Which of the following comparisons does a switch make when deciding whether a new MAC address?

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4. Which of the following comparisons does a switch make when deciding whether a new MAC addressshould be added to its bridging table?a.It compares the unicast destination address to the bridging, or MAC address, table.b.It compares the unicast source address to the bridging, or MAC address, table.c.It compares the VLAN ID to the bridging, or MAC address, table.d.It compares the destination IP address’s ARP cache entry to the bridging, or MAC address, table

5. PC1, with MAC address 1111.1111.1111, is connected to Switch SW1’s Fa0/1 inter- face. PC2, withMAC address 2222.2222.2222, is connected to SW1’s Fa0/2 interface. PC3, with MAC address3333.3333.3333, connects to SW1’s Fa0/3 interface. The switch begins with no dynamically learned MACaddresses, followed by PC1 sending a frame with a destination address of 2222.2222.2222. If the nextframe to reach the switch is a frame sent by PC3, destined for PC2’s MAC address of 2222.2222.2222,which of the following are true?

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1.Which of the following comparisons does a switch make when deciding whether a newMAC address should be added to its MAC address table?AIt compares the unicast source address to the bridging, or MAC address, table.Explanation:Answer A is correct.Switches need to learn the location of each MAC address used in the LAN relative to that localswitch. When a switch receives a frame, the source MAC identifies the sender. The interface inwhich the frame arrives identifies the local switch interface closest to that node in the LANtopology.Lesson:Analyzing Ethernet LAN Switching

Objective:LAN Switching Concepts2.Which of the following statements describes part of the process of how a switch decidesto forward a frame destined for a known unicast MAC address?

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Which of the following comparisons does a switch make when deciding whether a new MAC?

Which of the following comparisons does a switch make when deciding whether a new MAC address should be added to its MAC address table? a. It compares the unicast destination address to the bridging, or MAC address, table.

How does a switch decide to forward a frame destined for a unicast MAC address?

To forward the frame, the switch examines the destination MAC address and compares it to addresses found in the MAC address table. If the address is in the table, the frame is forwarded out the port associated with the MAC address in the table.

Which of the following statements describes part of the process of how a LAN switch decides to forward a frame destined for a broadcast MAC address quizlet?

Which of the following statements describes part of the processes of how a LAN switch decides to forward a frame destined for a broadcast MAC? It forwards the frame out all interfaces in the same VLAN except for the incoming interface.

When a switch receives a frame with a source MAC address that it has not seen previously?

Explanation. When a switch receives a frame from a destination it does not know, it inserts the source mac address into its CAM table (a table which maps mac addresses to ports) and forwards the frame to all ports. The process of broadcasting a unicast frame is called unknown unicast.