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Hello, a friend of mine referred me to you because you did the
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Hello, a friend of mine referred me to you because you did the work to the best.  Please me to i would like to have the same assistance you gave out. I have a series of question that need answers.

I have attached the questions below. Please help me, i am willing to pay any good amount so long as you do your best.

Thanks!


Q1 Programming

 

a) Describe how you can use Java and CORBA develop distributed applications.

 

(2 Marks)

 

b) Contrast middleware and portable programming language as an approaches

 

to building distributed systems

 

(4 Marks)

 

c) Describe the following middleware and give one strength and weakness

 

i.

 

DCOM

 

(2

 

Marks)

 

ii.

 


 

RMI

 


 

d) Name and explain four value added extensions that transaction monitors

 

have over traditional client/server communication and Remote procedure

 

call (RPC) and Object Request Broker (ORB) invocation.

 

(4 Marks)

 

e) (i) Describe architecture of CORBA

 

Marks)

 


 

(5

 


 

(ii) Explain how components in e (i) assist in developing distributed sales

 

and product Shipping application for an organization

 

(5

 

Marks)

 

(iii) Explain advantages of developing above application with CORBA

 

instead of client/server architectures

 


 

Q2 Networking

 

a) Differentiate the following in computer networks

 

i.

 


 

End systems and intermediate systems

 


 

ii.

 


 

Windowing and sequencing

 


 

iii.

 


 

Brouter and router

 


 

b) Explain Modes of operations in a network e.g. (simplex, half duplex,

 

full duplex)

 

c) 5Explain fiber optics, coaxial, and wireless network and discuss

 

advantages and disadvantages.

 

d) Discuss protocols as used in computer networks and explain the following

 

protocols giving examples

 

a. http

 

b. Ethernet

 

c. Local Talk

 

d. Token Ring

 

e. FDDI

 

f. ftp

 


 

e. i. DESCRIBE IEEE802.11

 

ii. COMPARE IEEE 802.11 VS 3G CELLULAR

 

iii. BLUTOOTH

 


 

 







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