6. D 7. C 8. B 9. A 10. C
11. 13, C 14, D 15, A
16, D 17, B 18, D 19, D 20, B
21, C 22, D 23, C 24, D 25, A
26, B 27, C 28, A 29, A 30, C
31, B 32, C 33, A 34, B 35, C
36, C 37, B 38, B 39, A 40, D
1, categoría b
2, 191.25.128.0
3 , 191.25.191.255
4, 0.0.51.7
5, 191.25.128.1
6, G2/2
7, modo Relé
8, dot1q
9, VLAN 2-5
10,
11, 202.102.1.30
12.202.102.1.26
13.0.0.0.0
14.255.255.255.255
15. pingmail.tj.edu.cn
17.202.113.64.137
18.
19. .20.208
Problemas de aplicación
1. 152.19.63.192/30
2. 63.0/29
4, 152.19.63.8/29
5, 152.19.0.0/22
6, 152.19.56.0/22
2. Enrutador(config)#interfaz e1 enrutador(config-if)#grupo de clase de acceso ip 130 en
3, 255.255.255.240 152.19.58.129-142
255.255. 255.240 152.19.58.145-158
255.255.255.224 152.19.58.161-190