Unit 2 - Week 1 Lectures: Introduction to the Internet

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1 X Courses» Introduction to Modern Application Development Announcements Course Forum Progress Mentor Discourse forum Discussion Forum Unit 2 - Week 1 Lectures: Introduction to the Internet Course outline How to access the portal? Week 1 Lectures: Introduction to the Internet Meet your Instructors: Prof. Gaurav Raina (IIT Madras) Assignment1 All questions are Multiple Choice Questions where more than one option may be correct. Please feel free to do online research, use google, refer to the existing slides and module videos. However, it is NOT ALLOWED to ask these questions and discuss them on the discussion forums. Doing this will cause serious harm to the learning experience for everyone involved on the forum. In case this happens, the students engaging in the discussions maybe disqualified from the entire course.. Meet your Instructors: Tanmai Gopal (co-founder, Hasura) 2. Introduction to a web-app 3. Building a web-app 4. Networks P1: Practical: Running your own web-server 5. Protocols Quiz : Assignment1 Feedback for Week 1 Week 2 lectures: Building your webapp Week 3 Lectures: Databases Week 4: Introduction to security for webapps Week 5 - Android Application Development Assignment1 1) What is a webapp? It is a software which lets you access websites It is a software you can use in a web browser It is a software you can download from the web It is a software used to build websites It is a software you can use in a web browser 2) Javascript is used for: Describing the content on the web page Making a webpage interactive Describing styling (like colour and font size) of content on the webpage Loading dynamic content on a webpage Making a webpage interactive Loading dynamic content on a webpage 3) A modern browser can Render HTML Execute code Make requests for content through the network Display files on the computer it is installed on 1/6

2 Week 6 - Advanced Databases and Introduction to ios Week 7: Modern Development Practices Week 8 - Concluding Lectures Render HTML Execute code Make requests for content through the network Display files on the computer it is installed on 4) Select those options below which are web clients Google Chrome Firefox Google Chrome Firefox 5) What is the purpose of a URL To represent the server a client wants to make a request to To identify the resource a client wants to make a request to To help the network find the fastest route to the server To represent the server a client wants to make a request to To identify the resource a client wants to make a request to 6) In the URL: what part of the URL, is the hostname? google.com mail.google.com mail /u/0/inbox mail.google.com 7) What is a definition of a web-server A software that can listen to requests and respond to them A network component that helps route requests from clients to servers A software for users to browse the Internet A computer with access to the web A software that can listen to requests and respond to them 8) Can a browser make a request to a server without a domain name? Yes No 2/6

3 Yes 9) Choose the correct statement(s): The browser makes a request to a DNS server, the DNS server makes a request to the web server, the webserver responds to the browser IP The browser does a DNS lookup, and after that the browser contacts the web server using the The browser does not need an IP to contact the server The browser does a DNS lookup, and after that the browser contacts the web server using the IP 10) What is/are the benefit(s) of dedicated hosting over shared hosting? It is typically cheaper It has better performance It typically comes with a dedicated IP It offers users more control over their server It has better performance It typically comes with a dedicated IP It offers users more control over their server 11) As a webapp developer which parts of your application can you completely control: The speed with which your webapp loads for a user The requests your webapp will receive The language and framework the webapp is built on The language and framework the webapp is built on 12) Chrome Dev Tools can be used for: Analysing requests and responses made when a webpage loads Modifying the rendered HTML on the browser Modifying the source code of the web server Checking how the webpage would look on a tablet Analysing requests and responses made when a webpage loads Modifying the rendered HTML on the browser Checking how the webpage would look on a tablet 13) abc.com and abc.in Have the same domain name Are different resources of the same webapp Have the same application owner 3/6

4 14) What is a definition of deployment? Writing source code of your web server Installing your web server and application code on your hosting provider (or server hardware) Buying a domain name Installing your web server and application code on your hosting provider (or server hardware) 15) A browser is a software that can be installed on Desktops Tablets Smartphones Smart TVs Desktops Tablets Smartphones Smart TVs 16) Which of the following can act as a web server host? Your laptop A virtual computer on the cloud (like AWS) Your smartphone Your TV Your laptop A virtual computer on the cloud (like AWS) Your smartphone 17) What are the factors that affect the performance of a webapp? The computer configuration of the user using the webapp The browser used to open the webapp The quality of the network between the client and the server The computer configuration of the user using the webapp The browser used to open the webapp The quality of the network between the client and the server 18) Choose the correct statement(s): For the same configuration, dedicated hosting has better performance than cloud hosting The same computer can be a client and a server 4/6

5 A smart watch can have applications which are web clients Because DNS is a global system, to register a domain name one should register it with all registrars in the world For the same configuration, dedicated hosting has better performance than cloud hosting The same computer can be a client and a server A smart watch can have applications which are web clients 19) How many image requests are made to the server when the page is loaded ) What is the URL of the IIT Madras logo on the top left corner on the page xxx/logo.jpg xxx/logo120.jpg xxx/iitmlogo120.png xxx/iitmlogo.png xxx/iitmlogo120.png Powered by 5/6

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