Cisco
300-070 · Question #161
300-070 Question #161: Real Exam Question with Answer & Explanation
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Question
Hackers are sending calls through a gateway router that is running SIP. The engineer blocks all SIP messages to the router except from their SIP server, which has an IP address of 208.177.10.1. The customer also must connect via SIP to their Cisco Expressway server with an IP address of 10.1.10.110. Which series of commands secures the router from the hackers?
Options
- Avoice service voip
- Bvoice service voip
- Cvoice service voip
- Dvoice service voip
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