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

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★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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