Exam (elaborations)
Dante Level 3 Test
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Exam of 5 pages for the course Dante at Dante (Dante Level 3 Test)
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Dante Level 3 Test QuestionsA campus network has different subnets for each of the twenty buildings. A project calls
for a system design where Dante devices would be present in every building. The
VLANs are connected by standard inter-VLAN routing. Dante Domain Manager is
present in the design.
Can we establish a single dante domain for all the background music and paging
equipment across the entire campus, throughout all subnets? - ANS -Yes. We will need
to make sure we have enough flows to cover the unicast feeds, but otherwise this is
fine.
An ARP request begins with an_____ and attempts to find the associated______ - ANS
-IP address, MAC address
An ARP request is a ______ message, and the reply to that request is a_____
message. - ANS -broadcast, unicast
Are dante flows unicast or multicast by default? - ANS -Unicast
color meanings - ANS -green: in a managed system, these channels are shared from a
device in another domain.
red: a dante device is discovered in the network, but it is in the wrong subnet or you
have primary/secondary reversed.
black: a normal dante device properly recognized on the network.
Dante devices remember their settings through power cycles, so they restore
functionality when they come back up. Of course, a subscription is made between a
transmitter and a receiver-so which device remembers the connections that need to be
made? - ANS -The receiver
Describe follower, primary clock leader, and boundary clock - ANS -follower: a device
that accepts a clock from another source
primary clock leader: a device that is the original time reference for all other devices on
the network.
, boundary clock. A device that accepts a clock from another source, then feeds that
clock to other devices.
Describe Layer 1-4 - ANS -Layer 1: Hardware, electrical and optical connections
Layer 2: source and destination MAC addresses
Layer 3: source and destination IP addresses
Layer 4: Network protocol as well as source and destination IP port
Determine the network connections for these multiast flows:
Discovery
Clocking (sync)
Audio/Video Streams (multicast)
Clocking (PTP signal)
Dante Traffic Monitoring. - ANS -discovery: 224.0.0.251:5353
clocking (sync):224.0.1.129to 224.0.1.132, ports 319 and 320.
Audio/video streams (multicast):239.255.x.x., port 4321
Clocking (PTP signal): 239.254.3.3:9998
Dante Traffic Monitoring: 224.0.0.230 to 224.0.0.233,ports 8700 to 8708.
Does dante domain manager subscribe to other networks when the transmitter is
multicast? - ANS -Yes. Dante domain manager can take multicast from a transmitter
and send it as unicast across a router to another subnet.
How does dante controller discover a new device when it is first connected to the
network? - ANS -dante controller listens for an mDNS "discovery" announcement at
224.0/0/251:5353
How does IANA standardize port numbers? - ANS -Protocols are in the lower number
range
dynamic, ad-hoc connections use higher port ranges.
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