` **tag and** `
` **tag, which of the following has the correct syntax for a general sibling combinator?**
* div + p
* div p
* div > p
* div ~ p
4. **Calculate the specificity of the following selector:**
`ul#alpha #li.visited`
* 211
* 13
* 103
* 112
5. **Which form attribute is used to specify the address to which the form data should be submitted to?**
* action
* required
* src
* method
6. **What does the** `&&` **operator represent in JavaScript?**
* The logical NOT operator
* It is not a valid operator
* The logical AND operator
* The logical OR operator
7. **Which of the following built-in field types of model stores has purely numeric data?** Select all that apply.
* URLField
* FloatField
* CharField
* IntegerField
8. **Someone has created an online web application and people must purchase a monthly or yearly subscription to use that service. What kind of cloud computing model is this?**
* SaaS
* IaaS
* Self Hosted
* DBaaS
* PaaS
9. **Which of the following are the benefits of public cloud computing?** Select all that apply.
* You only pay for what you use.
* It’s always affordable.
* You can deploy computing units any time.
* Your application never goes down or offline.
* You can scale easily.
10. **True or false: Scaling vertically is easier than scaling horizontally**
* True
* False
11. **Which of the following tools could be part of the front end portion of the full stack?** Select the all that apply.
* NoSQL
* HTML
* Python
* Javascript
12. **Which part of an application would accept user data and do basic validation?**
* Front end
* API
* Back end
* Database
13. **Semantic HTML, in addition to adding meaning to the content, also creates the ability for what other utilities to understand the content of the page?** Select all that apply.
* Accessibility software
* Search engines
* APIs
* Web servers
14. **Client side validation can be done a number of different ways before form data is sent to the server. Which of the following is a method of client-side validation?**
* Using the required attribute.
* Check the data against a database.
* Check the data against business requirements.
* Use appropriate input elements.
15. **Which of the following is a value in CSS that is relative to the font size of the root element of the page?**
* px
* em
* rem
* pc
16. **On an existing HTML page, all** `
` **tags on the page need to be updated with content retrieved from a database. What Javascript code would be used to select all** `` **tags?**
* document.querySelector(‘h2’)
* [page.select](http://page.select)(‘h2’)
* document.get(‘h2)
* document.querySelectorAll(‘h2’)
17. **When creating a new element in Javascript using the** `createElement()` **function, what needs to happen once the element is created to get it to show up on the page?**
* It must be added to the DOM structure.
* The `import` statement in Javascript must be used.
* It must be moved from the bottom of the page.
* It automatically shows up.
18. **Between two models, the primary key in model 1 has multiple corresponding objects in model 2. This is an example of what kind of relationship?**
* One-to-none
* One-to-one
* One-to-many
* Many-to-many
19. **Sometimes, models and the ORM are not enough and pure SQL needs to be used to run a query. What is the correct function to use to run a SQL query in Django?**
* raw()
* select()
* query()
* sql()
20. **This Javascript concept represents the eventual completion of an operation that could be asynchronous.**
* React
* promise
* fetch
* event listener
21. **What data format is typically used to read and process data in Javascript when a response is returned from an API?**
* JSON
* SQL
* ModelForm
* QuerySet
22. **When authenticated calls need to be made, what is used to pass authentication information?**
* Bearer token
* Payload
* JSON
* Django model
23. **In virtualization, one downside of \_\_\_\_\_ is that they can sit idle and go to waste.**
* containers
* dedicated resources
* hypervisors
* shared resources
24. **A benefit of this type of hosting is that all allocation of resources is managed by the provider.**
* Dedicated server
* Serverless
* Containerization
* Virtualization
25. **What are some of the benefits of using a managed database solution through a cloud provider?** Select all that apply.
* The database is housed on premises.
* Scaling must be carefully managed.
* They can scale automatically
* The provider handles tuning the database
26. **Which of the following IP ranges are private?** Select all that apply.
* 10.0.0.0 - 10.255.255.255
* 148.198.0.0 - 148.198.255.255
* 172.16.0.0 - 172.31.255.255
* 69.0.0.0 - 69.255.255.255
27. **What type of files are CDNs used for that will significantly increase performance?**
* dynamic files
* static files
* databases
* JSON files
28. **One method of horizontal scaling of databases is to split the database across multiple servers. This is called \_\_\_\_\_.**
* sharding
* round-robin
* caching
* master-slave replication
29. **Which CSS property should be set on a container to change to a CSS grid layout of rows and columns?**
* layout: flexbox;
* display: grid;
* flex: grid;
* layout: grid;
30. **What is the first argument passed to the** `addEventListener` **function?**
* The target of the event.
* A string describing the type of event (such as, "click").
* A function that will handle the event.
* The error to display if the event fails.
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