ITN 07.03 The MAC Address Table

Front

An Ethernet switch has no entries in the MAC address table. A frame comes in from a port. How does the switch forward the frame?

Back

The frame is sent out on all ports except for the port from which the frame was received.

Front

An Ethernet switch receives a frame. The destination MAC address in the frame header has an entry in the MAC address table. How does the switch forward the frame?

Back

The frame is only sent out on the port mapped to the destination address in the MAC address table.

Front

An Ethernet switch receives a frame. The destination MAC address in the frame header does not have an entry in the MAC address table. How does the switch forward the frame?

Back

The frame is sent out on all ports except for the port from which the frame was received.

Front

When a device has an IP address that is on a remote network, the Ethernet frame cannot be sent directly to the destination device. Instead, the Ethernet frame is sent to the MAC address of the _____________, the router.

Back

Default Gateway

Front

An Ethernet switch has no entries in the MAC address table. A frame comes in from a port with a unicast source and destination MAC address. How does the switch update the MAC address table?

Back

The source MAC address is assigned to the port on which the frame was received.

Front

A switch receives a frame. The source MAC address is already in the MAC address table. The destination MAC address is FF-FF-FF-FF-FF-FF. How is the MAC address table updated?

Back

No update is needed. The frame received should be flooded out all other ports.

Front

How long do most Ethernet switches keep an entry in the MAC address table?

Back

5 minutes