CompTIA Network+ Network+ Ethernet Switching and VLANs 2

Question 1

A switch receives a frame destined for a MAC address not in its CAM table. What does it do?

Accepted Answer

Floods the frame out all ports except the receiving port

Answer

Drops the frame

Answer

Sends an ARP request

Answer

Forwards the frame to the default gateway

Question 2

Which IEEE standard defines the 802.1Q VLAN tagging mechanism?

Accepted Answer

IEEE 802.1Q

Answer

IEEE 802.1D

Answer

IEEE 802.1X

Answer

IEEE 802.1W

Question 3

What is the size of the VLAN ID field in an 802.1Q tag?

Accepted Answer

12 bits

Answer

8 bits

Answer

10 bits

Answer

16 bits

Question 4

A port configured as an access port receives a frame with an 802.1Q tag. What should a properly configured switch do?

Accepted Answer

Drop the frame

Answer

Forward it normally

Answer

Strip the tag and forward

Answer

Send the frame to the native VLAN

Question 5

Which spanning tree port state allows a port to learn MAC addresses but NOT forward user traffic?

Accepted Answer

Learning

Answer

Blocking

Answer

Listening

Answer

Forwarding

Question 6

What type of switch port carries traffic for multiple VLANs simultaneously?

Accepted Answer

Trunk port

Answer

Access port

Answer

Hybrid port

Answer

Monitor port

Question 7

Which attack exploits the switch's default behavior of adding all VLANs to trunk ports?

Accepted Answer

VLAN hopping

Answer

MAC flooding

Answer

ARP spoofing

Answer

DHCP starvation