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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2016 Jun 642-980 Study Guide Questions:
Q1. 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
Q2. Which statement is true regarding STP?
A. When the spanning-tree topology is calculated based on default parameters, the path between the source and destination end stations in a switched network might not be ideal.
B. The path between the source and the destination end stations is always ideal with the default spanning-tree parameter.
C. The path between the source and the destination end stations is determined by the speed of the link; the slowest link speed will become the root port during the election.
D. The path between the source and the destination end stations is determined by the lowest MAC address; the lowest MAC address will become the root port during the election.
Q3. 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
Far out 642-980 study guide:
Q4. FHRP isolation between data center networks that are connected over an OTV network is a two-step process; the first prevents FHRP peering by filtering FHRP control packets across the overlay via a VLAN ACL. What is the second step?
A. Filter the FHRP MAC addresses that are being advertised by IS-IS.
B. Remove the FHRP VLAN from the OTV extend-vlan list.
C. Apply a VLAN to a route map that is applied to the OTV routing process.
D. Disable the auto-population of the OTV MAC address table.
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.
Q6. 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.
Precise 642-980 faq:
Q7. Fibre Channel traffic on VSAN 12 between N5K2 and MDS9124-2 is degraded. Which statement explains the cause of this degradation?
A. Performance is decreased by half due to the incorrect port type being used.
B. The load-balancing scheme for VSAN 12 should be src-id/dst-id.
C. B2B credits on N5K2 should be increased to 128.
D. A VSAN port channel must be configured between N5K2 and MDS9124-2.
Q8. Which statement is true regarding Cisco FabricPath?
A. It is necessary to first install the Cisco FabricPath feature set in the default VDC.
B. Cisco FabricPath is only available on Cisco Nexus 7010 Switches with the Supervisor 2 engine.
C. Cisco FabricPath cannot be disabled explicitly for a specific VDC.
D. If the Cisco FabricPath feature is not installed, the fabricpath keyword will be available in the feature-set command.
Q9. Refer to the exhibit.
A customer is having difficulty getting NPV working. What is the cause of the problem?
A. The core NPV device is not enabled.
B. The core NPV device is not a switch.
C. The core NPV device is not configured on both ends.
D. The core NPV device is not configured on the upstream port.
Q10. 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