The 3 most common layer 2 protocols are:
A) Frame Relay, ATM, Ethernet B) IP, IPX, AppleTalk
C) SONET, Frame Relay, ATM D) Frame Relay, ATM, Ethernet
C
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PROBLEM 2.41 A brass bolt (Eb = 15 ? 106 psi) of -in. diameter is fitted inside a steel tube (Es = 29 ? 106 psi) of -in. outer diameter and -in. wall thickness. After the nut has been fit snugly, it is tightened one-quarter of a full turn. Knowing that the bolt is single-threaded with a 0.1-in. pitch, determine the normal stress (a) in the bolt, (b) in the tube.
A short run own price elasticity of demand of -0.20 suggests a price flexibility coefficient of
A) -2.0. B) +2.0. C) -5.0. D) -0.50.
Electrical service for a room unit may also involve the thermostat and the power cord.
Answer the following statement true (T) or false (F)
Elements are:
A) Pressure and temperature. B) Force and pressure. C) The forces of velocity pressure and density upon a substance. D) Naturally occurring chemicals.