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?

While using a packet analyzer, you notice four additional bytes being added to the packets in the Company network. Which protocol inserts a four byte tag into the Ethernet frame and recalculates CRC value?

Which switch command enables a trunking protocol that appends a four byte CRC to the packet?

Switch R1 has been configured with DTP using the desirable option. Which statement describes Dynamic Trunking Protocol (DTP) desirable mode?

Which three statements are correct with regard to the IEEE 802.1Q standard? (Choose three)

The Company core switches use 802.1Q trunks to connect to each other. How does 802.1Q trunking keep track of multiple VLANs?