思科认证考试(CCNA)考试模拟题60-71及答案
来源:优易学  2011-12-2 18:15:24   【优易学:中国教育考试门户网】   资料下载   IT书店

 

68. [FINx] Given the following configuration for Router A: 

Router_a(config)#interface s0

Router_a(config-if)#encapsulation 

frame-relay ietf

Router_a(config-if)#frame-relay 

map ip 172.16.1.2 100

Router_a(config-if)#frame-relay 

map ip 172.16.1.3 101

Router_a(config-if)#frame-relay 

map ip 172.16.1.4 102

Router_a(config-if)#frame-relay 

map ip 172.16.1.5 103

Router_a(config-if)#frame-relay 

map ip 172.16.1.6 104

Router_a(config-if)#ip address 

172.16.1.1 255.255.255.0
 

Which of the following is the proper configuration for Router F? 

a) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi
 

b) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 104
 

c) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type cisco

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 104
 

d) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type cisco

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 604
 

e) None of the above. 

Answer 
e) None of the above 

There are several configuration parameters that must be checked to answer these frame relay questions. 

LMI 

Does not have to match end to end this is communication between the local router and the local frame relay switch 

Encapsulation 

This parameter needs to match end to end. 

Frame map statement 

The ip address here needs to be the next hop address and the DLCI number needs to be the local DLCI. 

The local DLCI for Router F is 604 
The next hop address is Router A 172.16.1.1 
Encapsulation of Router A is IETF 
Encapsulation of all our choices is Cisco 

69. [FINx] Given the following configuration for Router A: 

Router_a(config)#interface s0

Router_a(config-if)#encapsulation 

frame-relay ietf

Router_a(config-if)#frame-relay lmi-type ansi

Router_a(config-if)#frame-relay 

map ip 172.16.1.2 100

Router_a(config-if)#frame-relay 

map ip 172.16.1.3 101

Router_a(config-if)#frame-relay 

map ip 172.16.1.4 102

Router_a(config-if)#frame-relay 

map ip 172.16.1.5 103

Router_a(config-if)#frame-relay 

map ip 172.16.1.6 104

Router_a(config-if)#ip address 

172.16.1.1 255.255.255.0
 

Which of the following is the proper configuration for Router F? 

a) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 104 
 

b) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 104 ietf
 

c) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 604 
 

d) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 


map ip 172.16.1.1 604 ietf
 

e) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation 

frame-relay ietf

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 104
 

Answer 
d) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 604 ietf
 

There are several configuration parameters that must be checked to answer these frame relay questions. 

LMI 

Does not have to match end to end this is communication between the local router and the local frame relay switch 

Encapsulation 

This parameter needs to match end to end. 

Frame map statement 

The ip address here needs to be the next hop address and the DLCI number needs to be the local DLCI. 

The local DLCI for Router F is 604 
The next hop address is Router A 172.16.1.1 
Encapsulation is IETF

70. [FINx] Given the following configuration for Router A: 

Router_a(config)#interface s0

Router_a(config-if)#encapsulation frame-relay 

Router_a(config-if)#frame-relay lmi-type cisco

Router_a(config-if)#frame-relay 

map ip 172.16.1.2 100 ietf 

Router_a(config-if)#frame-relay 

map ip 172.16.1.3 101 ietf

Router_a(config-if)#frame-relay 

map ip 172.16.1.4 102 ietf

Router_a(config-if)#frame-relay 

map ip 172.16.1.5 103 ietf

Router_a(config-if)#frame-relay 

map ip 172.16.1.6 104 ietf

Router_a(config-if)#ip address 

172.16.1.1 255.255.255.0
 

Which of the following is the proper configuration for Router F? 

a) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation 

frame-relay ietf

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 604
 

b) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 104 ietf
 

c) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation 

frame-relay ietf

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 104 
 

d) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 604 
 

e) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation 

frame-relay ietf

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 104
 

Answer 
a) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation 

frame-relay ietf

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 604
 

There are several configuration parameters that must be checked to answer these frame relay questions. 

LMI 

Does not have to match end to end this is communication between the local router and the local frame relay switch 

Encapsulation 

This parameter needs to match end to end. 

Frame map statement 

The ip address here needs to be the next hop address and the DLCI number needs to be the local DLCI. 

The local DLCI for Router F is 604 
The next hop address is Router A 172.16.1.1 
Encapsulation is IETF 
LMI does not have to match 

71. [FINx] Given the following configuration for Router A: 

Router_a(config)#interface s0

Router_a(config-if)#encapsulation frame-relay 

Router_a(config-if)#frame-relay lmi-type ansi

Router_a(config-if)#interface 

s0.1 point-to-point 

Router_a(config-if)#ip address 

172.16.5.1 255.255.255.0

Router_a(config-if)#frame-relay 

interface-dlci 100

Router_a(config-if)#interface 

s0.2 point-to-point 

Router_a(config-if)#ip address 

172.16.2.1 255.255.255.0

Router_a(config-if)#frame-relay 

interface-dlci 101

Router_a(config-if)#interface 

s0.3 point-to-point 

Router_a(config-if)#ip address 

172.16.3.1 255.255.255.0

Router_a(config-if)#frame-relay 

interface-dlci 102

Router_a(config-if)#interface 

s0.4 point-to-point 

Router_a(config-if)#ip address 

172.16.4.1 255.255.255.0

Router_a(config-if)#frame-relay 

interface-dlci 103

Router_a(config-if)#interface 

s0.5 point-to-point 

Router_a(config-if)#ip address 

172.16.1.1 255.255.255.0

Router_a(config-if)#frame-relay 

interface-dlci 104
 

Which of the following is the proper configuration for Router F? 

a) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay 

Router_f(config-if)#frame-relay 

lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.192

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 604
 

b) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay 

Router_f(config-if)#frame-relay 

lmi-type ansi

Router_f(config-if)#interface serial 

0.1 point-to-point

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0
c) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation 

frame-relay ietf

Router_f(config-if)#frame-relay lmi-type cisco

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 104 
 

d) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 604 

e) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay 

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#interface serial 

0.1 point-to-point

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 104
 

Answer 
d) 

Router_f(config)#interface s0

Router_f(config-if)#encapsulation frame-relay

Router_f(config-if)#frame-relay lmi-type ansi

Router_f(config-if)#ip address 

172.16.1.6 255.255.255.0

Router_f(config-if)#frame-relay 

map ip 172.16.1.1 604 
 

There are several configuration parameters that must be checked to answer these frame relay questions. 

LMI 

Does not have to match end to end this is communication between the local router and the local frame relay switch 

Encapsulation 

This parameter needs to match end to end. 

Frame map statement 

The ip address here needs to be the next hop address and the DLCI number needs to be the local DLCI. 

The local DLCI for Router F is 604 
The next hop address is Router A 172.16.1.1 
Encapsulation is Cisco the default

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