ICND1 LAN Switching Technologies 2

Question 1

Which STP port state forwards frames and learns MAC addresses?

Accepted Answer

Forwarding

Answer

Only the Forwarding state both learns MAC addresses and forwards data frames.

Question 2

What is the default bridge priority value used in Spanning Tree Protocol?

Accepted Answer

32768

Answer

The default STP bridge priority is 32768 on all Cisco switches unless manually changed.

Question 3

Which VLAN trunking protocol mode will only forward VLANs that are created locally on the switch?

Accepted Answer

VTP Transparent

Answer

VTP Transparent mode does not participate in VTP domain synchronization and only uses locally configured VLANs.

Question 4

What command correctly assigns an access port to VLAN 20 on a Cisco switch?

Accepted Answer

switchport access vlan 20

Answer

The command 'switchport access vlan 20' assigns the interface to VLAN 20 as an access port.

Question 5

Which field in an 802.1Q frame carries the VLAN identifier?

Accepted Answer

VLAN ID (VID) within the 4-byte tag

Answer

The 12-bit VID field inside the 4-byte 802.1Q tag identifies the VLAN the frame belongs to.

(ICND1) Interconnecting Cisco Networking Devices Part 1 Practice Test