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?

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?

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

You need to connect two Company core switches via an ISL trunk. Which statement is true
regarding the configuration of ISL trunks?

Refer to the exhibit.

VLAN 1 and VLAN 2 are configured on the trunked links between Switch
A and Switch B. Port Fa 0/2 on Switch B is currently in a blocking state for both VLANs.
What should be done to load balance VLAN traffic between Switch A and Switch B?

Which of the following technologies would an Internet Service Provider use to support
overlapping customer VLAN ID’s over transparent LAN services?

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?
(Select two)

You are the network administrator at Company and switch R1 is configured as shown below:
Interface gigethernet 0/1
Switchport mode trunk
Switchport trunk encapsulation dot1q
Switchport trunk native vlan 5
If untagged frames are arriving on interface gigethernet 0/1 of R1, which of the following
statement are correct?

If you were to set up a VLAN trunk over a Fast Ethernet link on switch R1, which trunk mode
would you set the local port to on R1 if you wanted it to respond to requests from its link
partner (R2) and become a trunk?

Which of the following trunking modes are unable to request their ports to convert their links
into trunk links? (Select all that apply)