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CNIT 344 Lab 1 Questions and Answers
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CNIT 344 Lab 1 Questions and Answers
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CNIT 344 Lab 1 Questions and AnswersCables and Termination of wires - ANSWER-Cables:
Different types of cables have different capabilities, such as the maximum transmission
distance, speed, and resistance to noise and interference.
The choice of cable can also affect the performance of a network, such as the overall
speed and reliability of the connection.
Termination of wires:
Proper termination of wires is essential to ensure a secure and stable connection.
If wires are not properly terminated, it can cause problems such as loose connections,
crosstalk, and signal loss.
Poor termination can also result in increased resistance, which can cause a reduction in
signal quality and overall performance.
Compare and contrast link speed and duplex - ANSWER-Link speed is the data transfer
rate. Higher link speed allows for faster transfer data transfer, but requires more
bandwidth and an increase in the complexity of network management.
Duplex is the way data is transmitted over a network. Full-duplex allows data to be
transmitted in both directions simultaneously. Tends to be more efficient and faster.
Half-duplex allows data to be transmitted in only one direction.
Crossover Cable - ANSWER-Used to connect two devices directly to each other without
the need for a switch or router. The wiring of the cable is designed in such a way that
the transmit and receive signals are crossed over, allowing data to be transmitted
directly from one device to the other. This type of cable is commonly used for network
testing or to transfer files between two computers.
When connecting to a PC it uses direct communication
How to calculate the number of ethernet frames needed. - ANSWER-Number of
Ethernet frames = (File size in bytes + Ethernet header and trailer size) / Maximum
payload size
Ex:
transfer a file with a size of 10 MB (10 * 1024 * 1024 bytes)
Number of Ethernet frames = (10 * 1024 * 1024 + 18) / 1500 = 6865 frames
Impact of link speed and duplex on host and switch. - ANSWER-The link speed and
duplex must be configured to match both the switch and the host as a dicreptenices
between the configuration on either could cause errors or a slower link speed.
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