Which HDLC field is equivalent to the preamble in Ethernet?
A) Flag
B) Address
C) Control
D) FCS
A
Explanation: A) The flag in HDLC and the preamble in Ethernet both provide a recognizable bit pattern so that the receiving nodes realize a new frame is arriving.
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MC Which of the following correctly calls a function with the following header: def ( name, number1 = "one", number2 = "two" ):?
a) test ( number1 = "two", "Name" ). b) test ( "Name", number2 = "one" ). c) test ( number1 = "three" ). d) All of the above.
Problems using switch logic to deal with many objects of different types do not include:
a. Forgetting to include an object in one of the cases. b. Having to update the switch statement whenever a new type of object is added. c. Having to track down every switch statement to do an update of object types. d. Not being able to implement separate functions on different objects.
In a PHP __________, you can group together functionality that may be reused in multiple classes.
a. interface b. trait c. per-class constant d. constructor
If you include a watermark, it will only be displayed in Read Mode or when the document is printed
Indicate whether the statement is true or false