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Dante Level 3 Exam Questions & Answers.
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Dante Level 3 Exam Questions & Answers.
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Dante Level 3 ExamQuestions & Answers
SCENARIO: You have a Dante system that seems to be functioning correctly, there are no
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b external word clocks configured, no preferred master configured, but there are still a
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b number of devices that report they are losing sync occasionally. What steps would you
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b take to find the root cause of the problem? - (CORRECT ANSWER)--You suspect that
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b multicast traffic is not able to traverse the network in both directions (i.e. from master to
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b all slaves, and from all slaves to the master). To check if this is the case you enable
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b unicast delay requests on the slaves, then monitor the clock status histogram for evidence
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b of disruption in PTP. When this resolves the problem you suspect that ACLs blocking
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b multicast on UDP ports 319 and 320 in a direction from the slave to the master is to
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b blame.
-If IGMP Snooping is enabled, you test the system with no audio and IGMP Snooping
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b turned off. When this resolves the problem you suspect that IGMP snooping has been
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b interfering with the distribution of multicast traffic between the slaves and the master.
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,b You enable unicast delay requests on all slaves to reduce the amount of multicast traffic
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b that the switches need to track via IGMP.
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Switches look at ________ - (CORRECT ANSWER)-Destination MAC addresses to forward
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b frames
Things to consider when building a network from scratch: - (CORRECT ANSWER)-Sizing
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b links for worst case traffic loads
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Dante automatically changes a unicast flow to a multicast flow when necessary. -
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b (CORRECT ANSWER)-False b
Dante uses ______ DSCP tags. - (CORRECT ANSWER)-4
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Apart from separate cabling, a ________ can be used to separate broadcast domains. -
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b (CORRECT ANSWER)-VLAN b
In a [________] transaction bandwidth is only consumed on the [________] path between a
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b receiver and a transmitter. - (CORRECT ANSWER)-unicast, shortest
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A session is ________ - (CORRECT ANSWER)-an instance when a connection between two
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b devices is created to transfer data
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, A Dante device can have an unlimited number of receive flows. - (CORRECT ANSWER)-
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False
How do you find out how many transmit flows you are using? - (CORRECT ANSWER)-Tx
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b tab in Dante controller
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An ARP whohas message is ________ - (CORRECT ANSWER)-Broadcast
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Giving an external word-clock to a Dante device replaces its internal clock. - (CORRECT
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b ANSWER)-False
IGMP snooping listens for reports to [________] messages in order to restrict [________]
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b traffic. - (CORRECT ANSWER)-IGMP query, multicast
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ARP tables are held in nodes - (CORRECT ANSWER)-True
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Match these layer numbers to the corresponding layer names in the OSI model: -
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b (CORRECT ANSWER)-Layer 7 - Application b b b b
Layer 6 - Presentation
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Layer 5 - Session b b b
Layer 4 - Transport b b b
Layer 3 - Network b b b
Layer 2 - Datalink b b b
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