27 Dec whenever an endpoint
Question 1. (TCO D) The ENUM suite of protocols _____.
represents phone numbers as Internet addresses
brings together the E.164 and the DNS protocol
uses the Naming Authority Pointer
All of the above
Question 2. (TCO D) 911 emergency calls in a wireless network _____.
are located by the radio tracking functionality operated by the service provider
are not allowed
estimate location using the Global Positioning System (GPS)
Both A and C
Question 3. (TCO F) The categories of security risks found in voice communications are _____.
generic
VoIP related
SIP related
All of the above
Question 4. (TCO F) Authentication should be used _____.
whenever an endpoint registers with an authority
when a session is set up
when the parameters of the session are modified
All of the above
Question 5. (TCO D) Why does FAX not work well in practice in a VoIP network?
Question 6. (TCO F) Describe the specific VoIP-related security issues.
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