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Data Communications

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Questions and Answers

Which of the following is a required reading for Module 3?

Data Communications and Networks (correct)

Math 5 & Math 6

Schaum's outline of college algebra chapters 6–8

Assignment 5

When is Assignment 6 due?

Tuesday, October 17 at 6:00 AM ET (correct)

Tuesday, October 10 at 6:00 AM ET

Tuesday, October 11 from 8:00 to 9:15 PM ET

Tuesday, October 17 at 6:00 AM ET (correct)

When does the Module 3 Discussion Question postings end?

Tuesday, October 10 at 6:00 AM ET (correct)

Tuesday, October 11 from 8:00 to 9:15 PM ET

Tuesday, October 17 at 6:00 AM ET

Wednesday, October 11 from 8:00 to 9:15 PM ET

When is the Math Quiz 5 due?

Tuesday, October 10 at 6:00 AM ET (B) Signup and view all the answers

When is the Live Classroom session on October 11?

Wednesday, October 11 from 8:00 to 9:15 PM ET (D) Signup and view all the answers

Which part of a PDU contains the actual data being transferred?

Payload or Data Field (D) Signup and view all the answers

What is the purpose of the header in a PDU?

To contain addressing information (D) Signup and view all the answers

Which part of a PDU is optional and often not used?

Trailer (A) Signup and view all the answers

What information can headers in a PDU contain?

Source and destination addresses (C) Signup and view all the answers

What is the purpose of the trailer in a PDU?

To determine if the PDU has been transmitted correctly (A) Signup and view all the answers