CompTIA exam questions
The user turns on the computer and hears a popping sound and detects a burning smell. The system will not power on. Which of the following is the MOST likely problem?
A. Power supply has blown.
B. CPU fan is faulty.
C. Motherboard has overheated and shutdown.
D. UPS has been tripped.
How many total IP addresses are represented by the 255.255.255.0 netmask?
A. 128
B. 256
C. 512
D. 1024
A local low broadcast television station has asked Emily, a technician, to build a computer that can be used to create commercials. Which of the following should she consider FIRST?
A. High-end graphics card
B. Surround sound capable sound
C. TV tuner
D. Water cooled CPU
Which of the following is the appropriate interface to connect an optical mouse and keyboard to a computer?
A. IEEE 1394
B. USB
C. Serial
D. eSATA
Which of the following is the default HTTPS port?
A. 25
B. 80
C. 110
D. 443
Emily, a user, has requested help to choose a new workstation for her design business. Which of the following would be the MOST important feature of a new workstation?
A. FireWire adapter card
B. High performance graphics card
C. Surround sound audio card
D. USB 3.0 port
Which of the following hard drive types would be considered the MOST likely to survive a fall?
A. SCSI
B. Solid State
C. IDE
D. SATA
Which of the following is the form factor of a standard S-video connector?
A. DB-15
B. DB-25
C. DIN-6
D. DB-9
Which of the following ports is used by default for IMAP traffic?
A. 53
B. 110
C. 143
D. 443
Which of the following devices uses MAC tables to allow multiple computers to access a single network connection?
A. Hub
B. Firewall
C. VoIP
D. Switch