What transmission technology did the PHY layer for 802.11g introduce?
A. PBCC
B. CCK
C. DSSS
D. OFDM
Answer: D
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Refer to the figure above. The hand signal being demonstrated means _____.
a. Stop
b. Dog Everything
c. Emergency Stop
d. Lower
Higher welding speeds are an advantage of autogenous welds.
Answer the following statement true (T) or false (F)
Two technicians are discussing the machining of brake drums. Technician A says that most brake drums cannot be machined more than 0.060 in. oversize. Technician B says that brake drums on a common axle should be machined to within 0.035 in. of each other. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Overhead trunk and radial systems are typically used in homes _____
A) built over a crawl space B) with an attic C) with more than two stories D) built on concrete slabs