Ethernet protocol used on each incoming link, so ..

Ethernet protocol used on each incoming link, so …

Hosts __________ connection to switch.

Switching: A-to-A' and B-to-B' can transmit simultaneously, with collisions

… learns which hosts can be reached through which interfaces

Switches perform which two functions?

What information is typically stored in a switch table entry?

Frame destination, A', location unknown

self-learning switches can’t be connected together

compute tables using routing algorithms, IP addresses

What is the primary advantage of routers over switches?

network-layer devices (examine network-layer headers)

When should a network use switches instead of routers?

Routers provide firewall protection against layer-2
broadcast storms

What problem can be solved by using VLANs?

Switch(es) supporting … capabilities can be configured to define multiple virtual LANS over single physical LAN infrastructure

trunk port: carries frames between VLANS defined over multiple physical switches

ports can't be dynamically assigned among vlans.

port-based VLAN: switch ports grouped (by switch management software) so that single physical switch operates as … virtual switches

of Dynamic membership: ports can be dynamically assigned among vlans.

earn forwarding table using flooding, learning, MAC addresses