Pass4side Alcatel-Lucent 4A0-102 考试题库(16-20)
2008-09-16 09:23
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Pass4side Alcatel-Lucent 4A0-102 考试题库(16-20)
16. By default, if the Alcatel 7750 SR receives an update with the local AS number already in the path it will:
TestInside 4A0-102
A. Reject the update
B. Drop the peer
C. Ignore the update
D. (a) and (b)
Answer: C
17. Based on the following configuration, the source IP address used for this session will be:
config>router# autonomous-system 65200
config>router# bgp group “External BGP”
config>router>bgp>group$ description “AS 65250″
config>router>bgp>group$ peer-as 65250
config>router>bgp>group$ neighbor 56.0.59.2
A. 56.0.59.2
B. 56.0.59.3
C. The system address of the local router
D. The physical interface used to reach this neighbor
E. Unknown
F. Random
Answer: D
18. When does the Alcatel 7750 resolve the next-hop for a route?
A. The next-hop is resolved when packets need to be forwarded
B. There is no need to resolve the next hop, it is known from the routing update
C. The next-hop is resolved prior to the route installation in the FIB in the fast path, in real time.
D. The next-hop is periodically validated by a background process
Answer: C
19. For a BGP session to establish between the local router and 192.168.1.1, which of the following is true, based
on the following configuration?
config>router>bgp# group “BGP Peers”
config>router>bgp>group# authentication-key “Group”
config>router>bgp>group# neighbor 192.168.1.1
config>router>bgp>group>neighbor# authentication-key “Neighbor”
A. The local router will use the authentication key “Group” for all peering sessions.
B. The local router will use both authentication keys for extra security when communicating with neighbor
192.168.1.1 since both are defined
C. The configuration of neighbor 192.168.1.1 will require the authentication key “Group” since the group “BGP
Peers” is defined with that key
D. The configuration of neighbor 192.168.1.1 will require the authentication key “Neighbor” since the neighbor is
defined with that key
E. All of the above statements are false
Answer: D
20. Refer to the following configuration, which has been applied to BGP as an export policy.
entry 10
from
protocol direct
prefix-list “SomeNets”
exit
action accept
origin incomplete
exit
exit
entry 20
from
protocol ospf
prefix-list “SomeNets”
exit
action accept
TestInside 4A0-102
origin igp
metric set 1700
exit
exit
Select the best statement below.
A. This configuration is invalid since the same prefix-list is referenced twice
B. This configuration will allow all BGP routes, and direct and ospf routes that match the prefix-list. Direct and
ospf routes will be marked in BGP with an origin of igp
C. This configuration is invalid since incomplete is not a valid origin code
D. This configuration would not allow any BGP routes to be propagated since there is no default-action
E. This configuration will allow all BGP routes, and direct and ospf routes that match the prefix-list
Answer: E
本文考试题库摘自pass4side网站 更新时间:2008-9-10
16. By default, if the Alcatel 7750 SR receives an update with the local AS number already in the path it will:
TestInside 4A0-102
A. Reject the update
B. Drop the peer
C. Ignore the update
D. (a) and (b)
Answer: C
17. Based on the following configuration, the source IP address used for this session will be:
config>router# autonomous-system 65200
config>router# bgp group “External BGP”
config>router>bgp>group$ description “AS 65250″
config>router>bgp>group$ peer-as 65250
config>router>bgp>group$ neighbor 56.0.59.2
A. 56.0.59.2
B. 56.0.59.3
C. The system address of the local router
D. The physical interface used to reach this neighbor
E. Unknown
F. Random
Answer: D
18. When does the Alcatel 7750 resolve the next-hop for a route?
A. The next-hop is resolved when packets need to be forwarded
B. There is no need to resolve the next hop, it is known from the routing update
C. The next-hop is resolved prior to the route installation in the FIB in the fast path, in real time.
D. The next-hop is periodically validated by a background process
Answer: C
19. For a BGP session to establish between the local router and 192.168.1.1, which of the following is true, based
on the following configuration?
config>router>bgp# group “BGP Peers”
config>router>bgp>group# authentication-key “Group”
config>router>bgp>group# neighbor 192.168.1.1
config>router>bgp>group>neighbor# authentication-key “Neighbor”
A. The local router will use the authentication key “Group” for all peering sessions.
B. The local router will use both authentication keys for extra security when communicating with neighbor
192.168.1.1 since both are defined
C. The configuration of neighbor 192.168.1.1 will require the authentication key “Group” since the group “BGP
Peers” is defined with that key
D. The configuration of neighbor 192.168.1.1 will require the authentication key “Neighbor” since the neighbor is
defined with that key
E. All of the above statements are false
Answer: D
20. Refer to the following configuration, which has been applied to BGP as an export policy.
entry 10
from
protocol direct
prefix-list “SomeNets”
exit
action accept
origin incomplete
exit
exit
entry 20
from
protocol ospf
prefix-list “SomeNets”
exit
action accept
TestInside 4A0-102
origin igp
metric set 1700
exit
exit
Select the best statement below.
A. This configuration is invalid since the same prefix-list is referenced twice
B. This configuration will allow all BGP routes, and direct and ospf routes that match the prefix-list. Direct and
ospf routes will be marked in BGP with an origin of igp
C. This configuration is invalid since incomplete is not a valid origin code
D. This configuration would not allow any BGP routes to be propagated since there is no default-action
E. This configuration will allow all BGP routes, and direct and ospf routes that match the prefix-list
Answer: E
本文考试题库摘自pass4side网站 更新时间:2008-9-10
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- text1.txt begin10 11 12 20 21 22 30 31 32 end text2.txt begin 15 16 17 25 26 27 35 36 37 得到text3.txt