Question

Fill in the blanks

synchronous 5. The Ethernet network card implements full-duplex, communication. 6. If a DNS server says, the response provided is “Non-authoritative", it means 7. When two or more machines attempt to transmit at the same time over a shared broadcast medium in a local area network occurs.

Answer 1

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Please find my answers below. Please feel free to comment below in case of any concerns or if any clarification required.

Question 5: Answer: Data

Ethernet network card is helpful in connecting a computer over a LAN for the data communication. Full-duplex and synchronous refers to sending and receiving data at the same time.

Question 6: Answer:

Non-authoritative means the queried name server had to query a remote server to get the data asked for as the data did not exist in it's server. If the same data is asked for the same sever again, this time, it sends the cached data but it still responds as non-authoritative answer.

Question 7: Answer: Collision

Collision occurs when two or more devices tries to transmit data at the same time in a common medium.

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