Test
DevOps - Module 3 to 4
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Preguntas del test (36)
1A developer issues the Linux command pip3 freeze in an activated Python 3 virtual environment. What is the function that is provided by the command?
- Ato output a list of installed Python packages
- Bto lock the current virtual environment
- Cto prepare the environment before installing a Python package
- Dto deactivate the current virtual environment
2What are two characteristics of the Git version control system? (Choose two.)
- AIt is open source
- BIt is Cisco proprietary.
- CIt is Microsoft proprietary.
- DIt is a distributed VCS.
- EIt is a centralized VCS.
- FIt is a local vcs.
3A simple statement of what a user needs and why
- Asprint
- Btasking
- Cstory
- DScrum team
4Uses standup meetings to review progress
- ASprint
- BBacking
- CStory
- DScrum Team
5A time-boxed period where working software is developed
- ASprint
- BBacklog
- CStory
- DScrum Team
6A prioritized list of all of all the features for the software being developed
- ABacking
- BSprint
- CScrum Team
- DStory
7What characteristic describes a formal code review?
- ACode is automatically sent for review by source code management systems once it is checked in.
- BThe entire code base is reviewed in a series of meetings
- CIt utilizes a peer code review tool to identify code that needs retesting.
- DIt provides direct interaction between the review team and the code author.
8Which fundamental Lean principle forms the basis from which all other Lean principles flow?
- ABuild integrity in
- BEliminate waste
- CDeliver as fast as possible
- DAmplify learning
9When a unified diff file is being reviewed, which symbol is used to indicate that a line has been added?
- A/dev/null
- B@@
- C+
10What special characters are used to enclose JSON objects?
- Aforward slash /
- Bsquare brackets []
- Ccurly braces {}
- Dparenthesis()
11What are two features of the formal code review? (Choose two.)
- AFor a quicker turnaround, it involves only one reviewer
- BIt involves the developer going through code with the reviewer line-by-line.
- CIt promotes discussion among all of the reviewers.
- DIt allows the developer to make changes on the spot.
- EIt involves a review of the entire code base in a series of meetings.
12Which statement describes the Waterfall methodology of software development?
- AProcess tasks are broken up into time-boxed iterations called sprints.
- BEach step in the process must be completed before the next step starts
- CIt emphasizes elimination of wasted effort and maximizes customer value.
- DMultiple steps in the process are started simultaneously.
13What is clean code?
- Acode that has no reviewer comments
- Bcode that has passed functional testing
- Ccode that is easy to read and understand
- Dcode that performs a discrete task
14Updates the local copy of the Git repository with the content of the remote Git repository
- Agit init
- Bgit pull
- Cgit push
15Creates an empty Git repository or makes an existing folder a Git repository
- Agit init
- Bgit pull
- Cgit push
16updates the remote Git repository with the content changes from the local Git repository
- Agit init
- Bgit pull
- Cgit push
17What is the role of the view component in the Model-View-Controller (MVC) flow?
- AIt accepts selected data and displays the visual representation to the user.
- BIt accepts the input and applies the required rules to format the data.
- CIt requests user input and manipulates it to fit the format for the model.
- DIt manages the data, logic and rules of the application.
18A developer is constructing some functions in Python. When is a function referred to as a module in Python?
- Awhen the function is declared during the execution of a Python program
- Bwhen the function is initiated during the execution of a Python program
- Cwhen the function is packaged in a single Python file
- Dwhen the function is used for the first time
19A student is learning Python using the interactive interpreter mode. The 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?- A>>> url2 = Url(URL, ‘http://’, ‘www.cisco.com’)
- B>>> url2 = Url(‘http’, ‘://’, ‘www.cisco.com’)
- C>>> url2 = Url(‘www.cisco.com’, ‘http’)
- D>>> url2 = Url(‘http’, ‘www.cisco.com’)
20A developer issues a Linux command python3 -m venv devenv . What is the developer trying to achieve?
- Ato activate the Python 3 virtual environment named devenv
- Bto enter the Python 3 virtual environment named veny using the devnet tool sets
- Cto install the devnet tool sets in the Python 3 virtual environment named veny
- Dto create a Python 3 virtual environment named devenv
21When a unified .diff file is being reviewed, which symbol is used to indicate that a line has been added?
- A@@
- B/dev/null
- C+
- D-
22Refer to the exhibit. A network administrator is using a Python script to test a REST API request. The traceback message indicates that there is an error in the URI. What is a possible issue?
- AThe protocol is wrong.
- BThe query component is missing.
- CThe destination host address is wrong.
- DThe SSL certificate is invalid.
23What is an architectural constraint to which a true RESTful API web service must adhere?
- AIt operates in a stateless way.
- BIt uses HTTPS to transport data.
- CIt must operate along with a DNS server.
- DIt operates as a cloud service.
24Refer to the exhibit. A network administrator is using a Python script to send a REST API request. What is the purpose of the line of code resp = requests.get(url, verify = False) ?
- AIt bypasses the certificate validation check.
- BIt tests the function of the Python requests library
- CIt omits the sending URL in the response.
- DIt skips the URL verification step and tests the resource path.
25A client is sending a REST API request to a web server. The request includes the need for data compression. Which three values are acceptable for the Accept-Encoding request header? (Choose three.)
- A*
- Bxz
- Cbr
- Dgzip
- Etar
- Fzip
26What is the meaning of the term flow as it relates to the OAuth 2.0 authorization framework?
- AIt is the number of requests contained in the token bucket.
- BIt is a process for an API request to send authentication credentials to a web service.
- CIt is a process for an API user to obtain an access token from the authorization server.
- DIt is the sequence of data exchanged between a REST API request and a response
27What is a characteristic of a RESTful API?
- AIt uses HTTP methods to gather and manipulate data.
- BIt is a southbound API.
- CIt facilitates the configuration changes from a network controller to end devices.
- DIt supports a secure data transmission between a remote user and an enterprise network.
28Which characteristic of the SOAP architecture specifies communication between all similar and dissimilar application types?
- Aindependence
- Binterface uniformity
- Cneutrality
- Dextensibility
29In the REST API request URI example http://example.com/update/person?id=42&email=person%40example.com , which term describes the component example.com ?
- Aquery
- Bpath
- Cscheme
- Dauthority
30Which SOAP message root element defines the XML document as a SOAP message?
- AMeta tag
- BBody
- CEnvelope
- DHeader
31Which type of credential information is used for the bearer authentication in REST APIs?
- Aa username and password set by the client
- Ba password encoded using Base64
- Can MD5 hash string generated by the client application
- Da string generated by an authentication server
32What are two purposes for using rate limits on public and unrestricted APIs? (Choose two.)
- Ato avoid a server overloading from too many requests at the same time
- Bto limit the number of authorization requests per API call
- Cto provide better service and response time to all users
- Dto ensure a client uses a multifactor authentication mechanism
- Eto limit the number of passwords that a client can have in making API requests
33Which HTTP response status code indicates that the user is not authenticated to access the site?
- A201
- B400
- C401
- D403
- E404
34Which API architectural style uses an XML-based messaging protocol to communicate between applications?
- ASOAP
- BREST
- CNFS
- DXML-RPC
35A network engineer is learning about Rest APIs. When executing a particular API, the server responds with curl. How is this information useful?
- ACurl shows the retrieved information in JSON format.
- BCurl shows how to access the content displayed in the response body using curl.
- CCurl shows the information the API returned from the server.
- DCurl shows the URL used in the API request.
36In which situation would a synchronous API be used?
- Awhen a server is not part of the process
- Bwhen the original API request or data from the request is delayed
- Cwhen data is being retrieved from a database
- Dwhen the client is not required to take action
Información
- Descripción
- Test sobre DevOps - Module 3 to 4, creado por rj PINEDA el 09/12/2024.
- Autor
- rj PINEDA
- Idioma
- English
- Visitas
- 38
- Etiquetas
- Valoración
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