Get Instant Help From 5000+ Experts For
question

Writing: Get your essay and assignment written from scratch by PhD expert

Rewriting: Paraphrase or rewrite your friend's essay with similar meaning at reduced cost

Editing:Proofread your work by experts and improve grade at Lowest cost

And Improve Your Grades
myassignmenthelp.com
loader
❮ ❯
Phone no. Missing!

Enter phone no. to receive critical updates and urgent messages !

Have a coupon code?
Attach file

Error goes here

Files Missing!

Please upload all relevant files for quick & complete assistance.

myassignmenthelp.com
Sign In

New User? Start here.

Guaranteed Higher Grade!
Free Quote
wave
Home
/
Answers
/
Networking
/
CMIS 422 Information System Security
CMIS 422 Information System Security
Answered

Task:
Question 1 (60 Marks):

Normally firewalls provide virtual private networks.

1. Explain step-by-step how to set up a VPN on a firewall of your choice. Provide a detailed example (30 marks).

2. Why is a firewall a good place to implement a VPN? (15 Marks)

3. Why not implement it at the actual server(s) being accessed? (15 Marks)
Question 2 (40 Marks):
Some operating systems perform buffered I/O. In this scheme, an output request is accepted from a user, and the user is informed of the normal I/O completion. However, the actual physical write operation is performed later, at a time convenient to the operating system.
 
First, list the operating systems which perform buffered I/O (20 Marks).

Second, discuss the effect of buffered I/O on integrity in a DBMS (20 Marks).

Please provide references (Books & Internet websites)

Get instant help from 5000+ experts for
question

Writing: Get your essay and assignment written from scratch by PhD expert

Rewriting: Paraphrase or rewrite your friend's essay with similar meaning at reduced cost

Editing: Proofread your work by experts and improve grade at Lowest cost

loader
❮ ❯
250 words
Phone no. Missing!

Enter phone no. to receive critical updates and urgent messages !

Attach file

Error goes here

Files Missing!

Please upload all relevant files for quick & complete assistance.

Have a coupon?
Get help with different subjects
Law
Law
mathematics
Mathematics
Philosophy
Philosophy
Chemistry
Chemistry
English
English
English
Nursing
Accounting
Accounting
Physics
Physics
Psychology
Psychology
Programming
Programming
Management
Management
Finance
Finance
Marketing
Marketing
Statistics
Statistics
Economics
Economics
Engineering
Engineering
MBA
MBA
Business
Business
Biology
Biology
Civil Engineering
Civil Engineering
History
History
Featured Post
Mark
NTU Grading System in Singapore: A Complete Guide for Students

NTU in Singapore is considered to be one of the most popular educational institutions across the gl

Mark
Top 9 Private Universities in Singapore: Your Guide to Higher Education

If there is one thing Asian countries never compromise on, it is education. Particularly, Singapore

Henry Lee
How to Format an Essay: MLA, APA, Chicago Styles

Many of you know how to write an essay. However, you guys struggle when it comes to formatting the

Lucy Wilson
Extemporaneous Speech – Examples & Writing Guide

“According to most studies, people’s number one fear is public speaking. Number two is death. D

Free Academic Tools
Referencing Generator Referencing Generator Document Proofreading Document Proofreading Plagiarism Checker Plagiarism Checker Essay Typer Essay Typer Equation Solver Equation Solver
Know More
Sales chat
Sales chat
(New assignment/Unpaid orders)
Whatsapp
WhatsApp
Important updates & notification
Support chat
Support chat
(Already paid assignment/orders)
callback
Get a callback
Schedule instant callback
support
close