Web Development Answers

Scenario: ABC Supermarket is a local township supermarket based in Germiston, East rand of Johannesburg in

South Africa. The supermarket sells a wide variety of food and household products.

The supermarket takes online orders through their website and currently averages about 20 000

unique visitors to their website per day and has 10 content uploaders constantly updating their

website and making sure the site is always up-to-date. The website is in highest demand from 07:00

until 17:00 Mondays to Saturdays and very minimal activities on any other times. The website is hosted and managed locally by a small IT department of six employees. Besides not

coping with the website traffic load, the local energy supplier, Eskom has decided to implement load

shedding at different times of the day

Question A. Self-healing and redundancy(Marks: 30)

Explain any five recommendations that should be looked at related to the principles of selfhealing and redundancy in the design of the ABC supermarket module

What can seller do to protect themselves from customers who deny that they placed an

order. Explain.

a) Explain the following with the help of a diagram/example, if needed: 

(i) HTTP methods

A team of developers and entrepreneurs are working on the idea of BorrowMyKitty, a new platform to connect cat owners with trusted local people who could share the care of the cat. They are considering several options on how cat owners could connect to potential carers and what the revenue model of the platform could be.

1. Briefly describe your recommendation about the potential operation of BorrowMyKitty using the business model concept.

2. The team has asked you to make three recommendations on ways in which the organisation could use big data and data analytics to enhance the success of the platform.

: How can the unique features of the World-Wide Web be utilised to enhance information flow in Company X? 

Twitter

Twitter

Given an app.js file and a database file twitterClone.db consisting of five tables user, follower, tweet, reply, and like.

Write APIs to perform operations on the tables user, follower, tweet, reply, and like containing the following columns,

User Table

Column Type

user_id INTEGER

name TEXT

username TEXT

password TEXT

gender TEXT

Follower Table

Column Type

follower_id INTEGER

follower_user_id INTEGER

following_user_id INTEGER

Here, if user1 follows user2 then,

follower_user_id is the user ID of user1 and following_user_id is the user ID of user2.

Column Type

tweet_id INTEGER

tweet TEXT

user_id INTEGER

date_time DATETIME

Reply Table

Column Type

reply_id INTEGER

tweet_id INTEGER

reply TEXT

user_id INTEGER

date_time DATETIME

Like Table

Column Type

like_id INTEGER

tweet_id INTEGER

user_id INTEGER

date_time DATETIME

Sample Valid User Credentials

API 1

API 2

Authentication with JWT Token

API 3

API 4

API 5

API 6

API 7

API 8

API 9

API 10

API 11

how can i WAP to create a web page of online shopping using bootstrap classes. 

Write an application that displays a series of at least five Student IF numbers ( that you have stored in an array ) and asks the user to enter a numeric test score for the student. Create a ScoreException class, and throw a ScoreException for the class if the user does not enter a valid score (less than or equal to 100). Catch the ScoreException , display an appropriate message, and then store a 0 for the student's score. At the end of the application , display all the student IDs and scores. Save the files as ScoreException.java and Test Score.java.