What is accomplished by hiding implementations of a stack in a class?

a. client code can access any entries of the stack
b. only the top of the stack can be accessed by client code
c. you can also treat the ADT as a queue
d. the code runs faster

b. only the top of the stack can be accessed by client code


Computer Science & Information Technology

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Which of the following is a falsy value??

A. ?true B. ?-1 C. ?0 D. ?1

Computer Science & Information Technology

Which command on an Arista switch would require an SNMP notification when too many devices try to connect to a port?

A. mac-limit B. switchport port-security C. storm-control D. shutdown

Computer Science & Information Technology