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642-980 Latest Exam (Nov 2017)

[Free] 2017(Nov) Dumps4cert Pass4sure Cisco 642-980 Dumps with VCE and PDF 1-10

November 6, 2017

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2017 Nov Cisco Official New Released 642-980
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Troubleshooting Cisco Data Center Unified Fabric

Question No: 1

What are the minimum number and maximum number of members that a SAN PortChannel can have?

A. 1, 16

B. 2, 16

C. 1, 32

D. 2, 32

  1. 1 minimum with no maximum

  2. 2 minimum with no maximum

Answer: A

Question No: 2

One of your Cisco Nexus Series interfaces has become errdisabled with the error message quot;DCX-No ACK in 100 PDUsquot;. How often are these acknowledgements exchanged?

  1. 15 seconds

  2. 30 seconds

  3. 45 seconds

  4. 60 seconds

Answer: B

Question No: 3

When you ping your new Cisco Nexus 7010 Switch, you see this output:

!!…!!…!!…!!…!!…

What could be the problem?

  1. Traffic may be taking a bad route through the network.

  2. HSRP is flapping.

  3. CoPP is rate-limiting the pings.

  4. The switch has high CPU utilization.

Answer: C

Question No: 4

Refer to the exhibit.

Dumps4Cert 2017 PDF and VCE

A customer reports that a virtual server that is running on UCS C460 A fails to access another virtual server that is running on UCS C460 B. You discover that the virtual machines in VLAN 20 fail to communicate with any of the virtual machines in VLAN 22. The virtual machines in other VLANs can communicate with each other. You verify the IP configuration and discover that the Spanning Tree Protocol setting a correct. Traffic filtering and the firewall are disabled. Which option is the most likely cause of the communication problem?

  1. VLAN 20 and VLAN 22 should be Cisco FabricPath VLANs.

  2. VLAN 20 and VLAN 22 use reserved VLAN values.

  3. Cisco FabricPath licensing on one of the switches supports only 19 VLANs.

  4. One of the platforms used in the topology supports only 19 VLANs.

Answer: A

Question No: 5

Refer to the exhibit.

Dumps4Cert 2017 PDF and VCE

There is a transmission problem through the IP WAN cloud between the two sites.The MTU size should be 1442. How must you run the ping command to verify that the correct MTU size is being used by the OTV join interfaces?

  1. with a packet size of 1450 and fragmentation disabled

  2. with a packet size of 1542 and fragmentation enabled

  3. with a packet size of 1442 and fragmentation disabled

  4. with a packet size of 1480 and fragmentation enabled

Answer: B

Question No: 6

Which two occurrences happen during an ISSU? (Choose two.)

  1. FLOGI/fdisc or logo requests from servers fail until the ISSU is complete.

  2. The time-to-live value for CDP is increased (360 seconds) if it is less than the recommended timeout value.

  3. LACP is not affected because ISSU should not impact peers that rely on LACP because the recovery time is less than 90 seconds.

  4. NTP sessions stay alive and active.

  5. The control plane is offline for up to 300 seconds.

Answer: A,C

Question No: 7

What is one requirement for running FabricPath on a Cisco Nexus 7000 Series switches?

  1. You must have an F Series module

  2. You must run NX-OS version 4.2 to run FabrciPath

  3. ISSU needs to be disabled to run FabricPath

  4. LAN_TRANSPORT_SERVICES_PKG license needs to be installed to run FabrciPath

Answer: A

Question No: 8

Refer to the exhibit.

Dumps4Cert 2017 PDF and VCE

An administrator is deploying FCoE; however, a VFC interface will not come up. The administrator executes the commandshow platform software fcoe_mgr info interface vfc and displays the output. What is the problem?

  1. Connecting a Cisco MDS switch to a Cisco Nexus switch with Fibre Channel is not supported.

  2. The port must be in the same VSAN.

  3. There is a port type mismatch. They both must be F ports.

  4. The speed must be set to 8 Gbps.

  5. It is still initializing the port on the Cisco Nexus switch.

Answer: B

Question No: 9

Refer to exhibit.

Dumps4Cert 2017 PDF and VCE

Customer has a pair of Cisco Nexus7010s switches and connected to a single Cisco Nexus5548 switch via vPC. Customer has a combination of M1 and F1 I/O Modules in Cisco Nexus7010s.

Why is the design described not supported?

  1. Mixing I/O Modules on the Same Side of a Peer Link is not supported

  2. vPC does not support split control plane

  3. You can not configure a vPC peer link to configure two devices as vPCs

  4. Need to add another Cisco Nexus5548 switch to the topology to make this work.

Answer: A

Question No: 10

What are three reasons that could cause fabric merge problems in a Cisco SAN? (Choose three.)

  1. Failure occurs when a switch supports more than 2000 zones per VSAN but its neighbor does not.

  2. All devices are in the same VSAN.

  3. The merged fabrics contain inconsistent data that could not be merged.

  4. Both host and storage are logged in to the same SAN.

  5. Small configurations may wipe out the large configurations.

  6. The VSAN database is error-disabled.

Answer: A,C,E

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