ________.a.255.255.255.252b.255.255.255.248c.255.255.255.192d.255.255.255.224e.255.255.255.240

Answer: C 7

With the IP addresses of 10.16.3.65/23 that _________ and _________ are accurate.a.The subnet address is 10.16.3.0b.The lowest host address is 10.16.2.1c.The last valid address is 10.16.2.254d.The broadcast address is 10.16.3.255

Answer: B D 8

Using a Class C IP address with a /30 subnet mask ______ host addresses will exist on each of the subnets.

a.1b.2c.4d.6e.62f.64g.254

Answer: B 9

The subnet address of 192.168.1.42 255.255.255.248 is _________.a.192.168.1.32/27b.192.168.1.40/29c.192.168.1.8/29d.192.168.1.16/28e.192.168.1.48/29

Answer: B 10

Which is the last host IP address when using a mask of 255.255.255.224?a.192.168.2.60b.192.168.2.32c.192.168.2.61d.192.168.2.63e.192.168.2.62

Answer: E 11

The subnet address of 172.19.20.23/28 is _____.a.172.19.20.0b.172.19.20.20c.172.19.20.15d.172.19.20.32e.172.19.20.16

Answer: E 12

To configure an interface with 10.10.80.1/19 use the command _________.a.ip address 10.10.80.1/19

b.ip address 10.10.80.1 255.255.255.240

c.ip address 10.10.80.1 255.255.0.0

d.ip address 10.10.80.1 255.255.224.0

e.ip address 10.10.80.1 255.255.240.0

f.ip address 10.10.80.1 255.255.255.0

Answer: D 13

_______ and _______ are IP addresses that will be on the same subnet when using a /26 mask. (pick 2)a.192.168.4.63b.192.168.4.125c.192.168.4.67d.192.168.4.61e.192.168.4.132f.192.168.4.128

Answer: BC 14

The subnet address of 172.16.159.159/22 is ___.a.172.16.128.0b.172.16.0.0c.172.16.192.0d.172.16.156.0e.172.16.159.128f.172.16.159.0

Answer: D 15

_______, _______, and _______ are valid addresses found on 10.1.160.0/20 subnet. (pick 3)a.10.1.160.255b.10.1.175.255c.10.1.174.255d.10.1.160.0e.10.1.168.0f.10.1.176.1

Answer: ACE 16