CompTIA A+

Your office is located in a small office park, and you are installing a new wireless network access point for your employees. The companies in the adjacent offices are using Wireless B/G/N routers in the 2.4 GHz spectrum. Your security system uses the 5 GHz spectrum, so you have purchased a 2.4 GHz wireless access point to ensure you don't cause interference with the security system. To maximize the distance between channels, which set of channels should you configure for use on your access points?

1, 6, 11

Which of the following is categorized as a public IP address?

11.120.32.41

Which of the following is a private IP address?

172.20.13.25

Which of the following is an example of a valid IPv4 address?

192.168.1.254

Which cellular technology is compromised of LTE and LTE-A to provide higher data speeds than previous cellular data protocols?

4G

A customer is upset that their laptop is too slow during the bootup process and when loading programs. The laptop is configured with an Intel i7 processor, 16 GB of RAM, a 500 GB HDD operating at 5400 RPM, and a dedicated GPU with 8 GB of RAM. Which of the following upgrades should you install to best increase the system's performance?

512 GB SSD

Which of the following is a public IP address?

8.4.2.1

You have been asked by Dion Training to build a specialized computer that will be used exclusively for video editing. Which of the following should you install to BEST meet the company's needs? (Select THREE)

-4 TB HDD (10,000 RPM) -Dual monitors -Specialized video card

You have been asked by Dion Training to build a network-attached storage (NAS) device that will be used exclusively as a file server for the company's internal network. Which of the following are most important to install to BEST meet the company's needs? (Select TWO)

-Gigabit NIC -RAID 5

Which of the following should you do before removing and replacing a laptop's Lithium-ion (Li-ion) battery pack? (Select TWO)

-Unplug the laptop from the power adapter -Shut down the laptop

You are troubleshooting a laser printer and noticed the paper's image has a white streak running across the face of the paper. Which of the following should be performed to fix this issue?

Clean the printer's corona wires

You have just set up a Minecraft server on a spare computer within your network and want your friends to connect to it over the internet. What do you need to configure in your SOHO router to allow your friends to connect to the new Minecraft server you created?

Configure port forwarding

You are setting up a projector and a laptop for a big presentation in the Dion Training conference room. You start up the presentation software and mirror the laptop's display to the projector. The image on the screen from the projector is flickering intermittently, but the image on the laptop's display is working with no issues. You attempt to change the laptop's resolution to a lower setting and a higher setting, but still, the projector's flickering persists. Which of the following steps should you attempt NEXT?

Ensure the display cable is securely connected to both the laptop and the projector

Jason would like the fastest internet available at his house, and he called his local fiber-optic provider. Which of the following offers would provide the fastest service to Jason's home network? FTTN

FTTH

The large multi-function network printer has recently begun to print pages that appear to have a dust-like coating when handled by the users. Which of the following components should be replaced based on this description?

Fuser

Which of the following describes the IP address of a router to which packets destined for a remote network should be sent by default?

Gateway

Your boss is looking for a recommendation for a cloud solution that allows onsite systems and cloud services to work together seamlessly. What type of cloud model should you recommend?

Hybrid Cloud

Which of the following types of hard drives would be used in a gaming laptop to increase the system's boot-up performance while providing a large amount of storage at a lower overall cost?

Hybrid drive

Which of the following cloud computing resources are MOST important when determining a cloud file-storage synchronization application's performance?

I/O bandwidth

Which cloud computing concept is BEST described as focusing on the replacement of physical hardware at a customer's location with cloud-based resources?

IaaS

Dion Training has just installed a new hub/control system to control the lights, HVAC, and power to the devices in their studio. The new hub/control system relies on Zigbee for wireless communication and networking between the different devices. Which of the following types of networked hosts best describes what was installed?

Internet of Things

You are working on a customer's laptop. The image on the display suddenly becomes very dark and hard to see. You attempt to adjust the brightness and contrast of the laptop's display using the special function keys, but this doesn't brighten the display much. You pull out a bright flashlight and can see the image displayed a little better when using it. Which of the following components is MOST likely faulty and needs to be replaced?

Inverter

Which of the following laptop displays requires an inverter?

LCD

Which of the following network performance metrics is used to represent the round-trip time it takes for a packet to be sent by a device to a server and then a response received from that destination server?

Latency

Which of the following form factors provides a mini card interface used to connect a laptop's SSD at higher bus speeds than SATA?

M.2

Which of the following types of network switches allows an administrator to configure advanced networking and security features?

Managed switch

Your company has recently migrated much of your data center to the cloud. Now, your boss needs a method to monitor all services used in supporting your customers to be properly billed based on their usage. Which of the following cloud computing concepts is your boss describing?

Measured services

Which of the following storage types utilize a NAND chipset mounted directly onto the motherboard instead of a mechanical spinning drive to store data?

NVMe

Tamera was responding to a complaint that one of the employees is having problems with the wired network connection on their laptop. She investigated the issue to see why it will not connect to the network. Tamera looked at the indicator lights, but she doesn't see the blinking she expected to view. Instead, the light is steady. What is MOST likely the issue?

No network activity

Your child's school issues an Office 365 account to each student to use for their school projects. Your child needs to install the proper software on their Windows 10 laptop for their school work folder to remain synced between the laptop and the cloud service. Which software should you install?

OneDrive

Which of the following devices is used to provide power to a wireless access point?

POE injector

A company has just installed a VoIP system on its network. Before the installation, all of the switches were replaced with layer 3 multilayer switches to allow for the VoIP devices to be placed on separate VLANs and have the packets routed accurately between them. What type of network segmentation technique is this an example of?

Performance optimization

Susan is on a business trip and her laptop doesn't appear to charge when plugged into the electrical outlet in her hotel room. She calls the help desk and asks for your assistance. Which of the following options should she attempt first during your troubleshooting efforts?

Plug AC adapter in a different outlet

As a PC Technician, you are on the road most of the day and use a laptop. When you get back to your office at the end of the day, you would like to be able to quickly connect a larger external monitor, keyboard, and mouse to your laptop through a single USB port to perform additional work on the larger screen. Which type of device should you choose to provide all the functionality above?

Port replicator

You are troubleshooting a Dell laptop for a customer, and you see a blank screen during boot up. You decide to plug in an external monitor to the laptop and reboot it again, but the blank screen persists. What should you attempt next?

Press Fn + F8

Which of the following sequence of events properly identifies the steps of a laser printer's imaging process?

Processing, charging, exposing, developing, transferring, fusing, and cleaning

Your boss asked you to generate a simple square code that can be easily scanned by a smartphone to access a preconfigured website address or link. Which of the following technologies would BEST meet this requirement?

QR code

Which of the following printer configuration settings controls the overall output characteristics of the print job such as the density of the ink/toner on the paper and the speed of the print process?

Quality

Which type of RAID should be used for a virtualization server that must have the fastest speed and highest redundancy level?

RAID 10

Which of the following protocols operates over port 3389 by default?

RDP

Which of the following types of connectors are used to terminate a CAT 5e network cable?

RJ-45

Susan has a 3-year-old iPad. The iPad used to get 8 hours or more of usage before running out of battery, but now it only lasts 30-60 minutes between charges. Which of the following actions should be taken to repair this device?

Replace the battery

A customer is complaining that their printer has begun to fade. While questioning the customer, you found out that they bought the laser printer about 11 months ago, have never performed any maintenance, and have only added more paper to it when it runs out. When checking the page counter, you identified that they had printed over 3,000 pages. Which of the following is MOST likely the cause of the fading?

Replace the toner cartridge

Using the image of the motherboard above, which of the following correctly indicates the circled area?

Reset jumper

Which of the following requirements should you consider when selecting the type of processors, storage, and RAM to utilize in a virtualization environment?

Resource requirements

A client states that their computer is experiencing slow performance when reading or writing to the hard drive. You have already verified that it is not a system (software) performance issue, and the system is not overheating. Which of the following would be the BEST action to take in attempting to fix this problem?

Run the disk repair tool

Using the image above, which of the following correctly indicates the port

SPDIF

Which of the following types of networking hardware is used to create network infrastructures within the cloud?

Software-defined networking

You just received a phone call from one of your customers regarding an old monitor. The monitor uses a VGA port, and the customer is worried because they only have an old VGA cable that has a few pins broken off. The customer asks you what would happen if they used that cable to connect the monitor over VGA. What would MOST likely happen?

The display will show incorrect colors on the screen

Linda's laptop began acting strangely. She asked a coworker to examine the laptop and they stated they smell a foul odor coming from it. Which of the following is MOST likely causing the laptop to have a foul odor?

The laptop's motherboard has a swollen capacitor

Jennifer just moved from France to the United States. She unpacks her computer and plugs it into the wall using a power adapter to ensure the plug connects properly. When she tries to power on the computer, the screen remains blank, she doesn't hear the fans spinning, and nothing appears to be happening. What is MOST likely the problem?

The power supply's input is set to 220V

Dion Training's video editor wants to install a new dedicated GPU using an expansion card. Which of the following should they verify before installing the new card?

The power supply's wattage rating

Jason presents a "how to pass your certification exams on the first attempt" lesson for his students using an overhead projector. After 24 minutes, the project goes blank. Jason allows the students to take a 15-minute coffee break while he attempts to turn the project back on. The project runs for another 4 minutes and then turns off again. What is MOST likely wrong with the projector and the laptop setup?

The projector is overheating

Jason created an email with sensitive information. To secure the contents, he encrypted the email before sending it to the recipient. The recipient received the email in their email client but cannot decrypt and read the email's contents. Which of the following is MOST likely the issue?

The receiver's client cannot read S/MIME content

Jason left his smartphone in his car while running into a convenience store to grab a cold drink on a sunny day. When he got back to the car, his smartphone would not turn on. Which of the following issues most likely occurred?

The smartphone is overheated

You are troubleshooting a network connection issue between the wall jack in a user's office and the switch in the communications closet. When you plug a network cable into the wall jack, there is no connection. You check the switch in the communications closet to determine if the wall jack is properly connected to the switch. Unfortunately, none of the cables in the communication closet are labeled. Which of the following tools should you use to determine which cable in the communications closet is connected to the wall jack in the user's office since none of the cables are properly labeled?

Tone generator and probe

When using a laser printer, what is used to transfer the image to a piece of paper?

Toner

Jason has connected a new Roku media player to his high-definition television using an HDMI cable. When he attempts to turn on the Roku device, he sees a message stating "Unauthorized content" on his television. Which of the following should Jason do to fix this issue?

Turn off the television and Roku, unplug and replug the HDMI cable, and then restart both units

You are building a virtualization server that runs on Windows Server 2016. The server will host multiple virtual machines, each with a different operating system. Which type of hypervisor should you select for this environment?

Type 2

What type of usb are black (not red or blue)

USB 2.0 (red/blue is 3.0)

Which version of USB can operate at speeds of up to 5 Gbps?

USB 3

What type of connector can be inserted into the port in either direction without damaging the port?

USB Type C

Which of the following cables is MOST widely used by modern Android smartphones and tablets?

USB-C

Which of the following cables supports both charging and data transfer with a non-directional connector inserted into a port on the device?

USB-C

Using the image above, which of the following correctly indicates the port

VGA

While working as a technician, you are trying to help a customer whose PC cannot boot up. When the computer is turned on, an error stating "bootable device not found" appears on the screen. What should you attempt first?

Verify that either the Molex or SATA cable is connected to the HDD

Dion Training's multifunction laser printer recently had a paper jam. An employee pulled the paper out of the rollers to clear the jam. Unfortunately, the device still has a paper jam error displayed on the screen and will not print. You have been called to fix this issue. Which of the following should you attempt FIRST?

Verify the paper path and its sensors are not blocked

What does VDI stand for?

Virtual Desktop Infrastructure

You just arrived at school today, pulled your laptop out of your backpack, and tried to connect your laptop to the Wi-Fi network. It worked fine yesterday, but today it won't connect automatically or display any available networks. You haven't done anything to the laptop since you left class yesterday. You ask your classmates if they can connect to the Wi-Fi, and every one of them is connected without any issues. What should you check FIRST in your attempt to connect your laptop to the Wi-Fi?

Wireless switch on your laptop

Which of the following statements about an eSATA connection is correct?

eSATA is used to add additional external storage devices

Which of the following synchronization methods does NOT work with Android devices?

iTunes

You have been asked to replace the wireless 802.11ac card in an employee's laptop. Which of the following types of expansion cards is this?

miniPCIe

Dion Training has recently purchased a new wireless printer and has asked you to configure it in their office. You have installed the necessary printer drivers on your workstation and have plugged the printer into the power outlet. You just configured the printer to connect to the guest wireless network. Next, you try to print a test page, but nothing prints out. Which of the following is the most likely cause for the printer not printing the test page?

ou connected the printer to the guest wireless network instead of the corporate wireless network

You are setting up a hotel ballroom for a training workshop. Which of the following devices would BEST allow the conference attendees to connect their laptops to the hotel's network when inside the conference areas?

Access Point

An employee's workstation will operate for a short period of time, but then it unexpectedly shuts down. When you check the workstation, you hear the hum of the cooling fans. What is most likely the issue?

CPU overheated

Based on the configurations shown, which of the following settings should you change to bring the wireless network back to optimal performance? (Please select any or all options that apply)

Change AP2's Channel from 1 to 6

Which of the following types of optical discs can support storing a 20 GB file on a single piece of media?

BD-R

A customer's system clock is continually resetting itself causes discrepancies with the date and time. Which of the following components of the system should you investigate as the root cause of this issue?

BIOS

You are working for a logistics company that needs to get a device that will automatically enter information about a package when it is read using light and a lens. Which of the following devices should you install to BEST support this requirement?

Barcode reader

Molly enjoys playing an online MMORPG each day after work. To access the game, she simply enters the website address and logins in to begin playing. Today, she tried to access the game from her laptop at work, but she couldn't launch the game. What is most likely causing the issue?

Blocklisted by firewall

Which of the following BEST describes how a DHCP reservation works?

By matching a MAC address to an IP address within the DHCP scope

Which of the following modes of operation will allow a motherboard to create two independent 64-bit pathways to achieve 128-bits of data transfer per transaction from the memory to the CPU?

Dual-channel

A technician at Dion Training is troubleshooting an issue with a workstation. The technician believes that the motherboard needs to be replaced based on the symptoms they observed. Which of the following symptoms did the technician likely observe to lead them to this conclusion?

Distended capacitors

What type of cable should be used to connect a laptop directly to another laptop to form an Ethernet network?

Crossover cable

A technician is troubleshooting a workstation at Dion Training. The workstation is suffering from intermittent connectivity issues. The technician notices that the STP cable pairs are not completely twisted near the connector. Which of the following issues may be experienced because of this?

Crosstalk

Dion Training uses a large laser printer to print documents in its office. The laser printer has recently begun creating printouts that contain a double image or ghost image appearance to them. Jason just printed out a test page:Which of the following components is most likely to cause a ghost image to appear on the printout such as the one above?

Drum

Which of the following types of connectors are used to terminate a serial cable for an external modem?

DB-9

Dion Training's service desk has received calls from numerous users stating they are receiving an error message concerning duplicate IP addresses being detected on their systems. These users also cannot access the network's file server or browse any websites. Which of the following servers should the technician check first in troubleshooting this issue?

DHCP server

Tamera's iPad only had 21% battery remaining at the end of the day, so she connected her iPad to the lightning cable and wall adapter last night before going to bed. In the morning, she tried to turn on the iPad, but it appeared to be completely shut down and the battery was drained. She connected the lightning cable to her iPhone, but it does not charge either. Which of the following is MOST likely the reason that the iPad didn't charge overnight?

Defective lightning cable