Exam Code: 642-980 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Troubleshooting Cisco Data Center Unified Fabric
Certification Provider: Cisco
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Q1. Which command would you use to check the status of your configuration synchronization peer? 

A. N5K2# show switch-profile peer 

B. N5K2# show config-sync peer 

C. N5K2# show synch peer 

D. N5K2# show peer status 

E. N5K2# show switch peer 

Answer:

Q2. 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:

Q3. Refer to the exhibit. 

During a VSAN outage, you come across this configuration. Please select two possible causes? (Choose two) 

A. no common VSANs on both switches 

B. no common trunks 

C. no common VSAN members in the same trunk 

D. VSANs in trunk are the same, but the trunk is not up 

Answer: AC 

Q4. Which two commands will show all the OTV edge devices and their MAC addresses in the local site? (Choose two.) 

A. show otv overlay 

B. show otv site 

C. show otv vlan 

D. show otv adjacency 

E. show mac address-table 

Answer: BD 

Q5. Refer to the exhibit. 

Customer is having problems with a device in VLAN100? What would fix the problem? 

A. Move the trunk port into VSAN 100. 

B. Change interface fc1fc1/1 into a trunk port and remove VSAN 100. 

C. Change interface fc2/4 into a trunk port. 

D. Change interface fc2/4 into VSAN 100. 

E. Change interface fc1fc1/2 into VSAN 100. 

Answer:

Q6. Which statement is true regarding LACP configuration? 

A. With LACP, you can bundle up to 16 interfaces in a channel group. 

B. LACP configuration is global and can be only configured by admin. 

C. After removing LACP configuration, you need to reboot the device. 

D. You can disable LACP while any LACP configurations are present. 

Answer:

Q7. Refer to the exhibit. 

A zone merge failure occurs with the above error log. What is the problem? 

A. Two switches have the same zone set name but different zone members. 

B. Two switches have different zone names and different members. 

C. Two switches have the same zone set name and the same members. 

D. Two switches have different zone names. 

Answer:

Q8. What is the correct configuration for interface Ethernet 1/1 of a Cisco Nexus 5000 Series Switch when it is a member of port channel 101 connected to FEX 101? 

A. interface Ethernet1/1 

switchport mode trunk 

switchport trunk native vlan 10 

switchport trunk allowed vlan 20,30 

fex associate 101 

channel-group 101 

B. interface Ethernet1/1 

switchport mode fex-fabric 

channel-group 101 

C. interface Ethernet1/1 

switchport mode access 

switchport access vlan 10 

fex associate 101 

channel-group 101 

D. interface Ethernet1/1 

switchport mode fex-fabric 

fex associate 101 

channel-group 101 

Answer:

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:

Q10. If no traffic was ever sent across the overlay, what will the show mac address-table command on the OTV VDC indicate? 

A. invalid command 

B. the MAC address of the local OTV join interface 

C. the system IDs of all the local OTV edge devices 

D. the system IDs of all the local and remote edge devices in the overlay 

E. all the MAC addresses learned on the extended VLAN 

Answer: