CCNA Exam Cram (Exam 640-802), Third Edition

Appendix . Answer Key to Practice Test #1

Answers at a Glance to Practice Exam I

1.	B
2.	E
3.	D
4.	A
5.	B
6.	A, C, D
7.	C
8.	B
9.	A, D
10.	D
11.	B
12.	A
13.	A, B, C, D, E
14.	D
15.	B
16.	B
17.	A
18.	A
19.	C
20.	A
21.	B
22.	A
23.	C, E
24.	B, D
25.	D
26.	D
27.	C
28.	B
29.	D
30.	D
31.	A
32.	A, C
33.	C
34.	C
35.	B
36.	A
37.	D
38.	C, D
39.	A, B
40.	C
41.	D
42.	B
43.	C
44.	A, B, E
45.	C
46.	E
47.	A
48.	A, B, C
49.	E
50.	C
51.	A
52.	C
53.	A
54.	C
55.	B
56.	C
57.	A
58.	B, D
59.	B, C, D

Answers with Explanations

Question 1

Answer B is the correct answer. A /28 network would give you 14 hosts on each network. The network increment of a /28 network is 16. Because the ip subnet-zero command is on the router, you can use the zero subnet, making the second subnet 192.168.25.16 and the first useable IP address 192.168.25.17. Answers A, C, D, and E are incorrect because each of ...