Google IT Support Professional:The Bits and Bytes of Computer Networking (Week 1) Introduction to Networking Quiz Answers.

 

Introduction to Networking Quiz Answers

Don't just copy for the sake of completion. 
Make sure you understand first.

★The Data Link Layer★

Q1.How many octets are there in a MAC address?

  1. 5
  2. 8
  3. 4
  4. 6
A MAC address is a 48-bit number consisting of 6 octets.

Q2.What address is used for Ethernet broadcasts?

  1. 00:00:00:00:00:00
  2. 11:11:11:11:11:11
  3. FF:FF:FF:FF:FF:FF
  4. FF:00:FF:00:FF:00
The address FF:FF:FF:FF:FF:FF is used for Ethernet broadcast traffic.

Q3.What is a cyclical redundancy check?

  1. A technique that allows for multiple logical LANs to operate on the same equipment
  2. The actual data being transported by an Ethernet frame
  3. A way for two computers to synchronize their clocks
  4. A mathematical calculation used to ensure that all data arrived intact
A cyclical redundancy check ensures that there was no data corruption.

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