Interview Questions.

Question 1. What Is Grav?

Answer :

Grav is a flat-document based totally content management system which does not use database to save the content material alternatively it uses text file (.Txt) or markdown (.Md) report to keep the content material.

Question 2. Why To Use Grav?

Answer :

Grav is a new kind of quickest flat-document content material control system that's easier to put up and control content. It permits developer to address content very without difficulty through storing content in documents (together with textual content or markdown documents) in preference to in database. If you need to build simple, potential and quick web page, it is better to pick the Grav flat-record CMS. It costs less than the database driven CMS and is beneficial with I/O for file dealing with, whilst you don't have sufficient sources to deal with database.

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Question 3. List Out Some Features Of Grav?

Answer :

The Features of Grav are:

It is rapid, smooth and effective flat-report web platform.
It is used to construct internet site and not using a greater equipment or html understanding.
It makes use of textual content report or markdown file to shop the content.
It doesn't use database, so it removes the cause of bottlenecking.
It makes use of PHP primarily based template furnished by using Twig that is parsed immediately into PHP that makes it speedy.
Question four. What Are Advantages Of Grav?

Answer :

The advantages of Grav are:

It isn't based totally on database CMS, so it's very clean to install and may be geared up to apply when you add the files to the server.
It makes use of Markdown textual content documents to make things easy. Using this, the content may be dynamically transformed to HTML and displayed inside the browser.
In case of protection, Grav would not have admin vicinity and database. So there is no danger of hacking under consideration or in the database to get admission to the important data.
You can without problems backup all of the documents to preserve backup reproduction of your internet site, due to the fact that there's no database to backup.
It is a chunk of software which would not require more time to research.
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Question five. What Are Disadvantages Of Grav?

Answer :

The disadvantages of Grav are:

Sometimes unauthorized customers might also access your content from the documents directly as there is no database for the documents.
It is hard to build complex websites using Grav CMS.
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Question 6. Which Php Version Is Compatible For Grav?

Answer :

PHP 5.4 or higher

Question 7. What Are Grav Pages?

Answer :

Pages may be described as constructing blocks of the website. Pages integrate contents and navigations which makes clean even for inexperienced users.

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Question 8. What Does Hash(#) Syntax Indicates In Grav?

Answer :

# or hashes syntax in Markdown shows a title so that it will be converted to <h1> header in HTML.

Question nine. What Does **(asterisks) Indicates In Grav?

Answer :

** markers indicates bold text or <b> in HTML.

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Question 10. Mention The Types Of Pages?

Answer :

Grav Pages helps three kinds of pages:

Standard Page.
Listing Page.
Modular Page.
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Question eleven. What Is Grav Markdown Syntax?

Answer :

Markdown syntax is defined as writing plain text in an easy to examine and smooth to jot down layout, that's later transformed into HTML code. Symbols like (*) or (') are utilized in markdown syntax. These symbols are used to formidable, creating headers and prepare your content material.

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Question 12. Mention The Benefits Of Using Markdown Syntax?

Answer :

The advantages of the use of Markdown syntax are:

It is simple to study and has minimal characters.
When you use markdown there are only a few possibilities of getting errors.
Valid XHTML output.
Your content material and visible display is stored separate in order that it does not have an effect on your website appearance.
You can use any textual content editor or markdown utility.
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Question 13. What Is Emphasis In Grav?

Answer :

Emphasis is the writing codecs in markdown syntax which might be used to ambitious, italicize or strikethrough.

Bold: Text can be made ambitious using  (**) signs at either side of the texts.
Italics:Use underscores( _ ) signal at either sides of the word to italicize the text.
Strikethrough: Use  tildes(~~) on either facet of the phrase to strikethrough the word.
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Question 14. Mention The four Types Of Page Linking Used In The Content?

Answer :

There are 4 sorts of hyperlinks used inside the content are:

Slug Relative
Directory Relative
Absolute
Remote
Question 15. What Is Remote Link?

Answer :

Remote links permits you to link immediately to any report or record thru its URL. There is no want to consist of your very own web page's content.

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Question sixteen. Mention The Media File Types That Are Supported By Grav?

Answer :

Following are the media document types which might be supported with the aid of Grav:

Image: jpg,jpeg,png.
Animated Image: gif.
Vectorized Image: svg.
Video: mp4,mov,m4v,swf.
Data/facts: txt,doc,pdf,html,zip,gz.
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Question 17. What Is The Use Of Sepia Action On Images?

Answer :

Sepia filter is delivered to give a vintage appearance on photographs.

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Question 18. What Is Grav Modular Pages?

Answer :

Modular Pages permits to create a unmarried page from its infant pages. It is used to set as non-routable because they can not be reached immediately through an URL. They are recognized by _ (underscore) earlier than the folder name. It is a group of pages which might be displayed one above every to get a unmarried web page.

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Question 19. What Is Grav Twig Filters & Functions?

Answer :

Filters are used to layout the records the way you need and output. Functions are used to generate contents. Twig templates are textual content files that incorporate expressions and variables replaced via values.

Question 20. Mention The Three Types Of Tags Used By Twig?

Answer :

Twig uses 3 styles of tags i.E.

Output tags
Action Tags
Comment tags
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Question 21. Mention The Options To Pass Array Of Assets For Css?

Answer :

There are few options to bypass array of belongings for CSS:

precedence: It takes an integer cost and default price could be a hundred.
Pipeline: When an asset isn't always protected in pipeline, it sets to false value. And the default value is ready to proper.
Question 22. What Are Named Assets?

Answer :

Grav allows you to register a group of CSS and JS property with a name, so that you can use add assets to Asset Manager through the use of the registered call. This may be finished in Grav by way of using a characteristic referred to as named belongings. These custom collections are defined in device.Yaml, in order that it is able to be utilized by any topic or plugin.

Question 23. What Are Grouped Assets?

Answer :

Grouped Assets allows you to pass options array which include non-compulsory organization while adding Assets. This characteristic could be very useful whilst you need a few JS files or inline JS at particular a part of the page.

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Question 24. Which Command Is Used To Watch Updates In Scss Files?

Answer :

scss --watch scss:css-compiled

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Question 25. What Is Theme Inheritance?

Answer :

Theme Inheritance is the satisfactory way of enhancing or customizing a theme and may be done with few setups. The basic idea is that a theme is defined as base-topic that you are inheriting from, and just a few bits are allowed to adjust and rest of the matters is treated by using base subject matter. The gain of the use of subject inheritance is, the custom designed inherited subject matter will not be directly impacted each time the base theme is updated.

Question 26. Mention Some Important Points Of Random Plugin?

Answer :

The critical points of random plugin are:

You can use this plugin to display the random web page via the use of URI as /random.
Create the filter to utilize taxonomy targeted inside the pages. You can create as class : weblog.
You can display the random page with the aid of the usage of filter alternative and it informs Grav to apply the same content material for displaying in random page.
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Question 27. What Is Grav Event Hooks?

Answer :

The occasion hooks have an immediate relationship with Grav from starting to quit. You must be aware of the order wherein the hooks are known as and what's usable at the time of these calls.

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Question 28. What Is The Use Of Onfatalexception Event In The Grav Event Hooks?

Answer :

The Problem plugin makes use of this to manipulate displaying a list of complete rationalization, for why the grav can provide the fatal blunders.

Question 29. What Is The Use Of Ontwigsitevariables Event?

Answer :

In this method, you will see the entire site template in order smart with the aid of Twig methods. Further, you may add any variable to Twig at some stage in this procedure.

Question 30. Mention The Features Of Grav Administration Panel Plugin?

Answer :

The functions of Grav Administration Panel plugin are:

Enable or disable the plugins present in the plugin manager listing.
It include capability of the neglect password.
Media files can be uploaded by means of drag-n-drop approach.
Allows enhancing thru yaml or forms in ordinary and expert modes.
Automatic password encryption feature is supplied for the duration of user login.
Question 31. What Is Grav Blueprints?

Answer :

Blueprints are metadata information approximately the resource(supply of facts).

It serves  functions:

First is the resource identity itself.
Second is regarding the paperwork.
Question 32. What Are The Types Of Caching?

Answer :

There are five varieties of caching:

YAML configuration caching into PHP.
Core Grav caching for web page gadgets.
Twig caching of template files as PHP instructions.
Image caching for media resources.
Asset caching of CSS and jQuery with pipelining.
Question 33. What Is Grav Cli?

Answer :

The CLI stands for command line interface stored in bin/grav. It performs a few responsibilities along with clearing cache, creating backup reproduction and so forth.

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Question 34. What Is The Command To Update The Grav Composer Which Was Installed Via Github?

Answer :

$ bin/grav composer

Question 35. What Is Grav Gpm?

Answer :

The GPM stands for Grav Package Manager that's used to install, update, uninstall and listing the to be had plugins on the Grav repository. GPM executes the instructions the use of command line interface which include terminal or cmd.

Question 36. What Is The Self-improve Command Used To Upgrade The Grav To Latest Version?

Answer :

$ bin/gpm self-upgrade

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Question 37. What Is Grav Skeleton?

Answer :

The Grav skeleton describes a sample web page which contains Grav Core, plugins, pages, theme all together. The preliminary idea at the back of Grav changed into to build web page very without problems. The things need for growing a website, that every one are placed in a consumer folder. The skeleton of Grav comes with numerous dependencies including plugins, subject and so forth and saved them in a package which may be unzipped to run the simple example.

Question 38. Which Are The Main Four Steps Of Grav Lifecycle?

Answer :

The fundamental four steps of Grav lifecycle are:

PHP Version
Loader class is initialized
Obtain Grav Instance
Call Grav Process
Question 39. What Is Grav Yaml Syntax?

Answer :

The YAML stands for YAML Ain't Markup Language which incorporates human readable content and frequently used in configuration documents, blueprints (metadata statistics approximately aid) and page settings.

Question forty. What Are The Basic Data Types Of Yaml?

Answer :

YAML supports a few fundamental facts sorts which may be used with programming languages together with:

Scalars: strings or numbers.
Sequences: arrays or lists.
Mappings: hashes or dictionaries.
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Question forty one. Mention The Different Types Of Hosting Services Supported By Grav?

Answer :

Grav supports following web hosting offerings:

Rochen Web Hosting
WireNine
Crucial Web Hosting
Arvixe
SiteGround
Dreamhost
Question 42. Mention The Reasons That Cause Server Error?

Answer :

Some of the motives which can purpose server errors are:

Out-of-date configuration.
Incorrect report permission.
Invalid formatted configuration files.
Changes in document gadget no longer recognized to the Grav.
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Question forty three. What Is The Command To Flush The Cache?

Answer :

bin/grav clean-cache

Question forty four. What Are The Types Of Responsive Images?

Answer :

The few varieties of responsive images are:

Higher density presentations
Sizes with media queries
Question forty five. What Is The Use Of Sizes With Media Queries Action For Responsive Images?

Answer :

It upload a suffix to the filename and you can upload higher density photo to the page.

Question 46. Mention Any Five Special Form Fields?

Answer :

The unique form fields are:

Markdown
Frontmatter
Selectize
Taxonomy
Toggle
Question 47. What Is The Use Of Frontmatter Field?

Answer :

It is used to show the page in raw layout.

Question forty eight. What Is The Use Of Bugs Property?

Answer :

It specifies the Url where troubles or insects can be pronounced.

Question 49. What Is The Use Of Onblueprintcreated Event?

Answer :

This event enables in processing and dealing with bureaucracy.

Question 50. What Is The Use Of Forceresize(width, Height) Actions On Images?

Answer :

It stretches the picture as required no matter unique ratio.