Which of the following is a common wireless network troubleshooting issue? (Choose two.)
A) Radio-frequency interference (RFI)
B) Crosstalk
C) Multiple paths of propagation
D) Layer 2 loop
E) Bad cables or connectors
A, C
Explanation: Radio-frequency interference (RFI) and multiple paths of propagation are common wireless network troubleshooting issues. Crosstalk and bad cables or connectors are OSI Layer 1 (physical layer) troubleshooting issues, and Layer 2 loop is an OSI Layer 2 (data link layer) troubleshooting issue.
Radio-frequency interference (RFI) and multiple paths of propagation are common wireless network troubleshooting issues. Crosstalk and bad cables or connectors are OSI Layer 1 (physical layer) troubleshooting issues, and Layer 2 loop is an OSI Layer 2 (data link layer) troubleshooting issue.
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