MODULE 3 Flashcards
A developer issues the Linux command pip3 freeze in an activated Python 3 virtual environment. What is the function that is provided by the command?
to output a list of installed Python packages
to lock the current virtual environment
to prepare the environment before installing a Python package
to deactivate the current virtual environment
to output a list of installed Python packages
How does an application use a module in Python?
Through the include statement
By calling the module name
Through the import statement
By using an assignment statement with a variable
Through the import statement
A developer issues a Linux command python3 -m venv devenv . What is the developer trying to achieve?
to activate the Python 3 virtual environment named devenv
to enter the Python 3 virtual environment named veny using the devnet tool sets
to install the devnet tool sets in the Python 3 virtual environment named veny
to create a Python 3 virtual environment named devenv
to create a Python 3 virtual environment named devenv
What are the three states of a Git file? (Choose three.)
Committed
Modified
Staged
Locked
Secured
Deleted
Committed
Modified
Staged
A developer wants to find the location of the Python 3 executable file. Which command should the developer use?
find python3
which python3
where python3
locate python3
which python3
What special characters are used to enclose JSON objects?
forward slash /
square brackets []
curly braces {}
parenthesis ()
curly braces {}
Which statements describes the Waterfall methodology of software development?
Process tasks are broken up into time-boxed iterations called sprints.
Each step in the process must be completed before the next step starts
It emphasizes elimination of wasted effort and maximizes customer value.
Multiple steps in the process are started simultaneously.
Each step in the process must be completed before the next step starts
Which term is used to describe the first line of an XML document?
Preamble
Prologue
Introduction
Opening
Prologue
Which SDLC phase concludes with functional code that satisfies customer requirements and is ready to be tested?
Implementation
Deployment
Testing
Maintenance
Implementation
What characteristic describes a formal code review?
Code is automatically sent for review by source code management systems once it is checked in.
The entire code base is reviewed in a series of meetings.
It utilizes a peer code review tool to identify code that needs retesting.
It provides direct interaction between the review team and the code author.
The entire code base is reviewed in a series of meetings.
Which two programming components are defined as blocks of code that perform tasks when executed? (Choose two.)
Arguments
Methods
Parameters
Objects
Functions
Functions
Methods
Which fundamental Lean principle forms the basis from which all other Lean principles flow?
build integrity in
eliminate waste
deliver as fast as possible
amplify learning
eliminate waste
Using the interactive interpreter mode, a student issues these commands:
> > > class Uri():
… def_init__(self, host, prot):
… self.host = host
… self.prot = prot
… self.url = self.prot + “://” + self.host
Which command should the student use to create an object with one attribute being a valid URL?
> > > url2 = Url(URL, ‘http://’, ‘www.cisco.com’)
url2 = Url(‘http’, ‘://’, ‘www.cisco.com’)
url2 = Url(‘www.cisco.com’, ‘http’)
url2 = Url(‘http’, ‘www.cisco.com’)
> > > url2 = Url(‘www.cisco.com’, ‘http’)
What is clean code?
code that has no reviewer comments
code that has passed functional testing
code that is easy to read and understand
code that performs a discrete task
code that is easy to read and understand
What is the role of the view component in the Model-View-Controller (MVC) flow?
It accepts selected data and displays the visual representation to the user.
It accepts the input and applies the required rules to format the data.
It requests user input and manipulates it to fit the format for the model.
It manages the data, logic and rules of the application.
It accepts selected data and displays the visual representation to the user.
When a unified .diff file is being reviewed, which symbol is used to indicate that a line has been added?
/dev/null
@@
+
-
+
What is the role of the controller component in the Model-View-Controller (MVC) flow?
It takes user input and manipulates it to the proper format for the model.
It accepts selected data and displays it to the user.
It provides visual representations and presentations of the data.
It takes in user input and manipulates it to fit the format for the model or view.
It takes user input and manipulates it to the proper format for the model.
Which code review method involves the developer going through the code line-by-line with the reviewer, allowing the developer to make changes on the spot?
Email pass-around
Formal
Change-based
Over-the-shoulder
Over-the-shoulder
A developer is constructing some function in Python. When is a function referred to as a module in Python?
when the function is declared during the execution of a Python program
when the function is initiated during the execution of a Python program
when the function is packaged in a single Python file
when the function is used for the first time
when the function is packaged in a single Python file
Which SDLC development methodology employs many quick iterations known as sprints?
Agile
Waterfall
Lean
Extreme Programming
Agile
What are two features of the formal code review? (Choose two.)
For a quicker turnaround, it involves only one reviewer.
It involves the developer going through code with the reviewer line-by-line.
It promotes discussion among all of the reviewers.
It allows the developer to make changes on the spot.
It involves a review of the entire code base in a series of meetings.
It promotes discussion among all of the reviewers.
It involves a review of the entire code base in a series of meetings.
Which software development methodology prescribes that developers follow a strict process order by completing one step in the SDLC process before proceeding to the next step.
Scrum
Lean
Waterfall
Agile
Waterfall
What are two characteristics of the Git version control system? (Choose two.)
It is a local vcs.
It is a centralized VCS.
It is a distributed VCS.
It is Microsoft proprietary.
It is Cisco proprietary.
It is open source.
It is a distributed VCS.
It is open source.
