লাল বৃত্তাকার সাইন কী নির্দেশনা প্রদান করে?

Assume that an office has three departments and each department has 50 to 70 employees who are using computers with Windows operating systems. The office space is designed in such a way that an employee can use any computer within a department. Once an employee logs in from a computer, he/she will get access to his files from the server. Let you are planning for network and server setup for this company.

a. What is Active Directory? Do you need an Active Directory for such an office? If yes, briefly explain its use under this circumstance.

b. What is a subnet? What benefits will you get using subnets for this office?

14.

Briefly describe the following network devices: Repeater, Hub, Bridge, Switch and Router.

15.

What are the different types of transmission media used for data communication? Explain their advantages and disadvantages.

16.

What is SaaS and multi-tenant architecture? How are they related? What are the advantages and disadvantages of multi-tenancy? For a multi-vendor e-commerce application, you can choose a database architecture where you can put all the vendors in a single database or each vendor in a separate database. Which architecture will you follow and why?

17.

What do you understand about software quality assurance (SQA)? While purchasing a software system for your company, as a SQA team leader what aspects will you look into for a quality software.

18.

Write a program in any language to find the sum of rows and columns of a m x n matrix, where m and n is taken input from the user. Give the output in the following format:

Sample Input matrix:

$\begin{matrix} 1 & 3 & 4 & 2 \\ 2 & 4 & 5 & 3 \\ 3 & 2 & 2 & 1 \end{matrix}$

Sample Output:

$\begin{matrix} 1 & 3 & 4 & 2 & 10 \\ 2 & 4 & 5 & 3 & 14 \\ 3 & 2 & 2 & 5 & 12 \end{matrix} \begin{matrix} 6 & 9 & 11 \end{matrix}$

19.

Write a program in any language to find the prime numbers between 1.. n, where n is taken as user input.

Sample input:

Enter value of n: 20

Sample Output:

Prime Numbers: 2, 3, 5, 7, 11, 13, 17, 19,

20.

Let you procure a microfinance application and host it in your office's data centre. What kind of cyber-security threats should you be aware of and what steps would you take to mitigate the threats?

Subjective Question

লাল বৃত্তাকার সাইন কী নির্দেশনা প্রদান করে?

ট্রাফিক লাইট সিগন্যালের চক্র বা অনুক্রম (Sequence) গুলি কী কী?

রেডিয়েটরের কাজ কী?

গাড়ির ড্যাশ বোর্ডে কী কী ইন্সট্রুমেন্ট থাকে?

লাল বৃত্তের ভিতর একটি লাল ও একটি কালো গাড়ি থাকলে কী বুঝায়?

অরক্ষিত রেল ক্রসিংয়ে চালকের করণীয় কী?

What exactly is a microcontroller? What distinguishes a microprocessor from a microcontroller? Mention the differences between RISC and CISC microprocessors.

Briefly describe the following network devices: Repeater, Hub, Bridge, Switch and Router.

What are the different types of transmission media used for data communication? Explain their advantages and disadvantages.

What do you understand about software quality assurance (SQA)? While purchasing a software system for your company, as a SQA team leader what aspects will you look into for a quality software.

Let you procure a microfinance application and host it in your office's data centre. What kind of cyber-security threats should you be aware of and what steps would you take to mitigate the threats?