Lesson 23 Flashcards
Troubleshoot Network Issues
What are three common issues that can interrupt network services on a Mac computer?
a. Local issues—Usually related to either improperly configured network settings or disconnected network connections.
b. Network issues—Use network diagnostics to help you investigate possible causes.
c. Service issues—Related to the network device or service you are trying to access.
How can you identify the MAC addresses for all the Mac computer’s network interfaces?
Info pane in Network Utility.
What is the term for the current data rate of a Wi-Fi connection, and where can you access this information about a specific Wi-Fi connection?
Term is Tx Rate, can be viewed by the Wi-Fi status menu.
You can open the Wi-Fi status menu by pressing and holding the Option key and clicking the Wi-Fi icon in your menu bar.
How can you verify basic connectivity to another network host?
You can use the Ping tab in Network Utility to test basic connectivity to another network host by sending a ping packet and then waiting for its return.
How can you verify that DNS host name resolution is working?
You can use the Lookup tab in Network Utility to test name resolution against the currently configured DNS server.
How can you verify that the system can establish a connection to a remote network host?
You can use the Traceroute tab in Network Utility to verify the connection hops between your Mac and a remote host.
