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642-997 Exam Questions - Online Test


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Q1. Which SCSI terminology is used to describe source and destination nodes? 

A. hosts and targets 

B. initiators and targets 

C. HBA and disks 

D. initiators and disks 

E. HBA and targets 

Answer:

Q2. Which topology is not supported when using vPC? 

A. a single-homed server to a single FEX that is connected to two Cisco Nexus 5500 Series Switches 

B. a dual-homed server to two FEXs, each connected to two Cisco Nexus 5500 Series Switches 

C. a dual-homed server to two FEXs that are connected to one Cisco Nexus 5500 Series Switch 

D. a dual-homed server to a single FEX that is connected to two Cisco Nexus 5500 Series Switches 

Answer:

Q3. Which policy-map action performs congestion avoidance? 

A. priority 

B. bandwidth 

C. queue-limit 

D. random-detect 

Answer:

Q4. Which command enables NPIV on Cisco Nexus 5000 Series Switches and Cisco MDS switches? 

A. switch(config)# npiv enable 

B. switch(config)# npivon 

C. switch(config)# feature npiv 

D. switch(config)# npiv proxy 

E. switch(config)# np proxy-enable 

Answer:

Q5. Which GLBP load-balancing algorithm ensures that a client is always mapped to the same VMAC address? 

A. vmac-weighted 

B. dedicated-vmac-mode 

C. shortest-path and weighting 

D. host-dependent 

Answer:

Q6. Which two statements about SAN zoning on Cisco Nexus switches are true? (Choose two.) 

A. Unlike configured zones, default zone information is not distributed to the other switches in the fabric. 

B. Traffic can either be permitted or denied among members of the default zone. This information is not distributed to all switches. It must be configured in each switch. 

C. The settings for default zone configurations cannot be changed. 

D. To activate a zone set, you must copy the running configuration to the startup configuration after the zone set is configured. 

E. Soft zoning restrictions will not prevent a source device from accessing a device outside its zone, if the source knows the Fibre Channel ID of the destination. 

F. Hard zoning is enforced by the hardware on each FLOGI sent by an N Port. 

Answer: BE 

Q7. On a Cisco Nexus 7000 Series router, which statement about HSRP and VRRP is true? 

A. When VDCs are in use, only VRRP is supported. 

B. HSRP and VRRP both use the same multicast IP address with different port numbers. 

C. HSRP has shorter default hold and hello times. 

D. The VRRP group IP address can be the same as the router-specific IP address. 

Answer:

Q8. Which two statements about implementing Cisco NPV and NPIV on a Cisco Nexus 5000 Series switch are true? (Choose two.) 

A. STP must run inside the FP network. 

B. All VLANs must be in the same mode, CE, or FP. 

C. FP port can join the private and nonprivate VLANs. 

D. Only F and M series modules can run FabricPath. 

E. These require an enhanced Layer 2 license to run. 

Answer: BE 

Q9. In policy-based routing, which action is taken for packets that do not match any of the route-map statements? 

A. forwarded after the egress queue empties on the outbound interface 

B. forwarded using the last statement in the route map 

C. forwarded using the closest matching route-map statement 

D. forwarded using destination-based routing 

Answer:

Q10. Refer to the exhibit. 

This multilayer Cisco Nexus switch had been the active virtual gateway for Group 1 before it became temporarily unavailable. What will happen to GLBP Group 1 when this device becomes available again? 

A. The currently active router remains active. 

B. It depends on the priority value that is configured active on the router. 

C. The Cisco Nexus switch becomes the active virtual gateway after 600 seconds. 

D. It depends on the weighting values that are configured active on the router. 

Answer: