Question
A repeater operates at which layer of the OSI
model? ÂSolution
Repeaters work at the physical layer to regenerate and transmit signals across a network.
11, 9, 15, 41 ,157, 789
1 5 36 343 ? 59049
...3600 600 120 30 ? 5
...40 30 20 ? 7.5 4.375
Select the number from among the given options that can replace the question mark (?) in the following series.
24, 35, 51, 73, 102, ?
16 18 14 20 12 ?
...68    189    45    214    ?    243
23 48 98 198 ? 798
...? + (55)2 = (140)2 – (80)2 – 6278
12, 18, 28, 42, 52, ?