WGU D276 (New 2023/ 2024 Update) Web
Development Foundations Exam | Guide with Questions and Verified Answers| 100% Correct
QUESTION
How many HTTP requests are made for a webpage that contains four web resources?
Answer:
5. one for the html file and one for each resource
QUESTIO...
WGU D276 ( New 2023/ 2024 Update) Web Development Foundations Exam | Guide with Questions and Verified Answers| 100% Correct QUESTION How many HTTP requests are made for a webpage that contains four web resources? Answer: 5. one for the html file and one for each resource QUESTION four parts of a HTTP request / response Answer: -start line -zero or more header fields -empty line -optional message body QUESTION start line Answer: specifies the HTTP version being used. A REQUESTS start line includes a request type and path; a RESPONSES start line includes a status code and phrase. QUESTION header field Answer: keyword followed by a colon and a value. Header fields supply additional information about the request or response QUESTION message body Answer: contains data being transferred between a web browser and web server. In a REQUEST, the message body may be empty or contain submitted form data. In a RESPONSE, the message body may contain the requested resource. QUESTION content -length Answer: number of bytes in the response's message body -the web browser uses the content length to determine how much data to expect from the web server QUESTION content -type Answer: media type of the response's message body -common media types: text/css, image/jpeg, application/pdf, video/quicktime QUESTION Date Answer: datetime the response was generated by the web server -Datetime values in HTTP headers are represented in Greenwich Mean Time (GMT), which is equal to Coordinated Universal Time (UTC) QUESTION last-modified Answer: Datetime the requested resource was last modified on the web server. -for resources that are dynamically created by the web server, the last modified datetime is often not provided QUESTION server Answer: identifies the web server software that generated the response -popular values for Server: Apache, Microsoft -IIS, nginx QUESTION Host Answer: the domain name for the requested path -some websites are hosted at the same IP address, so the Host field helps the web server determine which websites resource is being requested QUESTION user-agent Answer: Identifies the browser making the request -Browsers often identify themselves using a unique string of characters. The User -Agent field may be used by a web server to respond back with different resources depending on which browser made the request. Ex: A desktop page may be sent back to a desktop Chrome browser, but a mobile webpage may be sent back to an iPhone browser. QUESTION IANA (Internet Assigned Numbers Authority) Answer: a standards organization that manages various internet numbers and symbols, like global IP address allocation, root zone management in DNS, and media types. IANA maintains a list of HTTP headers that are currently active, obsolete, or experimental. QUESTION how to access Chrome's developer tools (DevTools) Answer: by pressing Ctrl+Shift+i (Windows) or Command -Option -i (Mac) QUESTION HTTP request method Answer: indicates the desired action to perform on a resource ex: GET, HEAD, POST, PUT, DELETE QUESTION GET
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