Cat6500（config）# router ospf 1
Cat6500（config-router）# network 0.0.0.0 255.255.255.255 area 0
Cat6500（config-router）# nsf Cat6500（config-router）#end
Refer to the exhibit. The configuration is used to enable nonstop forwarding for OSPF on a Catalyst 6500 Series
Switch with redundant supervisor engines.
The default CEF configuration is unchanged. After testing， user traffic is interrupted and NSF is not operational.
What is the most likely reason？ （）
A.CEF was not properly configured.
B.OSPF was not properly configured for graceful restart.
C.Stateful switchover was not correctly configured.
D.NSF for OSPF is only supported in area 0.
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To initiate testing，
which port does a Cisco IOS IP SLA source use to send a control message to an IP SLA responder？ （）
A.UDP port 2020
B.UDP port 1967
C.TCP port 2020
D.ICMP port 1967
A.required at the destination to implement Cisco IOS IP SLA services
B.improves measurement accuracy
C.required for VoIP jitter measurements
D.provides security on Cisco IOS IP SLA messages via LEAP or EAP-FAST authentication
E.responds to one Cisco IOS IP SLA operation per port
F.stores the resulting test statistics
A.only implemented between Cisco source and destination-capable devices
B.statistics provided by syslog， CLI， and SNMP
C.measures delay， jitter， packet loss， and voice quality
D.only monitors VoIP traffic flows
E.provides active monitoring
F.provides passive monitoring
A.Test major changes before deployment and defer minor changes until during deployment.
B.Document and verify rollback procedures.
C.Ensure consistency of code versions across the network.
D.Progressively modify procedures and documentation during implementation.
A.work staff attributes， such as skills and communication
B.redundancy， to prevent single points of failure
C.processes， such as documentation， change control， and labs
D.appropriate technology， such as hardware and software
E.tools， such as those for monitoring and reporting
最新試題
Refer to the exhibit. Initially， LinkA is connected and forwarding traffic. A new LinkB is then attached between SwitchA and HubA. Which two statements are true about the possible result of attaching the second link？（）
Which two statements are true when the extended system ID feature is enabled？ （）
Refer to the exhibit. Which Virtual Router Redundancy Protocol （VRRP） statement is true about the roles of the master virtual router and the backup virtual router？（）
Which router redundancy protocol cannot be configured for interface tracking？（）
What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals？（）
Which statement is correct about RSTP port roles？（）
Refer to the exhibit. Which statement is true about the output？（）
Refer to the exhibit and the partial configuration of switch SW_A and SW_B. STP is configured on all switches in the network. SW_B receives this error message on the console port：00：06：34： %CDP-4-DUPLEX_MISMATCH： duplex mismatch discovered on FastEthernet0/5 （not half duplex）， with SW_A FastEthernet0/4 （half duplex） ， with TBA05071417（Cat6K-B） 0/4 （half duplex）. What would be the possible outcome of the problem？（）
How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）
Based on the show spanning-tree vlan 200 output shown in the exhibit， which two statements about the STP process for VLAN 200 are true？ （）