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. A customer is deploying multihop FCoE in its network. Which guideline must the customer follow with respect to VE ports to make this deployment possible?
A. Auto mode on the vFC interface is supported.
B. VE-port trunking is supported over FCoE-enabled VLANs.
C. VE-port interface binding to MAC addresses is supported.
D. A VE port is disabled for trunk mode by default.
Answer: B
Q2. Which statement would explain why the overlay interface on an OTV edge device is not in the up state?
A. The site identifiers are identical within a multihomed site.
B. Multicast groups are not mapped to a range of SSM addresses to carry the multicast traffic.
C. An adjacency server is not configured for connectivity over a multicast transport.
D. The OTV IS-IS metrics do not match across all adjacent OTV edge devices.
Answer: B
Q3. A customer reports that it cannot establish a vPC peer link between two Cisco Nexus 5548UP Switches. The interfaces on both switches are configured and cabled correctly. The interface status is up/down on switch 1 and up/up on switch 2. Which three steps are taken to isolate the root cause? (Choose three.)
A. ask the customer if the link was ever functional
B. determine whether the fiber-optic cable type (single mode or multimode) matches the X2 modules
C. swap the fiber-optic cable with one known to be good
D. swap the transceivers between the two interfaces
E. swap the ends of the fiber-optic cable
Answer: CDE
Q4. Which statement is true regarding how OTV edge devices will react based on the configuration of the VLANs being extended across the overlay network?
A. Any VLANs not extended will not be populated in the local OTV route table.
B. Only the same-site edge AED device controls which VLANs are to be extended.
C. Any extended VLANs will not be populated in the remote OTV route table.
D. By default, all VLANs on an edge device will be extended.
Answer: A
Q5. Which two statements are true regarding vPC configuration? (Choose two.)
A. With vPC, there are no blocked ports.
B. vPC uses hash-based EtherChannel load balancing.
C. There are STP-blocked redundant links.
D. There is VLAN-based load balancing.
E. There is higher oversubscription.
Answer: AB
Q6. Your customer has a dual Cisco Nexus 7010 Switches in its data center. Customer's representatives want to know how to determine if Cisco IOS ISSU is possible on the switches as they are upgrading to version 6.0.4. Which command is useful to determine if the upgrade will be non-disruptive?
A. N7010-C1# show system redundancy ha status
B. N7010-C1# show incompatibility system
C. N7010-C1# install all
D. N7010-C1# show issu test bootflash:n7000-s1-system.6.0.4.bin
Answer: C
Q7. Which command on a Cisco Nexus 5000 Series Switch will show the interface information for port 10 on the connected FEX 100?
A. show interface Ethernet 100/10
B. show fex 100 interface Ethernet 1/10
C. show interface Ethernet 100/1/10
D. show interface Ethernet 1/100/10
Answer: C
Q8. Which two describe the correct requirements for non-disruptive IOS ISSU on Cisco Nexus 7000 Series Switches? (Choose two.)
A. updated kickstart and system images must be staged in bootflash on single-supervisor switches
B. updated kickstart and system images must be staged in bootflash on dual-supervisor switches
C. low version skew
D. dual supervisors
E. clock synchronization
Answer: CD
Q9. 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
Q10. 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