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You are troubleshooting a serial interface and presented with a "Serial0/0/0 is administratively down, line protocol is down" status. What could be the possible problem for this line status? (Choose two)

the router interface is configured with the "shutdown" interface configuration command

the clock rate interface configuration command is missing

a loop exists in the circuit

a CSU or DSU hardware problem has occurred

A duplicate IP address exists

Explanation

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