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Chapter 3. vNetworking Operations > What Are Virtual Switches?

What Are Virtual Switches?

  • 802.1Q VLAN Tagging

  • vSwitch Maximum Ports

  • vSwitch Connection Types

Cram Saver

If you can correctly answer these questions before going through this section, save time by skimming the Exam Alerts in this section and then completing the Cram Quiz at the end of the section.

1.How does 802.1Q help virtual switches?

A.It allows VMs to join VLANs.
B.It allows a virtual switch to identify packets destined for a specific VM.
C.It is port trunking on the physical NICs.
D.It allows physical NICs to join VLANs.


2.What is the maximum number of ports that a standard virtual switch can support?

A.4086
B.4087
C.4088
D.4089


3.How many different connection types does a virtual switch have?

A.2
B.3
C.4
D.Unlimited


Answers

1.B is correct. 802.1Q is configured at the port group level and allows the virtual switch to pass packets to the corresponding VM in the right port group.
2.C is correct. The maximum number of ports that are supported with a standard virtual switch is 4088.
3.B is correct. A virtual switch has 3 connection types: VMkernel, Service Console, and virtual machine.



  

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