[&] Which of the following are true about virtual switches? (Select the best answer)
- They are used to allow virtual machines to connect with other devices outside of the physical host.
- They are used to allow virtual machines within the same host to exchange data with each other
- All of these answers are correct. -- Correct
- They are used to keep virtual machines within the same host isolated from each other.

[&] Which of the following are examples of virtual switches that are integrated into Type-1 Hypervisors? (Select two answers)
- Microsoft Hyper-V  -- Correct
- VMware's ESXi vSwitch -- Correct
- Cisco Nexus 1000V
- Cisco IOSvL2

[&] Which of the following are true about virtual switches? (Select three answers)
- Some can support MAC address learning -- Correct
- Type-1 Hypervisors typically provide a single virtual switch by default -- Correct
- Type-1 Hypervisors only support the use of a single virtual switch
- Many support 802.1q VLAN Trunking -- Correct
- Virtual switches must be configured via some kind of command line.