In channel partitioning protocols, which of the following "pieces" is used to allocate the channel to nodes for exclusive use?
Anonymous Quiz
35%
Frequency
40%
Time slots
11%
Code
14%
Collisions
allocate piece to node for exclusive use
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79%
channel partitioning
15%
random access
6%
taking turns
Which protocol allows collisions to occur and "recovers" from them?
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8%
CDMB
6%
TDMA
8%
FDMA
79%
CSMA/CD
The protocol is decentralized that mean
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13%
No special node to coordinate transmissions
13%
No synchronization of clocks, slots
74%
Both
Which technique divides time into time rounds and assigns each time slot to one of the nodes?
Anonymous Quiz
5%
TBM
82%
TDM
13%
CDMA
0%
CDM
two or more transmitting nodes: "collision"
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21%
channel partitioning
72%
random access
7%
taking turns
What is the advantage of TDM?
Anonymous Quiz
9%
Provides high channel efficiency
24%
Eliminates collisions
14%
Allows simultaneous transmission of nodes
53%
All Above
random access MAC protocol specifies
Anonymous Quiz
7%
how to detect collisions
7%
how to recover from collisions
85%
Both if them
In FDM, how is the channel divided among nodes?
Anonymous Quiz
9%
Based on time slots
5%
Based on unique codes
79%
Based on different frequencies
7%
Based on collision detection
What is the disadvantage of both TDM and FDM?
Anonymous Quiz
40%
Fixed-length slots
20%
Lack of synchronization
8%
Increased collisions
31%
All above
Which random access protocol uses equal-sized slots and assumes synchronized nodes?
Anonymous Quiz
81%
Slotted ALOHA
12%
Pure ALOHA
7%
CSMA
1%
CAM
Which random access protocol has a maximum efficiency of 18%?
Anonymous Quiz
8%
Slotted ALOHA
87%
Pure ALOHA
4%
CSMA
1%
CDMA