A consultant has been tasked to assess a client's network. The client reports frequent network outages. Upon viewing the spanning tree configuration, the consultant notices that an old and law performing edge switch on the network has been elected to be the root bridge.Which of the following explains this scenario?
A. The switch also serves as the DHCP server
B. The switch has the lowest MAC address
C. The switch has spanning tree loop protection enabled
D. The switch has the fastest uplink port
Answer: C. The switch has spanning tree loop protection enabled
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Mistakes that allow a program to run, but cause it to produce erroneous results are called
A) syntax errors. B) logic errors. C) compiler errors. D) linker errors. E) none of the above.
What happens when you define a class that used dynamic memory allocation and define a destructor but no copy constructor?
a. If an object of the class is plugged in for a call-by-value parameter, when the function ends, the parameter's dynamic memory is returned to the freestore at the end of the function execution. b. When an object that was used as an argument for a call-by-value parameter goes out of scope, it will cause a run-time error. c. It is possible to modify the values in the argument in the function. d. All of the above e. None of the above