Select the most common layer 1 protocols deployed in the metro network
A) Frame Relay, FDM, SONET, DS1, DS3
B) FDM, SONET, DS1, DS3
C) Frame Relay, SONET, DS1, DS3
D) SONET, DS1, DS3
E) None of the above
D
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The second-order AR filter has feedback coefficients a1=0.9 and a2=0.5 (b0 = 1). When xi = sin(2?i/8), the value of y2 = ________(x.xx).
Analysis: x0=sin(0)=0, x1=sin(?/4)=0.707, x2=sin(?/2)=1. yi = 0.9yi-1 +0.5yi-2 + xi. With zero initial conditions: y0=x0 =1 y1=0.9y0+x1=0.9(1) + 0.707 = 1.607 y2=0.9y1+0.5y0+x2 = 0.9(1.607) + 0.5(1)+ 1 = 2.9463 = 2.95
The ____________________ at the ends of the countergear control the amount of end clearance.
Fill in the blank(s) with the appropriate word(s).
Screw thread inserts are conically formed coils of diamond shaped wire made of stainless steel or phosphor bronze.
Answer the following statement true (T) or false (F)
Solve and reduce all answers to lowest terms: 5/8' + 3/4' + 1/16' + 3/8' =
What will be an ideal response?