A+ Foundations 220-1001
Which of the following connections are typically on the external PC chassis?
-eSATA -IEEE 1394
Which of the following is known as Fast Ethernet?
100Base-TX
Which of the following is the correct pin for the Socket B?
1366
A user asks a technician to set up emails on his mobile device. The user also wants to retain a copy of the email. Which of the following ports should be the *best* for the technician to use for this purpose?
143
What port is used by the IMAP account for the unencrypted access?
143
Which port is used by SSH by default?
22
Which of the following drives can read CDs, DVDs, and Blu-ray discs, and record a new Blu-ray optical disc one?
BD-R
Which of the following optical disc types is intended for high-density storage of high-definition video as well as data storage?
BD-RE
Which bluetooth version introduced Bluetooth Low Energy (BLE) technology?
Bluetooth 4.x
Which printer sharing method is accessible only when its host computer is powered on and connected to the network?
CloudUSB
Which of the following performs management functions such as specifying the memory's clock signal?
Control bus
What tool will be required for replacing a power supply unit (PSU) from a computer?
Electro-static gloves
You want to set up a wireless network with data throughput of 54 Mbps. Which two wireless specifications will provide a data throughput of 54 Mbps?
-802.11a -802.11g
You are troubleshooting a problem with a laser printer where several pages of random dots are produced when you try to print a one-page document. You have verified that the proper print driver is installed and that the printer settings are correct. What component is the most likely cause of this problem?
Formatter board
You are responsible for providing printer maintenance for your company's laser printers. A user reports that a printer is having trouble bonding the toner to the paper. During which stage of the laser printing process does this occur?
Fusing
Which of the following protocols is considered stateless and uses TCP when communicating between a server and a client?
HTTP
Which liquid-crystal technology allows the polarized crystals to move more freely into the desired alignment?
IPS
Which option best describes the process of devices such as Wi-Fi access points to reporting their usage and status information to a cloud-based management point?
-Backhaul
Which types of data would be most likely to be synchronized between any two devices?
-Contacts -Email -Calendar
A technician is connecting a router directly to a PC using the G1/0/1 interface. Without the use of auto-sensing ports, which of the following cables should be used?
-Crossover
Which of the following are standard AMD processor socket types?
-FM1 -AM3
James, a technician, wants to transfer files between two systems. Which of the following protocols will help him?
-FTP -SCP
Which of the following is a standard protocol between music devices
MIDI
Which statement best describe the characteristics of the TCP protocol?
-It uses acknowledgements -It is reliable
What is the most likely cause of the access denied error while connecting a printer with a computer?
Network and Sharing is not enabled
Which display technology does not require additional background lighting?
OLED
You have decided to enable overclocking to increase the performance of a computer. On which computer components can you specifically enable overclocking?
-Processor -RAM -System bus
Your department's laser printer recently began printing a vertical black line near the edge of every printed page. What should you do to resolve the problem?
-Replace the toner cartridge
Which of the following expansion slots uses a serial connection?
PCIe
Jack has several areas in the office where he needs to install cabling. He has coaxial cable on hand, and he would like to use splitters to connect the different computers and areas. If he runs multiple splitters, which effects should he anticipate?
-Service quality issues -Connection speed issues -Signal loss
Amazon's Relational Database Service (RDS) is an example of which cloud service model?
PaaS
Which improvements does IPv6 provide over the current IP addressing scheme?
-The IP header options allow more efficient forwarding and less rigid length limits -Some header fields have been dropped or made optional
You are using a DSL connection at home. Even though the DSL connection is working fine, and you are able to connect to the Internet, the telephone line is dead even though it was working earlier. You connect the telephone to another port using a diferrent calbe, you are now able to get a dial tone. Woulc could be the possible cause of htis problem?
-The RJ-11 patch cord is faulty -The RJ-11 Port is is not working
Which of the following types of cables are *most* likely to be used to connect to an external hard drive?
-USB 3.0 -eSATA
George is only familiar with VGA connectors for monitors. What should you tell him are the main differences between VGA and DVI connectors?
-VGA and DVI video signals travel at different speeds -VGA connectors and cables carry analog signals, while DVI can carry both analog and digital signals
The Lightweight Directory Access Protocol uses which port by default?
389
Which power connector allows current to flow to different types of peripheral devices?
4-pin Molex
What is the greatest distance that can separate the USB 2.0 device from the computer?
5 meters
James, a technician, needs to configure a computer system or maximum safety of stored data while staying cost effective. Which of the following RAID levels should he use?
RAID 1
Which of the following settings cannot be adjusted for an LCD display?
Refresh rate
Requests originating from port 548 would most likely be coming from which system?
A Mac client
Which of the following will you consider to replace a power supply that consists of a 20-pin ATX connector and Molex drives
A PSU with a 20+4 connector
Which option would you be asking for if the request was sent out over port 53?
A name to IP address mapping
A radio firmware update is used to apply updates to which component of a mobile device?
A physical chip
A user has been given an inkjet printer that connects locally to this desktop computer. What does this printer use to push ink onto paper?
A piezoelectric crystal
What is flashing?
A process of rewriting the information stored on the chip
What is scalability?
Ability of a network to grow to meet new demands
What will happen if you enable airplane mode?
All wireless transceivers will be disabled at once
"Cloud" synchronization refers to copying your data to which location?
An Internet-hosted server
Maria, a technician, is troubleshooting an expansion card in a computer that allows the computer to receive faxes over a VoIP line. The line connected to the expansion card is *most* likely which of the following cable types?
CAT6
Which optical drive technology uses a 780 nm wavelength laser?
CD
Which of the following allows a processor to execute instructions and to read and write data at a higher speed than the regular RAM?
Cache memory
Which of the following allows the processor to execute instructions and to read and write data at a higher speed than the regular RAM?
Cache memory
Which of the following is feature of UDP?
Connectionless
Which of the following is an inappropriate criteria for selecting a power supply unit (PSU) for a computer?
Consider only multi-rail PSU, avoid single-rail PSU
Which of the following is used in laptops and SFF PCs?
SODIMM
Which of the following is the form factor of a standard Parallel connector?
DB-25
Which of the following memory modules is used if it s labeled as 4GB PC 1333?
DDR3
Which of the following is the possible cause for incorrect color patterns?
Data connections not connected securely
Susan needs to replace the CPU in her laptop computer. She has asked you for recommendations. What would you recommend she do before she begins the process?
Determine which processors the BIOS will support using the documentation
Which printer prints one character at a time?
Dot matrix
You are providing consulting services for a client who plans to purchase a large number of printers that can print multipart forms. Which printer type should you advise him to consider?
Dot matrix
Which of the following uses an algorithm to encode information into a block of bits?
ECC
Which type of mail service is a proprietary platform developed by Microsoft?
Exchange
You need to assemble a new computer. You have an AMD Opteron processor. Which of the following CPU sockets will NOT support this?
FM1
You need to find a motherboard for an Athlon X4 CPU. What kind of socket should you look for?
FM2+
Which performance feature of a webcam is responsible for producing smoother motion in a video?
FPS
Which of the following issues occur due to an incompatible display driver?
Flickering image
Which type of computer uses a multicore CPU?
Graphic design workstation
Which of the following is the *most* common device used to cool a CPU?
Heat Sink
Which of the following factors should be considered while selecting a power supply?
High efficiency rate
What error occurs when you replace a hard drive, optical drive, or other component with a similar component while the computer or device remains in operation?
Hot swap
A Wi-Fi connection often found in public areas that is usually access by logging on through a browser is also known as what?
Hotspot
Which of the following cloud computing types is used by government branches within the U.S>, but it is not available to consumers or businesses?
Hybrid
Which of the following is a form of microprocessor parallelization where each physical processor is treated as two virtual processors?
Hyper-threading
What component connects hard disk drives and optical drives ot the circuitry of the motherboard?
IDE connector
Which of the following is a BIOS level setting that allows an administrator to view warnings on possible hardware level changes?
IDS
According to the TCP/IP model, at which of the following layers is the routing of packets across multiple logical networks controlled?
Internet
What does BIOS do when a Plug and Play card is installed?
It consults the chipset to determine which system resources are available for the card and then configures the new device.
Which statement best describes the basic purpose of using a VPN?
It is used to create a secure connection to another network over the Internet
A Cold Cathode Fluorescent Light (CCFL) along with an inverter results in which condition for an LCD display compared to an LED display?
It will be heavier
Which I/O device allows you to share other USB peripheral devices among multiple computers?
KVM switch
Which of the following allows you to use one keyboard, mouse, and display device for multiple computers?
KVM switch
Authentication system protocol uses which of the following protocols that allows a client to access multiple network resources via a single sign-in?
Kerberos
Which of the following printers contains a duplexing assembly?
Laser
A network engineer wants to segment the network into multiple broadcast domains. Which of the following devices would allow for communication between the segments?
Layer 3 switch
Which of the following could cause both ink streaks on your printed output and a faded print output?
Low toner
Which network scope type is used to connect all or part of a city?
MAN
Which of the following is a small program that is read into memory and is executed after the BIOS bootup?
MBR
Traffic orginating over ports 161 and 162 would indicate which type of operation?
Monitoring a network device
Which input device can be used for entering data using gestures and gaming input?
Motion sensor
According to NIST, which element is *not* required by a cloud computing service?
Multi-core platforms
Which device is designed for only two devices to temporarily communicate over short distances and only one of the even needs to be powered?
NFC
Which type of wireless communication has a range of only a few inches and is often used by payment systems?
NFC
Which motherboard form factor supports mini-PCIe and laptop RAM slots?
Nano-ITX
Which of the following RAID levels uses disk striping across at least three drives and includes parity data?
RAID 5
Which of the following networking devices can send packets to the correct local area segment to take them to their destination?
Router
Which of the following allows you to allocate network-based disk arrays as though they were local storage?
SAN
Which is an interface protocol that is used to connect storage devices and other peripherals?
SCSI
A physical laptop memory chip usually comes in which format?
SODIMM
Which device takes video content and converts it to a format that can be viewed on a television?
Set top box
What happens at the exposing stage of the laser printing process?
The laser projects the image on the photosensitive drum
On a printer, which of the following issue is likely to occur if you do not set the paper guide to the correct paper size?
The printed paper will come out creased
You are replacing several laptop components to upgrade a customer's laptop computer. Which device ALWAYS involves the detaching and reattaching of antenna connectors?
The wireless card
Which of the following describes the amount of traffic that can be passed through the network in a given time?
Throughput
The ExpressCard technology is replaced by which of the following interface?
Thunderbolt
Which o the following expansion ports would be used to enable transfer of power, data, and video to peripheral devices on an apple computer?
Thunderbolt
What is the cause for the frozen system?
Too many apps running at once time
Which device would be considered an input and an output device?
Touch Screen
A build-up of toner on the fuser rollers can cause the toner to not fuse properly to the paper. True or False?
True
Which is an international standard designed to secure hardware by integrating encryption keys into devices?
Trusted Platform Module
Which of the following reduces crosstalk when the sets of wires are very close together within a single cable?
Twisted-pair cable
You need a total of 8 MB of memory in your computer, which accepts 8 MB dual-channel modules in each four slots. Which of the following memory installation options will you *not* accept to accomplish the task?
Two 2 MB modules and one 4 MB module
Which of the following uses the SCSI command set over a USB connector?
UAS
Which physical interface standard is used to connect up to 127 peripheral devices to a computer?
USB
Which synchronization connection type would be both fastest and most secure?
USB
You need to synchronize your mobile device data with your desktop computer. For security reasons, your organizations prohibits syncing devices over wireless connections or the Internet. Which connection(s) could you use to perform the synchronization?
USB
Which of the following is a small five-pin connector used for mobile devices?
USB Mini B
A __________ is created and managed through an IIS web-based interface or through a Windows client application tool called VMRCplus
Virtual machine
Which Wi-Fi encryption standard encrypts traffic using Temporal Key Integrity Protocol? (TKIP)
WPA
Which of the following is used to communicate to an external authentication server, usually RADIUS-based, with a username and password?
WPA-Enterprise
Which of the following is the strongest wireless encryption standards?
WPA2-AES
Which of the following is an example of hosted hypervisors?
Windows Virtual PC
Which of the following expansion card types provides the interface necessary for remote communications,such as internet over mobile phone?
Wireless
Which device helps to manage the thin APs and allow them to share configuration data?
Wireless LAN controller
Which of the following cards has the capacity more than 2 TiB?
XQD
Which technology supports throughput up to 40 kbps over distances of 10-100m?
Z-Wave
Which technology uses a variety of ISM bands, with 2.4 GHz and 915 MHz bands?
Zigbee
Daniel is a subscriber to your company's online tech forum and is complaining that he can no longer access it, although no other subscribers have called. You have no problem connecting to the tech forum. What would you tell Daniel to do?
check his Ethernet connection
In the given URL, which of the following represents a top-level domain? "http://www.ucertify.com
com
Which of the following addresses is equivalent to fe80.000:0000:0000:c249:3765:00c0:9b22?
fe80::c249:3765:c0:9b22
A program which stores information to boot and access basic hardware and is stored in ROM is known as a:
firmware
What do you call a small circuit board placed internally in a laptop computers that use only direct current?
Screen inverter
Which component on the optical drive represents the smallest addressable unit of a hard disk?
Sector
Which Wi-Fi standards can be accessed using a mini PCI wireless adapter?
-802.11g -802.11b
Which of the following protocols work at the Network Interface layer of the TCP/IP model?
-NDP -ARP
Which of the following are features of a firewall?
-Protects systems from malware and spyware -Filters inbound and outbound communication -Enables or disables port security on certain ports
Requests over port 445 could be described as using which protocols?
-SMB -CIFS
Your computer has been operating without problems for some time, but on your most recent startup, nothing appears on the monitor screen. The lights for the keyboard, floppy drive, and hard disk flash at startup. Your computer has an American Megatrends, Inc. (AMI) BIOS program, and the computer generates one long beep followed by eight short beeps at startup. Which item is likely to be defective?
The video card
Which printing technology uses ribbon printer cartridges containing waxy ink?
Thermal transfer printing
Andrew works for a local firm's help desk and is getting complaints that employees cannot access the company's intranet site. What is the first tool he should use?
ping
Which email domain names would not be associated with an Apple iCloud account?
What is the transfer rate of the DDR4 2400?
19.2 GB/sec
By default, how much power is drawn from a motherboard through a PCIe expansion slot
75 watts
Which Wi-Fi standard uses MIMO and wider 40 MHz channels via channel bonding to boost speed?
802.11n
When the inkjet cartridge nozzles become misaligned to each other and to the paper, it is noticed that fuzzy lines or images stop before they should. Which of the following process will resolve the problem?
Calibration
Which of the following cable types is used to connect a cable modem to a SOHO router?
Ethernet
Which video interface can carry both video and audio information?
HDMI
Which of the following helps you track your stolen phone?
IMEI
A PC with its connected Bluetooth devices, is an example of which of the following?
PAN
Which cloud service model is used to develop applications for the customer to offer as their own Internet service?
PaaS
Which of the following uses small cells filled with noble gases and phosphors to create color?
Plasma
Which component of the mobile communications process is responsible for storing user information and for identifying a device on the network?
SIM card
Which basic mail function does S/MIME provide?
Securing mail
Port number 445 is assigned to which of the following protocols?
Server Message Block
The process of sharing an Internet connection from a mobile phone to a laptop over a USB cable is also known as what?
Tethering
You have begun the process of replacing the CPU in your computer by physically installing the CPU. You must ensure that the motherboard recognizes the new CPU. What should you do first?
Update the firmware
If a web page is requested over port 443 which prefix would you expect to see in the address bar of your browser?
https
Which options are components of the SLP protocol?
-User Agents -Service Agents
Which of the following is a non-routable address?
0.0.0.0
You are an IT technician for your company. The company has 10BaseT, 100BaseT, and 1000BaseT networks that are interconnected. What is the maximum segment distance for data transmission on these networks?
100 meters (328 feet)
Which IPv4 address is reserved for the APIPA address?
169.254.0.0/16
Which IP address is used by Class B private networks?
172.16.0.0
Which band is the most widely used Wi-FI range having good indoor penetration and up to 14 channels?
2.4 GHz ISM band
Over which port would an outgoing e-mail be sent?
25
What is the internet connection speed of the broaband cable?
384Kbps - 400 Mbps
Which power connector supplies more power to the CPU than an ATX 12V 4-pin connector?
8-pin 12V EPS
An 800W PSU with an 80% efficiency rating can deliver what amount of power supply to the components of a computer?
800W
Which application uses port 3389 by default?
A remote desktop connection
You suspect that an uninterruptible power supply (UPS) is malfunctioning. You need to test the output from the UPS using a multimeter. Which multimeter setting should you use?
AC Voltage
Which expansion slot resides on the motherboard of a computer and is used for connecting a video card to it?
AGP slot
Which wireless technology is used for connecting to other devices and accessories?
ANT+
Which technology is used for showing patient's data to a surgeon?
AR
Which of the following is *not* a system requirement for running Microsoft Hyper-V?
At least 8GB of physical memory
Which input device is used to read a group of thick and thin lines printed on various products?
Barcode reader
You need to ensure that the GSM and 3g phone information for your Android phone is updated. Which type of update would you perform?
Baseband update
A manager in your company has read about the memory effect and notebook computers. You are explaining to him how the memory effect works. Which component is affected by memory effect?
Battery
Which of the following resources is available in a standard format that allows and promotes use from a wide variety of client platforms?
Broad network access
You are responsible for performing routine maintenance on your company's laser printers. Which of the following routine maintenance does NOT require that you disconnect the laser printer from its power source?
Calibrating the printer
A customer wants to transfer data from a DVR to a DVD. Which of the following should be used on the workstation in order to extract the data for archiving?
Capture card
Which of the following is used for Fast Ethernet and Gigabit Ethernet networks and also used for telephone and video?
Cat 5
A user has requested that you order a transfer belt for this department's printer. Which printer uses this component duri2ng the image transfer process?
Color laser printer
Which type of operation is usually performed by a digitizer?
Converting free-drawn images on a screen to ones and zeros
Jennifer prints a document by using a laser printer. She finds that the printed paper has a series of black spots at regular interval.s What is the *most* likely cause of the issue?
Dirty fuser roller
Which of the following CPU characteristics allows the processor to classify and separate memory areas where application code can and cannot execute?
EDB
Which of the following components of the laser printer carries an electrical charge that attracts the toner?
EP drum
Which of these is *not* a component of a home theater computer?
High-end video GPU
Which of the following custom configurations needs to support media streaming?
Home server PC
Which o the following custom configurations has a chassis with the smallest dimensions?
Home theatre PC
Which of the following is used to monitor and analyze network traffic to protect a system from network-based threats?
NiDS
Which of the following cloud computing types serves only a single user or organization?
Private
Which RG standard is used for long distance drops and underground cables?
RG-11
Which cable standard is used by 10BASE5 "Thicknet" Ethernet?
RG-8
Which protocol is used to remotely manage and monitor network devices like routers and switches?
SNMP
The NetBIOS protocol would be be best suited to which type of request?
Searching for a file on FileServer1
Which of the following is the best solution to the attenuation problem?
Segment the long cable with repeaters
Steven's computer includes a hard drive that connects to the computer's motherboard using a 7-wire cable with a single interface. Which hard drive interface is used by Steven's disk drive?
Serial ATA
Signing into a blogging website by using your Facebook credentials would be an example of which process?
Single Sign-on (SSO)
Your organization is encouraging all users that have been issued corporately owned iPhones to put the phones in Airplane Mode when the battery is running low. Which of the following is NOT disabled when an iPhone is placed in Airplane Mode?
Siri
A user has recently moved to the United States from the United Kingdom. He contacts you asking how to switch his desktop computer to the appropriate voltage. What should you tell him to do?
Slide the voltage switch on the side of the power supply to the appropriate voltage
You administer computers on a Microsoft Windows 2003 TCP/IP network. On the network, you want to use a domain name-to-Internet Protocol (IP) address name resolution system that provides a central database on a server to resolve domain names to IP addresses. Which options should you implement on your network?
The Domain Name System (DNS)
An NTFS folder named Research is backed up on a regular basis. You restore the folder onto another hard drive but notice that the file permissions were not restored. What is the MOST likely reason this happened?
The files were restored on a FAT partition
You have installed Windows 10 on a laptop. After installing Windows 10, the keyboard is no longer functional, but the mouse is working. You need to fix this issue. What should you do?
Uninstall the older keyboard drivers
You are given a network with two public IP addresses and several hundred internal private IP addresses. You are also told that one of the internal addresses belong to a web server. You are asked to implement a translation scheme where all internal users will be able to access the Internet while Internet users will also be able to access the web server. Which of the following combination of features would you use for this implementation?
-1 to 1 static NAT mapping for the web server and 1 to many PAT mappigns for the internal users
You have purchased a program that requires a joystick. Which of these types of computer ports could allow you to attach a joystick?
-A DA-15 port -A USB port
Which operating systems would not support installing a synchronization application such as iTunes?
-MAC OS X 10.4 (Tiger) -MAC OS X 10.5 (Leopard -Windows XP
Ethernet over power can sometimes be used as an alternative to which networking implementation?
-Wi-Fi
Which of the following stops all processes and shuts the system down without warning?
Blue Screen of Death (BSOD)
Which input device is used to convert hand-drawn pictures into digital images that can be manipulated using computer software?
Digitizer
Which email account type allows you to download messages to your client for offline browsing?
IMAP
Which connector type is used with USB on-the-go devices such as cellphones, GPS units, PDAs, and digital cameras?
Micro USB A
Which resource sharing protocol allows folders or hard drives to be shared over a network?
SMB
Which of the following tests will you perform to analyze errors that occurs during the boot process?
Startup
Your company implements a new policy that all computers must use drive-level encryption for security. You want to enhance the security provided by BitLocker. What should you enable?
TPM
A user named Brad calls and reports that he is unable to connect to a file server on your 100BaseT network, although he is able to connect to folders on other computers. A single hub exists on the network. Which hardware problem should you investigate?
-A defective hub port -A defective NIC in the file sever
You are using Internet Explorer to access an FTP server on the Internet. When you attempt to connect, you get the following error: "Windows cannot access this folder. Make sure you typed the file name correctly and that you have consent to access to the folder. The operation timed out." What could be the probable cause?
-A firewall on the network is preventing access -The Enable folder view for FTP sites option is enabled in Internet Explorer
In a default Windows installation, if a built-in microphone is not working on a laptop that has Windows 10, what could be the possible resolution?
-Adjust the audio settings in Windows -Update the microphone drivers -Configure the allow apps to access microphone settings in Windows
You connect a desktop to a wall socket and attempt to power it on. However, the desktop is not powering on. What is the first thing that you should check?
-Check the wall socket with a tester
You are troubleshooting a laser printer problem where faint images of previously printed pages are appearing on the current page. Which two components are the most likely cause of this problem?
-Cleaning blade -Discharge lamp
A user needs to transport a 1,100 MB file. Which media types could be used?
-DVD+R -DDS-3
A department manager reports that one of her department's printers is printing fuzzy or low-quality print. Which conditions contribute to this problem?
-Damp paper -High humidity
Which of the following are the *best* features to include in a Home Theater PC?
-Digital audio -HDMI output
Which of the following characteristics are generally found on a docking station that port replicators do not offer?
-Docks have independent hardware -Docks contain internal expansion ports
If you are using an impact printer, which of the following type of paper, you are likely to use?
-Dot matrix paper -Labels -Impact paper -Continuous feed -Pin-feed
Which of the following features are incorporated in USB 3.0 technology?
-Enhanced power efficiency -Backward compatibility with USB 2.0 and 1.1 -Two unidirectional data paths
You are troubleshooting a problem with a computer. After analyzing the problem, you determine a possible cause of the problem. You test your theory, but determine that the theory is not correct. Which two steps could you take next?
-Escalate the problem -Establish a new theory
Which statements best describe the difference between a hub and a bridge?
-Hubs send incoming data out over all other ports, bridges do not -Hubs come in Active and Passive varieties, bridges do not -Hubs operate at Layer 1 of the OSI model, bridges operate at Layer 2
Which of the following can be reasons for low Wi-Fi signals?
-Incorrect configuration of the receiving device -Older wireless router or access points -Lack of power from the wireless access point -Interference from other devices
Your company has decided to implement a wireless network. The wireless network users must be able to connect to resources on your internal network, including file, print, and DHCP services. Which options should you implement?
-Infrastructure mode -A wireless access point
Which statements are correct about the IMEI value of a mobile device?
-It identifies the physical device itself -Every IMEI number is unique to each device
Which of the following applications are cloud-based and are specifically designed for mobile phone or tablets?
-NetSuite -Salesforce -Dropbox -Sugar Sync
Your laptop computer, which typically draws 2 amperes (amps) under normal usage, has a rechargeable nickel-cadmium (NiCad) battery that provides 150 minutes of battery power. lately, the laptop runs out of power after only 30 minutes of use. Which actions should you take to extend the time your computer can operate on battery power?
-Perform several cycles of discharging and recharging the battery -Clean the battery terminals
Audrey travels for business three to four days a wekk and is not always near power outlets. She needs a solution for when her laptop battery dies. What would you recommend she do?
-Purchase a portable battery bank made to charge laptops -Purchase an extra laptop battery
John, a customer, needs to run several virtual machines on his design workstation to work on cross platform software. Which of the following should be maximized to improve workstation performance?
-RAM -Number of CPU cores
Andrew, a network administrator, wants to use network-based operating system administration tools to manage the network. Which of the following tools will he use?
-RDP -VNC
The proxy server is becoming unresponsive occasionally. when you review the logs of various network devices, you also notice that the firewall is also the target of external attack. You need to prevent such incidents from re-occurring. What are some of the steps that you can immediately take to prevent this from happening?
-Reconfigure the firewall ACL -Harden the proxy server
Which of the following configuration will largely define the orientation of a document that you are likely to print?
-Settings in the printer properties -Settings in the printer command properties -Software that is being used for printing the document
You get a ghost cursor on your laptop screen. Which of the following methods can help you resolve this issue?
-Slow down mouse acceleration -Use a large mouse pointer -Disable the touchpad and use an external mouse -Update the touchpad device drivers
Beverly has contacted you and stating that her computer will not boot and keeps beeping. Which components must pass a computer's power-on self-test (POST) before an operating system will load?
-The video card -The central processing unit (CPU) -The memory
Which characteristics of a cable modem distinguish it from other modems?
-They are always on -They use cable TV lines
Which characteristics of a swtich can be advantageous to network deployment?
-They improve network performance by regulating the flow of traffic -They increase network performance by reducing collisions
In an impact printer, which of the following components can cause paper not feeding correctly?
-Tractor-feed mechanism -Feeder rollers
You want to transfer an audio file from your mobile device to your friend's mobile device using the bluetooth feature. Which of the following steps will you perform before entering the device passcode?
-Turn on the Bluetooth device -Locate and select the Bluetooth device
Your printer is printing fuzzy text with white lines running through it. you need to clean the clogged print head of your inkjet printer. Which two activities can you undertake to immediately clean the clogged print head?
-Turn the inkjet printer off and then on -Run the printer management utility provided with the printer
PLAB Inc. uses a wireless network that has recently been breached. An attacker connected to the wireless network after gaining access to its password. The security administrator wants to ensure that the wireless network is secured with the available methods. Which of the following procedures should the security administrator implement?
-Use WPA2-Enterprise -Disable the SSID broadcast -Activate MAC filtering -Lower the radio transmission strength
You want to transfer data from one device to another within the operational range of about 10 meters. Which of the following wireless connection methods will you use?
-Wi-Fi -Bluetooth
Repeaters and extenders for both wired and wireless networks operate at which layer of the OSI model?
1
What is the approximate maximum transmission range of Bluetooth communications?
10 meters (30 feet)
You need to set up a network that needs to span multiple buildings. For this reason, you want to use the cabling that supports the longest maximum cable length. Which network topology provides this?
10BaseF
What is the capacity of a Blu-ray BD-XL quadruple-layer optical disc?
128 GB
Which connector type is the largest connector on a power supply unit (PSU) that supplies power to the motherboard?
24-pin ATX
What is the subnet mask of the address 144.201.5.32?
255.255.0.0
What is the default subnet mask for IP address 196.132.74.10?
255.255.255.0
You are assessing several computers to decide on a purchase for your company. Which CPU-to-front-side bus ratio would provide better performance?
2:1
Which of the following is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?
30
Which Wi-Fi standard supports speeds up to 54MBps over the 2.4 GHz band?
802.11g
What is a preferred roaming list (PRL)?
A type of setting that enables the device to connect to specific cell towers
Game pads are often connected to a laptop or desktop by which method?
Bluetooth
Which part of optical fiber strengthens and protects the fiber itself but does not affect its optical properties?
Buffer
You perform several hardware upgrades on a user's computer. You notice that the computer has an AMI BIOS. After completing the upgrades, you boot the computer. You hear seven short beeps. Which component should you check?
CPU
You are responsible for performing all routine maintenance on your company's thermal printers. Which of the following is NOT part of routine maintenance for these printers?
Calibrating the printer
Which twisted pair category is suitable for new Gigabit Ethernet installations, and short distance 10 Gigabit Ethernet networks?
Cat 6
You are setting up a new subnetwork on an existing network. Management has asked that you use existing cabling that the company has already purchased. However, you need to ensure that the cabling can be used on a 10BaseT network. What is the minimum category of UTP cable you can use?
Category 3
The primary hard drive in your Windows computer has failed. You purchase a new hard drive and install it in your computer. What should you do first?
Change the hard drive configuration settings in the computer's BIOS
A user is having trouble moving and opening icons with a finger on a tablet. A technician has checked the preferences and configured the speed and sensitivity, however, the problem remains. Which of the following actions should the technician advise the user to take?
Clean the screen
You pass a paper through a printer but nothing gets printed and printer leaves the blank page. Which of the following is the *most* likely cause?
Clogged nozzle
You work as an IT director for a company. Your company has various partners and you want to share common information with them using the cloud without compromising security. Which type of cloud model will you use?
Community
Which component of the optical fiber is made of the silica glass and is far more transparent than an ordinary consumer glass?
Core
Which technology caries data as a secondary signal on analog phone lines?
DSL
Which DVI is an 18-pin connector designed to carry both digital and analog signals allowing for one TMDS link?
DVI-I Single-LInk
In the laser printing process, at which stage does the drum pass by an evolving roller covered in toner?
Developing
Your company has a wireless network for its small office network. The wireless network does not broadcast its service set identifier (SSID). You configure a user's Windows Vista computer to connect to the wireless network by manually setting the SSID. You need to ensure that the user's computer does not send probe requests to discover if the wireless network is in range. What should you do?
Ensure the Connect even if the network is not broadcasting option on the Connections tab of the wireless connection is cleared.
James, a network administrator, is testing a new web server from outside of the corporate firewall. He performs a test from a single PC and the web server responds accordingly. He then provisions several virtual machines on a network behind NAT and uses them to perform the same operation on the web server at the same time, but thereafter soon discovers that none of the machines can reach the web server. Which of the following could be responsible?
Firewall
You notice that the pages coming out of your laser printer have toner that you can brush off. Which printer component is MOST likely causing the problem?
Fuser assembly
Which of the following allows the CPU to directly control displays, provided the motherboard has a display port?
GPU
Which of the following devices require at least 8GB of RAM, high end multi-core CPU, and substantial cooling system?
Gaming computer
Which network infrastructure device enables the traffic to flow in and out of the network?
Gateway
What feature of the smartphone/tablet enables automatic screen rotation and exercise step counters?
Gyroscope
Which display connection interface should you select for connecting a set-top box, to get the best picture quality?
HDMI
Which of the following supports all existing high-definition video formats along with enhanced definition format and standard definition formats?
HDMI
Which technology supports data rates up to 84Mbps downstream and 22Mbps upstream using MIMO transmission?
HSPA+
What type of test do you perform on a laser printer to determine if a print issue is occurring before or after the fusing process?
Half-way test
Smith, a network administrator, is having an issue of loss in signal strength after a certain point in the company's local network infrastructure. There are more than one devices to which the same signal needs to be transmitted. Which of the following devices should the network administrator most likely use to resolve the problem?
Hub
Which networking device lets you connect multiple nodes in a star configuration?
Hub
An IT vendor gives a technician the following address on a support call: 192.168.15.2/32. Which of the following *best* describes the address provided by the vendor?
IPV4 address in CIDR format
You have both UTP and STP cable available to set up a new subnetwork on an existing network. What is the main difference in the physical composition of these two cable types?
Mesh shielding
What type of memory card is the smallest in terms of physical size?
Micro-SD
Which device converts sound waves into varying electrical signals?
Microphone
You are teaching a class on computer hardware to new IT technicians. You are discussing the component on an Advanced Technology eXtended (ATX) motherboard that supports communication between the central processing unit (CPU) and random access memory (RAM). Which component provides this functionality?
Northbridge chip
CD, CD-R, and CD-RW are examples objects that would be used with which type of input device?
Optical Drive
You need to replace a computer's power supply. When you purchase the new power supply, you notice an 8-pin power connection. For which device type is this connection intended?
PCI Express device
You need to replace a computer's power supply. When you purchase the new power supply, you notice an 8-pin power connection. For which device type is this connection intendd?
PCI Express devices
Which update typically contains a list of which frequencies are used in different geographic regions and help to ensure that a mobile device connects to the proper tower?
PRL
Which LCD display technology uses a grid of horizontal and vertical wires with an LCD element at each intersection?
Passive matrix
Which CPU cooling method should you implement when other convective methods will not work?
Peltier cooling
3D printer uses which technology to replicate the model created using AutoCAD?
Photopolymerization
You clear a paper jam from the tray in a laser printer. However, the printer still indicates a jam. What step should you perform next?
Physically open and close the top assembly.
Which display device uses noble gases and phosphors to create color and when electrical current is applied to the gas then a tiny bit of charged gas illuminates a pixel on the screen?
Plasma
You have purchased a new 20-pin power supply to replace one that failed. However, the motherboard only has a 24-pin connector. What should you do?
Plug the 20-pin power supply into the motherboard, leaving pins 11, 12, 23, and 24 on the motherboard unconnected
Jennifer, a network administrator, wants to block external SSH connections from reaching internal machines. Which of the following ports should she block on the firewall?
Port 22
Many device issues such as slow performance, "stuck" applications, or non-functioning features can be solved by:
Powering down and restarting the device
Which service should you stop and restart if you are having difficulty clearing a print job stuck in a print queue?
Print Spooler
You purchased a direct connection network printer. You attached the network cable to your router and turned on the printer. You have been able to print successfully to the printer for several months, but all of a sudden you receive an error that the printer is offline. Which of the following could be the cause?
Printer doesn't have a static IP address
Which tool uses a spring-loaded blade to push the wire in place, pierce the insulation, and cut excess length in a single motion?
Punch down tool
A user needs a drive system that offers redundancy while providing the fastest read/write speeds possible. Which of the following RAID configurations should a technician configure in the user's workstation?
RAID 10
Which of the following is a necessary requirement for a network attached storage (NAS) device?
RAID array with data redundancy features
Which peripheral device is used for wired analog telephone service and for dial-up modem connections on computers?
RJ-11
Which is a low-speed serial connector found on old PCs which is used for mice, external modem,s and various other devices?
RS-232
Which wireless technology allows identification and communication between nodes using electromagnetic fields?
Radio frequency identification
Which of the following has the ability to quickly increase or decrease the amount of resources required from a cloud service provider?
Rapid elasticity
You are troubleshooting a problem with a Windows computer. When you boot up the computer, you hear the hard disks start, the computer beeps once, and everything appears normal except the display. The display is blank. You confirm that the monitor's power switch is on and the monitor is plugged in. What should you do next to troubleshoot this problem?
Replace the monitor
After you start your computer, you hear an unusual, high-pitched noise. The source of the noise is the fan mounted inside the power supply. After a few minutes, the noise goes away. Which action should you take?
Replace the power supply.
A user from the accounting department has contacted you regarding problems with a dot matrix printer. When you examine the output from the printer, several letters have missing dots from the page. What should you do?
Replace the print head
Last month, you installed a laser printer for your organization. The printer has been working properly since it was installed. Recently, you noticed that the laser printer is printing blank documents with no text or images. What should you do first?
Replace the toner cartridge
You are a desktop engineer for Verigon Corporation. Gloria requires a PCI network interface card and a PCI sound card installed in her computer. Her computer has three PCI slots, two of which contain the video card and the modem, respectively. Which card should you use to attach bot the PcI network interface card and sound card to the computer?
Riser card
A host with an IP address of 15.0.0.126/25 needs to transfer data to a host with an IP address of 15.0.0.129/25. Which of the following devices will be required for this purpose?
Router
Which of the following verifies an operating system's boot loader is electronically signed by the vendor before it loads?
Secure boot
You have replaced the memory in a laptop computer. What would cause the reported memory to be lower than the actual physical memory?
Shared video memory
Which component of the motherboard manages input/output (I/O) interfaces for a computer such as PCI, PCIe, USB, serial, and IDE?
Southbridge chip
Which OLED display layer acts as the structural framework?
Substrate
Susan called the help desk to ask about which type of BIOS password she should configure to restrict access to the BIOS setup program. Which password type would you explain?
Supervisor password
Which touch screen technology uses a glass panel with a receiving and a sending transducer along the sides of the panel?
Surface acoustic wave
James, a technician, needs to extend the organization's remote access functionality to be used by staff while traveling. He needs to maintain separate access control functionalities for internal, external, and VoIP services. Which o the following represents the *best* access technology for him to use?
TACACS+
You are performing some hardware upgrades on an old computer. You notice that the computer has an available Peripheral Component Interconnect (PCI) slot. Which statement is an accurate characterization of the architecture?
The PCI architecture supports 32- and 64-bit data transfers
John, a technician, is trying to connect to another computer on the LAN remotely but the connection fails. He opens the command prompt and types "telnet computername 3389" but gets the same error message again. Which of the following is the *most* likely cause of this error, assuming that the OS firewall has been disabled?
The RDP connection has been configured to use a non-standard port
You need to remove several devices from a computer. For which type of device should you use the Safely Remove Hardware icon to stop the device's operation before removing it from the computer?
USB flash drive
You are teaching a one-week computer repair class. early Monday morning, you discover that a student from the previous week protected his computer with a BIOS startup password, and you are unable to contact the student to obtain the password. This week's class starts in one hour, and all seats are taken. What should you do to make the computer available to a student in this week's class?
Use a system board jumper
