quiz 2

USB port

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?

x1 and x8

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.)

USB 3.2 Gen 2x1

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?

DVI-I

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 a VGA to which type of cable?

USB 3.2 Gen 2x2

Which current USB standard supports 2 x 10 Gbps speeds and uses a USB-C connector type?

Thermal grease

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?

20+4-pin

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?

Flex

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?

Two processors combined in the same package

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?

RAID 5

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?

VRAM

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?

RAID 0, RAID 5

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

Question

The firmware is configured with cryptographic keys.

A critical system is set to use secure boot. What properties are characteristic of the secure boot process? (Select all that apply.)

The operating system boot loader is digitally signed.

RAID 0

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?

Bad sectors

A hard disk drive in a system experiences extended read and write times. What is likely the cause? (Select all that apply.)

Bad blocks

Establish a theory of probable cause.

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?

Question

Install a new system fan.

A system suffers from occasional overheating while positioned safely away from other objects. Which solutions can be implemented to help promote airflow to cool down the internal components? (Select all that apply.)

Use blanking plates.

Question

Cause, Symptom, Consequence

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

Changing temperature

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.)

Dust and dirt

-Check for faulty devices by removing one device at a time to see if this fixes the problem.

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 for faulty devices by removing all non-essential devices, then adding them back one at a time.

-Check for a faulty CPU.

Check the configuration of the video card.

A user's monitor displays a distortedly large image. To fix the resolution problem, the IT specialist performs which software troubleshooting steps? (Select all that apply.)

Update the video card driver.

Escalate.

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 and may not be capable of resolving the issue. What are the next troubleshooting steps for the technician? (Select all that apply.)

Develop a new theory.

Check that the vents are free from dust.

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 fan is working.

Faulty motherboard

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?

Antenna gain

A company implements a new wireless Infrastructure. During the installation, an engineer adjusts the signal of all antennae for optimal performance. Which setting does the engineer use to measure dBi?

1000BASE-T

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?

Small core, long distances, long wavelength

An engineer plans a fiber cable implementation between two campus buildings about 50 meters apart. Due to the distance between the locations, the engineer selects single-mode fiber. What specifications does the engineer need to consider with this decision?

802.3af

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?

Ports 137-139 (UDP/TCP) are used for NETBIOS over TCP/IP communications. NETBIOS is used on a modern network to support networking features for legacy versions of Windows.

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?

Question

Low Earth orbital satellite internet access

A remote facility cannot utilize a wired internet connection for a short period. When relying on a wireless solution, the company uses a technology that must be provisioned with a motor so it can periodically realign with the array. Which internet access technology is in use?

The optical network terminal (ONT) installed at the customer's premises converts the optical signal to an electrical one. The ONT is connected to the customer's router using an RJ45 copper wire patch cord.

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?

The Domain-based Message Authentication, Reporting, and Conformance (DMARC) framework ensures that SPF and DKIM are being utilized effectively. DMARC specifies a policy mechanism for senders to specify how authentication failures should be treated.

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?

File Transfer Protocol-Secure (FTPS) allows a client to upload and download files from a network server. An FTPS server can be easily configured without the need for local user accounts.

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?

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.

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?

Configure QoS on the router.

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?

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 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?

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

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?

Faulty port

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.)

Interference

Bad cabling

Content filters are used to block outgoing access to unauthorized websites and services. Preset or custom rules can be used.

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?

Ethernet cable

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

NIC port

Switch port

Use a loopback tool to test for bad ports.

When troubleshooting internet connectivity issues on a wired network, the first step is to make sure the patch cables are working and physically connected to the network ports. If that is not the problem, what is the next troubleshooting step?

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.

A company considers moving its infrastructure to the cloud. Management emphasizes the need to handle changes in resource usage in real-time. Which feature fulfills this need?

VMWare Workstation would be the best choice of the available options. 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 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?

A 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 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?

Virtual machine escaping (VM escaping) refers to malware running on a guest OS jumping to another guest or to the host system itself.

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?

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.

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.)

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.

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

Systems administrators deploy a virtualization solution that separates host resources for each instance at the operating system level. Which solution is running?

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.

What service provides on-demand resources like server instances, file storage, databases, or applications over a network?

Rapid elasticity refers to the system's ability to handle changes to demand in real time. This type of system would not experience loss of service or performance if demand doubles.

Which cloud characteristic handles changes in demand requirements in real time?

Client-side virtualization

Which type of virtualization refers to any solution designed to run on ordinary desktops or workstations?

A mobile device management (MDM) system sets device policies for authentication, feature use (camera and microphone), and connectivity. MDM can also allow device resets and remote wipes.

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?

Mobile application management (MAM) is part of an enterprise mobility management (EMM) suite that sets policies for apps that can process corporate data and prevents data transfer to personal apps. This type of solution configures an enterprise-managed container or workspace.

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?

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.

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?

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

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?

The Lightweight Directory Access Protocol (LDAP) is a TCP/IP protocol used to query and update an X.500 directory. LDAP uses TCP and UDP port 389 by default.

A systems administrator is wanting to use a process in which the TCP/IP protocol is used to query and update an X.500 directory. What can be used to accomplish this task?

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

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?

An M.2 SSD usually interfaces with the PCI Express bus, allowing much higher bus speeds than SATA. M.2 adapters can be of different lengths (42 mm, 60 mm, 80 mm, or 110 mm).

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?

Bluetooth

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.)

USB

In an early TFT implementation, 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.

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?

Calibration

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?

Aging battery

A user states that a smartphone does not hold a charge for as long as it did in the past and seems to charge slowly. The change was noticed over the last few months. What could be the cause? (Select all that apply.)

AC Adapter

Digitizer

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.)

Protective glass

An M.2 SSD usually interfaces with the PCI Express bus, allowing much higher bus speeds than SATA. M.2 adapters can be different lengths.

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?

Enterprise Mobility Management (EMM)

What is a class of management software designed to apply security policies to the use of mobile devices and apps in the enterprise?

USB-C

What is the modern Android-based smartphone and tablet connector for wired peripherals and charging?

PIN code

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 physical security solutions does the IT department consider to accomplish this? (Select all that apply.)

Badging

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.

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?

The imaging drum is not properly losing its charge.

A printer technician troubleshoots a laser printer and determines that the exposing stage of the print job is the issue with print jobs printing incorrectly. What does the technician suspect is happening?

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.

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?

Public, also known as multitenant, is a service offered over the internet by cloud service providers (CSPs). CSPs can offer subscriptions or pay-as-you-go financing or even provide lower-tier services free of charge.

A company is moving towards a cloud deployment model and wants the ability to use pay-as-you-go financing. Which deployment model best supports the prescribed need for the company?

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.

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?

Duplex

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?

The IT specialist will replace the fuser because smudging print indicates that the toner is not fusing to the paper.

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?

Motherboard

You are repairing a PC that won't boot after you just replaced its PSU. What should you check next? (Choose two.)

Graphics card

150 KBps

Both CD and DVD drive speeds are based on multiples of the original CD-ROM drive speed. What is that speed?

3.3 V, 5 V, 12 V

What voltages does an ATX12V P1 connector provide for the motherboard?

VGA Monitor

What do you plug into a three-row, 15-pin port?