Assignment No. 01 Semester: Fall 2019 CS407: Routing and Switching Total Marks: 20 Due Date: 14/11/2019 Instructions: Please read the following instructions carefully before submitting assignment: You need to use MS word document to prepare and submit the assignment on VU-LMS. It should be clear that your assignment will not get any credit if:  The assignment is submitted after due date.  The assignment is not in the required format (.doc or docx)  The submitted assignment does not open or file is corrupt.  Assignment is copied(partial or full) from any source (websites, forums, students, etc) Objective: To enhance the learning capabilities of the students about: • Network Basics • Device Naming conventions • Types of IPV4 addresses Assignment Question No. 1 Suppose a mobile telecommunication company needs to send messages to its different types of mobile users/customers. You are required to select the most suitable message delivery option against each scenario given below: a) Company has two types of customers, Post-paid and Pre-paid. Company is going to organize an event in which all of its customers are invited. b) Company has introduced a new package for its customers but there is a limitation. This package will be only available for the Pre-Paid Customers who are natives of Lahore City only. c) One of Pre- Paid customers generates a service unavailability complaint via message. After resolving the issue, company sends a confirmation message to that customer. Question No.2 Following table contains some of the proposed host names to be configured on a Switch. You are required to identify the valid and invalid host names: Question No. 3 Different types of IPv4 addresses are used for specific purposes. You are required to write the suitable ranges of IPv4 address for each scenario given in the following table: Note: You must need to write the ranges (Not the names of types). Best of Luck!

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UNSOLVED CS407 Assignment 1 Solution and Discussion

CS407 - Routing and Switching

zaasmi Cyberian's Gold last edited by

Assignment No. 01
Semester: Fall 2019
CS407: Routing and Switching Total Marks: 20

Due Date: 14/11/2019

Instructions:
Please read the following instructions carefully before submitting assignment:
You need to use MS word document to prepare and submit the assignment on VU-LMS.
It should be clear that your assignment will not get any credit if:

 The assignment is submitted after due date.
 The assignment is not in the required format (.doc or docx)
 The submitted assignment does not open or file is corrupt.
 Assignment is copied(partial or full) from any source (websites, forums, students, etc)

Objective:

To enhance the learning capabilities of the students about:

• Network Basics
• Device Naming conventions
• Types of IPV4 addresses

Assignment

Question No. 1

Suppose a mobile telecommunication company needs to send messages to its different types of mobile users/customers. You are required to select the most suitable message delivery option against each scenario given below:

a) Company has two types of customers, Post-paid and Pre-paid. Company is going to organize an event in which all of its customers are invited.
b) Company has introduced a new package for its customers but there is a limitation. This package will be only available for the Pre-Paid Customers who are natives of Lahore City only.
c) One of Pre- Paid customers generates a service unavailability complaint via message. After resolving the issue, company sends a confirmation message to that customer.
Question No.2

Following table contains some of the proposed host names to be configured on a Switch. You are required to identify the valid and invalid host names:

Question No. 3
Different types of IPv4 addresses are used for specific purposes. You are required to write the suitable ranges of IPv4 address for each scenario given in the following table:

Note: You must need to write the ranges (Not the names of types).

Best of Luck!
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@cyberian said in CS420 Assignment 2 Solution and Discussion:

You are required to develop an HTML5 based webpage which draws an Animated Solar System (i.e. moon revolves around earth and earth revolves around the sun) on canvas.
Here is a screenshot of a sample page.

Your Task is to make such a page suitable for portable devices. You can use concepts of HTML5, CSS and JavaScript etc.

<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>CS420 - Assignment # 2</title> </head> <body> <canvas id="canvas" width="1000" height="1000"></canvas> <script> var sun = new Image(); var moon = new Image(); var earth = new Image(); function init() { sun.src = 'images/canvas_sun.png'; moon.src = 'images/canvas_moon.png'; earth.src = 'images/canvas_earth.png'; window.requestAnimationFrame(draw); } function draw() { var ctx = document.getElementById('canvas').getContext('2d'); ctx.globalCompositeOperation = 'destination-over'; ctx.clearRect(0, 0, 800, 800); // clear canvas ctx.fillStyle = 'rgba(0, 0, 0, 0.4)'; ctx.strokeStyle = 'rgba(0, 153, 255, 0.4)'; ctx.save(); ctx.translate(400, 400); // Earth var time = new Date(); ctx.rotate(((2 * Math.PI) / 60) * time.getSeconds() + ((2 * Math.PI) / 60000) * time.getMilliseconds()); ctx.translate(205, 0); ctx.fillRect(0, -12, 40, 24); // Shadow ctx.drawImage(earth, -12, -12); // Moon ctx.save(); ctx.rotate(((2 * Math.PI) / 6) * time.getSeconds() + ((2 * Math.PI) / 6000) * time.getMilliseconds()); ctx.translate(0, 28.5); ctx.drawImage(moon, -3.5, -3.5); ctx.restore(); ctx.restore(); ctx.beginPath(); ctx.arc(400, 400, 205, 0, Math.PI * 2, false); // Earth orbit ctx.stroke(); ctx.drawImage(sun, 0, 0, 800, 800); window.requestAnimationFrame(draw); } init(); </script> </body> </html>
images folder
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183cd962-9200-45ca-8868-cc3297b420b2-image.png
images:
canvas_sun.png canvas_moon.png canvas_earth.png
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SOLVED CS407 Assignment 1 Solution and Discussion
CS407 - Routing and Switching • cs407 assignment 1 solution discussion spring 2020 • • moaaz

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@moaaz said in CS407 Assignment 1 Solution and Discussion:

What access mode of command line interface will be more suitable to perform remote configurations on the router in secure manners?

Network infrastructure devices often provide a range of different access mechanisms, including console and asynchronous connections, as well as remote access based on protocols such as Telnet, rlogin, HTTP, and SSH. Some mechanisms are typically enabled by default with minimal security associated with them; for example, Cisco IOS software-based platforms are shipped with console and modem access enabled by default. For this reason, each infrastructure device should be carefully reviewed and configured to ensure only supported access mechanisms are enabled and that they are properly secured.

The key steps to securing both interactive and management access to an infrastructure device are:

• Restrict Device Accessibility

Limit the accessible ports, restrict the permitted communicators and restrict the permitted methods of access.

• Present Legal Notification

Display legal notice, developed in conjunction with company legal counsel, for interactive sessions.

• Authenticate Access

Ensure access is only granted to authenticated users, groups, and services.

• Authorize Actions

Restrict the actions and views permitted by any particular user, group, or service.

• Ensure the Confidentiality of Data

Protect locally stored sensitive data from viewing and copying. Consider the vulnerability of data in transit over a communication channel to sniffing, session hijacking and man-in-the-middle (MITM) attacks.

• Log and Account for all Access

Record who accessed the device, what occurred, and when for auditing purposes.
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It is true or wrong that Raise For Success an automobile at rest can be accelerating very fast?

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