DANTE Level 3 Test Study Questions

DANTE Level 3 Test Study Questions A Dante system is running on a converged enterprise network. Clocking and discovery are working OK, but audio only passes in unicast. You conclude that a firewall is blocking your multicast audio packets. What port would you ask the IT administrator to unblock? - UDP 4321 If 5 unicast channels are sent between two devices, how much bandwidth, and how many flows are being used? (sample rate 48KHz/24-bit) - 12 mbps, and 2 flows Dante media clock synchronization is more accurate than [...] between any two devices on the network (Select the most accurate variance we guarantee) - 1 micro sec If 3 channels are being sent within 1 unicast flow, how much bandwidth is being used? (sample rate 48KHz/24-bit) - 6mbps Routers do not use IP addresses, they only use MAC addresses. - FALSE On a Unicast transmission, a transmitter and receiver have latency settings of 0.25 msec and 1.00 msec, respectively. When will the audio playout of the receiving device? 1 milli seconds - 1 milli seconds A Dante device can have an unlimited number of receive flows. - FALSE It is a best practice (and strongly suggested) to designate unique IP subnets to each VLAN. Among other things, you'll be able to use a router to connect the devices across VLANs (via unicast). - TRUE How much bandwidth does a unicast audio flow use? (Assume 48kHz, 24-bit.) - 6mbps A multicast flow is initiated by a transmitter alone. - TRUE A switch populates its [...] by observing the source [...] of ARP requests and responses passing through. - Mac Address Table MAC Addresses IGMP snooping listens for reports to [...] messages in order to restrict [...] traffic. - IGMP query, multicast The amount of bandwidth used by a multicast flow varies based on number of transmitting channels. - TRUE When you know you will be configuring switches with features like IGMP Snooping, there is no hesitation in combining managed switches from different manufacturers in your design. - FALSE How can you find out how many transmit flows a device is using? - In Dante Controller, go to Device View, Tx tab Dante devices automatically change unicast flows to multicast when a fan-out is detected. - False A Dante system is using a mix of Brooklyn II (1Gbps) and Ultimo (100Mbps) devices. The system has run continuously for at least 5 days, though system operators suggest they hear occasional sound distortions. You notice audio multicast bandwidth has accumulated to 90Mbps. What would be the potential solution for this? - Turn on IGMP Snooping When a system will implement redundant networks, the preferred method for commissioning is: - Bring one network online at a time, ensuring devices are property set for redundant and you have the expected operation on each network. Once you are satisfied, bring both networks online together. Diffserv QoS uses [...] tags. - DSCP A [...] can either permit or block a/an [...] or a port on a particular transport protocol. - FIREWALL, IP Address