Part 1

We have 7 devices connected to an 8-port Hub. Each device is numbered starting with 0, and each port of the Hub is also numbered starting with 0.

Device 0 has MAC address 00-03-47-1A-32-F7 and is connected to port 0 of the Hub.

Device 1 has MAC address 4C-34-88-42-ED-16 and is connected to port 1 of the Hub.

Device 2 has MAC address 2C-AB-A4-26-37-CF and is connected to port 2 of the Hub.

Device 3 has MAC address 00-13-02-98-37-DD and is connected to port 3 of the Hub.

Device 4 has MAC address 00-22-6B-3C-AA-25 and is connected to port 4 of the Hub.

Device 5 has MAC address C8-1F-66-26-32-AF and is connected to port 5 of the Hub.

Device 6 has MAC address C8-1F-66-CB-97-7A and is connected to port 6 of the Hub.

The Hub and all the devices are cold-started, and the following Ethernet frames are sent on the network in sequence:

Frame 0 (source 00-03-47-1A-32-F7 destination 00-13-02-98-37-DD)

Frame 1 (source C8-1F-66-26-32-AF destination 4C-34-88-42-ED-16)

Frame 2 (source 00-03-47-1A-32-F7 destination C8-1F-66-CB-97-7A)

Frame 3 (source C8-1F-66-26-32-AF destination 00-22-6B-3C-AA-25)

Frame 4 (source 2C-AB-A4-26-37-CF destination C8-1F-66-26-32-AF)

The following questions ask you to find out which of these frames will be heard at selected ports. Your answer must be a comma-separated list of frame numbers in the order heard at the port.

1a. Assuming you are monitoring port 0 of the Hub, which of the frames would be heard at this port? [1 mark(s)]

1b. Assuming you are monitoring port 1 of the Hub, which of the frames would be heard at this port? [1 mark(s)]

1c. Assuming you are monitoring port 2 of the Hub, which of the frames would be heard at this port? [1 mark(s)]

1d. Assuming you are monitoring port 3 of the Hub, which of the frames would be heard at this port? [1 mark(s)]

Part 2

We have 4 devices connected to an 8-port Switch.

Each device is numbered starting with 0, and each port of the Switch is also numbered starting with 0.

Device 0 has MAC address 18-59-33-8D-FB-59 and is connected to port 0 of the Switch.

Device 1 has MAC address 00-0F-66-5C-5C-D6 and is connected to port 1 of the Switch.

Device 2 has MAC address 00-22-6B-A9-B9-E8 and is connected to port 2 of the Switch.

Device 3 has MAC address 44-E0-8E-32-E6-82 and is connected to port 3 of the Switch.

The Switch and all the devices are cold-started, and the following Ethernet frames are sent on the network in sequence:

Frame 0 (source 18-59-33-8D-FB-59 destination 00-0F-66-5C-5C-D6)

Frame 1 (source 00-22-6B-A9-B9-E8 destination 00-0F-66-5C-5C-D6)

Frame 2 (source 00-22-6B-A9-B9-E8 destination 44-E0-8E-32-E6-82)

Frame 3 (source 00-0F-66-5C-5C-D6 destination 18-59-33-8D-FB-59)

Frame 4 (source 44-E0-8E-32-E6-82 destination 18-59-33-8D-FB-59)

Frame 5 (source 44-E0-8E-32-E6-82 destination 00-22-6B-A9-B9-E8)

The following questions ask you to find out which of these frames will be sent out from selected ports. Your answer must be a comma-separated list of frame numbers in the order sent out from the port.

2a. Assuming you are monitoring port 0 of the Switch, which of the frames would be sent out from this port? [2 mark(s)]

2b. Assuming you are monitoring port 1 of the Switch, which of the frames would be sent out from this port? [2 mark(s)]

2c. Assuming you are monitoring port 2 of the Switch, which of the frames would be sent out from this port? [2 mark(s)]

2d. Assuming you are monitoring port 3 of the Switch, which of the frames would be sent out from this port? [2 mark(s)]