JK0-801 Online Practice Questions and Answers

Which of the following wireless protocols is limited to operating in the 5 GHz range ONLY?

A. 802.11a

B. 802.11b

C. 802.11g

D. 802.11n

Which of the following are components of an "active" CPU cooling solution?

A. A heatsink and thermal compound.

B. A heatsink, radiator, and thermal compound.

C. A heatsink, attached fan, and thermal compound.

D. A heatsink, case fan, and thermal compound.

A computer turns on and a "Date and Time Not Set" message appears on the screen after the manufacturer logo.

Which of the following is the MOST possible cause?

A. The computer was not shut down properly.

B. The CMOS battery needs to be replaced.

C. The OS has stopped synching with the NTP server.

D. The system BIOS is corrupted.

Which of the following should a technician configure on a small office home office (SOHO) wireless router so IP addresses are automatically assigned to devices on the wireless network?

A. MAC filtering

B. DHCP

C. NAT

D. DNS

Which of the following should a technician check FIRST on the laptop if the system's battery is not being charged?

A. CMOS battery

B. DC-in jack

C. AC-in jack

D. Breaker for the wall jack

Which of the following computer components are located on the Northbridge? (Select TWO).

A. Hard drive

B. CPU

C. Fan

D. RAM

E. Audio

Which of the following 802.11 standards has the MAXIMUM throughput of 11 Mbps?

A. A

B. B

C. G

D. N

Which of the following is MOST likely to contain hazardous voltages?

A. CD-ROM drive

B. External USB drive

C. Inkjet printer

D. CRT display

A technician installs a biometric device using the manufacturer supplied driver. After confirming the device functions properly, the technician performs Windows and antivirus updates.

Which of the following would BEST explain why the biometric device no longer functions?

A. The recently updated antivirus scanning software is interfering with the proper operations of the biometric device.

B. A virus that specifically targets retinal scanning software infected the PC because the user was late applying new definitions.

C. The recently installed Windows updates overwrote the manufacturer's supplied biometric device driver.

D. The biometric device needs to be recalibrated due to environmental conditions involved with the installation.

Which of the following describes the MAIN difference between a plenum rated cable versus a non- plenum rated cable?

A. A reduced production of hazardous fumes when subjected to fire

B. The ability to be bent into tighter turning radiuses within conduit

C. A reduced noise level when bundled in groups of 20 or more

D. The ability to transmit data with fewer cross-talk interruptions