Google IT Support Professional:The Bits and Bytes of Computer Networking (Week 6) Troubleshooting and the Future of Networking.

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

★Verifying Connectivity★

Q1.The protocol used to communicate network errors is known as __________.

  1. Traceroute
  2. UDP
  3. ICMP
  4. TCP
ICMP is used to communicate errors back to the client.

Q2.The ping utility sends what message type?

  1. Destination Network Unknown
  2. Destination Network Unreachable
  3. Echo Request
  4. Echo Reply
By default, the ping utility sends an Echo Request ICMP message type.

Q3.On Windows, one of the tools you can use to verify connectivity to a specific port is ________.

  1. nc (netcat)
  2. Test-NetConnection
  3. tracert
  4. ping
Test-NetConnection lets you test many things, including connectivity to a specific port on a remote host

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- Wolf

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