Microsoft 98-381 Online Practice Questions and Exam Preparation

Microsoft 98-381 Online Questions & Answers

• Question 1:

  The ABC company is creating a program that allows customers to log the number of miles biked. The program will send messages based on how many miles the customer logs. You create the following Python code. Line numbers are included for reference only.

  

  You need to define the two required functions.

  Which code segments should you use for line 01 and line 04? Each correct answer presents part of the solution? (Choose two.)

  A. 01 def get_name():
  B. 01 def get_name(biker):
  C. 01 def get_name(name):
  D. 04 def calc_calories():
  E. 04 def calc_calories(miles, burn_rate):
  F. 04 def calc_calories(miles, calories_per_mile):
  A. 01 def get_name():
  F. 04 def calc_calories(miles, calories_per_mile):

  ---

  explanation:

  References: https://www.w3resource.com/python/python-user-defined-functions.php

• Question 2:

  You develop a Python application for your company.

  You want to add notes to your code so other team members will understand it.

  What should you do?

  A. Place the notes after the # sign on any line
  B. Place the notes after the last line of code separated by a blank line
  C. Place the notes before the first line of code separated by a blank line
  D. Place the notes inside of parentheses on any time
  A. Place the notes after the # sign on any line

  ---

  explanation:

  References: http://www.pythonforbeginners.com/comments/comments-in-python

• Question 3:

  This question requires that you evaluate the underlined text to determine if it is correct.

  You write the following code:

  

  The out.txt file does not exist. You run the code. The code will execute without error.

  Review the underlined text. If it makes the statement correct, select "No change is needed". If the statement is incorrect, select the answer choice that makes the statement correct.

  A. No change is needed
  B. The code runs, but generates a logic error
  C. The code will generate a runtime error
  D. The code will generate a syntax error
  A. No change is needed

  ---

  explanation:

  References: https://docs.python.org/2/library/exceptions.html

• Question 4:

  You are creating a function that reads a data file and prints each line of the file. You write the following code. Line numbers are included for reference only.

  

  The code attempts to read the file even if the file does not exist.

  You need to correct the code.

  Which three lines have indentation problems? Each correct answer presents part of the solution. (Choose three.)

  A. Line 01
  B. Line 02
  C. Line 03
  D. Line 04
  E. Line 05
  F. Line 06
  G. Line 07
  H. Line 08
  F. Line 06
  G. Line 07
  H. Line 08

• Question 5:

  You develop a Python application for your school.

  You need to read and write data to a text file. If the file does not exist, it must be created. If the file has content, the content must be removed.

  Which code should you use?

  A. open("local_data", "r")
  B. open("local_data", "r+")
  C. open("local_data", "w+")
  D. open("local_data", "w")
  C. open("local_data", "w+")

  ---

  explanation:

  Modes 'r+', 'w+' and 'a+' open the file for updating (reading and writing). Mode 'w+' truncates the file.

  References:

  https://docs.python.org/2/library/functions.html

  https://pythontips.com/2014/01/15/the-open-function-explained/

• Question 6:

  You develop a Python application for your company.

  You need to accept input from the user and print that information to the user screen.

  You have started with the following code. Line numbers are included for reference only.

  

  Which code should you write at line 02?

  A. name = input
  B. input("name")
  C. input(name)
  D. name = input()
  B. input("name")

• Question 7:

  You are writing a Python program to automate inventory. Your first task is to read a file of inventory transactions. The file contains sales from the previous day, including the item id, price, and quantity. The following shows a sample of data from the file:

  

  The code must meet the following requirements: Each line of the file must be read and printed If a blank line is encountered, it must be ignored When all lines have been read, the file must be closed

  You create the following code. Line numbers are included for reference only.

  

  Which code should you write for line 05 and line 06?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  A. Option A

  ---

  explanation:

  https://www.dotnetperls.com/readline-python

• Question 8:

  HOTSPOT

  You create a function to calculate the power of a number by using Python.

  You need to ensure that the function is documented with comments.

  You create the following code. Line numbers are included for reference only.

  

  For each of the following statements, select Yes if the statement is true. Otherwise, select No.

  Hot Area:

  

  

• Question 9:

  HOTSPOT

  You are developing a Python application for an online game.

  You need to create a function that meets the following criteria: The function is named update_score The function receives the current score and a value The function adds the value to the current score The function returns the new score

  How should you complete the code? To answer, select the appropriate code segments in the answer area.

  Hot Area:

  

  

• Question 10:

  HOTSPOT

  For each of the following statements, select Yes if the statement is true. Otherwise, select No.

  Hot Area: