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V5 > Ch 4 > Flashcards

Ch 4 Flashcards

1
Q
  1. In a vSwitch, which of the following can be used to obtain information for peer network devices?

A. Beacon probing
B. LLDP
C. CDP
D. PVLANs

A

C. CDP information can be obtained for peer devices connected to the network adapters on vNetwork standard switches by clicking the information icon beside the vSwitch. LLDP is supported only on dvSwitches.

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2
Q
  1. What are the two connection types available when creating a new vSwitch?

A. Virtual machine
B. Management
C. LAN
D. VMkernel

A

A and D. The two connection types available when creating a vSwitch are virtual machine and Vmkernel. Connection types are also known as port groups.

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3
Q
  1. Which of the following policies are common across vSwitches and dvSwitches? (Choose all that apply.)

A. Failover and Load Balancing policy
B. VLAN policy
C. Security policy
D. Traffic Shaping policy

A

A, B, C and D. All of these are common policies in both the vSwitch and the dvSwitch.

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4
Q
  1. Which of the following VLAN tagging configurations require trunk/tagged ports to be configured on a physical switch? (Choose two.)

A. EST
B. VST
C. VGT
D. EXT

A

B and C. Virtual Switch Tagging (VST) and Virtual Guest Tagging (VGT) each require the use of trunked VLANs.

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5
Q
  1. Which of the following is a use case for a vSwitch? (Choose all that apply.)

A. Environment with ESXI hosts and no vCenter Server
B. Environment with ESXI hosts and vCenter Server with Standard Licensing
C. Environment with ESXI hosts and vCenter server with Enterprise Licensing
D. Environment with ESXI hosts and vCenter Server with Enterprise Plus Licensing

A

A, B, C and D. Any vSphere environment can make use of a vSwitch.

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6
Q
  1. Which load-balancing policy is available only with the dvSwitch?

A. Route Based On IP Hash
B. Route Based On Physical NIC Load
C. Route Based On MAC Hash
D. Use Explicit Failover Order

A

B. The Route Based On Physical NIC Load poicy is available only in the dvSwitch.

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7
Q
  1. You need to remove one of the two physical adapters from a vSwitch that has a virtual machine port group with 25 connected virtual machines. What sequence of events should you use to accomplish this task?

A. Leave all VMs on the ESXi host. Remove the vmnic from the vSwitch.
B. Leave all VMs on the ESXi host. Remove the vSwitch.
C. Migrate all VMs to another ESXi host using vMotion. Remove the vmnic from the vSwitch. Move the VMs back tot his ESXi host.
D. Migrate all VMs to another ESXi host using vMotion. Remove the vSwitch. Move the VMs back to this ESXi host.

A

A. Adding and removing NICs from a vSwitch with a virtual machine port group is a non-disruptive action, as long as there remains at least one active NIC.

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8
Q
  1. You have a customer that requires NEtwork I/O Control and NetFlow. Which version of the dvSwitch must be used?

A. 4.0.0
B. 4.1.0
C. 4.1.1
D. 5.0.0

A

D. The dvSwitch version 5.0.0 provides Network I/O Control, NetFlow, and port mirroring.

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9
Q
  1. When creating a dvSwitch, what are the options for adding ESXi hosts? (Choose all that apply.)

A. Add Now
B. Add One
C. Add Later
D. Add All

A

A and C. Add Now and Add Later are the two options presented in the wizard.

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10
Q 
10. When adding a dvPort group to a dvSwitch, you use the VLAN Trunking option. How many dvPort groups will be required to support three trunked VLANs?
A. 0
B. 1
C. 2
D. 3
A

B. VLAN trunking allows a range of trunked VLANs to be entered, which requires only a single dvPort group in the dvSwitch.

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11
Q
  1. A customer has an NFS server implemented on a dedicated and isolated network. The ESXi hosts connect to this NFS server through a vSwitch configured with a VMkernel port group. You need to connect a virtual machine to the management interface on the NFS server. What are the steps you need to take?

A. Create a virtual machine port group on the vSwitch. Connect a virtual machine to this port group. Give the VM an IP address on the storage network. Connect to and use the management interface on the NFS server. Disconnect the VM from this port group and remove the virtual machine port group.
B. Create a virtual machine port group on a new vSwitch. Connect a virtual machine to this port group. Give the VM an IP address on the new network. Connect to and use the management interface on the NFS server.
C. Connect the virtual machine to the VMkernel port group. Give the VM an IP address on the storage network. Connect to and use the management interface on the NFS server. Disconnect the VM from the VMkernel port group and remove the VMkernel port group.
D. Create a virtual machine port group on the vSwitch. Connect a virtual machine to this port group. Give the VM an IP address on the storage network. Connect to and use the management interface on the NFS server. Disconnect the VM from this port group.

A

A. The virtual machine will need a virtual machine port group to connect to this network, since only the ESXi host can use the Vmkernel port group. The best practice would be to remove this virtual machine port group once it is no longer in use, to limit potential access to this isolated network.

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12
Q
  1. Which of the following statements is true about EtherChannel and load-balancing policies? (Choose two.)

A. Route Based On IP Hash requires EtherChannel
B. Route Based On MAC Hash requires EtherChannel
C. Do not configure standby adapters/uplinks when using the Route Based on MAC Hash load-balancing policy.
D. Do not configure Standby adapters/uplinks when using the Route Based On IP Hash load-balancing policy.

A

A and D. Route Based On IP Hash requires EtherChannel, and standby adapters/uplinks must not be configured when using the Route Based On IP Hash load-balancing policy.

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13
Q
  1. Which of the following network adapters are required for virtual machines to utilize TSO? (Choose all that apply.)

A. e1000
B. vlance
C. VMXNET 2 (Enhanced)
D. VMXNET 3

A

C and D. To utilize TSO in a virtual machine, either the VMXNET 2 or VMXNET 3network adapter is required. The Vmware Tools are also required to load the drivers in the guest OS, but the Vmware Tools alone will not allow the VM to use TSO.

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14
Q
  1. What types of traffic can a vmknic be used for? (Choose all that apply.)

A. vMotion
B. Virtual Machine
C. iSCSI
D. Management

A

A, C and D. The Vmkernel can be used for host-based connections such as vMotion, iSCSI, and Management traffic.

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15
Q
  1. Which of the following is a use case for the dvSwitch? (Choose all that apply.)

A. An environment with ESXi hosts and no vCenter Server
B. An environment with ESXi hosts and vCenter Server with Standard licensing.
C. An environment with ESXi hosts and vCenter server with Enterprise licensing.
D. An environment with ESXi hosts and vCenter Server with Enterprise Plus licensing

A

D. Use of the dvSwitch requires both vCenter Server and Enterprise Plus licensing.

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16
Q
  1. What is used to allow ESXi hosts using the same dvSwitch to have differing vmnic configurations and still use the same teaming, load-balancing, and failover policies?

A. dvPort group
B. dvUplink
C. Uplink adapters
D. dvPort

A

B. A Distributed Virtual Uplink (dvUplink) is uesd to provide a level of abstraction between the physical network adapters (vmnics) on the ESXi host and the dvSwitch.

17
Q
  1. You have a customer that requires the use of virtual machine traffic shaping on both inbound and outbound connections. Which of the following solutions provide this capability?

A. dvSwitch
B. vSwitch
C. Both of these
D. None of these

A

A. The dvSwitch provides bidirectional virtual machine traffic shaping capability.

18
Q
  1. Which of the following are required to use jumbo frames in a virtual machine? (Choose all that apply.)

A. VMXNET2
B. Guest OS configuration changes
C. Ensuring that all devices on the network segment support jumbo frames
D. VMware Tools

A

A, B, C and D. Using jumbo frames in a virtual machine requires the VMXNET2 or VMXNET3 adapter, and the drivers provided for each by Vmware Tools. Guest OS configuration changes, and ensuring that all devices on the network segment support jumbo frames is also necessary.

19
Q
  1. Which statement best describes static port binding?

A. A dvPort is created and assigned when a virtual machine is created.
B. A dvPort is created and assigned when a virtual machine is both powered on and has its NIC connected.
C. A dvPort is immediately assigned and reserved when the virtual machine is connected to the dvPort.
D. A dvPort is immediately assigned and reserved when the dvSwitch is created.

A

C. With static binding a dvPort is immediately assigned and reserved when the virtual machine is connected to the dvPort.

20
Q
  1. Which of the following describes the use for virtual adapters in the dvSwitch? (Choose all that apply.)

A. Used to provide virtual machine connections
B. Used to provide vMotion traffic
C. Used to provide FT traffic
D. Used to provide NFS traffic

A

B, C and D. In a dvSwitch, virtual network adapters are used to provide Vmkernel connections such as ESXi management traffic, vMotion, FT, iSCSI, and NFS.

V5 (13 decks)

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