Please answer all question and with a correct response! I really need these poin

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Please answer all question and with a correct response! I really need these points!

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You are having trouble remembering part of the correct format of a command. Which of the commands would give you help on the correct format of the parameters? command? command ? command* help True or False - Destination port numbers are randomly determined when traffic is initiated True False TCP uses to keep track of whether or not data was received successfully and in order Trackers Sequence numbers Beacons Ports When sending traffic with UDP, you are using transport Reliable Slow Best effort Secure

Explanation / Answer

4. help e.g : if you want to know how to use the wget command, type wget –help or wget -h.

5. False - Destination ports may be "well-known ports" (0-1023) for the major Internet applications, such as Web and e-mail. For example, all port 80 packets (HTTP packets) are directed to and processed by a Web server. User "registered ports" (1024-49151) are assigned to applications that are mostly vendor specific, such as Skype and BitTorrent

6. Sequence Numbers : The client on either side of a TCP session maintains a 32-bit sequence number to keep track of how much data it has sent. This sequence number is included on each transmitted packet, and acknowledged by the opposite host as an acknowledgement number to inform the sending host that the transmitted data was received successfully.When a host initiates a TCP session, its initial sequence number is effectively random; it may be any value between 0 and 4,294,967,295, inclusive.

7. Best-effort - Unreliable best-effort delivery without acknowledgements

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