CompTIA A+ 1001 textbook practice questions
What are the output voltages that have been commonly produced by PC power supplies over the years? (Choose five.)
+3.3VDC, +5VDC, -5VDC, +12VDC, -12VDC
CHAPTER 5 START. Which voltage is applied to the paper to transfer the toner to the paper in an EP process laser printer?
+600VDC
What voltage does the corona wire or corona roller hold?
+600VDC
Which of the following IP addresses would not be valid for a DNS server on the Internet?
10.25.11.33
Which Ethernet specification would you be running if you needed to make a connection of 10 Gbps over a distance of 5 kilometers?
10GBaseER
You are installing a new video card into a PCIe slot. What is the combined total throughput of a PCIe 2.0 x16 slot?
16 GBps
You are training new technicians to install RAM and pointing out differences between packages. Which of the following are the numbers of pins that can be found on DIMM modules used in desktop motherboards? (Choose two.)
184, 240
You are told by a technician over the phone that you need to bring replacement DDR SDRAM memory. What type of packaging is used for DDR SDRAM memory?
184-pin DIMM
Which of the following resolutions is an example of a 16:10 aspect ratio?
1920 × 1200
Which of the following are valid examples of IPv6 addresses? (Choose all that apply.)
2001:0db8:3c4d:0012:0000:0000:1234:56ab, ::ffff:c0a8:173, 2001:db8:3c4d:12::1234:56ab
On which port does FTP run by default?
21
You have been asked to configure a full mesh network with seven computers. How many connections will this require?
21
You are installing a new hard drive and want to know if the operating system will be able to support it. What is the largest NTFS volume size supported, assuming a 64 KB cluster size as maximum?
256 TB
Your laptop has 4 GB of installed memory and uses shared video memory. If the video card is using 512 MB, how much is left for the rest of the system?
3.5 GB
What port does the RDP protocol work on?
389
You are attaching an external hard drive to a computer with USB 2.0 ports. The user is concerned about data transfer speed. What is the maximum speed of USB 2.0?
480 Mbps
Transmitting at 10 Gbps, how far can signals on an MMF cable travel?
550 meters
What is the data throughput provided by one ISDN bearer channel?
64 Kbps
A network cable for a crucial server has failed. There are no pre-made Ethernet cables available, but there is bulk cable and connectors. Which tool do you need to use to make a new cable?
A
A technician is configuring a mobile client to use email through an ISP. Which port number should he configure to use SMTP?
A
A user complains of smoke and a foul odor coming from his desktop computer, so he shut it down. Which component is most likely causing the problem?
A
A user complains that his mouse cursor randomly jumps to different places on the screen when he types. Which device might you want to disable to prevent this from happening?
A
A user has requested a laptop memory upgrade. The technician attempts to put in new memory, but the memory module is barely too wide for the slot. What is the most likely scenario?
A
A user tells you that his Android phone case is bulging, and the device has been hot to the touch lately. You suspect a swollen battery. Which of the following is a good next step?
A
A user wants to attempt to ensure that their boss can't see where they are, based on tracking their iPhone. Which option should they disable?
A
Multi-touch refers to which feature of a touch screen device?
A
When configuring a DNS server, administrators must create which of the following?
A
Which of the following is the operating system used by Apple Watch?
A
Which of the following most accurately describes what an IMEI is?
A
Which type of server is responsible for preventing users from accessing websites with objectionable content?
A
You are setting up a small office network for a client. Which Internet service would you recommend to provide the best speed?
A
You are sitting in a coffee shop and using the public wireless network. You suddenly notice suspicious activity on your laptop. Which laptop feature should you use?
A
You have a mobile touch screen device with a screen size of 11″. What is the most likely classification of this device?
A
You have a user who needs to keep desktop devices such as keyboard, monitor, and mouse permanently connected so that they can be used by an attached laptop. What type of device do you recommend that they use?
A
You have an inkjet printer. Recently, papers are being printed with excessive amounts of ink, and the ink is smearing. What is the most likely cause of the problem?
A
You have been asked to identify the right type of cloud service to help the team of developers to provide programming elements such as runtime environments. Which service do you recommend?
A
You have been asked to set up client-side virtualization on a computer at work. The manager asks for a Type 2 hypervisor. What is the disadvantage of using that type of hypervisor?
A
You have been troubleshooting a laptop for an hour and have established a theory of probable cause for the problem. What is the next step you should take?
A
You have fixed a printer problem and verified full functionality. What is the next step to take in the best practice methodology?
A
You turn on a desktop computer and it fails to boot. You hear a rhythmic ticking coming from inside the case. What is most likely the problem?
A
Your laser printer keeps printing vertical black lines on its output pages. What is the most likely cause of the problem?
A
Robin has been asked to lead training for new technicians at a local PC distributor specializing in gaming PCs. For which one of the following should she not recommend upgraded parts?
A RAID array
Which of the following uses would not require a custom configuration for a PC?
A computer running Windows 10 with 1 TB of data and 250 GB of applications installed
Which of the following descriptions most closely matches that of a thin client?
A dumb terminal with a NIC
Which of the following statements are not associated with a star network? (Choose all that apply.)
A single cable break can cause complete network disruption. It uses a single backbone computer to connect all network devices. It uses a dual-ring configuration.
CHAPTER 14 START. If the video on your laptop is not working, what should you do to troubleshoot it? (Choose two.)
A,B
In a mobile device, which of the following are examples of RTOSs? (Choose two.)
A,B
You are training a class of new technicians on troubleshooting motherboard issues. Which of the following are issues most likely caused by a failing CMOS battery? (Choose two.)
A,B
You have just installed a wireless router on your home network. Which of the following should you do to make it highly secure? (Choose all that apply.)
A,B
You need to replace an LCD on a defective laptop. Which of the following are components of an LCD? (Choose all that apply.)
A,B
A computer using which of the following would be considered a legacy device? (Choose all that apply.)
A,B,C
When you turn on a desktop computer, you hear a loud squealing noise coming from inside the case. Which components are potential culprits for making the noise? (Choose all that apply.)
A,B,C
Which of the following are disabled when airplane mode is switched on? (Choose all that apply.)
A,B,C
A user pushes the power button on her desktop computer but nothing happens. She double-checks that it is plugged in and that the wall outlet is working properly. Which components are most likely to cause this problem? (Choose two.)
A,C
Which of the following are features that allow 802.11ac to achieve higher data throughput? (Choose two.)
A,C
Which of the following are services that a print server should provide? (Choose two.)
A,C
You are setting up a wireless network. Which wireless standards would give the users over 40 Mbps throughput? (Choose all that apply.)
A,C,D
You are identifying the problem while troubleshooting a network issue. Which of the following are proper steps to help identify the problem? (Choose all that apply.)
A,C,E
Besides 802.11 standards, which wireless communication methods work in the 2.4 GHz range? (Choose all that apply.)
A,E
Which of the following system types do not require a CPU enhancement of any sort? (Choose all that apply.)
A/V editing workstation, Gaming PC Graphic design workstation
Of the following voltage pairings, which one accurately represents the input and output, respectively, of power supplies and AC adapters?
AC in, DC out
You are replacing a motherboard in a computer that uses an AMD Ryzen 3 processor. Which CPU socket type do you need to ensure that the motherboard has?
AM4
Which of the following protocols is responsible for resolving IP addresses to hardware addresses?
ARP
What are two advantages that TCP has over UDP? (Choose two.)
Acknowledged delivery, Virtual circuits
Which service was created by Apple to allow iPhones and iPads to print without installing printer drivers?
AirPrint
What happens during the developing stage of laser printing?
An electrostatic charge is applied to the drum to attract toner particles.
VGA cables use what type of signal between the adapter and monitor?
Analog
You are installing a replacement monitor on a desktop computer. Which of the following is true regarding a monitor's refresh rate?
As you lower the resolution, the maximum refresh rate allowed tends to increase.
A field technician reports back that the computer she is troubleshooting has exposed distended capacitors. Which component has most likely failed?
B
A firewall operates by using a set of rules known as what?
B
A mobile user is having cellular connectivity problems when roaming but not when near his home. He is told by his carrier that he needs to update his settings. Which of the following settings does he most likely need to update?
B
Apps for Android-based smartphones and tablets can be downloaded from which store?
B
CHAPTER 9 START. Your company hosts its own web server, and it allows consumers to make purchases via the server. The help line has been getting complaints that users are unable to access the secure portion of the website. You open the site and it seems fine, although the secure portion where transactions are completed is inaccessible. What is the most likely cause?
B
One of the users on your network needs to travel, and she wants to work on the airplane. Which laptop accessory will allow her to power her laptop from the airplane?
B
One of your friends wants to play a console-based game on her tablet. What type of accessory would you most recommend she connect and configure to help the experience?
B
One of your network users has an older laptop with no Bluetooth support. He recently received a Bluetooth headset that he needs to use with his laptop. What is the quickest and cheapest way to make the headset compatible with his laptop?
B
The display on your laptop appears warped and fuzzy. You plug in an external monitor, and the image on it is fine. What is the most likely cause of the problem?
B
Users are complaining that their print jobs are not printing. You open the print queue and see 50 jobs lined up. The printer is connected properly and online. What should you do?
B
What does a DHCP server need to be configured with to operate properly?
B
What is the number of active satellites used by GPS?
B
Which iPhone version introduced the Lightning connector?
B
Which of the following is not a requirement for installing iTunes on a Windows machine?
B
Which of the following security standards was the first to introduce a dynamic 128-bit per-packet security key?
B
Which of the following statements about configuring email access on a mobile device is true?
B
Which of the following technologies can operate in the 125 kHz to 134 kHz range?
B
While troubleshooting a client computer, you decide to obtain a new IP address from the DHCP server. After releasing the existing address, which command do you use to get new IP information from the DHCP server?
B
You are enabling email on a mobile client. Which of the following is not a standard integrated commercial provider for email?
B
You are having problems with the video card in one of your computers. Where could you check for troubleshooting information?
B
You are looking for configuration information for a smartphone. Which code identifies the specific mobile user and their network?
B
You are setting up a cloud contract with a provider. Your team needs the ability to increase capacity without intervention from the provider. What do you request?
B
You are using the best practice methodology to troubleshoot a video problem. During which step should you question the obvious?
B
You believe that a network card is beginning to fail. Which of the following tools should you use to see if the network card is capable of sending and receiving data from an RJ-45 port?
B
You have been asked by your manager to brief the group on security appliances. What is the difference between IDS and IPS?
B
You have been asked to configure a client-side virtualization solution with three guest OSs. Each one needs Internet access. How should you configure the solution in the most cost-effective way?
B
You have been asked to configure a network for a small office. The wireless router is installed, and now you need to connect the client computers. What do you enter on the client computers to connect to the router?
B
You have been asked to install Linux in a VM on a Windows 10 client. The Windows 10 client needs 4 GB RAM, and Linux needs 2 GB RAM. How much RAM does the system need at a minimum?
B
You have implemented a solution that resolved an audio problem on a laptop computer. Following the best practice methodology, what is the next step to take?
B
You need to configure email for a mobile client. His device has a setting referring to port 587. Which mail protocol is likely using this protocol?
B
You need to replace a failed AC adapter for a client's laptop. When replacing the adapter, which of the following purchases is acceptable to obtain the same or better results?
B
You need to set up a Bluetooth headset for a user. He wants to know the farthest he can be away from his phone and still have it work. You do not have the documentation handy. What is the most likely maximum range that this Bluetooth accessory will have?
B
You turn on a laptop computer and the hard drive is not recognized. Where should you go to troubleshoot the issue?
B
Your manager tells you to replace the inverter on a broken laptop. Where will you find this component?
B
Which of the following are advantages of e-readers using E Ink over tablets? (Choose two.)
B,C
Which of the following are advantages to using dial-up Internet service? (Choose two.)
B,C
Which two communications technologies can you use to create a VPN connection? (Choose two.)
B,C
Your manager wants to use the cloud because everyone seems to be talking about it. What should you include when you are listing the benefits of using the cloud? (Choose all that apply.)
B,C,D
CHAPTER 8 START. Which of the following wireless IEEE standards operate on the 2.4 GHz radio frequency and are directly compatible with each other? (Choose two.)
B,D
You are troubleshooting a Windows-based desktop computer that is experiencing unexpected shutdowns. Which of the following would be a good next step to resolve the issue? (Choose all that apply.)
B,D
Which of the following are universally common items that are synced between a mobile device and a larger computer? (Choose all that apply.)
B,D,F
Which of the following is a type of connector used with coaxial cable?
BNC
Which of the following wireless communication standards is often described in terms of a wireless personal area network?
Bluetooth
Which of the following devices work with MAC addresses to determine what to do with network traffic? (Choose two.)
Bridge, Switch
A Windows user complains that her computer keeps crashing. What is the proprietary crash screen she is most likely seeing?
C
A laptop user with an 802.11ac wireless network card just switched desk locations. In the new location, she says that her wireless drops connectivity intermittently and seems to have slow transfer speeds. Which of the following is most likely to resolve these issues?
C
A mobile device is having intermittent communications issues. Which software component of a mobile phone is most likely responsible for these issues?
C
A technician who has been troubleshooting a computer tells you that the system is having problems with overheating. Which component is most likely to cause this issue?
C
A user complains that his 2-in-1 laptop screen does not properly detect where he places his finger on the screen. What should you do first to resolve the issue?
C
A user on your network wants to be able to draw images on a screen and have the laptop capture them. What type of device needs to be installed on his laptop?
C
A user wants her laptop to have a full-sized optical drive and external hard drive. Which of the following accessories is most likely to have full-sized bays for these devices?
C
CHAPTER 11 START. Which of the following is the most common input method for mobile devices?
C
The type of display that Google Glass presents to its users is called what?
C
There has recently been a string of hardware thefts in your office building. What should you recommend that your users implement to help avoid this problem?
C
What is the most secure wireless encryption standard for 802.11 networks?
C
What is the primary function of the SSID?
C
What level of QoS is designated for interactive voice and video?
C
What should you do for a Li-ion battery that appears to charge fully but does not last as long as the battery's meter indicates that it will last?
C
When a desktop computer boots up, there is no video on the LCD monitor, just a blank screen. The system makes one beep when it powers on, and air is coming out of the case fan. What is the most likely cause of the problem?
C
Which GPS component is responsible for triangulation?
C
Which of the following describes the job of an inverter in a laptop?
C
You are configuring NFC for a smartphone user. He is concerned about the maximum data transfer rates of the technology. What is the fastest data transfer speeds currently supported by NFC?
C
You are configuring wireless communication for several smartphones. Which of the following wireless communication methods has the shortest operational range?
C
You are installing a file server for the accounting department. Where should this file server be located on the network?
C
You are installing a single 802.11g wireless network. The office space is large enough that you need three WAPs. What channels should you configure the WAPs on to avoid communication issues?
C
You are pairing a Bluetooth headset to a mobile device. On the mobile device, after finding the device for pairing, what is the next step to take?
C
You are solving a problem with a desktop computer that was caused by human error. When is the appropriate time to implement preventive measures, according to the best practice methodology?
C
You are troubleshooting a server and discover that one of the hard drives in the RAID 0 array has failed. Which statement is true?
C
You are using the best practice methodology to troubleshoot a printer. During which phase of the methodology should you use external research based on the symptoms?
C
You boot up a Windows 10 desktop computer. The Windows splash screen flashes briefly, and then there is no display. What is the best next step to take to troubleshoot the issue?
C
You connect two Bluetooth devices together that have been previously connected. What is the process called that each device uses to verify the other's identity?
C
You have been asked to advise a group of several universities that want to combine research efforts and store data in the cloud. Which type of cloud solution might be best for them?
C
You have set up a wireless router on your network and configured it to use AES. What configuration option do you need to choose on the client computers?
C
You need to pair two Bluetooth devices with each other. Which of the following is true regarding Bluetooth pairing?
C
You need to replace defective DDR4 memory in a laptop. How many pins will the replacement memory module have?
C
You support an old impact printer at work. When the printer prints, there is always a blank horizontal line in the middle of each line of output. What is the most likely cause of the problem?
C
You turn a computer on and it doesn't boot up properly. You hear a rhythmic ticking sound coming from inside the case. What is most likely the problem?
C
Your manager wants you to install a networked Internet appliance that prevents network traffic-based attacks and includes anti-malware and anti-spam software. What should you install?
C
A desktop computer is experiencing continuous reboots. It gets to the BIOS screen and then reboots every time. Which two components are most likely to cause this problem? (Choose two.)
C,D
The display on a laptop computer is continuously flickering. Which of the following are most likely to cause this problem? (Choose two.)
C,D
When you print documents on your laser printer, you see residue from previous images on the output. Which two things are the most likely causes of this problem? (Choose two.)
C,D
You need to enable clients to synchronize their mobile devices to their laptops. Which of the following are common connection types to enable laptop synchronization? (Choose all that apply.)
C,D
What is the lowest grade of UTP that is rated for 100 Mbps transmission?
CAT-5
You are installing a new computer, and the user wants to use virtualization. Which two hardware components need to support virtual technology for this to work properly? (Choose two.)
CPU, BIOS
__________________ is the type of media access method used by NICs that listen to or sense the cable to check for traffic and send only when they hear that no one else is transmitting.
CSMA/CD
Which of the following is a common feature of a standard thick client?
Can run a full version of Windows
You install a new NIC for a user, and he asks what it does. Which of the following best characterizes the functions of this device?
Communications
Which printer part gets the toner from the photosensitive drum onto the paper?
Corona assembly
A user brings in an iPhone and the touch screen is not responding. What should you do to try first to get the device functioning again?
D
A user is concerned about security after setting up wireless communications on his tablet. Which wireless communication method has an operational range of about 1 meter and a viewing angle of about 30 degrees?
D
A user needs to synchronize her mobile device to another platform. She wants to be able to access the synchronized data from any location with just her phone. What should she synchronize to?
D
CHAPTER 10 START. A client has a laptop with which you are unfamiliar. You are asked to perform a memory upgrade. How can you obtain the service manual for this laptop computer?
D
CHAPTER 12 START. A friend asks you why she would ever disable cellular data networking. Which of the following is not a valid reason to disable cellular data networking?
D
CHAPTER 13 START. You have discovered a fix for a broken laptop. Before implementing changes, what should you consider, according to the best practice methodology?
D
The process by which the processor slows down to conserve power is officially called _________________.
D
Troubleshooting a network connectivity issue takes you into the wiring closet, where you realize that none of the cables are properly labeled. Several are disconnected. Which tool should you use to determine where the cables run to?
D
When a user turns on his desktop computer, nothing appears on the screen. He hears three long beeps, followed by three short beeps, and three long beeps. What should you do as a next step?
D
When enabled, which feature of a wireless router allows only specified computers to access the network?
D
Which of the following broadband technologies provides two dedicated, digital data channels that can be combined for greater throughput?
D
Which of the following devices was the first commercial tablet computer in the marketplace?
D
Which of the following is the name of the protocol used to transmit data in NFC peer-to-peer mode?
D
Which of the following laptop features turns off all wireless communications?
D
Which record type on a DNS server represents an IPv6 host?
D
Which service allows users with private IP addresses to access the Internet using a public IP address?
D
You are configuring two email servers on your company's network. Which network protocol do the servers use to transfer mail to each other?
D
You are explaining various connection types to new corporate smartphone and tablet users. Which of the following best describes the concept of tethering?
D
You are giving a seminar to new technicians on replacing laptop hard drives. A student asks how do laptop hard drives differ from desktop hard drives. What do you tell them?
D
You are running an 802.11g wireless router in mixed mode. You have three 802.11g wireless NICs using the router. A new user connects using an 802.11b wireless NIC. What will happen?
D
You have been asked to set up client-side virtualization on an office computer. The host OS is Windows 7, and there will be three Windows 7 guest OSs. Which of the following is true about the need for antivirus security?
D
You need to configure a mobile client to send encrypted emails. Which standard is used to encrypt and decrypt email messages on mobile devices?
D
You need to provide users with memory cards that hold enough data for their needs. How much data can a microSDXC memory card hold?
D
Your company wants to move to a cloud provider to be able to scale resources quickly, but it is concerned about the security of confidential information. Which of the following types of cloud models might be the most appropriate for your company?
D
Which of the following connector types is typically not associated with hard drive use?
DB-9
You need to replace memory in a desktop PC and to go purchase RAM. When you are at the store, you need to find the appropriate type of memory. What memory chips would you find on a stick of PC3-16000?
DDR3-2000
CHAPTER 7 START. You have just set up a network that will use the TCP/IP protocol, and you want client computers to obtain IP configuration information automatically. Which type of server do you need for this?
DHCP
Which of the following is a physical memory format installed directly in today's desktop computer systems?
DIMM
You have just purchased a motherboard that has an LGA 1156 socket for an Intel Pentium processor. What type of memory modules will you most likely need for this motherboard?
DIMM
You are buying optical discs and need to ensure that they have a large capacity. What suffix indicates that the capacity of an optical disc is roughly twice that of its standard counterpart?
DL
You are setting up a small network that will not connect to the Internet. You want computers to be able to locate each other by using hostnames. What service will do this?
DNS
Which of the following video connectors has an analog variety and a digital variety?
DVI
Which printer contains a wheel that looks like a flower with raised letters and symbols on each "petal"?
Daisy-wheel printer
You are manually configuring a TCP/IP host. Another administrator gives you the router's IP address. What is the TCP/IP term for this?
Default gateway
Which step in the laser printer printing process occurs immediately after the exposing phase?
Developing
You want to enhance your display capabilities. Which of the following is possible to do with multi-monitor settings?
Display different parts of your Desktop on different monitors.
Which type of printers can be used with multipart forms?
Dot-matrix printers
Which of the following most accurately describes how to obtain a firmware upgrade for your laser printer?
Download the firmware upgrade for free from the manufacturer's website.
You need to install a new hard drive into a desktop computer, Which of the following is not one of the three major components of a hard disk drive system?
Drive interface
Which of the following is not a requirement for a NAS?
Dual monitors
You have been asked to install a new hard drive for a client. Which of the following is not a consideration when installing an internal storage device?
Due to the high revolutions at which modern hard drives spin, you must secure an external power source because the internal power supplies do not have the capacity.
Danielle has been asked to configure virtualization at her company. She recommends that her manager buy multicore processors. What justification should she give as to why virtualization workstations require as many CPU cores as possible?
Each virtual machine makes use of actual CPU resources for processing instructions and data.
You are installing a network at a friend's house, and it's impossible to run a network cable from one point in the house to another. He does not want to use wireless networking. Which of the following is the best option to get network connectivity between the two points?
Ethernet over Power
Which step in the EP imaging process uses a laser to discharge selected areas of the photosensitive drum, thus forming an image on the drum?
Exposing
You have been hired as a consultant for a video editing company that needs all new workstations for its six editors. Which of the following is required when constructing an A/V editing workstation?
Fast hard drive
Of all the network cabling options, __________________ offers the longest possible segment length.
Fiber-optic
CHAPTER 6 START. __________________ is immune to electromagnetic or radio-frequency interference.
Fiber-optic cabling
Which of the following is fed through an extruder on a 3D printer to create objects?
Filament
What type of device will block unwanted traffic from your network using a set of rules called an ACL?
Firewall
Which laser printer component permanently presses the toner into the paper?
Fuser assembly
Intel and AMD have integrated which of the following into their Atom and APU processor lines that had not been integrated before?
GPU
Maria is setting up a gaming PC and wants to know which type of video cables to purchase. Which of the following is the recommended video output technology for a gaming PC?
HDMI
Which TCP/IP protocol uses port 80?
HTTP
Your friend is concerned about the security of making an online purchase. What should you tell her to look for in the address bar of the web browser?
HTTPS
What part of a laser printer supplies the voltages for charging and transferring corona assemblies?
High-voltage power supply (HVPS)
A physical star topology consists of several workstations that branch off a central device called a __________________.
Hub
Which type of software is required to run client-side virtualization on your home network?
Hypervisor
Which of the following protocols can be used by a client to access email on a server?
IMAP
Which of the following protocols is used for secure delivery of email?
IMAP4
Your network is running IPv4. Which of the configuration options are mandatory for your host to communicate on the network? (Choose two.)
IP address, Subnet mask
Which of the following is a company that provides direct access to the Internet for home and business computer users?
ISP
A client wants you to build a new PC for her, with a smaller case and lower power requirements. When selecting a motherboard, which form factor should you choose for a smaller size and lower power consumption?
ITX
You have just installed a new printer, but it prints only garbled text. Which of the following is likely the problem?
Incorrect printer drivers
Which device in an inkjet printer contains the print head?
Ink cartridge
Which types of printers are referred to as page printers because they receive their print job instructions one page at a time? (Choose two.)
Inkjet, Laser
Which of the following is not an advantage of a Universal Serial Bus (USB) printer interface?
It allows the printer to communicate with networks, servers, and workstations.
The workstations on your network are configured to use a DHCP server. One of the workstations can't communicate with other computers. Its IP address is 169.254.1.18. What could be the problem?
It can't reach the DHCP server.
You have been asked to configure a RAID 5 system for a client. Which of the following statements about RAID 5 is true?
It requires at least three drives to implement.
You find out that a disgruntled ex-employee's computer has a boot password that must be entered before the operating system is ever loaded. There is also a password preventing your access to the BIOS utility. Which of the following motherboard components can most likely be used to return the computer to a state that will allow you to boot the system without knowing the password?
Jumper
Which of the following connector types is an MMF connector?
LC
Which of the following protocols was designed to access information stored in an information directory, such as employee phone books?
LDAP
Which of the following have been common methods to backlight an LCD monitor? (Choose two.)
LEDs, Fluorescent bulbs
A motherboard failed on a desktop PC with an Intel Core i7-8700K processor. When looking for a replacement motherboard, which CPU socket does it need to have?
LGA 1151
A user with an iPhone 7 needs to charge her device and asks you to bring a cable. Which of the following connector types should you ensure that the cable has?
Lightning
Which of the following connector types are capable of conducting power and transmitting data? (Choose all that apply.)
Lightning, USB-C, micro-USB
You are assembling a new computer and are looking at new cooling systems. Which of the following cooling systems requires the use of a pump?
Liquid
When purchasing a projector, which of the following is the most important characteristic to consider?
Lumens
What kind of peripheral is used to read credit cards to initiate financial transactions? (Choose all that apply.)
Magnetic reader, Chip reader
A client is looking for a desktop drive technology that saves money over SSDs but offers performance increases over HDDs and can be used to house the operating system. Which of the following is the best to recommend?
Magnetic-only drive Double-sided
Which of the following networking hardware devices is capable of creating VLANs?
Managed switch
Peter is configuring a NAS. Which of the following should be his least-important priority to include in his NAS?
Maximum RAM
You are configuring a virtualization workstation for your home use. Which of the following is required for your new system?
Maximum RAM
Which of the following is a requirement for virtualization workstations?
Maximum RAM and CPU cores
Which of the following is not an example of a connector for a standard peripheral input device?
Molex
You are replacing a power supply with a new one. What is the name of the standard power connector that has been used with larger hard drives since the first IBM personal computers were introduced?
Molex
Which of the following connectors will you not find on the end of a USB cable? (Choose two.)
Molex, DB-9
CHAPTER 1 START. Which computer component contains all the circuitry necessary for other components or devices to communicate with one another?
Motherboard
Your friend Joe plays video game tournaments online, and he read in an online forum that he should install multiple GPUs for better speed. You tell him that if he does that, he needs better cooling. Why is high-end cooling a requirement for gaming PCs?
Multiple GPUs generate more heat and can cause components to fail.
Your goal is to build the fastest computer possible. Which of the following hard drive technologies should you choose for the fastest read performance?
NVMe PCIe
What is the single, fixed resolution of an LCD called?
Native resolution
Which of the following system types does not benefit from video enhancements?
Network-attached storage device
All of the following systems benefit from increased RAM except . (Choose two.)
Network-attached storage device, Gaming PC
Most printers that use the electrophotographic process contain how many standard assemblies?
Nine
What is the maximum number of IPv6 addresses that can be assigned to one IPv6 interface?
None of the above
Which of the following is an IPv6 broadcast address?
None of the above
Your network uses thin clients. A new technician is amazed that the computers have no hard drives and asks, "If the operating system is not resident on the client, where is it found?"
On the server for session-by-session client use
A technician asks you how to get a computer's processor to run faster than it currently does. What is he trying to achieve?
Overclocking
CHAPTER 2 START. You are installing a new graphics adapter in a Windows 10 system. Which of the following expansion slots is designed for high-speed, 3D graphics adapters?
PCIe
You need to install a new video card into a desktop computer. What type of expansion slot is preferred today for high-performance graphics adapters?
PCIe
Which of the following is not considered a system component that can be found inside a computer?
PCIe graphics adapter
You are purchasing a new video card in a desktop computer. For the best performance, which type of video card should you purchase?
PCIe x16
Which of the following are possible interfaces for printers? (Choose three.)
Parallel, USB, Network
If you are going to run a network cable in the space above the drop ceiling in your office, which type of cable should you use?
Plenum
Your Core i5 fan has a four-pin connector, but your motherboard only has a single three-pin header with the CPU_FAN label. Which of the following will be the easiest solution to get the necessary cooling for your CPU?
Plug the four-pin connector into the three-pin header
Which of the following best describes the concept of hot-swappable devices?
Power does not need to be turned off before the device is inserted or removed.
You are installing a new power supply in a desktop computer. Which of the following statements about power supplies is true?
Power supplies convert AC input to DC output.
CHAPTER 4 START. You have been asked to set up a workstation for a new graphic designer at your company. Which of the following is not a requirement for a graphic design workstation?
Powerful CPU
What is the correct order of the steps in the EP imaging process?
Processing, charging, exposing, developing, transferring, fusing, cleaning
Which type of coaxial cable is recommended for digital television cable signals?
RG-6
Which of the following are standards used by coaxial cable? (Choose two.)
RG-6, RG-59
Which of the following allows you to perform the most complete restart of the computer without removing power?
Reset button
What devices transfer packets across multiple networks and use tables to store network addresses to determine the best destination?
Routers
You want to create and send encrypted emails from your smartphone. What do you need to use?
S/MIME
Which of the following protocols is responsible for sending email?
SMTP
Which of the following protocols provide secure network transmissions? (Choose two.)
SSH, HTTPS
Google Docs is an example of which type of cloud service?
SaaS
Which of the following are components that can commonly be found on a motherboard? (Choose all that apply).
Slots, Fan connectors
You press the front power button on a computer and the system boots. Later, you press it briefly and the system hibernates. When you press it again, the system resumes. You press and hold the button and the system shuts down. What is this feature called?
Soft power
Marcus, a network technician, has been asked to build a virtualization workstation for his manager. Which of the following are not common requirements that Marcus should consider for this custom configuration? (Choose all that apply.)
Surround sound, Large, fast hard drives
Which two TCP/IP protocols work at the Host-to-Host layer of the DoD model? (Choose two.)
TCP, UDP
Due to government regulations, a client wants to preserve data for a long period of time. What kind of media is most commonly used when large amounts of data need to be archived on a regular basis?
Tape
Which of the following protocols uses TCP port 23?
Telnet
You have recently installed a NAS in your home so that all your family members could share media. You have a router and network cabling that supports Gigabit Ethernet. Why should you equip a NAS with a Gigabit NIC?
The NAS should exceed the communication speed of the clients to avoid a bottleneck.
You have a motherboard with integrated video, and the video fails. You install a video add-on card. Which of the following statements are the most accurate? (Choose two.)
The add-on card will be detected automatically and function properly if it's PCIe. For the card to work properly, you might need to disable the integrated video in the BIOS. The add-on card will work properly by using the integrated card's video driver.
An engineer on your network is complaining that his CAD workstation is slow and he wants a GPU upgrade. Which of the following reasons is justification for having a powerful video card in a CAD/CAM workstation?
The algorithms used in rendering graphics can be GPU-intensive.
You are interested in purchasing a new monitor and notice the contrast ratio specification. What does that refer to?
The ratio of luminance between the darkest and lightest colors that can be displayed
A video editor at your company wants a second monitor, claiming that having only one monitor limits her ability to work. Why do A/V editing workstations benefit from more than one monitor?
Their software often has enough controls across their width that one monitor seems cramped.
You have just replaced a processor in a computer and now need to add a cooling mechanism. What should you use to attach the cooling system to the processor?
Thermal paste
You are installing a new video card that has an HDMI port. Which of the following is true about HDMI cables? (Choose all that apply.)
They can transmit audio as well as video. They can use HDMI or mini-HDMI connectors.
Which of the following is a standard computer that can access resources locally as well as from servers but requires no specialized enhancements?
Thick client
Which type of system simply needs to meet recommended requirements for standard versions of operating systems and support desktop applications?
Thick client
Which of the following display interfaces is equivalent to DisplayPort with PCIe added in?
Thunderbolt
What is typically included in the EP laser printer toner cartridge? (Choose three.)
Toner, Print drum, Cleaning blade
You are installing peripherals on a new computer. Which of the following devices provides both input and output?
Touch screen
What type of pointing device features a ball and buttons on the top and a flat, steady surface on the bottom?
Trackball
You have just found out that a new BIOS upgrade exists for your computer, and you obtain a copy to install it. Which of the following is most helpful when flashing the BIOS on a desktop computer system?
Uninterruptable power supply
Which of the following is the name of a secure point-to-point connection made over a public network?
VPN
When installing multiple add-on cards of the same type, which type of cards might you need to bridge together to function as a single unit?
Video
When replacing a power supply, which of the following tends to vary among power supplies and must be chosen properly to support all connected devices?
Wattage
You need to put a connector on the end of an Ethernet crossover cable. The existing end has a white and green colored wire at pin 1. What color do you need to make pin 1 on the new end?
White/orange
Why might you use a KVM switch?
You have more than one server and don't want to buy certain external peripherals separately for each.
Which of the following is not a consideration when upgrading power supplies?
You might find that your case has a nonremovable power supply.
How do you connect a DVI-A interface on a peripheral to a DVI-D interface on the computer?
You wouldn't interconnect those two interfaces
You are installing a new display for a laptop. Which LCD component is responsible for providing brightness?
backlight
Which of the following protocols can be used in close range to transfer data between a mobile device and a computer system or to allow media to stream from the mobile device to an audio system?
bluetooth
Which technology used by e-readers gives them longer battery life than tablets?
electrophoretic ink
A user calls to report that his laptop is not booting up. What is the first step you should take?
identify the problem
You are troubleshooting a network issue. What feature do switches most likely have to help troubleshoot connectivity issues?
indicator lights
What is the function of the laser in a laser printer?
it creates an image of the page on the drum
When using a capacitive touch screen on a mobile device, what is the most common tool used to input data?
keyboard
You are choosing a flash standard for a client. They want the smallest flash cards possible. Which standard should you recommend?
microSD
A network cable has not been working properly. Another technician suggests testing the resistance on the cable. Which tools may be capable of doing this? (Choose two.)
multimeter, cable tester
The _____________ is the measurement of the number of pixels an LCD monitor can display without the image appearing distorted.
native resolution
When setting up two NFC devices, what is the name of the mode that allows the two devices to transmit data to each other?
peer-to-peer mode
Which of the following cable types is made with a plastic coating that does not produce toxic fumes when it burns?
plenum
One of your network users was recently caught at work browsing pornographic websites. Which of the following servers could be installed to prohibit this activity?
proxy
A user has asked you to install a RAID array. Except in the case of RAID 0, which two things do all types of RAID offer? (Choose two.)
redundancy, fault tolerance
A Desktop computer has recently started exhibiting slow performance, particularly when opening and saving files to the hard drive. What should you try first?
remove old files and applications to free up disk space
Which network connectivity device stops broadcasts from being sent to computers on a different network segment?
router
Which term refers to copying data between a mobile device and a computer system to mirror such things as contacts, programs, pictures, and music?
synchronization
Your laser printer has recently starting printing vertical white lines on documents it prints. What is the most likely cause of the problem?
there is toner on the transfer corona wire
What is the component called that stores the material that ends up printed to the page by a laser printer?
toner cartridge
A user says that their keyboard backlight was working but now it's not. What's the easiest way to try to get it working again?
use the keyboard function key
Which of the following technologies was developed for the IoT and communicates exclusively in the 800 MHz to 900 MHz range?
z-wave
