QUESTIONS AND COMPLETE SOLUTIONS
100% CORRECT
◉ If no DHCP server is found for automatic IP addressing, what is
the back up plan? Answer: Link Local
◉ How does Link Local work? Answer: Assigns each device a
random address in 169 . 254 . ___ . ___
Sends an ARP request to ensure that an address is available
Once Link Local address is set, we continue looking for DHCP
Service
◉ VLAN Answer: Strategically isolates LANs on the same switch
◉ Non-Blocking Architecture Answer: The switch is not the
bandwidth bottleneck in the network
Your only restriction is your individual port speed
,◉ Spanning Tree Protocol (STP) Answer: A protocol that disables a
second trunk line between the same two switches to prevent a
Broadcast Storm
◉ Broadcast Storm Answer: An endless loop of broadcast
information. Like microphone feedback but for broadcast
◉ Link Aggregation Group (LAG) Answer: Allows trunk lines to be
combined for more bandwidth
◉ How can trunk lines contact multiple VLANs? Answer: By
"tagging" packets
It its best practice to have one untagged VLAN, the rest being tagged
◉ TCP Answer: Like "signature required" mail, the sender gets a
notification that the message was received
Appropriate when communications are likely to be interrupted,
when missing a packet would invalidate the date, or when timely
delivery is a convenience rather than a necessity
◉ UDP Answer: Like "first class" mail, a message is put on the
network and assumed to be delivered successfully - no notification
,Appropriate when communications are not likely to be interrupted
(LAN), when a missing packet in sequences can be overcome (error
correction), or when timely delivery and/or low overhead is a
priority
UDP is ideal for real-time networks
◉ Potential problems with TCP Answer: Creates additional overhead
from confirmation messages, increasing the likelihood of problems
(not ideal for live Dante systems)
◉ When Dante sends media across a network, which can be used?
(select two)
- Unicast
- Multicast
- Broadcast Answer: Unicast or Multicast
◉ IGMP Snooping Answer: A tool for managing multicast traffic
, Without IGMP Snooping, Multicast behaves like Broadcast
◉ Unicast Answer: One-to-one transmission that can cross a router
for transmission
Signal must be duplicated to send to multiple destinations, which
can cause strain on transmitters and switches
Best latency performance
◉ Broadcast Answer: One-to-all transmission that does not cross the
router (contained to LAN)
Generally used for locating devices (DHCP) rather than a means for
communication
◉ Multicast Answer: One-to-many transmission that does not cross
the router (contained to LAN)
Transmissions will only go to destinations that need the
communications
Better bandwidth management as channel count rises