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VMware 2V0-620 Exam Practice Questions (P. 5)

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Question #21
An administrator has recently installed a new ESXi 6.x Host, and during the configuration notices sporadic network problems. To check whether the issue occurred sometime during the configuration, the administrator would like to reset the system.
How can this be accomplished in the shortest amount of time?
  1. A
    Run the ESXi installer again and reinstall the host.
  2. B
    Select the Reset System Configuration option from the vSphere Client when connected directly to the host.
  3. C
    From the Direct Console User Interface, select Reset System Configuration.
  4. D
    Use a host profile to reset the configuration to a default state.

Correct Answer:
C
This DCUI interface offers the following:
✑ Configure Root password
✑ Configure Lockdown mode
✑ Configure Management network
✑ Restart Management Network
✑ Test or disable Management
✑ Configure Keyboard
✑ View Support Information
✑ View System Logs
✑ Restart Management Network
✑ Reset System Configuration

Remove Custom Extensions -

✑ Shutdown or Restart /Reboot the ESXi Server
Reference:
http://www.virtualizationadmin.com/articles-tutorials/vmware-esx-and-vsphere-articles/installation-and-deployment/understanding-vmware-esxi-direct- console-user-interface-dcui.html

Question #22
An administrator is given a bash script that retrieves data for ESXi 6.x host configurations. This data needs to be collected right after the installation of a host and must be run directly on the host.
Which two actions can be used to run this script on an ESXi host? (Choose two.)
  1. A
    Connect to the host with Ruby vSphere Console and run the script from there.
  2. B
    Enable SSH access from the Direct Console User Interface.
  3. C
    Enable the ESXi Shell from the Direct Console User Interface.
  4. D
    Run the script directly from the vSphere Web Client.

Correct Answer:
BC
The Direct Console User Interface (DCUI) allows you to interact with the host locally using text-based menus. You can use the Direct Console User Interface to enable local and remote access to the ESXi Shell.
Reference:
https://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vsphere.security.doc_50%2FGUID-94F0C54F-05E3-4E16-8027-
0280B9ED1009.html

Question #23
What is the default load balancing policy for a newly created VMkernel port on a vSphere Distributed Switch?
  1. A
    Route based on originating virtual port ID
  2. B
    Route based on IP Hash
  3. C
    Route based on source mac address
  4. D
    Route based on physical NIC load

Correct Answer:
A
The default load balancing policy is route based on originating virtual port ID.
Reference:
https://pubs.vmware.com/vsphere-60/topic/com.vmware.ICbase/PDF/vsphere-esxi-vcenter-server-60-networking-guide.pdf
(page 47)

Question #24
How are ports scaled on vSphere Standard Switches (vSS)?
  1. A
    Ports on a vSS can be dynamically scaled up and down.
  2. B
    Ports on a vSS can only be statically scaled up or down.
  3. C
    Ports on a vSS can only be dynamically scaled down.
  4. D
    Ports on a vSS can only be dynamically scaled up.

Correct Answer:
A
To ensure efficient use of host resources on hosts running ESXi 5.5 and later, the number of ports of standard switches are dynamically scaled up and down. A standard switch on such a host can expand up to the maximum number of ports supported on the host.
Reference:
https://pubs.vmware.com/vsphere-60/index.jsp?topic=%2Fcom.vmware.vsphere.networking.doc%2FGUID-350344DE-483A-42ED-B0E2-
C811EE927D59.html

Question #25
Which three connection types are available when configuring a vSwitch in the vSphere Web Client? (Choose three.)
  1. A
    VMkernel Network Adapter
  2. B
    Physical Network Adapter
  3. C
    Virtual Machine Port Group for a Standard Switch
  4. D
    vMotion Network Adapter
  5. E
    vSAN Network Adapter

Correct Answer:
ABC
Vmkernel network adapter, physical network adapter and virtual machine port group for standard switch are the connection types available when configuring
Switch in vSphere client.
Reference:
https://pubs.vmware.com/vsphere-55/topic/com.vmware.ICbase/PDF/vsphere-esxi-vcenter-server-55-networking-guide.pdf

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