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2021 Mar 642-980 actual exam
Q1. Refer to the exhibit.
When suspending or deleting VSANs, which three statements are true? (Choose three.)
A. You can delete only one VSAN at a time.
B. You must wait 60 seconds after you enter the vsan suspend command before you enter another command.
C. You must wait 120 seconds after you enter the vsan suspend command before you enter another command.
D. You can unsuspend only one VSAN at a time.
E. You can delete multiple VSANs as long as they are in the same domain.
F. You can delete multiple VSANs as long as they are in the same zone.
Answer: ABD
Q2. What is one requirement for running FabricPath on a Cisco Nexus 7000 Series switches?
A. You must have an F Series module
B. You must run NX-OS version 4.2 to run FabrciPath
C. ISSU needs to be disabled to run FabricPath
D. LAN_TRANSPORT_SERVICES_PKG license needs to be installed to run FabrciPath
Answer: A
Q3. On a Cisco Nexus 5500 Series Switch, the VFC is stuck in the initializing state. Which QoS statements must be configured for FCoE to operate?
A. system qos
service-policy type qos input fcoe-default-in-policy
service-policy type queuing input fcoe-default-in-policy
service-policy type queuing output fcoe-default-out-policy
service-policy type network-qos fcoe-default-nq-policy
B. system qos
service-policy type qos input fcoe-default-in-policy
service-policy type queuing input fcoe-default-in-policy
service-policy type qos input default-in-policy
service-policy type network-qos default-nq-policy
C. system qos
service-policy type qos input default-in-policy
service-policy type queuing input default-in-policy
service-policy type queuing output default-out-policy
service-policy type network-qos default-nq-policy
D. system qos
service-policy type qos input default-in-policy
service-policy type queuing input default-in-policy
service-policy type queuing output fcoe-default-out-policy
service-policy type network-qos fcoe-default-nq-policy
Answer: A
Q4. Cisco UCS users residing behind N5K2 are complaining about poor performance with a single LAN application in the data center. Which statement best explains what is wrong with N5K2?
A. Traffic balancing is based on the destination IP address.
B. Port channel members do not have equal bandwidths.
C. The trunk between the Nexus 5000 switches is filtering all VLANs.
D. E2/1 on N7010-C2 is not configured as a trunk for application traffic from N5K2.
Answer: A
Explanation:
Traffic balancing is based on the destination IP address
Use the “show port-channel load-balance” command to verify.
Q5. You receive a priority 1 trouble ticket that there is OSPF route instability in the data center core Cisco Nexus 7018 Switches. Which command is useful to help validate a theory that hello packets are being throttled?
A. N7018# show class-map interface control-plane
B. N7018# show policy-map interface control-plane
C. N7018# show service-policy interface control-plane
D. N7018# show copp status
E. N7018# show copp statistics
F. N7018# show control-plane class copp-system-class-critical
Answer: B
Up to the immediate present 642-980 dumps:
Q6. A customer is deploying FCoE in its networ and has found that the connected host does not support FIP. Which command will be useful in troubleshooting this issue?
A. show platform fcoe_mgr info interface vfc id
B. show platform fcoe_mgr info software interface vfc id
C. show platform software fcoe_mgr info interface vfc id
D. show platform software interface fcoe_mgr info vfc id
Answer: C
Q7. Which command would you use to find the AED of an extended VLAN in a dual-homed site of an OTV network?
A. show otv aed on the AED
B. show otv site on any edge devices in the site
C. show otv vlan on the AED
D. show otv aed on any edge devices in the site
E. show otv vlan on any edge devices in the site
Answer: C
Q8. You have enabled configuration synchronization between two Cisco Nexus 5548UP Switches. You create a port channel on switch 1 and determine that it was not synchronized with its peer. The peer switch can be pinged on the management VRF. When you check your peer status, you receive a "peer not reachable" message in the command output. What is the explanation for this?
A. CDP is disabled.
B. An LACP mismatch exists on the peer interfaces.
C. UDLD is disabled.
D. CFSoIP is disabled.
E. Multicast routing is enabled.
Answer: D
Q9. One of your Cisco Nexus Series interfaces has become errdisabled with the error message "DCX-No ACK in 100 PDUs". How often are these acknowledgements exchanged?
A. 15 seconds
B. 30 seconds
C. 45 seconds
D. 60 seconds
Answer: B
Q10. Refer to the exhibit.
In the initial SAN deployment or after topology changes in the SAN, some hosts cannot communicate with storage. What are three possible causes of the problem? (Choose three.)
A. misconfigured fabric timers
B. misconfigured port parameters
C. VSAN pruning
D. VSAN trunking issues
E. VLAN problems
F. mismatched zoning
Answer: ABF