Which three statements about the MST protocol (IEEE 802.1S) are true? (Choose three)

Switch R1 has been configured with the root guard feature. What statement is true if the spanning tree enhancement Root Guard is enabled?

You are the network administrator tasked with designing a switching solution for the Company network. Which of the following statements describing trunk links are INCORRECT? (Choose four)

ISL is being configured on a Company switch. Which of the following choices are true regarding the ISL protocol? (Choose two)

Which of the following trunking modes are unable to request their ports to convert their links into trunk links? (Choose two)

You are the network administrator at Company and switch R1 is configured as shown below:

interface GigabitEthernet0/1
switchport mode trunk
switchport trunk encapsulation dot1q
switchport trunk native vlan 5

If untagged frames are arriving on interface GigabitEthernet0/1 of R1, which of the following statement are correct?

If you were to configure an ISL Ethernet trunk between two Cisco switches, named R1 and R2, what would you have to include at the end of the link for the trunk to operate correctly? (Choose two)

Which statement is true regarding the configuration of ISL trunks?

A new Company switch was just configured using the "switchport trunk native vlan 7" command. What does this interface command accomplish?

You need to configure a new Company switch to support DTP. Which DTP switchport mode parameter sets the switch port to actively send and respond to DTP negotiation frames?