642-999 Latest Exam (Aug 2018)

[Free] 2018(Aug) Dumps4cert Cisco 642-999 Dumps with VCE and PDF Download 31-40

August 28, 2018

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Implementing Cisco Data Center Unified Computing

Question No: 31

What is the maximum number of ports on a VMware vCenter Distributed Virtual Switch?

A. 64 B. 128 C. 1024 D. 4096 E. 8192

Answer: D

Question No: 32

Refer to the exhibit.

Dumps4Cert 2018 PDF and VCE

Which two statements about the fabric interconnect are true? (Choose two.)

  1. The fabric interconnect forwards all broadcast packets on VLAN 311 out of each interface listed in the Membership.

  2. The fabric interconnect forwards broadcasts on VLAN 311 only when they are received on Po21.

  3. Without any changes to the switch, eth 1/32 could become the designated receiver for VLAN 311.

  4. All multicast traffic from a blade on VLAN 311 goes out of Po21.

  5. IGMP join packets from blades on VLAN 311 goes out Po21.

Answer: B,E

Question No: 33

Which consideration must be made while performing backup operations within the Cisco UCS Manager?

  1. Each backup destination can have multiple backup operations.

  2. Backups can be scheduled ahead of time.

  3. A user can perform incremental backups of a system configuration.

  4. Rerunning an existing backup operation overwrites the existing backup file.

Answer: D

Question No: 34

When using VM-FEX, the new VMs are not connected, but existing VMs are unaffected.

Which option describes the most likely cause?

  1. Binding is set to ephemeral on the DVS, but it must be set to static.

  2. Dynamic NICs have been exhausted.

  3. Hostd on the host has stopped responding to Cisco UCS Manager.

  4. The adapter has failed.

Answer: B

Question No: 35

Which two statements about the provisioning of Cisco VM-FEX DirectPath I/O mode are true?

(Choose two.)

  1. The VT-D feature on the ESX host server must be disabled before you can enable VMDirectPath.

  2. VM-FEX standard mode is the same as VM-FEX high-performance mode.

  3. Enabling high performance turns on VMDirectPath mode.

  4. VMDirectPath mode prevents the use of VMware vMotion.

  5. To use Cisco VM-FEX DirectPath I/O mode, a virtual machine must have a dynamic vNIC and two static vNICs on the VIC adapter.

Answer: C,E

Reference: http://www.cisco.com/c/en/us/solutions/collateral/data-center- virtualization/unifiedcomputing/vm_fex_best_practices_deployment_guide.html

Question No: 36

When adding a VMware ESXi host to the Distributed Virtual Switch, what are two risks of migrating a VMNIC that is associated to vSwitch 0? (Choose two.)

  1. loss of access to the management IP interface

  2. duplicate IP address error

  3. duplicate MAC address error

  4. loss of VMware ESXi communication with VMware vCenter

  5. DVS port group will not appear in the VM network settings

  6. DVS port group will overwrite the port groups in vSwitch 0

Answer: A,D

Question No: 37

How many certificates does Cisco Unified Computing System Manager have to export to communicate with VMware vCenter server if the VMware ESXi hosts are all running version 5.0 or higher?

  1. 1

  2. 2

  3. 4

  4. 8

  5. 16

Answer: A

Question No: 38

Which two VMware features will not allow an adapter to transition from Cisco VM-FEX standard mode to universal passthrough mode? (Choose two.)

  1. VM Snapshot

  2. Volume Shadow Copy

  3. Storage vMotion

  4. HA

  5. Resource Reservations

Answer: A,C

Question No: 39

The system-reserved VLANs within Cisco UCS are 3968 to 4048 by default. Where can a

user change the starting value of this range?

  1. VLAN manager

  2. global policies

  3. LAN cloud

  4. cannot be changed

Answer: D

Question No: 40

In the Create Dynamic vNIC Connection Policy dialog box, there is a configurable field titled Protection. What is the significance of the three choices for Protection?

  1. allows reserve vNICs to be allocated out of the spares pool

  2. enables hardware-based failover

  3. enables static binding of the VM port profile to dynamic vNICs

  4. selects the primary fabric association for dynamic vNICs

  5. allows dynamic vNICs to be reserved for fabric failover

Answer: D

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