An administrator notices an unused cable behind a cabinet that is terminated with a DB-9 connector. Which of the following protocols was MOST likely used on this cable?
A. RS-232
B. 802.3
C. ATM
D. Token ring
CompTIA exam questions
An administrator notices an unused cable behind a cabinet that is terminated with a DB-9 connector. Which of the following protocols was MOST likely used on this cable?
A. RS-232
B. 802.3
C. ATM
D. Token ring
Which of the following devices requires 3.3V of power from the motherboard?
A. SLI Video Card
B. DVD-ROM Drive
C. USB Port
D. Serial Port Card
A technician is tasked with adding a Barcode Scanner to a user PC. Which of the following would MOST likely be used to make the connection to the PC? (Select TWO).
A. RJ-45
B. Serial port
C. USB
D. DB-15
E. Infrared
After installing a new serial port card in a computer, the communication parameters need to be configured. Which of the following is the MOST common communication configuration for a serial port?
A. Eight data bits, even parity, two stop bits
B. Seven data bits, no parity, one stop bit
C. Eight data bits, no parity, one stop bit
D. Seven data bits, even parity, one stop bit
Which of the following devices requires 12V of power from the power supply?
A. Serial Port Card
B. CD-ROM Drive
C. Parallel Port
D. Audio Jack
Which of the following settings for a serial port expansion card is the default for MOST external modems?
A. 6, Yes, 0
B. 6, None, 1
C. 8, None, 1
D. 8, Yes, 0