Calculate the minimum required signal strength, Computer Network Security

Assignment Help:

Question 1:

(a) (i) Radio waves are subject to several propagation problems. Name any three of them.

(ii) A Wi-Fi receiver requires a signal power of 50mW to operate correctly. Calculate the minimum required signal strength of the transmitter if the receiver is placed at a distance of 40 meters from the transmitter.

(b) Consider the arrangement of self-learning bridges shown in the figure below. Assuming all are initially empty, give the forwarding tables for each of the bridges W, X, Y and Z after the following transmissions:

Host A sends to Host C,
Host D sends to Host B,
Host C sends to Host A and
Host E sends to Host D.

100_Calculate the minimum required signal strength.png

(c) Give an example of a transmitted hexadecimal byte-stream in Basic Encoding Rules (BER) by using the following data type declarations and its corresponding instances:

name ::= OCTET STRING {name, "JOHN SMITH"}
active ::= BOOLEAN [0=NO, 1=YES] {inactive, 0}
number ::= INTEGER {number, 5}

(d) One method for fault tolerant servers to provide redundancy is by implementing RAID5.

(i) Explain the term redundancy.
(ii) By means of a diagram, show how data is written to four hard disks of 1TB configured as RAID5.

(iii) What is the total available space for use of the RAID5 implementation described above?

 


Related Discussions:- Calculate the minimum required signal strength

What do you meant by the term diffusion and confusion, Question: (a) W...

Question: (a) What do you meant by the term diffusion and confusion? Explain how diffusion and confusion can be implemented. (b) Distinguish between authorisation and auth

Incident response, Incident Response: Complete the following sections as id...

Incident Response: Complete the following sections as identified from your Incident Response template (in MS Word format): Update the table of contents (autogenerated) Separate

What is information security, What is information security Information s...

What is information security Information security protects information (and facilities and systems which store, use and transmit it) from a broad range of threats, in order to p

Compare the suitability and properties of isdn and adsl, Question : An a...

Question : An aircraft manufacturing company is considering linking the network of one of its offices to the network of its Headquarter using either xDSL or ISDN. i. Compare

How will network datagrams be protected at network layer, (a) Consider the...

(a) Consider the subsequent authentication options: A. Using password. B. Using pin and fingerprint Which option A or B provides stronger security and why? (b) Give

Syntax conversion, Write down the significance of the syntax conversion . S...

Write down the significance of the syntax conversion . Syntax Conversion is described below: Syntax conversion is a significant function carried out in the presentation layer. I

Wireless security tools, WIRELESS SECURITY TOOLS An organization which s...

WIRELESS SECURITY TOOLS An organization which spends its time securing wired network and leaves wireless networks to operate in any manner is opening itself up for security brea

Semester 2, Do you have assignment solutions for CCE UPES MBA for oil and g...

Do you have assignment solutions for CCE UPES MBA for oil and gas semester 2

Computer Security, I have an assignment of Computer Security to submit. Wil...

I have an assignment of Computer Security to submit. Will you guys help me making my assignment???

Project, Network diagram for a mediacal care

Network diagram for a mediacal care

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd