A+ 901 Test 20 Flashcards
Disk Defragmenter is a software tool used for rearranging data on magnetic drives in order to improve system performance. Defragmentation results in faster read/write operations of the magnetic hard drive’s read/write heads as they can access the data sequentially without seeking data fragments in different areas of the disk (defragmentation consolidates data into smallest contiguous regions).
True
Similarly to magnetic drives, Solid State-Drives (SSDs) require periodic defragmentation in order to improve system performance.
False
When a computer monitor is unable to display image on the screen, the most common causes (and the easiest ones to fix) for this problem include:
Loose cable connections
Wrong input selection
A tiny spot on an LCD monitor display screen that permanently remains black when it should be activated and displaying color is commonly referred to as stuck pixel.
False
A dim display on a laptop LCD screen might indicate a problem related to:
Backlight
Inverter
A permanent computer display screen discoloration caused by displaying the same static image for extended periods of time is known as:
Burn-in
APIPA-assigned addresses are valid only for communications within a network segment that a given host is connected to. A host with APIPA-assigned address (i.e. an IP address in the range between 169.254.0.1 and 169.254.255.254) cannot connect to the Internet. The assignment of such address, which can be checked with the IPCONFIG command-line utility, typically indicates a DHCP-related problem.
True
Which of the following command-line utilities allows to test the reachability of a host across an IP network?
PING
Which of the Windows Command Prompt tools listed below allows to display IP addresses, subnet mask, and default gateway for all adapters?
IPCONFIG
A Linux command-line utility used for displaying and modifying network interface configuration settings is called:
IFCONFIG
Microsoft Windows OS command-line command for displaying intermediary points on the packet route is called:
TRACERT
What is the name of a command-line utility in MS Windows that allows for displaying protocol statistics and current TCP/IP network connections?
NETSTAT
Which of the following answers lists a Windows command-line utility designed to be of help in troubleshooting NetBIOS name resolution problems?
NBTSTAT
The following Windows command-line command can be used to display a list of domains, computers, or shared resources available on a specific computer.
NET VIEW
Which of the network administration command-line tools listed below is used for DNS queries?
NSLOOKUP
Which of the actions listed below should be of help while troubleshooting non-responsive touchscreen of a mobile device?
Reseating the device’s battery
Erasing all content/settings and restoring the device to factory defaults (factory reset/hard reset)
Pressing a specific key combination/button to perform system restart (soft reset)
Removing screen protector and cleaning the screen
->All of the above
Which of the following steps would ensure the proper re-assembly of a serviced laptop?
Usage of appropriate hand tools
Documenting and labeling cable and screw locations
Magnetic mat/separate containers used for holding disassembled parts
Manufacturer documentation used as a reference
In laser printing, long vertical streaks on each output page indicate a problem related to:
Damage to the imaging drum
Which of the symptoms listed below would indicate a depleted toner cartridge as the source of a printing problem?
Faded printouts
Printing blank pages
Which step of the laser printer imaging process requires troubleshooting if a printer produces ghost images on output pages?
Cleaning
In laser printing, toner falling off of the printed copy indicates a problem with:
Fusing unit
Garbled characters on output pages would indicate a printing problem related to:
Printer driver
A set of printer replacement parts is commonly referred to as:
Maintenance kit
Which of the following tools would be the most appropriate to clean the inside of a laser printer?
Toner vacuum
Can of compressed air
A software that temporarily stores print jobs on the computer hard disk or in memory until the printer is ready to print them is called:
Print spooler
