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Exam 1z0-404 topic 1 question 23 discussion

Actual exam question from Oracle's 1z0-404
Question #: 23
Topic #: 1
[All 1z0-404 Questions]

What two problems do Network Address Translations (NATs) introduce into VoIP networks? (Choose two.)

  • A. There are no major concerns with NATs.
  • B. NATs block unsolicited incoming signaling and media.
  • C. NATs block unsolicited incoming signaling but allow incoming media.
  • D. NATs pinholes expire after a configurable time.
  • E. NATs devices can be overloaded by incoming registrations.
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Suggested Answer: DE 🗳️
by Iamrandom at May 14, 2020, 3:37 p.m.

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Iamrandom
Highly Voted 1 month, 3 weeks ago
B and D (not E). NAT is a stateful session, therefore must be established first in order to permit returning traffic (if not, it will be considered unsolicited traffic and so discarded).
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