You are troubleshooting an OSPF problem where external routes are not showing up in the OSPF database. Which two options a re valid checks that should be performed first to verify proper OSPF operation?（）
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3、You are troubleshooting a frame relay
You are troubleshooting a frame relay connection and wish to view the LMI traffic stats. Which command should you issue?（）A Show interface lmiB Show frame-relay lmiC Show interface frame-relayD Debug frame-relay interface.
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You are troubleshooting a problem with a Cisco 7920 wireless IP phone that is causing the&...
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