Flashcards in Chapter 11 - Supplement - Sheet1 Deck (40)
VLANs break up ________ domains in a Layer 2 switched network.
Switches, by default, only break up ________ domains.
What does trunking provide?
Allows you to send information about many or all VLANs through the same link.
You need to power a device such as an access point or IP phone. What protocol can provide power to these devices over an Ethernet cable?
You plug a host into a switch port and the host receives an IP address but the user can’t get to the services it needs. What is probably the problem?
VLAN port membership could be wrong
If a destination MAC address is not in the forward/filter table, what will the switch do with the frame?
Flood the frame out all ports except the port on which it was received
What are the three switch functions at Layer 2?
Address learning, filtering, and loop avoidance
If a frame is received on a switch port and the source MAC address is not in the forward/filter table, what will the switch do?
It will add the source MAC address to the forward/filter table
What is used at Layer 2 to prevent switching loops?
Spanning tree protocol.