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Dante Level 3 Exam/103 Questions with Verified Answers
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Dante Level 3 Exam/103 Questions with Verified Answers
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Dante Level 3 Exam/103 Questionswith Verified Answers
SCENARIO: You have a Dante system that seems to be functioning correctly,
there are no external word clocks configured, no preferred master
configured, but there are still a number of devices that report they are losing
sync occasionally. What steps would you take to find the root cause of the
problem? - --You suspect that multicast traffic is not able to traverse the
network in both directions (i.e. from master to all slaves, and from all slaves
to the master). To check if this is the case you enable unicast delay requests
on the slaves, then monitor the clock status histogram for evidence of
disruption in PTP. When this resolves the problem you suspect that ACLs
blocking multicast on UDP ports 319 and 320 in a direction from the slave to
the master is to blame.
-If IGMP Snooping is enabled, you test the system with no audio and IGMP
Snooping turned off. When this resolves the problem you suspect that IGMP
snooping has been interfering with the distribution of multicast traffic
between the slaves and the master. You enable unicast delay requests on all
slaves to reduce the amount of multicast traffic that the switches need to
track via IGMP.
-Switches look at ________ - -Destination MAC addresses to forward frames
-Things to consider when building a network from scratch: - -Sizing links for
worst case traffic loads
-Dante automatically changes a unicast flow to a multicast flow when
necessary. - -False
-Dante uses ______ DSCP tags. - -4
-Apart from separate cabling, a ________ can be used to separate broadcast
domains. - -VLAN
-In a [________] transaction bandwidth is only consumed on the [________]
path between a receiver and a transmitter. - -unicast, shortest
-A session is ________ - -an instance when a connection between two devices
is created to transfer data
-A Dante device can have an unlimited number of receive flows. - -False
, -How do you find out how many transmit flows you are using? - -Tx tab in
Dante controller
-An ARP whohas message is ________ - -Broadcast
-Giving an external word-clock to a Dante device replaces its internal clock. -
-False
-IGMP snooping listens for reports to [________] messages in order to restrict
[________] traffic. - -IGMP query, multicast
-ARP tables are held in nodes - -True
-Match these layer numbers to the corresponding layer names in the OSI
model: - -Layer 7 - Application
Layer 6 - Presentation
Layer 5 - Session
Layer 4 - Transport
Layer 3 - Network
Layer 2 - Datalink
Layer 1 - Physical
-Dante devices have a set number of flows. - -True
-A Dante receiving device has a latency setting of 1ms. A Dante transmitting
device has a latency setting of 250µs. If a subscription is created between
these units, when will the audio playout of the receiving device? - -1 milli
seconds
-Sync traffic is the most time critical traffic in a Dante network and is tagged
with DSCP ______. - -56
-How many channels are contained in a Multicast Flow? - -Up to 8
-The BEST way to bring up a redundant network online is: - -Bring the
primary network online first, ensure all devices appear functional, check that
devices are configured to operate in redundant mode, then bring the
secondary network online.
-What steps need to be taken in order to segment a broadcast domain?
(select all that apply) - --Put the same type of devices into a VLAN
-Define VLAN as an IP subnet
-SCENARIO: You notice that audio on your Dante network is not working as it
should, but only when multicast transmission is configured for audio. Your
audio network is on a converged enterprise network. After testing your Dante
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