Data-Link Layer

What is the advantage of a Switch compared to a HUB?

• Low Cost

• Occur Collision Domain

• Detection Collision Domain

• Connecting hosts

• set of nodes connected to the same shared medium

How the switch works to prevent CD ?

• Listen Before Sending

• Listen While Sending

• Instability

• Resend After Delay

which does not include Frame Processing Behaviors of a Switch?

• Flooding

• Fowarding

• Discarding

• Broadcasting

Statement about MAC addresses and IP Address are true ?

• MAC addresses are unique

• IP addresses are changeable.

• IP addresses are assigned based on network topology

• MAC addresses cannot be changed.

• IP Addresses cannot be changed

What is the length of MAC Address

• 128 Bits

• 32 Bits

• 48 Bits

• 12 Bits

Unusable MAC address ?

• FF-FF-FF-FF-FF-FF

• 00-AA-BB-CC-DD-EE

• 01-AA-BB-CC-DD-EE

• 02-AA-BB-CC-DD-EE

Max length of ethernet frame ?

• 1500

• 1480

• 1520

• 1518

How mac address table filled ?

• Source Mac & incoming port

• Source Mac & outgoing port

• Destination Mac & incoming port

• Destination Mac & outgoing port

After a switch restarts, static MAC address entries saved on the switch remain in the MAC address table.

• True

• False

The ARP protocol can resolve the MAC address of a destination device from the corresponding destination IP address, mapping the MAC address and IP

• False

• True