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Q1 Eureka! New Office Eureka staff ( 45 employee) answers the phone and respond to requests entered on the Eureka! Web site. Much of their

Q1 Eureka! New Office Eureka staff ( 45 employee) answers the phone and respond to requests entered on the Eureka! Web site. Much of their work is spent on the phone and on computers searching on the Internet and using the e-mail. The company does not use large data bandwidth. They have just leased a new office building in the same building and are about to wire it. The new place is going to be extension of their current office. They are planning to place additional 10 people with desktop computers.

What media would you suggest they install in their new office and why?

ANSWER 1

The communication media:

The reason:

Q2 Speedy Package

1.) Assuming that each label is 1000 bytes long, how long does it take to transmit one label over the cell network, assuming that the cell phone network operates at 14 kbps (14,000 bits per second and that there are 8 bits in a byte)?

2.) If Speedy were to upgrade to the new, faster digital phone network that transmits data at 114 Kbps (114,000 bits per second) how long would it take to transmit?

DO NOT SIMPLY WRITE THE ANSWERS. MUST SHOW YOUR WORK HERE.

ANSWER 2

Q3 Smith, Smith, Smith, and Smith Smith, Smith, Smith, and Smith (S4) is a regional accounting firm that is building a new headquarters site. The building will have a backbone network that connects eight LANs (two on each floor). The building is prewired as ;

In LAN twisted pair cabling have been used. For the backbone which connects 8 LAN the connection was made by coaxial cabling

They are very concerned with network errors and how to come up with counter measures.

List possible network errors sources for both LAN and BN networks What Causes each errors What advice would you give them in the design of the building and network cable planning that would help reduce network errors? How to prevent or Fix the anticipated error.

ANSWER 3

Q4 Network efficiency

Smart-Toys-Smart Kids is a toy manufacturing company. They are providing toys to more than 100 different Toy retail stores in the region. The company has 500 employees. The IT Manager of the company is planning to improve the networks efficiency between his employees and the retail stores. Thisis to move the highest possible volume of accurate information through the network. The higher the volume, the greater the resulting networks efficiency and the lower the cost. Smart-Toys-Smart Kids IT manager decided to apply SDLC Transmission protocol. And, they would like to have Transmission Efficiency of 95%.

The parameters of the transmission

Bits allocated for Flags : 16 bits Address : 8 bits Control : 8 bits CRC : 32 bits

What would be number of bits they would allocate for the information to meet the Transmission Efficiency goal?

Show your calculation

ANSWER 4

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