Headers and footers can include text and graphics,as well as the _____.

A) current date
B) page number
C) current time
D) all of the above

When would a technician use a loopback plug?

A) When testing the motherboard
B) When testing a particular port
C) When testing a power supply
D) When testing a hard drive

The use of ____ in a C program will result in a compiler error.

A) if (age == 40)
B) if (40 == age)
C) if (age = 40)
D) if (40 = age)

Proper grounding procedures for a PLC installation specify that:

A) all enclosures, CPU and I/O chassis, and power supplies be connected to a single low-impedance ground.
B) paint or nonconductive materials should be scraped away to provide good ground connections.
C) all ground connections should be made using star washers.
D) all of these.