Computer Network Test 4 - Online Test

Test Difficulty Level: Medium

Syllabus of Test

Questions based on Computer Networks.

Sample Question from this online test:

Question: If the data rate of ring is 20 Mbps , signal propagation speed is 200m/ps, then no. of bits that can be placed on the channel of 200 km is

Option A: 2000 bits

Option B: 1000 bits

Option C: 20,000 bits

Option D: None

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Comments

Sk Babar Ali on 2011-07-30 09:38:06 wrote,

ans of q1 is wrong ,
right asn is Option C: 20,000 bits
explanation

time =(10^-6*200*10^3 )/200
= 10^-3 sec
there fore no of bit =20Mbps*10^-3
=20*10^6*10^-3
=20,000 bit

pranali patil on 2012-05-05 10:19:01 wrote,

gud but confusing

hemlata chaudhari on 2013-07-31 14:06:31 wrote,

I think some ans is wrong

Dev Verma on 2014-02-03 14:32:07 wrote,

Correction:
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IP is responsible for ____ communication while TCP is responsible for ____ communication.
Option A: host-to-host ; process-to-process
Option B: process-to-process; host-to-host
Option C: process-to-process; node-to-node
Option D: node-to-node; process-to-process
Your Answer: A
Correct Answer: B
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IP at Network Layer layer uses IP of Source and destination i.e host level, TCP (Tranport Layer) uses Source Port and Destination ports i.e Application/process level. MAC has a Node level function as it changes at every hop. I think the answer A is the correct it..........
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