What does the command vlan dot1q tag native accomplish when configured under global configuration?

When you design a switched network using VTPv2, how many VLANs can be used to carry user traffic?

The network manager has requested that several new VLANs (VLAN 10, 20, and 30) are allowed to traverse the switch trunk interface. After the command
switchport trunk allowed vlan 10,20,30 is issued, all other existing VLANs no longer pass traffic over the trunk. What is the root cause of the

problem?

A network engineer is extending a LAN segment between two geographically separated data centers. Which enhancement to a spanning-tree design prevents
unnecessary traffic from crossing the extended LAN segment?

After configuring new data VLANs 1020 through 1030 on the VTP server, a network engineer notices that none of the VTP clients are receiving the updates. What is
the problem?

A network is running VTPv2. After verifying all VTP settings, the network engineer notices that the new switch is not receiving the list of VLANs from the server.
Which action resolves this problem?

Which two protocols can be automatically negotiated between switches for trunking? (Choose two.)

For security reasons, the IT manager has prohibited users from dynamically establishing trunks with their associated upstream switch. Which two actions can
prevent interface trunking? (Choose two.)

Which technique allows specific VLANs to be strictly permitted by the administrator?

While doing network discovery using Cisco Discovery Protocol, it is found that rapid error tracking is not currently enabled. Which option must be enabled to allow
for enhanced reporting mechanisms using Cisco Discovery Protocol?