To initiate testing， which port does a Cisco IOS IP SLA……

多项选择题WhichtwoitemsbestdescribeaCiscoIOSIPSLAresponder？（）

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

多项选择题WhichtwostatementsbestdescribeCiscoIOSIPSLA？（）

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

单项选择题Whichitemisthemostimportantfactorduringdeploymentofhigh-availabilityfeatures？（）

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.

多项选择题Whenplanninghighavailability，whichtwocomponentsareimportanttominimizetheeffectofoutages？（）

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

多项选择题Whichtwoitemsaremostimportantformanagingthelong-termsuccessofhighavailability？（）

A.pleting aggressive implementation schedule
B.Stateful Switchover
C.pany and user expectations
D.Nonstop Forwarding
E.change control processes
F.dual devices and dual links