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Pass the WGU Courses and Certificates Foundations-of-Computer-Science Questions and answers with Dumpstech

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Questions # 11:

Which type of files are meant to be inaccessible to standard users, but can be critical in terms of functionality?

Options:

A.

Extension files

B.

Log files

C.

System files

D.

Backup files

Questions # 12:

Which method converts the default smallest-to-largest index order of a list to instead be the opposite?

Options:

A.

reverse()

B.

sortDescending()

C.

flip()

D.

invert()

Questions # 13:

What type of encryption is provided by encryption utilities built into the file system?

Options:

A.

Encryption in motion

B.

Encryption authentication

C.

Encryption at rest

D.

Encryption steganography

Questions # 14:

Which order is impossible when traversing a binary tree using depth first search?

Options:

A.

Level-order traversal

B.

Pre-order traversal

C.

Post-order traversal

D.

In-order traversal

Questions # 15:

What code would print a subarray of the first 5 elements in numpy_array?

Options:

A.

print(numpy_array[1:5])

B.

print(numpy_array.get(0, 5))

C.

print(numpy_array[:5])

D.

print(numpy_array.get(5, 1))

Questions # 16:

What is the main advantage of using NumPy arrays over regular Python lists for data analysis?

Options:

A.

NumPy arrays can bring different types into the array at the same time.

B.

NumPy arrays can only hold elements of the same type.

C.

NumPy arrays can perform calculations over entire collections of values.

D.

NumPy arrays can concatenate lists by default.

Questions # 17:

Which aspect is excluded from a NumPy array’s structure?

Options:

A.

The data pointer

B.

The shape of the array

C.

The data type or dtype pointer

D.

The encryption key of the array

Questions # 18:

What is the first step in the selection sort algorithm?

Options:

A.

Find the highest value and the lowest value in the list.

B.

Swap the first and last elements.

C.

Determine the lowest value starting from the first position.

D.

Sort the list in descending order.

Questions # 19:

What is the slicing outcome of client_locations[1:3] from client_locations = ["TX", "AZ", "UT", "NY"]?

Options:

A.

["TX", "AZ"]

B.

["AZ", "UT"]

C.

["UT", "NY"]

D.

["TX", "UT"]

Questions # 20:

What statistical measure can be used to detect outliers in a dataset using NumPy?

Options:

A.

Variance

B.

Standard deviation

C.

Median absolute deviation

D.

Mode

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