Which three tools are used for ongoing monitoring and maintenance of a voice and video environment?
(Choose three.)

• A.active monitoring via synthetic probes to measure loss, latency, and jitter
• B.passive monitoring via synthetic probes to measure loss, latency, and jitter
• C.flow-based analysis with PTP time-stamping to measure loss, latency, and jitter
• D.call management analysis to identify network convergence-related failures
• E.flow-based analysis to measure bandwidth mix of applications and their flows
• F.call management analysis to identify CAC failures and call quality issues

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Which three components are part of the foundational information security principles of the CIA triad? (Choose three.)

• A.availability
• B.identification
• C.integrity
• D.authorization
• E.cryptography
• F.confidentiality

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Which action must be taken before new VoIP systems are implemented on a network to ensure that the network is ready to handle the traffic?

• A.security
  C scalability
• B.low bandwidth
• C.high latency

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An engineer is designing the QoS strategy for Company XYZ. Based on initial analysis, a lot of scavenger type of traffic is traversing the network's 20Mb Internet link toward the service provider. The new design must use a QoS technique that limits scavenger traffic to 2 Mbps, which helps avoid oversubscription of the link during times of congestion. Which QoS technique can be used to facilitate this requirement?

• A.LLQ
• B.class-based traffic policing
• C.class-based traffic shaping
• D.CBWFQ

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IPFIX data collection via standalone IPFIX probes is an alternative to flow collection from routers and switches. Which use case is suitable for using IPFIX probes?\

• A.performance monitoring
• B.security
• C.capacity planning
• D.observation of critical links

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