Python Institute PCAP-31-03 Exam Practice Test Instant Access

Question 1

Which of the following statements are true? (Select two answers)

Aopen () is a function which returns an int that represents a physical file handle

Bthe second open () argument is optional

Cinstd, outstd, errstd are the names of pre-opened streams

Dif invoking open () fails, the value None is returned

Answer : A, B

Question 2

Assuming that the following code has been executed successfully, select the expressions which evaluate to True (Select two answers.)

Aa is not None

Ba ! =b

Cb () ==4

Da () == 4

Answer : B, D

Question 3

The__bases__property contains:

Abase class locations (addr)

Bbase class objects (class)

Cbase class names (str)

Dbase class ids (int)

Answer : C

Question 4

What is true about Python packages? (Select two answers)

Athe__name__variable always contains the name of a package

Ba package is a group of related modules

Cthe pyc extension is used to mark semi-compiled Python packages

Da package is a single file whose name ends with the pa extension

Answer : B, C

Question 5

What is true about Object-Oriented Programming in Python? (Select two answers)

Aencapsulation allows you to protect some data from uncontrolled access

Bthe arrows on a class diagram are always directed from a superclass towards its subclass

Cinheritance is the relation between a superclass and a subclass

Dan object is a recipe for a class

Answer : A, C

Question 6

If you want to transform a string into a list of words, what invocation would you use? (Select two answers)

Expected output:

As.split ()

Bsplit (s, ' ')

Cs.split (' ')

Dsplit (s)

Answer : A, C

Question 7

A method for passing the arguments used by the following snippet is called:

Asequential

Bnamed

Cpositional

Dkeyword