1. IPv4 CCNA 13.8.7 1

2. 2 Identify below which of the 3 following are true. Area 1 500 users 192.168.1.0/24 Area 2 60 users 192.168.2.0/24 Area 3 200 users 192.168.3.0/24 192.168.100.0/26 A.Area 1 IP address space is inadequate for the number of users B.Area 3 IP address space is inadequate for the number of users C.Area 2 could use a mask of /25 to conserve IP address space D.The router to router connection is wasting address space E.The broadcast domain in Area 1 is too large for IP to function 2 Answer: ACD

3. The default-gateway of PCA is _______. a.192.168.0.1 b.0000.0000.0002 c.192.168.0.100 d.0000.0000.0003 e.ffff.ffff.ffff R2 PCA 192.168.0.200 0000.0000.0001 192.168.0.1 0000.0000.0002 PCB 192.168.5.250 0000.0000.0004 192.168.0.100 0000.0000.0003 Answer: C 3

4. The broadcast address of 192.168.23.61/28 is _______. a.192.168.23.0 b.192.168.23.48 c.192.168.23.60 d.192.168.23.56 e.192.168.23.63 Answer: E 4

5. _________ 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.192.168.1.31 b.192.168.1.64 c.192.168.1.127 d.192.168.1.190 e.192.168.1.192 Answer: D 5

6. 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 address b.The router serial connection is IP addressed improperly c.The backup server is using the wrong IP address d.The backup server is using the wrong mask Back-up Server 172.16.1.101 255.255.255.240 /30 172.16.1.97/29 172.16.12.1/29.13.14 Answer:D 6

7. You have three networks of 30, 40, and 50 hosts. Limited to use a classful addressing scheme will require a mask of ________. a.255.255.255.252 b.255.255.255.248 c.255.255.255.192 d.255.255.255.224 e.255.255.255.240 Answer: C 7

8. With the IP addresses of 10.16.3.65/23 that _________ and _________ are accurate. a.The subnet address is 10.16.3.0 b.The lowest host address is 10.16.2.1 c.The last valid address is 10.16.2.254 d.The broadcast address is 10.16.3.255 Answer: B D 8

9. Using a Class C IP address with a /30 subnet mask ______ host addresses will exist on each of the subnets. a.1 b.2 c.4 d.6 e.62 f.64 g.254 Answer: B 9

10. The subnet address of 192.168.1.42 255.255.255.248 is _________. a.192.168.1.32/27 b.192.168.1.40/29 c.192.168.1.8/29 d.192.168.1.16/28 e.192.168.1.48/29 Answer: B 10

11. Which is the last host IP address when using a mask of 255.255.255.224? a.192.168.2.60 b.192.168.2.32 c.192.168.2.61 d.192.168.2.63 e.192.168.2.62 Answer: E 11

12. The subnet address of 172.19.20.23/28 is _____. a.172.19.20.0 b.172.19.20.20 c.172.19.20.15 d.172.19.20.32 e.172.19.20.16 Answer: E 12

13. 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

14. _______ and _______ are IP addresses that will be on the same subnet when using a /26 mask. (pick 2) a.192.168.4.63 b.192.168.4.125 c.192.168.4.67 d.192.168.4.61 e.192.168.4.132 f.192.168.4.128 Answer: BC 14

15. The subnet address of 172.16.159.159/22 is ___. a.172.16.128.0 b.172.16.0.0 c.172.16.192.0 d.172.16.156.0 e.172.16.159.128 f.172.16.159.0 Answer: D 15

16. _______, _______, and _______ are valid addresses found on 10.1.160.0/20 subnet. (pick 3) a.10.1.160.255 b.10.1.175.255 c.10.1.174.255 d.10.1.160.0 e.10.1.168.0 f.10.1.176.1 Answer: ACE 16