test 1 a+ course 2
Which of the following file extension names indicates a "system" file extension? a) .bmp b) .png c) .msg d) .jpg
.msg
Which of the system file extensions is used to represent an error message? a) .ddl b) .bak c) .msg d) .msi
.msg
You can use cipher.exe to encrypt files from a command line. Which of these command switches encrypts the specified directory? a) /D b) /H c) /E d) /A
/E
On a Linux terminal, a question mark represents how many characters? a) 1 b) 0 c) Up to 17 d) Multiple
1
If you connect a 100 MBps network switch to a 1000 MBps network card, the card will run at how many MBps? a) 100 MBps b) 1000 MBps c) 10000 MBps d) All of these
100 MBps
Power-on-self-test (POST) beeps may also include an error code. Which error code indicates a hard drive error? a) 600-699 b) 1700-1799 c) 300-399 d) 100-199
1700-1799
Federal and local laws regulate the disposal of hazardous waste and materials. As an IT professional, you are responsible to properly dispose of which of the following? A. Toner cartridges B. CRTs C. Batteries D. Wastepaper
A B C
How do you know if you have a component which should only be serviced by the manufacturer or a manufacturer-trained technician? a) You cannot see how to open a panel b) You need special tools to open a panel c) All components are field serviceable d) A and B
A and B
Using a parallel cable, which end connects to the computer? a) A female DB-25 b) A male Centronics 36 c) A male DB-25 d) A female Centronics 36
A male DB-25
Which of these would you use to repair a damaged operating system? a) Firmware update b) Third-party maintenance tool c) Antivirus software d) A rescue boot
A rescue boot
Which power mode would you place a computer in if you wanted to cut the power from peripheral devices but maintain power to critical components like memory? a) Standby b) Sleep c) Suspend d) A, B, C
A, B, C
Professionalism and communication are important traits for information technology professionals. Which of the following are important to success in customer interaction? A. Clarify statements and repeat what you have heard from the customer B. Require the customer document symptoms in writing C. Use open-ended questions which encourage the customer to provide additional information D. Avoid technical talk
A, C and D
Information technology professionals provide many services for customers. When fixing a potential problem, it is important to prevent it from occurring again. If a client deleted or modified a file inadvertently, which action could you take to prevent reoccurrence? a) Add security or permissions to the file b) Reimage their laptop c) Speak with their supervisor and request a reprimand d) Perform a full backup
Add security or permissions to the file
If you received a message that said "Windows did not shutdown successfully" what options might you use? a) Start Windows normally b) Start using safe mode c) Start using safe mode with the command prompt d) All of these
All of these
Which of the following diagnostics could you find within the BIOS? a) Temperature monitoring b) Intrusion detection c) Clock speed d) All of these
All of these
What is the purpose of system image recovery? a) Repairs to the factory partition b) Takes a picture of the entire drive system c) Clones the current operating environment d) B and C
B and C
The type of authentication device which requires a retinal scan is a _______________? a) KVM switch b) Biometric device c) Scanner d) Digitizer
Biometric device
How are network cards categorized? a) By their dimensions b) By their transfer rates c) By their casing color d) By their number of slots
By their transfer rates
As a technician, you are trying to determine a potential fix for a problem. Which two of these answers are the least time consuming when prioritizing potential fixes? A. Reimaging B. Reinstalling applications C. Verifying application settings D. Testing new user profiles
C and D
Within the motherboard chip set there are two chips which comprise the largest part of the motherboard; these are the North and South bridges. The North Bridge is responsible for communication with which of the following? a) CPU to USB b) CPU to PCI c) CPU to memory d) CPU to IDE
CPU to memory
As part of maintenance for a printer, which type of test should be used to ensure multicolor printheads are in alignment? a) Preventive maintenance scan b) Calibration test c) Diagnostic test d) Replacement of the printhead
Calibration test
If you had a multicolor print head that was out of alignment, what diagnostic element could you use to help align the print? a) Remove any dust b) Calibration test c) Replace the ink d) Clean the pickup roller
Calibration test
The device IT professionals use to separate pieces of a computer case that do not come apart once the screws are removed is the ___________? a) Disassembly adjustment tool b) Case divider c) Slot opener d) Case cracker
Case cracker
There are a variety of circuit packaging types. Chip packaging explains how a chip is constructed, packaged, and ultimately used. Which type of chip packaging includes a rectangular package with contacts on all four edges? a) Chip carrier b) Pin grid array c) Through-hole package d) Flat package
Chip carrier
The hardware configuration settings saved between reboots of the computer are stored in what location? a) Basic Input-Output System (BIOS) b) Complementary Metal Oxide Semiconductor (CMOS) c) Unified Extensible Firmware Interface (UEFI) d) Solid-State Drive (SSD)
Complementary Metal Oxide Semiconductor (CMOS)
If a network were attacked with a virus which prevents the system from performing its normal function or replies that the system is busy, which of these may have occurred? a) Denial-of-service b) Eavesdropping attack c) Man-in-the-middle attack d) Spoofing
Denial-of-service
Which of these applications is the main tool used in Windows for configuring and removing device drivers? a) Driver details b) Device manager c) Plug-and-play manager d) Driver update
Device manager
In order to improve router security, which of these actions would you take? a)Change the service set identifier b)Disable the DHCP and statically assign an IP address c)Disable the SSID d)Implement MAC filtering
Disable the DHCP and statically assign an IP address
Which type of printer uses a solenoid to strike a ribbon and create characters through patterns of small dots? a) Inkjet printer b) Laser printer c) Thermal printer d) Dot matrix printer
Dot matrix printer
Which component of a printer allows for automatic printing on both sides of the paper? a) Carriage and belt b) Printhead c) Duplexing assembly d) Heading element
Duplexing assembly
Small Computer System Interface (SCSI) will support how many devices in the chain or bus? a) Twelve b) One c) Eight d) Two
Eight
Repetitive motion is a concern among computer users. The prevention of Repetitive Strain Injury (RSI) is called _____________? a) Ergonomics b) Common computer usage c) Industrial hygiene d) Comfort monitoring
Ergonomics
What is the security feature that identifies areas of memory that are not allowed to run code? a) Flat disable bit b) Execute disable bit c) Throttling d) Overflow attack
Execute disable bit
Which one of the phases of the laser printing process includes a reduction of charge from 600 V to 100 V? a) Exposing the drum b) Transferring the image c) Charging the drum d) Developing the image
Exposing the drum
Startup problem correction can be initiated by clicking which computer key? a) F8 b) F1 c) F2 d) F0
F8
True or False: In order to troubleshoot device installation, you want to load an older version of the driver.
False
True or False: Non-parity memory is used to perform error checking against the information that is "read" compared to what is "retrieved".
False
True or False: Resource pooling is a technique that allows sharing of a single physical instance of an application among multiple customers.
False
True or False: SATA is a technology that allows you to connect hard drives to the system. It has a direct connection to the motherboard which does NOT support hot swapping technology.
False
True or False: Up to six devices can have the same IP address.
False
True or False: You should utilize the registry editor to associate file types with applications.
False
Which process of laser printing melts the toner to the paper? a) Developing the image b) Exposing the drum c) Transferring the image d) Fusing the image
Fusing the image
Processor speeds determine how fast the processor executes its commands or instructions. Speeds were initially measured in megahertz, which are millions of hertz. Today's processors are measured in what type of measure? a) Nano hertz b) Troy units c) Gigahertz d) MBPS
Gigahertz
Network cards have a unique address burned into the ROM chip which is the_____________ address of the network card. a) Location address b) Hardware address c) Receiving address d) Sending address
Hardware address
If you needed to repair the operating system using a special boot of Windows that loaded only the minimal set of drivers to get the operating system running, you would be operating this computer in what manner? a) Using a paging file b) In registry mode c) In safe mode d) Using a graphical interface
In safe mode
Physical security ensures people cannot physically access a system. What type of physical security is used which will notify you if a cover is taken off a system? a) Secure server replacement b) Passwords c) Trusted platform module d) Intrusion detection
Intrusion detection
When a mechanism fails that separates storage, memory, or routing between tenants, this is called __________. a) On-demand service b) Isolation failure c) Virtualization d) Lock-in
Isolation failure
Remember that processor sockets are used to hold processor chips. Where would you find the "type" of socket on a socket chip? a) This is stamped on the CPU b) It is identified on the outer casing of the computer c) It is identified through the vendor d) It is identified along the side of the socket
It is identified along the side of the socket
Which type of SCSI has a transfer rate of 80 MBps? a) LVD (Ultra 2 SCSI) b) Ultra SCSI c) SCSI-1 d) Fast wide SCSI-2 PREV
LVD
Which of these types of batteries would provide the best battery performance for a laptop? a) Li-Ion b) Alkaline c) Nickel metal hydride d) Nickel cadmium
Li-Ion
If you are having issues with under and over voltage situations and needed an indicator when this occurs, what device would you use? a) Standby unit b) Uninterruptible power supply c) Line conditioner d) Surge suppressor
Line conditioner
There are many benefits to the public cloud model including reliability and flexibility. Which of these is the major disadvantage of the public cloud model? a) Low security b) Location dependents c) Cost d) Low scalability
Low security
The unit of image quality that digital cameras are measured by is the ____________? a) Codec compression b) Megapixel c) MJPEG d) Pixel
Megapixel
Which type of connector would you most likely use to connect a keyboard or mouse? a) RJ-11 b) RJ-45 c) Mini-DIN 6 d) Micro-B
Mini-DIN 6
In order for a device to be plug-and-play, all of the following must occur EXCEPT: a) Must identify the resources it requires b) Must identify the software it configures c) Must be uniquely identified d) Must identify the driver it supports
Must identify the software it configures
Which of the following processing units performs mathematical calculations? a) CPU b) RAM c) GPU d) NPU
NPU
Dual in-line memory modules (DIMMS) hold memory chips which are connected to the motherboard through pins. How many DIMMs are required to fill a bank? a) One b) Two c) Three d) Four
One
When troubleshooting a faulty power supply, you need to understand the required voltage for each pin and be able to identify the connection. The correct color for pin 1 on a main power connector is: a) Orange b) Red c) Black d) Green
Orange
Which of these is used when the voltage exceeds what the meter is capable of handling? a) Overload protection b) Maximum trap c) Auto ranging d) Automatic power off
Overload protection
Fans are important to manage internal airflow for computers. The air is warmest by which of the following components? a) Power Supply b) Card Slots c) Hard Drive d) CPU
Power supply
Which of these devices is responsible for taking alternating current from a wall socket and converting it to direct current that is usable by the computer component? a) EMI b) Battery c) CPU d) Power supply unit
Power supply unit
Technicians need to know the operations and configurations of the motherboard and components. When installing processor chips, how is a chip installed in a "zero insertion force" (ZIF) socket? a) Pull up on the insertion lever b) Insert the chip through the USB port c) Chips installed in a ZIF socket must be replaced by the manufacturer d) Utilize needle nose pliers and twist counter clockwise
Pull up on the insertion lever
Which of the following is the first step in identifying a problem with the computer system? a) Drives can be removed and added while the system is running b) Review any configuration changes c) Question the system's user d) Unplug the power supply, then remove the battery
Question the system's user
RAID is utilized to store duplicated data on multiple discs providing multiple backups. Which level of RAID requires a minimum of three drives and writes to all of them? a) RAID Level 5 b) RAID Level 1 c) RAID Level 3 d) RAID Level 0
RAID Level 5
Serial ports send data in series through the COM ports. Which serial communication standard is most widely used? a) RS-485 b) MIL-188 c) RS-232 d) Current Loop
RS-232
Which of these identifies the number of pixels supported on a computer screen? a) Refresh rate b) Resolution c) Color depth d) Lumens
Resolution
When performing a BIOS upgrade, which of the following would you need to do? a) Upgrade to a new BIOS chip b) Rewrite the program code using the EEPROM chip c) Return the system for manufacturer upgrade d) None of these
Rewrite the program code using the EEPROM chip
Preventive maintenance for hard drives includes all of the following EXCEPT: a) Defragmenting the drive b) Performing backups c) Running scandisk.exe to search for hard drive errors d) Scanning with virus software
Running scandisk.exe to search for hard drive errors
Serial ATA hard drive interface is hot-swappable and comes in all of the following transfer speeds EXCEPT: a) SATA v4 1200 MBps b) SATA v3 600 MBps c) SATA v2 300 MBps d) SATA v1 150 MBps
SATA v4 1200 MBps
Where would an information technology professional obtain information about a hazardous substance they work with? a) Safety Data Sheets (SDS) b) The EPA c) The label on the material d) OSHA
Safety Data Sheets (SDS)
Wyatt works in a very large company which has multiple employees quite often printing large jobs at the same time. How could you smooth the efficiency of these jobs? a) Background printing b) Spool management c) Scheduling d) Priority printing
Scheduling
Which component of the laser printer applies the positive charge to the paper? a) Conditioning drum b) Laser beam c) Secondary corona wire d) fusing image
Secondary corona wire
A type of encryption, commonly used on websites, which encrypts traffic by applying a digital certificate is __________. a) Internet Protocol Security (IPSec) b) COMSEC c) Virtual Private Network (VPN) d) Secure Sockets Layer (SSL)
Secure Sockets Layer (SSL)
If an error occurred during a driver update, what action could you take to get the device working? a) Download a new driver b) Select the driver rollback option c) Boot into safe mode d) None of these
Select the driver rollback option
Which type of device port would be used to attach a modem to your computer? a) USB b) Serial c) Mouse d) Parallel
Serial
Which of the following cannot be measured using a multimeter? a) Resistance b) Current c) Voltage d) Sound
Sound
Uninterrupted power supplies are very useful. Which type of power issue is indicated by a sharp increase in line voltage caused by a problem from power utility equipment? a) Noise b) Spike c) Brownout d) Blackout
Spike
Which type of fiber optic cabling connector is rectangular and similar to an RJ-45 connector? a) Subscriber b) Straight tip c) Mechanical transfer d) Local connector
Subscriber
Which file attribute indicates a file which is required by the operating system? a) Archive b) System c) Hidden d) Read-only
System
Which of the following is the most important concept you can use to promote good ergonomics? a) Contact your safety office b) Only use high dollar equipment c) Use a wireless keyboard and mouse d) Take frequent breaks
Take frequent breaks
If you have an older version of an application that does not run properly on Windows, where should you check? a) The performance options menu b) The Application Compatibility Settings c) The System Control Panel d) None of these
The Application Compatibility Settings
Which device assigns an ID to a device and reconfigures it based on requests from the configuration manager? a) The device settings manager b) The bus enumerator c) The driver signature d) The INF file
The bus enumerator
The CMOS contains an inventory of all the devices connected to the system. Kyle upgraded his system with 2 GB of RAM. When he rebooted the system he received a memory error; which of these is the cause? a) The memory is not compatible b) Firmware updates are not current c) The RAM is defective d) The changes were not saved during the last boot
The changes were not saved during the last boot
The front end of cloud computing refers to the client part of the system. What does the back end refer to? a) Customers b) The cloud itself c) Applications d) Services provided
The cloud itself
What does a parity error indicate about the memory? a) The memory is too small b) There is an issue with the integrity of the data c) An error has been corrected d) Non-parity memory checking must be run
There is an issue with the integrity of the data
Installation of network cards is typically plug-and-play. If you wanted to adjust a network card to run at a specific speed, how would that be accomplished? a) It would need to be ordered with the specific speed b) Through the properties menu c) Through the CMOS d) Through the BIOS
Through the properties menu
Which operating system tool on the Mac OS automatically backs up data on an hourly basis? a) The random backup b) Time Machine c) Snapshot restore d) Image recovery PREV
Time Machine
Which of these is NOT one of the six phases of the laser printing process? a) Transferring b) Developing c) Toning d) Writing
Toning
Which type of malware tricks a user into running a program which subsequently does something totally different than what the user had expected? a) Spyware b) Trojan virus c) Worm d) Ransomware
Trojan virus
True or False: For the purposes of the A+ exam, standby, sleep, and suspend are all synonymous for power modes.
True
True or False: One of the advantages of a network-based printer is that dedicated print servers are not required.
True
True or False: Reducing the number of ribbon cables will improve laptop airflow.
True
True or False: Restoring a system using the factory recovery partition will cause you to lose data that you have not backed up.
True
True or False: System restore provides a restore point which can be used to revert the system to a previous state in the event of failure.
True
True or False: The component which allows the display, keyboard controller, mouse, or a port to communicate with the computer through the motherboard is the adapter card.
True
True or False: Video compression and decompression software requires the same codec used on the computer that is used to record the video.
True
True or False: When troubleshooting a USB, the USB port can possibly be disabled in the CMOS or the operating system.
True
Which of the following is the video standard for 21-inch LCD displays on laptops? a) Monochrome b) EGA c) VGA d) Ultra XGA
Ultra XGA
Which of these devices provides a battery backup for your computer system? a) Line conditioner b) Surge suppressor c) Noise preventer d) Uninterruptible power supply (UPS)
Uninterruptible power supply (UPS)
The type of drive that Scott can attach to a computer depends on which type of drive is supported by the motherboard and input output cards. Which of these technologies could he use to attach a hard drive to a motherboard? a) IDE (Integrated Drive Electronics) b) SATA (Serial ATA) c) SCSI (Small Computer System Interface) d) SAS (Serial Attached SCSI) e) all of the above
all of the above