Question 91
What is the maximum throughput percentage of Slotted ALOHA (rounded to 1 decimal place)?
Detailed Solution
$Max throughput = 1/e \approx 0.367879 = 36.8%.$
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GATE CSE Data Link Layer – Computer Networks Practice Test | Set 1
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Question 92
What is the maximum throughput percentage of Pure ALOHA (rounded to 1 decimal place)?
Detailed Solution
$Max throughput = 1/(2e) \approx 0.1839 = 18.4%.$
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Question 93
If minimum Hamming distance $d_{min} = 7$, what is the maximum number of bit errors t that can be GUARANTEED to be CORRECTED?
Detailed Solution
$Formula: d_{min} >= 2t + 1 => 7 >= 2t + 1 => 2t <= 6 => t = 3 errors.$
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Question 94
If minimum Hamming distance $d_{min} = 5$, what is the maximum number of bit errors d that can be GUARANTEED to be DETECTED?
Detailed Solution
$Formula: d_{min} >= d + 1 => 5 >= d + 1 => d = 4 errors.$
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Question 95
An Ethernet switch has 8 ports. How many total COLLISION DOMAINS are created by this switch if each port is connected to a single host?
Detailed Solution
A LAN switch creates a separate collision domain for each of its ports. 8 ports = 8 collision domains.
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