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2021 Jan 642-980 testing engine

Q41. 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 


Q42. Refer to the exhibit. 

A customer is having a problem getting NPV to work. What is causing the problem? 

A. The core NPV switch port is not an F port. 

B. The core NPV switch port is in a shutdown state. 

C. The core NPV switch port is not configured on both ends. 

D. The core NPV switch port is not configured on the other end. 

E. The core NPV switch ports are in the wrong domain. 

Answer: A 


Q43. Refer to the exhibit. 

A customer is having a problem with NPV. Which of these is the cause of the problem? 

A. No server was requested or received by the FLOGI database. 

B. One external link must be up for server interface to be up. 

C. Multiple external links must be up for the server to come up. 

D. Internal links are down and must be up for the server interface to be up. 

Answer: B 


Rebirth 642-980 exam answers:

Q44. Which statement is true regarding the admin VDC? 

A. All licensed features and feature sets must be enabled from the admin VDC. 

B. Fabric extenders connectedto the admin VDC must be statically pinned. 

C. Only the mgmt 0 interface is allocated to the admin VDC. 

D. All interfaces other than mgmt 0 are allocated to the default VDC. 

E. The admin context can only be created on Supervisor 2/2E. 

F. The admin VDC is a new feature in Cisco NX-OS version 6.0. 

Answer: C 


Q45. 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 


Q46. The Cisco Nexus 2248 FEX has been added recently to the network via a vPC to the Nexus 5000 switches; however, connectivity is not yet operational. What is the problem with the configuration? 

A. Both Nexus 5000 switches must associate to the same FEX number 

B. Each Nexus 5000 should have its own FEX to support a straight-through topology. 

C. The maximum number of links for pinning purposes should be increased to 2. 

D. Ethernet1/18 must be configured without a port channel. 

Answer: D