Section B $(45\%)-$ Elective Questions

Answer any THREE out of the FOUR questions in this section in the answer book provided. Each question carries $15$ marks. If you answer more than three questions, only the first three attempted questions will be marked. Indicate in your answer book clearly which three questions you are attempting.

Question B$1$

$($a$)$ What are the THREE main types of hazards from computers?

$(3$ marks$)$

$($b$)$ Sustainable Electronics Management $($SEM$)$ promotes the reduction of e$-$waste to address environmental risks. Identify the THREE action steps involved by SEM.

$(3$ marks$)$

$($c$)$ State any TWO types of attackers.

$(4$ marks$)$

$($d$)$ Describe any TWO secure features that help the user identify a secure website.

$(4$ marks$)$

$($e$)$ Give ONE ${?}_{(})$ suggestion to protect computer equipment from theft.

$(1$ mark$)$

Question B$2$

Betty is a popular YouTuber doing live video streaming of teaching to her audience on various recipes of delicious cookies and cakes on a weekly basis. As building up her popularity on YouTube, she is considering to setup her own online store for selling her new home$-$made cookies and cakes to her audience. Owing to her weak IT background, she is now struggling on whether she needs to setup her own server computer to running her online store or take advantage of cloud computing services to ease her technical tasks.

$($a$)$ Which transaction type of e$-$commerce that Betty's online store belongs to$?$ Give reason$($s$)$ to support your answer.

$(3$ marks$)$

$($b$)$ What are the THREE common cloud computing models available for Betty's consideration?

$(3$ marks$)$

$($c$)$ From the answer in $($b$),$ suggest the MOST appropriate cloud computing service to Betty. Give TWO advantages to support your answer.

$(4$ marks$)$

$($d$)$ Betty is also wondering whether she should simply use a spreadsheet software or rather a database system to store all her customer transaction data. Explain to Mary the key difference between spreadsheet and database.

$(4$ marks$)$

$($e$)$ Suggest ONE example software of database for Betty's consideration.

$(1$ mark$)$