QUESTION 25

Which of the following bit patterns represents -21 in two's complement notation

		101011
		110011
		110101
		101010

2.5 points

QUESTION 26

Which of the following answer(s) might be obtained by means of outlier analysis?

1. Which are the flawed parts on a production line conveyor belt? 2. What items have not sold during the last two days? 3. What sales region generated the most orders over the last sales period? 4. Which shoppers in a busy shopping mall are potential shoplifters?

		1 2
		1 4
		1 2 4
		2 3 4

2.5 points

QUESTION 27

What is the base 2 representation of the following base 10 number ?

35

		0111001
		0100011
		0101011
		0100101

2.5 points

QUESTION 28

Which layer of the TCP/IP hierarchy decides the direction in which message segments are transferred across the Internet?

		Application
		Transport
		Network

2.5 points

QUESTION 29

Given the follwing python code, what is the output?

a = set((1, 2, 3 )) b = set((2, 3, 4 )) c = set((3, 4, 5 )) d = (a & b) | c print(d) 

		{2, 3, 4, 5}
		{1, 2, 3, 4}
		None of the above
		{2, 3, 4}

2.5 points

QUESTION 30

Let A = { 1, 2, 3 }

How many tuples are in the Cartesian product AxA ?

		6
		12
		23
		32