CompTIA
CAS-003 · Question #386
CAS-003 Question #386: Real Exam Question with Answer & Explanation
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Question
Users have been reporting unusual automated phone calls, including names and phone numbers, that appear to come from devices internal to the company. Which of the following should the systems administrator do to BEST describes this problem?
Options
- AAdd an ACL to the firewall to block VoIP.
- Bchange the settings on the phone system to use SIP-TLS.
- CHave the phones download new configuration over TFTP.
- DEnable QoS configuration on the phone VLAN
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