List the five steps that a switch performs for each frame.
What will be an ideal response?
A switch's operation can be summarized in these steps:
1. The switch receives a frame.
2. The switch reads the source and destination MAC addresses.
3. The switch looks up the destination MAC address in its switching table.
4. The switch forwards the frame to the port where the computer owning the MAC address is found.
5. The switching table is updated with the source MAC address and port information.
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Indicate whether the statement is true or false
Which of the following statements is false?
a. All exceptions must derive from the class Throwable. b. The class Throwable provides the method getStackTrace that outputs the stack trace to the standard error stream. c. The class Throwable provides the method getMessage that returns the descriptive string stored in an exception. d. The string returned from class Throwable’s getMessage method contains the name of the exception’s class.