Which of the following describes the function of a switch in a network?
A. Transmits packets it receives to specific connections
B. Converts a packet for transmission from one network to another network
C. Determines whether a packet belongs on an internal or external network
D. Broadcasts packets it receives to all connections
Which of the following describes the function of a hub in a network?
A. Broadcasts packets it receives to specific connections
B. Determines whether a packet belongs on an internal or external network
C. Converts a packet for transmission from one network to another network
D. Broadcasts packets it receives to all connections
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
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.
A technician needs to access the system BIOS at boot time on a PC.
Which of the following are possible BIOS access keys? (Select TWO).
A. F2
B. F12
C. F8
D. Delete
E. Function F4
F. Control Home
A customer reports that their 4-year-old PC takes a long time to boot. The technician investigates and finds the BIOS is rediscovering the hardware environment at every boot.
Which of the following will MOST likely fix this problem?
A. Change out the CMOS battery on the motherboard.
B. At the OS level, launch "Device Manager" and re-scan the hardware.
C. Hit "F9" while the computer is booting, but before the OS starts to load.
D. Reset the BIOS using the CMOS reset jumper.
The technician has identified prohibited content on a PC.
Which of the following would be the FIRST action that the technician should take?
A. Walk away
B. Turn off the PC
C. Report it
D. Search for more
A customer would like to upgrade their onboard fast Ethernet connection to connect to their new gigabit network at the gigabit speed.
Which of the following will enable them to do so?
A. Convert the user to wireless.
B. Install a 10/100/1000 NIC.
C. Update the drivers for the onboard port.
D. Flash the BIOS to unlock the Ethernet port.
Which of the following devices is MOST likely to outperform a 15,000 rpm SAS hard drive in read speed?
A. Compact flash
B. SSD
C. Tape
D. SD
Which of the following will provide the FASTEST boot times for a laptop user?
A. Solid state drive
B. High capacity battery
C. eSATA hard drive
D. Increased RAM
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