多項(xiàng)選擇題Which two characteristics apply to Cisco Catalyst 6500 Series Switch supervisor redundancy  using NSF？（）

A. independent of SSO
B. NSF combined with SSO enables supervisor engine load balancing
C. supported by RIPv2， OSPF， IS-IS， and EIGRP
D. supports IPv4 and IPv6 multicast
E. prevents route flapping
F. dependent on FIB tables


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1.多項(xiàng)選擇題

pany has a Catalyst 6500 and you need to configure redundancy between the supervisor  modules. With route processor redundancy （RPR+）， the redundant supervisor engine is fully initialized and configured， which shortens the switchover time if the active supervisor engine fails.  
Which three statements are true about the RPR + operations when the redundant supervisor  engine switched over the failed primary supervisor engine？ （）

A. Static IP routes are maintained across a switchover because they are configured from entries in  the configuration file.
B. Information about dynamic routing states， maintained on the active supervisor engine， is  synchronized to the redundant supervisor engine and is transferred during the switchover.
C. Information about dynamic routing states， maintained on the active supervisor engine， is not  synchronized to the redundant supervisor engine and is lost on switchover.
D. The Forwarding Information Base （FIB） tables are cleared on a switchover. As a result， routed  traffic is interrupted until route tables reconverge.
E. Static IP routes are cleared across a switchover and recreated from entries in the configuration  file on the redundant supervisor engine.
F. The Forwarding Information Base （FIB） tables are maintained during the switchover. As a  result， routed traffic continues without any interruption when the failover occurs.

2.單項(xiàng)選擇題

Refer to the exhibit. 
What is the result of setting GLBP weighting at 105 with lower threshold 90  and upper threshold 100？ （）

A. Only if both tracked objects are up will this router will be available as an AVF for group 1.
B. Only if the state of both tracked objects goes down will this router release its status as an AVF  for group 1.
C. If both tracked objects go down and then one comes up， but the other remains down， this router  will be available as an AVF for group 1.
D. This configuration is incorrect and will not have any effect on GLBP operation.
E. If the state of one tracked object goes down then this router will release its status as an AVF for  group 1.