Cisco
640-461 · Question #139
640-461 Question #139: Real Exam Question with Answer & Explanation
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Question
An engineer is installing an IP phone in a remote location. When the engineer plugs the IP phone into the network, the phone does not power up. What is the first thing that should be checked?
Options
- APower over Ethernet switch
- BCisco Unified Communications Manager Server
- CCisco Unified Presence
- DDHCP server
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