CompTIA Practice Exam

What printers rely on a print head?

Both inkjet and dot matrix printers

Intrusion

refers to a malicious actor gaining unauthorized access to a system.

Client-side virtualization

refers to any solution designed to run on desktops or workstations.

The Domain-based Message Authentication, Reporting, and Conformance (DMARC)

framework ensures that SPF and DKIM are being utilized effectively. It specifies a policy mechanism for senders to specify how authentication failures should be treated.

A dynamic host configuration protocol (DHCP) is used for

getting an IP address, subnet mask, default gateway, and DNS server addresses

Satellites positioned in low Earth orbit (LEO)

have a drawback such that the satellites move relative to the surface of the Earth. Premises antennas must be provisioned with a motor so that they can periodically realign with the array.

The print bed/build plate on a 3D printer

is a flat glass plate onto which the material is extruded. The bed is usually heated to prevent the material from warping.

jdoe email

[email protected]

Drivers

refer to the software required for a computer and computer application to communicate with a printer.

RAID 5 needs at least

3 disks but can be configured with more

Sound Card needs a

3.5 mm (1/8 inch)

Which type of virtualization refers to any solution designed to run on ordinary desktops or workstations? Server-side virtualization Application virtualization Container virtualization Client-side virtualization

Client-side virtualization

A printer technician receives a complaint from multiple users sharing a laser printer that the pages they are printing are faded or faint. Upon troubleshooting, the technician ruled out user and server settings. What hardware component of the laser printer needs replacing to fix this error? Fuser Print head Drum Toner cartridge

Toner cartridge

Using MFA,

The It was only given an email address to set up.

In the exposing stage

as the laser receives the image information, it fires a short pulse of light for each dot in the raster to neutralize the charge that was applied by the PCR. In this stage, the imaging drum loses its charge when functioning properly.

A swollen battery indicates some sort of problem with the

battery's charging circuit, which is supposed to prevent overcharging. If a device is exposed to liquid, this could also have damaged the battery.

The Lightweight Directory Access Protocol (LDAP)

is a TCP/IP protocol used to query and update resources in an X.500 directory. It is widely supported in current directory products such as Windows Active Directory.

type 3 driver

is a Windows driver that supports multiple versions of Windows across the same platform (i.e. Windows x86 or Windows 64).

The Lightning connector

is a proprietary connector for Apple phones and tablets. This type of port is still used currently.

DVI-A

is a technology that carries a digital signal to an analog device. This cable along with an adapter for a VGA connector is required.

VMWare ESXi

is a type 1 hypervisor that is designed for bare-metal install in a server environment.

Hyper-V

is a type 1 hypervisor.

Chip creep

is where an adapter works loose from its socket over time. This may happen perhaps because of temperature changes causing the plastic to flex over time. In some cases, motherboard problems may be caused by dirt. Deposits of dust and dirt may build up and cause a connector to come loose.

A failed disk drive is an

issue that causes a problem. In this case, bad sectors are rendering the system unusable.

If user settings can be ruled out

it is common that the toner cartridge has simply run out of toner and needs to be replaced.

Ink nozzles spray ink onto paper and are part of an inkjet printer.. Blocked ink nozzles cause

lines to run through printed pages.

If there was speckling of toner on the printouts

loose toner may be getting onto the paper. The inside of the printer would need to be cleaned using an approved toner vacuum.

A 3D printer has

many moving parts. The gears, motors, and motion control enable the precise positioning of the extruder.

An extension

may refer to a number of things. With virtualization, the central processing unit (CPU) uses extensions to enable virtualization features within the host and guest operating systems.

A bare metal virtual platform

means that a type 1 hypervisor is installed directly onto the computer and manages access to the host hardware without going through a host OS.

In flex mode

memory that is of equal value within each channel can work as dual-channel while the remainder of the memory will work in single-channel mode.

A mobile device management (MDM) system

sets device policies for authentication, feature use (camera and microphone), and connectivity. It can also allow device resets and remote wipes.

A mobile application management (MAM) system

sets policies for apps that can process corporate data and prevents data transfer to personal apps.

The display panel

sits below the digitizer.

The HDD drive

size on a laptop will vary. Though it is important to get a properly sized ..., it does not affect the RAM.

The 802.3bt (PoE++ or 4PPoE)

supplies up to about 51 W (Type 3) or 73 W (Type 4) usable power.

Swelling is a

symptom and not a cause of a battery problem. It is the result of a defective, overheating, or aging battery.

Software not loading is a

symptom of the problem. In this case, a failing disk is causing the symptom.

Smudging print indicates

that the toner is not fusing to the paper.

During the processing stage

the OS driver encodes the page in a page description language and sends it to the print device for processing.

Address space is

the amount of memory locations the CPU can keep track of.

Public

(or multitenant) model is a service offered over the internet by cloud service providers (CSPs) to cloud consumers, often referred to as tenants. With this model, a cloud service provider can offer subscriptions or pay-as-you-go.

A user contacts a printer technician to report that every print job sent to a laser printer has lines of toner in the same location on every page that is printed. What does the technician suggest may need cleaning or replacing? Toner Drum Fuser Pins

Drum

Most cabled LANs are based on

802.3 Ethernet standards that are designated xBASE-Y, where x is the nominal data rate and Y is the cable type.

An engineer plans a new wireless infrastructure rollout. The requirement is for access points that use 48V of power and 13 watts. Which specific standard does the engineer implement? 802.3at 802.3af 802.3bt 802.3

802.3af

What type 2 hypervisor wouldn't directly stall onto Windows 10.

Parallels Workstation is a type 2 hypervisor, however, it is software that is installed on a Mac computer to allow the virtualization of a guest operating system such as Windows 10.

A solid-state disk (SSD)

can be provisioned in an adapter card form factor. These often use an M.2 interface. An M.2 port is oriented horizontally. 6 Gps

Gyroscope

can detect when a device changes position and adjust the screen orientation appropriately.

A MAC address

consists of 48 binary digits, making it 6 bytes in size and are represented as 12 digits of hexadecimal and each hex digit represents half a byte.

Bluetooth

creates a short-range personal area network (PAN) to share data with a PC, connect to a printer, and even connect to automobiles.

A Bluetooth wireless radio

creates a short-range personal area network (PAN) to share data with a PC, connect to a printer, and even connect to automobiles. This connection does use a UART.

ATX12V version 2 specification.

defines a 24-pin (2x12) P1 form factor

Type 2 printer

drivers are older. Each specific version of Windows has its own driver. A technician would have to install the correct driver for each version of the Windows system that uses the printer.

Organic LED (OLED) display

each pixel is generated by a separate LED. This is not a TFT display.

Bring Your Own Device (BYOD)

employees are allowed to use a personally owned device to access corporate accounts, apps, and data. BYOD can raise security concerns.

The HyperText Transfer Protocol (HTTP)

enables clients (typically web browsers) to request resources from an HTTP server.

If the display is not showing any image,

ensure it is set to the desired input source using the on screen display (OSD) menu. These on screen display (OSD) menus are operated using buttons on the monitor case.

Location should be set to

high accurasy

A traditional virtual machine (VM) runs on what is known as a

hypervisor

A faulty mobile power supply may

impact how well a battery is being charged.

Port 389

is a common TCP port that is used for the Lightweight Directory Access Protocol (LDAP).

Port 161

is a common UDP port for the Simple Network Management Protocol (SNMP).

An embedded system

is an electronic device that is designed to perform a specific, dedicated function. An embedded system does not describe the deployed service.

The number 16

is representative in many areas of computing that usually relate to bits. There are not 16 MAC binary digits.

When troubleshooting connectivity on a wired network, the first thing the technician should check is the

patch cable. Ensure that the RJ45 connectors are solidly connected to the cable, there are no obvious wear bends or breaks, and that it is properly connected to the device and the wall jack.

single sign-on (SSO)

protocol that allows a user to authenticate once to access a network and gain authorization for all the compatible application servers running on it.

A satellite-based microwave radio system

provides far bigger areas of coverage than can be achieved using other technologies. Satellites placed in a high geostationary orbit are impacted by increased latency.

Copper cabling standard

10 Gbps.

What causes Post Problems

A faulty device or CPU

Passive Optical Network (PON)

A full fiber connection to a customer's building. A single fiber cable is run from the point of presence to a street cabinet.

Locking lever

Locks the CPU in place.

If printed material on a paper smudges easily

The fuser on a laser printer would have to be replaced

Gain is measured in

dBi

Ports 137-139 (UDP/TCP)

are used for NETBIOS over TCP/IP communications.

Several users of a shared printer complain that the printer is printing on both sides of a sheet of paper when it should only print on one side. What setting does a technician change? Orientation Badging Quality Duplex

Duplex

What causes shut downs?

Dust and a broken fan (overheating). Faulty CPU

RJ45 NIC Card needs a

PCIe Expansion Card PCI-X?

A universal asynchronous receiver transmitter (UART) port was traditionally a physical serial port in a legacy system. In a modern mobile device, how can a UART be utilized? (Select all that apply.) Wi-Fi Bluetooth USB Ethernet

Bluetooth USB

A technician troubleshoots a motherboard issue. What the tech discovers is chip creep with a serial ATA (SATA) connector. What is the cause? (Select all that apply.) Changing temperature Dust and dirt Electrostatic discharge Capacitor swelling

Changing temperature Dust and dirt

TCP is used for

Guaranteed Packet addressing and routing within a network of networks. A PC, laptop, mobile device, or server that can communicate on an IP network uses addressing and routing.

Consequence

Not being able to provide data is a consequence of having a problematic system.

Up-plugging

The act of plugging a PCIe adapter into a slot that supports more lanes than the adapter supports.

An engineer configures a workstation for development testing by using virtualization. The engineer chooses to use a type 1 hypervisor. Which statements describe the environment? (Select all that apply.) The hypervisor is bare-metal. The hypervisor is installed within an OS. The hypervisor is host-based. The hypervisor is installed on and manages hardware directly.

The hypervisor is bare-metal. The hypervisor is installed on and manages hardware directly.

Metered utilization

The per-use billing for resources consumed by the cloud. The measurement is based on the type of resource such as storage, processing, bandwidth, or active users.

UDP is used for

Unreliable Audio and Video Streams

After testing bad ports

Update the network interface card Verify that Ethernet speed and duplex configuration are set to auto negotiate.

Gigabit Ethernet over copper twisted pair

Works at 1000 Mbps (or 1 Gbps). Mainstream choice of standard for most LANs.

VGA

Analog Video

A user tries to connect a second monitor to a computer. The computer has an available digital visual interface (DVI) connector that outputs a digital signal and the monitor has a video graphics array (VGA) connector. A technician recommends an adapter for DVI to VGA and which type of cable? DVI-D DVI-I DVI-A USB-C

DVI-A

A remote facility cannot utilize a wired internet connection for a short period. When relying on a wireless solution, there is a need to periodically adjust the receiving antenna throughout the day. Which technology is in use? Geostationary orbital satellite internet access Wireless internet service provider Low Earth orbital satellite internet access Global System for Mobile Communication

Low Earth orbital satellite internet access

An employee at an organization requests a laptop upgrade. The request is for a laptop that is extremely lightweight. There is also a requirement for the fastest speeds possible in order to demo the company's software to potential clients. With these requirements in mind, which drive type should the laptop have? mSATA M.2 2.5" HDD 1.8" HDD

M.2

A company realizes that it needs to implement a management solution for mobile phones. Which solution is specific to the restriction of apps installed from a device's app store? MAM EMM MDM BYOD

MAM

A college campus is spread throughout an entire city. There is a plan to upgrade the connectivity to all buildings for increased speed. What type do engineers upgrade? MAN WAN LAN PAN

MAN

A systems administrator configures email on a mobile device for a new employee. As the configuration will use Exchange, which protocol will be used to synchronize email to the device? POP3 IMAP MAPI SMTP

MAPI

A company places restrictions on the specific components and ports of mobile devices. This includes USB ports and cameras. Which specific enterprise management solution does the company deploy for this purpose? MAM MDM EMM SYNC

MDM

Non-volatile storage devices hold data when the system is powered off. These devices are also referred to as mass storage. What are the three types of technologies that mass storage devices use? (Select all that apply.) Magnetic Optical RAID Solid-state

Magnetic Optical Solid-state

A company considers moving its infrastructure to the cloud. Management emphasizes the need to handle changes in growth in real-time. Which feature fulfills this need? Shared resources High availability Rapid elasticity Scalability

Rapid elasticity

Which cloud characteristic handles changes in demand requirements in real time? Rapid elasticity Scalability High availability Metered utilization

Rapid elasticity

A laptop technician replaces the power supply in a desktop system. To do this, the technician needs to know the output of the current power supply unit (PSU). What is the PSU output capability measured as? Voltage Power Wattage rating Efficiency

Wattage rating

Windows 10

began support for type 4 drivers. These drivers are designed where a single driver will work with multiple types of devices.

For the jdoe select account to add

google to add an acount to the company cell phone.

The M.2 SSD adaptors

interface directly with the PCI express bus. The most popular length is 80 mm. Has much higher bus speeds than SATA. Can be different lengths.

An IP address

is 32 binary digits. This address type is made up of four octets, each with 8 binary digits.

A laptop AC adapter

is an external power supply that converts power from AC to the DC voltages used by the laptop. This is not a consideration for RAM upgrades.

The 802.3 standard

is an overall arching standard that covers Ethernet usage. While the implementation falls under 802.3, it is not specific to the application.

Data corruption

is caused by a failing disk and will not cause extended read and write times.

WIFI Hotspot for jdoe

is the only thing required.

RAID 0 requires

two or more disk drives.

A hypervisor application that is installed onto a host OS itself is known as a

type 2 hypervisor. VMWare Workstation and Parallels are examples.

Mini-SATA (mSATA) interface

An SSD might be housed on this card. These cards resemble Mini PCIe cards but are not physically compatible with Mini PCIe slots. 6 Gbps

Nearest Point of Presence (PoP)

A connection to an internet service provider's (ISP's) network uses this, such as a local telephone exchange.

A support technician helps a user identify a problem with a newly installed application. The user states the application was working the day before. What does the technician do next? Test a theory to determine a cause. Establish a plan of action. Document the findings. Establish a theory of probable cause.

Establish a theory of probable cause.

An engineer troubleshooting a network connection identifies a port flapping problem. What should the engineer investigate as a possible cause? (Select all that apply.) Port Security Ethernet cable NIC port Switch port

Ethernet cable NIC port Switch port

How fast is a card capable of running when unplugging?

It is only capable of running as fast as the card says and at the speed of x1.

Small Outline DIMM (SODIMM)

Laptop RAM is packaged in this smaller form factor. The memory is typically fitted into slots that pop up at a 45º angle.

A technician plans an upgrade for several company laptops with new internal storage devices. The requirement is that the new devices interface with a PCI Express bus. What type of device does the technician use? uSATA mSATA SATA M.2

M.2

A support firm installs and configures network access control systems for organizations. This includes implementing the security mechanisms for local and remote computers to authenticate with an internal server system. A switch is put in place on the edge of the network to protect the server and protect against unauthorized traffic. What role does the switch play in the implementation? Supplicant Network Access Server AAA RADIUS

Network Access Server

What Devices are faster but require power to store data?

RAM and the CPU Cache

Blanking Plates

Used to help airflow by covering up holes.

Fast Ethernet over copper twisted pair cabling

Works at 100 Mbps.

X64 Windows

is a 64-bit Windows operating system. This OS style is designed to work with 64-bit processors. Various printer driver types can be installed on this OS platform.

Enterprise mobility management (EMM)

is a class of management software designed to apply security policies to the use of mobile devices and apps in the enterprise. This is a broad term that encompasses MDM and MAM.

A local area network (LAN)

is a group of computers connected by cabling and one or more network switches that are all installed at a single geographical location.

Software-defined networking (SDN)

is a model for the rapid provisioning and de-provisioning of cloud-based servers and networks.

DVI-I

is a technology that is capable of connecting a digital source to a digital display or an analog source to an analog display. Good for a digital to analog solution.

High availability (HA)

means that the service experiences very little downtime. For example, a service with 99.999% availability experiences only 5 minutes and 15 seconds annual downtime.

Badging

means the print device is fitted with a smart card reader that enables print output to be retrieved.

1.8" drive bays

might require the use of the micro SATA or uSATA connector.

password for jdoe

most complicated one.

4/6/8-pins used for

motherboard peripherals such as the CPU and adapter cards.

If there are stuck or dead pixels, you may be able to

reactivate the pixels by gently touching them or using special software, but likely you'll need to replace the display.

Code division multiple access (CDMA)

refers to a cellular device and means that the handset is directly managed by the provider and there is no removable SIM card.

The Global System for Mobile Communication (GSM)

refers to cellular usage that allows subscribers to use a removable subscriber identity module (SIM) card to use an unlocked handset with their chosen network provider.

Form factor

refers to how a laptop is built. Though the size and casing shape will vary on the laptop, it rarely affects the installation of RAM. Since they are standardized, the technician knows which type to use

Virtual machine escaping

refers to malware running on a guest OS jumping to another guest or to the host system itself.

Black stripes or a whole page black indicates

that the primary charge roller is dirty or damaged or that the high voltage power supply to the developer unit is malfunctioning.

In application virtualization

the client computer will either stream an application from the server for local processing or access an application hosted on a server.

If there are cracks on the screen and the visual elements look fine,

the display panel does not need to be replaced.

A flickering or flashing image could also be caused by

the display's backlight or circultry starting to fail. These symptoms will typically require the display to be repaired under warranty or replaced.

In the charging stage

the imaging drum is conditioned by the primary charge roller (PCR). The PCR is a metal roller with a rubber coating powered by a high voltage power supply assembly.

The quality of a print job allows for

the selection of the proper type of paper stock (size and type) to use and whether to use an economy or draft mode to preserve ink/toner.

Fault

Though a ... can be a cause of a problem, it is not part of the problem-solving process.

Each frequency band is split into

a series of smaller ranges referred to as channels.

If a display has color glitches like green or purple horizontal lines,

check that display cables and ports are fully connected and working properly. If needed, replace them.

Common 3d printer maintenance includes

cleaning the print bed and extruder and replacing used filament.

HDMI and DisplayPort can deliver a

combined video and audio signal if that is supported by the video card. This would help with minimizing the cabling footprint at each workstation as well.

An industrial control system (ICS)

provides mechanisms for workflow and process automation in critical infrastructures, like power suppliers, water suppliers, and health services.

If images reappear on a sheet of paper as it is printed.

The print drum on a laser printer may need to be replaced

Mini-B USB connectors

are less common and are still found on some game consoles and other hardware.

Internal USB 2 connections

are made via 9-pin headers, which accept up to two 4-pin port connections while the 9th pin is to orient the cable correctly.

An authentication, authorization, and accounting (AAA) server

consolidates authentication services across multiple access devices.

Symptoms such as a touch screen not responding to input could indicate a problem with the

digitizer

Audio ports

allow speakers and/or headphones and a microphone to be connected to the computer.

File Transfer Protocol-Secure (FTPS)

allows a client to upload and download files from a network server. The server can be easily configured without the need for local user accounts.

NFC (Near Field Communication)

allows for very short-range data transmission (up to about 20 cm/8 in.) to activate a receiver chip in a contactless reader.

The 802.3af standard

allows powered devices to draw up to about 13 W. Power is supplied as 350mA@48V and limited to 15.4 W. Usable wattage usually falls around 13 W.

The 802.3at (PoE+) standard

allows powered devices to draw up to about 25 W, with a maximum current of 600 mA.

A universal serial bus (USB) connection

allows systems to easily use peripherals and more. This connection does use a UART.

SYNC

an application feature that allows for the synchronization of data. Email, for example, is a popular application that features synchronization. Microsoft Exchange server features ActiveSync.

If the toner was not fused to the paper properly by having

an output that smudges easily, then this would indicate that the fuser needs replacing.

When toner is not fused to the paper, a common symptom is

an output that smudges easily. This indicates that the fuser needs replacing.

The capacitors

are barrel-like components that regulate the flow of electricity to the system chips.

Li-ion batteries

are not related to a degrading charge.

Micro-B USB connector form factors

are only found on older models of Android devices. They are being phased out in favor of the USB-C connector.

If a computer is used to produce digital art and the display colors do not match print output, the display may need to

be calibrated to scanning devices and print output. Color calibration (or workFlow) refers to a process of adjusting screen and scanner settings so that color input and output are balanced.

A completely failed bulb is referred to as

burned out bulb. You might hear the bulb "pop" and observe scorch marks on the inside or a broken filament.

A load balancer

can be deployed to distribute client requests across server nodes in a farm or pool.

A proxy

can perform a security function by acting as a content filter to block access to sites deemed inappropriate. A non-transparent ... requires client configuration for the ... server.

An aging battery would be the cause of

charging issues, including the likelihood of a battery no longer holding a full charge. As batteries age, so does the charging lifetime.

Twisted Nematic (TN)

crystals twist or untwist in response to the voltage level. This is the earliest type of TFT technology that can be in budget displays.

Marks that appear in the same place (referred to as repetitive defects) are often due to

dirty feed rollers or a damaged or dirty photosensitive drum.

Quality of Service (QoS)

is used to prioritize the port used by VoIP over any other type of protocol.

Lightweight Directory Access Protocol (LDAP).

is used to query information about network users and other network resources.

Simple Network Management Protocol (SNMP).

is used to query status information from network devices.

The Internet Mail Access Protocol (IMAP)

is useful for accessing email on multiple devices as this protocol does not remove email from the server.

Port flapping

is when a port transitions continually between up and down states, often caused by bad cabling, external interference, or a faulty network interface card (NIC) at the host end. It is not something that is set up.

When a hypervisor is installed directly on the hardware of a host system,

it is a type 1 hypervisor. This type has direct access to hardware on the host.

The speckling of toner on output is likely caused by

loose toner that may be getting onto the paper. Cleaning the inside of the printer using an approved toner vacuum is helpful.

Advanced Configuration and Power Interface (ACPI)

management standard that defines power states such as "sleep" and "hibernate."

Scalability

means that the costs involved are linear. For example, if the number of users doubles in a system, the costs to maintain the same level of service would also double.

The compact design of mobile devices makes them vulnerable to

overheating. The bottom surface of a laptop becomes hot when improperly ventilated.

Inkjet printer maintenance commonly focuses on

paper stocking and replacing or refilling ink cartridges.

Messaging Application Programming Interface (MAPI)

protocol to synchronize email messages to the device.

The Internet Protocol (IP)

provides packet addressing and routing within a network of networks. A PC, laptop, mobile device, or server that can communicate on an IP network uses addressing and routing.

Permissions for a print job

refer to the ability to send a job to the printer.

Rapid elasticity

refers to the system's ability to handle changes to demand in real-time. A system will not experience loss of service or performance if demand suddenly doubles.

Container

resource separation occurs at the OS level. The OS defines isolated containers for each user instance to run in. Each ... is allocated CPU and memory resources, but the processes run through the native OS kernel.

The platen is part of a dot matrix printer. It adjusts the gap between paper and the print head to accommodate different paper types. The incorrect adjustment could cause

smudging

What causes problems in booting?

Faulty CPU, corrupted BIOS

jdoe security

WPA-2 Enterprise

If a display has image burn-in, you may need to

replace the display. To avoid burn-in, use automatic screensavers or turn off the display. This mostly only an issue for older CRT or plasma displays.

Container virtualization

requires resource separation at the OS level.

Data loss prevention (DLP) systems

scan outgoing traffic for information that is flagged. The DLP system can verify whether the transfer is authorized or not.

USB 3.2 Gen 2x1 is capable of speeds up to

10 Gbps.

USB 3.1

10 Gbps? OLD STANDARD

A technician looks to wire an office for a medium-sized local area network (LAN). When considering the available standards and speeds, the technician decides to implement Gigabit Ethernet. What specific standard does the technician use? 1000BASE-T 100BASE-T 10GBASE-T IEEE 802.3

1000BASE-T

A manufacturing firm uses an older Windows NT computer to operate a unique piece of machinery. To support such a legacy system on the network, what common port settings are enabled for communications? 3389 RDP 137-139 NETBIOS 161 SNMP 389 LDAP

137-139 NETBIOS

The USB 3.2 Gen 2x2 Superspeed USB is capable of

2 x 10 Gbps. While other standards can use a variety of connector types, this standard strictly uses USB-C.

A laptop technician in a large corporation needs to upgrade the hard drives on employee laptops. Currently, the laptops have standard 5400 rpm 500 Gb magnetic drives. The technician needs to know what physical drive size to order. What is the normal size for a laptop magnetic drive? 3.5 in. 2.5 in. 1.8 in. 80 mm

2.5 in.

How many binary digits are found within a media access control (MAC) address? 32 12 48 16

48

Capacitor Swelling.

A component has "blown," it can leave scorch marks.

digitizer

A touch screen in a mobile device, it converts analog touch input to digital software instructions.

A user states that a smartphone does not hold a charge for as long as it did in the past. The change was noticed over the last few months. What could be the cause? (Select all that apply.) Swelling Power version Aging battery AC Adapter

Aging battery AC Adapter

Synchronization Options related to Google

Google Calander, Contacts, Drive, Gmail. Although Google Fit Data is an option, it is not required for employees job. Google Doc is also not required due to Office 365 Word being used.

A user complains about a faulty network connection on a laptop. A tech traces the Ethernet cable in the office to a direct connection in a 16-port smart switch. While investigating the switch's activity, it becomes apparent that port flapping is occurring. What does the tech troubleshoot as a possible cause? (Select all that apply.) Bad cabling Latency Faulty port Interference

Bad cabling Faulty port Interference

A hard disk drive in a system experiences extended read and write times. What is likely the cause? (Select all that apply.) Disk thrashing Bad sectors Bad blocks Data corruption

Bad sectors Bad blocks

Components that are not integrated on a motherboard

CPU Socket Northbridge GUI

A user reports a problem with a laptop to a company help desk. The user reports that the mouse cursor seems to move on its own. What does the help desk technician suspect is the problem? Digitizer Swelling Calibration Overheating

Calibration

A technician needs to troubleshoot problems. When problem-solving, what are the three items that define a problem? (Select all that apply.) Cause Fault Symptom Consequence

Cause Symptom Consequence

An organization looks to harden email services. The systems administrator uses every possible option to help prevent SPAM and other anomalies. During the final stages of configuration, the systems administrator creates a policy within the Domain Name System (DNS) to handle authentication failures. Which record is being configured? MX SPF DMARC DKIM

DMARC

What service provides on-demand resources like server instances, file storage, databases, or applications over a network? Software-defined networking (SDN) Cloud computing Local area network (LAN) Software as a service (SaaS)

Cloud computing

A small call center office asks their IT service provider to implement a voice-over-IP (VoIP) system for them. After discussing the office's needs, the technician learns that their ability to make and receive phone calls is critical. Considering this information, which of the following should the technician recommend? Configure QoS on the router. Implement DFS. Enable UPnP. Set up port flapping.

Configure QoS on the router.

Systems administrators deploy a virtualization solution that separates host resources for each instance at the operating system level. Which solution is running? Type 1 hypervisor Type 2 hypervisor Container VM

Container

An engineer investigates a new unified threat management appliance to replace an aging firewall. Which website browsing feature can the engineer expect the appliance to have? Content filtering Data loss prevention Workflow automation Load balancing

Content filtering

What causes loading issues?

Corrupted boot sector will prevent Windows from loading.

A laptop technician needs to upgrade the RAM in multiple standardized laptops. Which of the following is the biggest key consideration when upgrading the RAM on the laptops? Form factor HDD size AC adapter power rating DDR version

DDR version

A user traveling on business reports that a company owned device suffered damage to the screen during a trip. A technician notices cracks on the screen and determines that touch input is no longer recognized. Visual elements on the screen look fine. What components need replacing? (Select all that apply.) Digitizer Protective glass Display panel Gyroscope

Digitizer Protective glass

What is a class of management software designed to apply security policies to the use of mobile devices and apps in the enterprise? Internet Mail Access Protocol (IMAP) Enterprise Mobility Management (EMM) Two-factor authentication (2FA) Mobile device synchronization (sync)

Enterprise Mobility Management (EMM)

After identifying the problem with a user's computer and collecting detailed information from the user about the problem, a technician believes they know the cause. However, when testing this theory, the technician discovers they were wrong. What is the next troubleshooting step for the technician? (Select all that apply.) Back up the computer. Escalate. Develop a new theory. Ask colleagues if any changes have been made to the network infrastructure.

Escalate. Develop a new theory.

A security team at a company discovers that malware is rapidly moving from one virtual machine to another in a live environment. What security issue is occurring? Escape Extension Intrusion Sprawl

Escape

A technician that is new to 3D printers needs to call service for a malfunctioning printer. The technician explains that the problem is with what looks to be a print-head. Which component does the tech report as a problem? Extruder Motion control Build plate Bed

Extruder

A department within an organization would like to share a specific set of files with external users from a Windows 10 system. The users will also need to save files as well. Which solution does the systems administrator configure without needing to directly require Windows permissions? SMB NETBIOS HTTP FTPS

FTPS

While troubleshooting a user's computer that has no power, the technician eliminated these possible causes: power supply, cabling, wall socket, and connection issue. Therefore, which of the following could be the problem? Faulty CPU Corrupted BIOS Faulty motherboard Corrupted boot sector

Faulty motherboard

A technician installs memory into a computer that supports a multi-channel configuration. A 4GB module is placed in bank A1 and a 16GB module is placed in bank B1. A diagnostic tool reports that 12GB is useable, but not as multi-channel. What mode does the system use in making all of the memory available? Single-channel Flex Dual-channel ECC

Flex

What doesn't effect Ram?

HDD drive and an AC adapter.

What causes a dark image?

Monitor not powered on.

Network Basic Input/Output System (NetBIOS)

It is only required if the network must support file sharing for Windows versions earlier than Windows 2000.

A network administrator adds several network printers to a business network. Users can install the printers easily by browsing resources that are available for use. Which protocol enables this capability within a Windows server-based network? NAS AAA LDAP SSO

LDAP

A printer technician works in a corporate office. Their office has multiple types of printers that require regular maintenance. Which type of printer maintenance includes replacing and properly disposing of a toner print cartridge? 3-D printer maintenance Impact printer Maintenance Inkjet printer maintenance Laser printer maintenance

Laser printer maintenance

Non-volatile storage devices

Magnetic disks (Hard drive) Solid-state storage (SSD) Thumb drives Optical disks (CD/DVD)

An organization experiences an internet outage. As fiber is being used, an engineer checks to see if the optical signal is being properly converted to an electrical signal. The router is connected using an RJ45 copper wire patch cord. What does the engineer check? OLT PoP PON ONT

ONT

Disk thrashing

Occurs because a disk must perform extended reads and writes. Does not cause it. This is usually caused by low resources.

What is a Consequence

Often, the ... of the problem is that affected user(s) are unable to complete their work. Understanding the ... of problems, allows the technician to prioritize problems.

What causes a fuzzy image?

Output resolution doesn't match Video card configuratoin problem

Wireless NIC Card needs a

PCIe x1 (v1.x)

Video Card needs a

PCIe x16 (v1.x)

A college would like to implement a secured print solution so that print jobs do not arrive at a printer until the printer is physically interacted with. This will help prevent students from potentially picking up faculty print jobs. Which two solutions does the IT department consider to accomplish this? (Select all that apply.) Driver PIN code Badging Permissions

PIN code Badging

A technician troubleshoots wired connectivity issues with devices. What should the technician check first to resolve a no or intermittent connectivity issue? Patch cable Network interface card (NIC) Wall port Wi-Fi adapter

Patch cable

A systems administrator looks to control HTTP requests from client computers based on the time of day. What type of service does the administrator deploy when configuring clients in a non-transparent manner? Load balancer Proxy server Unified threat management Embedded system

Proxy server

A large technical firm deploys a cloud service. The service offers cloud storage along with web development capabilities. What deployment model does the firm utilize when a multi-tiered subscription option is available to the general consumers? Private Public Hybrid Community

Public

A data scientist needs to run complex algorithms and machine learning programs that require a significant amount of computing power. The scientist tells the company's IT pro that their current computer is too slow and their data is backed up daily. What RAID configuration would be best for the data scientist where they don't need redundancy? RAID 0 RAID 1 RAID 5 RAID 10

RAID 0

A computer has three disk drives. Which of the following RAID configurations will commonly be utilized with such a setup? (Select all that apply.) RAID 0 RAID 1 RAID 5 RAID 10

RAID 0 RAID 5

The office laser printer starts printing pages that smudge easily. The IT specialist is proficient in the common printing defects of laser printers and knows what is causing the problem. What will the IT specialist do to fix the problem? Clean the blocked ink nozzle. Realign the transfer belt. Replace the fuser. Adjust the platen gap.

Replace the fuser.

A technician needs to repair a laptop. Symptoms are that some keyboard characters are not typing properly and the fingerprint reader is not recognized. What type of component is the technician inspecting? SODIMM slot M.2 slot PCIe card Ribbon cables

Ribbon cables

An engineer plans a fiber cable implementation between two campus buildings. Due to the distance between the locations, the engineer selects single-mode fiber. What specifications does the engineer need to consider with this decision? Large core, long distances, short wavelength Small core, long distances, long wavelength Large core, short distances, long wavelength Small core, short distances, short wavelength

Small core, long distances, long wavelength

Virtual RAM

System RAM plus Swap Space

A critical system is set to use secure boot. What properties are characteristic of the secure boot process? (Select all that apply.) The firmware is configured with cryptographic keys. The operating system boot loader is digitally signed. The microprocessor is hard coded with a unique key. It can be managed through the operating system.

The firmware is configured with cryptographic keys. The operating system boot loader is digitally signed.

A printer technician troubleshoots a laser printer and determines that the exposing stage of the print job is the issue with print jobs not looking correct. What does the technician suspect is happening? The imaging drum is not properly losing its charge. The OS driver is improperly encoding the page in a page description language. The imaging drum is not being conditioned by the primary charge roller. The toner is not being fed evenly onto a magnetized developer roller.

The imaging drum is not properly losing its charge.

Protective glass

The touch screen itself is covered by a thin layer of scratch-resistant, shock-resistant tempered glass.

Virtual Machine Sprawl

The uncontrolled deployment of more and more VMs. Such action may happen as a result of malicious activity.

Symmetric Multiprocessing (SMP)

The use of two or more physical CPUs. OS can then make efficient use of CPUs on a multi-socket motherboard.

Storage from least volatile to most volatile

USB Stick (Removable storage), 2.5" for factor HDD, mSATA form factor SDD, RAM, and CPU Cache

A shared printer handles a lot of print jobs for a medium-sized company. As of late, all users are complaining about the print jobs having a speckled output. What does a printer maintenance technician find to be the problem? The fuser needs replacing. The feed rollers are dirty. The charge roller is dirty. Toner is loose in the printer.

Toner is loose in the printer.

What printer does not rely on a print head?

Toner printers

SATA interface

Traditional magnetic drives and SSD flash storage devices can use this and connector form factors.

A user complains about the quality of the display on a laptop. The user mentions that the laptop has been in use since the company started many years ago. IT determines that the display uses a very early thin film transistor (TFT) technology and will replace the laptop. Which TFT technology does the display use? Vertical alignment Organic LED In-plane switching Twisted nematic

Twisted nematic

A user complains that a computer is too slow when opening numerous applications. A technician suggests purchasing a new computer that features CMP capabilities to handle the user's workload. Which statement describes the technician's suggestion? A single execution unit and set of registers for processes A multi-socket motherboard for multiple CPUs Two processors combined in the same package Multiple parallel thread capability within a process

Two processors combined in the same package

A technician works in a Windows environment and needs to consider how to make a print driver available for each supported client. Which type of driver requires that each specific version of Windows has its own driver? Type 4 Type 3 Type 2 X64 (64-bit Windows)

Type 2

A company plans on live streaming a company-wide meeting once a month. Engineers prepare network equipment to allow the traffic. Which protocol do the engineers focus on? TCP IP DHCP UDP

UDP

An organization conducts a weekly video conference from its home office to its field locations. Recently, employees at the field locations have been complaining of poor audio and video quality. Which protocol does an engineer monitor for performance issues? UDP TCP IP MAC

UDP

What Devices are slower but do not require power to store data?

USB Stick (Removable storage), 2.5" for factor HDD, mSATA form factor SDD

A new computer experiences a malfunction with a touch input device. A support engineer disassembles the computer to diagnose the problem. While troubleshooting, which component would the technician find as a 9-pin header on the motherboard? Power button USB port Drive activity light Audio port

USB port

What is the modern Android-based smartphone and tablet connector for wired peripherals and charging? Micro-B USB Mini-B USB-C Lightning

USB-C

When troubleshooting internet connectivity issues on a wired network, the first step is to make sure the patch cables are working and connected to the network ports. If that is not the problem, what is the next troubleshooting step? Update the NIC driver. Verify the Ethernet speed and duplex configuration are set to auto-negotiate. Check that Wi-Fi is turned on. Use a loopback tool to test for bad ports.

Use a loopback tool to test for bad ports.

A developer asks the IT department if virtualization would be possible to test software in a sandboxed environment. The developer's workstation runs Windows 10, the central processing unit (CPU) has virtualization technology enabled, and has plenty of resources for virtual machines. Which type 2 hypervisor does the IT staff install? Parallels Workstation VMWare Workstation VMWare ESXi Microsoft Hyper-V

VMWare Workstation

If there is not enough system Random Access Memory (RAM), the memory space can be extended by using disk storage as a page file or swap space. What is this combination of addressable memory called? ECC RAM Virtual RAM Address space Dual-channel memory controller

Virtual RAM

If an image appears very dim,

adjust the display's brightness/contrast settings.

Engineers need to share data between devices that are in close range of each other. The speed needs to be at least 50 Mbps. Which technology do the engineers use? Wi-Fi Bluetooth CDMA NFC

Wi-Fi

A misaligned transfer belt causes

a cast or shadow-like effect on printouts.

When replacing components such as a keyboard or touchpad

a connection is made to the motherboard via a data cable, typically with a flat ribbon cable type.

In a guest OS (or host-based) system

a hypervisor is installed within the operating system of the physical host machine.

Remote Authentication Dial-In User Service (RADIUS)

a protocol that implements AAA servers.

Multi-mode fiber (MMF)

does not support such high signaling speeds or long distances as single-mode. MMF uses less expensive and less coherent LEDs or vertical cavity surface emitting lasers. has a larger core than single-mode fiber (62.5 or 50 microns) and is designed to carry a short wavelength infrared light.

Pins are used with a

dot matrix printer. Lines in dot matrix printer output indicate a stuck pin in the print head.

The optical network terminal (ONT)

installed at the customer's premises converts the optical signal to an electrical one. It is connected to the customer's router using an RJ45 copper wire patch cord.

A supplicant device

is a device requesting access to a network. This includes a user's PC or laptop, or even a smart device.

Universal Plug-and-Play (UPnP)

is a firewall setting that automatically opens the IP addresses and ports necessary for VoIP calls, but it has many security issues.

Software as a service (SaaS)

is a model of provisioning software applications. Rather than purchasing software licenses for a given number of seats, a business would access software hosted on a supplier's servers on a pay-as-you-go arrangement.

Cloud computing

is a service that provides on-demand resources such as server instances, file storage, databases, or applications over a network, typically the internet.

The bed/build surface on a 3D printer

is a sheet placed onto the base plate to hold the object in position while printing but also allows its removal on completion.

VMWare Workstation

is a type 2 hypervisor that would easily install in the Windows 10 operating system and provide the features the developer requires.

A network access server (NAS) or network access point (NAP)

is an access appliance, such as a switch, access point, a firewall, or a VPN gateway. It is the device that a system makes a connection to in order to access a network.

A network access server (NAS)

is an access appliance, such as a switch, access point, and VPN (a gateway that allows client access

A 1.8-inch drive

is commonly an mSATA SSD drive, not an HDD. Very Slow, about 5400 rpm models.

The DDR version of a laptop

is critical in the upgrade process. For example, a laptop designed to run DDR4 cannot run DDR3 RAM.

An optical line terminal (OLT)

is located in a street cabinet. The splitters direct each subscriber's traffic over a short length of fiber to an optical network terminal (ONT) installed at the customer's premises.

A unified threat management (UTM) appliance

is one that enforces a variety of security policies and controls, combining the work of multiple security functions.

Server Message Block (SMB)

is the application protocol underpinning file and printer sharing on Windows networks.

An extruder on a 3D printer

is the equivalent of a print head in an inkjet printer. A motor in the this draws filament. It is melted and squirted onto the object.

The peripheral component interconnect express (PCIe) bus

is the mainstream interface for modern adapter cards.

Server-side virtualization

is the process of deploying a server as a virtual machine. The server virtual machine (VM) can then be accessed from multiple clients for a given purpose.

A 3.5-inch drive

is the standard size for a desktop magnetic HDD. This drive configuration is too large for most laptops to utilize internally.

A 2.5-inch drive

is the standard size for a laptop magnetic HDD. On laptops, it is also important to consider the depth of the drive, since those vary by manufacturer and model. Found in heavy or budget laptops.

The Simple Mail Transfer Protocol (SMTP) server

is used for sending an email.

NETBIOS

is used on a modern network to support networking features for legacy versions of Windows

A mail exchange (MX) record

is used to identify an email server for the domain so that other servers can send messages to it.

Dynamic frequency selection (DFS)

is used to prevent Wi-Fi signals from interfering with radar and satellites.

Impact printers are printers that

strike an inked ribbon against various forms of paper to leave a mark. Common maintenance includes replacing the ribbon and feeding in new tractor paper if used.

A system crashing with a bluescreen is a

symptom of the problem. When the system encounters a bad sector.

TPM can be enabled or disabled and reset via

the system setup program and from the OS as well.

In the developing stage

the toner is fed evenly onto a magnetized developer roller from a hopper.

Vertical or horizontal lines on output, such as marks that appear in the same place, are often due

to dirty feed rollers.

Laser printers are printers that use

toner for printing documents. Toner is kept in a cartridge that may need to be replaced during normal printer maintenance.

In-plane switching (IPS) displays

use crystals that rotate rather than twist. The main benefit is to deliver better color reproduction at a wider range of viewing angles. Most ... panels support 178/178 degree horizontal and vertical viewing angles.

Vertical alignment displays

use crystals that tilt rather than twist or rotate. This technology supports wide color gamut and the best contrast ratio performance.

The Sender Policy Framework (SPF)

uses a TXT resource record published via DNS to identify the hosts authorized to send email from that domain.

DomainKeys Identified Mail (DKIM)

uses cryptography to validate the source server for a given email message. To configure this, the organization uploads a public encryption key as a TXT record.

A wireless internet service provider (WISP)

uses ground-based long-range fixed access wireless technology.

An M.2 SSD

usually interfaces with the PCI Express bus, allowing much higher bus speeds than SATA. These adapters can be of different lengths (42 mm, 60 mm, 80 mm, or 110 mm)

A universal asynchronous receiver transmitter (UART)

utilized in Bluetooth and USB connectors

The Post Office Protocol version 3 (POP3)

will download any mail to the device, removing it from the server mailbox.

A technician builds a spare computer with an older motherboard and purchases a new modular power supply. What type of motherboard connector will the power supply most likely provide? 24-pin 20-pin 8-pin 20+4-pin

20+4-pin

Most modular power supply units (PSUs) have a

20+4-pin P1 adapter cable

USB 2.0 is a high speed standard that specifies a data rate of

480 Mbps that is shared between all devices attached to the same controller.

An engineer configures 6 disks in a workstation to be part of a redundant array of independent disks (RAID) volume where one-sixth of the space on each disk will be used for parity. Which RAID type does the engineer implement? 5 0 1 10

5

The USB 3.2 Gen 1 Superspeed USB standard is capable of up to

5 Gbps. The legacy designation of this standard is USB 3.0.

A company implements a new wireless Infrastructure. During the installation, an engineer adjusts the signal of all access points for optimal performance. Which setting does the engineer use to measure dBi? Transmit power Effective isotropic radiated power Antenna gain Frequency band

Antenna gain

A user's computer powers on, but it does not pass the power on self-test (POST) and there is no display on the monitor. The IT specialist starts with the POST issue. Which of the following troubleshooting tests are appropriate in this situation? (Select all that apply.) Check power management with ACPI. Check for faulty devices by removing one device at a time to see if this fixes the problem. Check for faulty devices by removing all non-essential devices, then adding them back one at a time. Check for a faulty CPU.

Check for faulty devices by removing one device at a time to see if this fixes the problem. Check for faulty devices by removing all non-essential devices, then adding them back one at a time. Check for a faulty CPU.

The projector in the conference room is experiencing intermittent shutdowns. The technician begins troubleshooting by checking all the connector cables. What are the next troubleshooting steps for the technician? (Select all that apply.) Check that the vents are free from dust. Check that the bulb is not burned out. Check that the LED array is situated properly. Check that the fan is working.

Check that the vents are free from dust. Check that the fan is working.

A user's monitor displays a fuzzy image. What troubleshooting steps should the IT specialist take? (Select all that apply.) Use the OSD to check monitor settings. Check the configuration of the video card. Update the video card driver. Check that the monitor is powered on.

Check the configuration of the video card. Update the video card driver.

A technician follows a best practice methodology when troubleshooting a problematic computer system. Which of the following represents a consequence of having a problematic computer? A disk drive has bad sectors. The system crashes with a bluescreen. A financial spreadsheet will not load. Data required for a meeting is missing.

Data required for a meeting is missing.

A hardware technician replaces the central processing unit (CPU) on an Advanced Micro Devices (AMD) motherboard. What must be applied when connecting the heat sink to the CPU? Thermal grease Locking lever CPU socket PIN grid array (PGA)

Thermal grease

A technician plugs a USB device into a computer and notices that the speeds are slightly less than expected. The USB port and device are USB 3.x devices, and the achieved speed is roughly 9 Gbps. What USB standard is in use? USB 3.2 Gen 2x1 USB 3.2 Gen 1 USB 3.2 Gen 2x2 USB 2.0

USB 3.2 Gen 2x1

Which current USB standard supports 2 x 10 Gbps speeds and uses a USB-C connector type? USB 3.2 Gen1 USB 3.2 Gen 2x1 USB 3.2 Gen 2x2 USB 3.1

USB 3.2 Gen 2x2

A trusted platform module (TPM) microprocessor is hard coded with

a unique, unchangeable key, referred to as the endorsement key.

Drive (HDD/SSD)

activity lights are active when an internal storage disk is being accessed.

RAID 10 needs at least

four disks and the number of disks needs to be even.

A single-core CPU

has a single execution unit and set of registers implemented on a single package. This essentially means that the system has a single processor.

Single Mode Fiber (SMF)

has a small core (8-10 microns) and is designed to carry a long wavelength over long distances. 10 Gbps or better

A system suffers from occasional overheating while positioned safely away from other objects. Which airflow solutions can be implemented to help cool down the internal components? (Select all that apply.) Move to a new location. Check the heatsink. Install a new system fan. Use blanking plates.

install a new system fan. Use blanking plates.

PIN Grid Array

is a type of CPU socket form factor that is used by AMD processors.

DVI-D

is available in both single link and dual link. A DVI-D cable is intended to be used between two digital devices.

A multi-core central processing unit (CPU)

is multiple processors combined in one. This means that there are multiple execution units and registers. This is referred to as chip level multiprocessing (CMP).

The power button

is not a 9-pinned header and is used to send a signal that can be interpreted by the OS as a command to shut down rather than switching the PC off.

Simultaneous multithreading (SMT)

is referred to as HyperThreading by Intel. A thread is a stream of instructions generated by a software application. Allows the threads to run through the CPU at the same time.

Antenna gain

is the amount that a signal is boosted by directionality.

Transmit power

is the basic strength of the radio, measured in dBm.

Effective isotropic radiated power (EIRP)

is the sum of transmit power and gain, expressed in dBm.

Error correcting code (ECC) RAM

is used for systems that require a high level of reliability. Performs a hash calculation.

The on-screen display (OSD) menu

is used primarily to select input sources, brightness, color, contrast, power saving, and other monitor settings.

Thermal grease

must be applied in an X-pattern to allow for heat transference to be most successful.

A redundant array of independent disks (RAID) is

not a mass storage device, rather it is a drive configuration with a given type of fault tolerance.

In a modern system

single-channel memory means that there is one 64-bit data bus between the central processing unit (CPU), memory controller, and RAM devices.

In a modern system with a dual-channel memory controller

there are two 64-bit pathways through the bus to the CPU. This means that 128 bits of data can be sent per transfer.

RAID 1 is commonly used

with just two disks

A PC tech plugs a x8 PCIe adapter card into a x16 socket. What speed would the card be capable of running? (Select all that apply.) x1 x8 x16 x4

x1 x8