A technician upgraded the memory on a server from two 8GB sticks to eight 32GB sticks. The server memory is now at full capacity per the user guide. When the technician powers on the system, only 128GB of memory is recognized by the OS and the BIOS. The technician decides to upgrade to the latest version of the firmware on the system, which does not help. Next, the technician installs the memory in sets of 64GB at a time. Each individual set of 64GB is fully recognized by the server.
Which of the following will not allow the server to recognize all of the memory installed at the same time?

A. The power supply is not supplying enough power for the memory.

B. The memory has too many ECC errors and is shutting down

C. The server is overheating when all of the memory is installed.

D. The server needs DDR4 memory, and DDR3 is installed.

An engineer is working at a remote site that does not have Internet access. Which of the following features should the engineer use to connect a laptop to the
Internet if hotspot functionality is unavailable?

A. Tethering

B. Near field communication

C. Wireless LAN

D. Virtual private network

A user reports a corporate computer, which was recently moved, can no longer print to the default printer. A technician verifies all the cables are connected, power cycles the printer, and restarts the PC but still cannot print to the default printer. The technician notices an identical printer in Devices and Printers that ends with
(copy1). The (copy1) printer prints without issue. Which of the following MOST likely caused the issue when the computer was moved?

A. The Microsoft XPS printer was set as the default printer after the PC came back up

B. The user did not shut down the computer correctly before moving it and unplugging the power

C. Updates loaded when the PC was shut down, which updated the printer drivers

D. The user moved the printer’s USB cable to a different USB port on the desktop

A user has returned to headquarters from a remote office and is unable to connect a laptop to the office wireless network. After verifying that the user's laptop is permitted to connect to the headquarters wireless network, the technician should confirm:

A. if airplane mode is turned off.

B. if the laptop has an APIPA address.

C. if a check for IP conflicts is complete.

D. if proxy server settings are disabled.

A user reports that a small part of a laptop's screen displays black instead of the appropriate color. A technician changes the display settings on the user's laptop and then runs onboard diagnostics; however, the issue is still not resolved. Which of the following should the technician perform NEXT?

A. Update the video driver.

B. Replace the digitizer.

C. Test for dead pixels.

D. Check for recent updates.

A technician needs to set up a desktop so a programmer can write applications for mobile operating systems. This will require the installation of:

A. a CPU that supports hyperthreading,

B. a Trusted Platform Module.

C. mobile device management.

D. emulator software

Which of the following IP addressing types is MOST likely to use an IP address starting with 169.254?

A. Static

B. APIPA

C. Link local

D. Dynamic

When configuring a VM, which of the following devices MOST likely needs to be configured to allow the VM access to other client VMs on the same host?

A. Virtual switch

B. Host

C. Hypervisor

D. Workstation NIC

A technician is using PXE to upgrade the OS in a lab that has new and old computers. The new devices can obtain a DHCP address but fail to locate the PXE server. The old computers can locate the PXE server and upgrade the OS as required. Which of the following is MOST likely preventing the new computers from booting to PXE?

A. LoJack security

B. BIOS password

C. Drive encryption

D. Secure Boot

Joe, a user, wants his desktop RAID configured to allow the fastest speed and the most storage capacity. His desktop has three hard drives. Which of the following RAID types should a technician configure to achieve this?

A. 0

B. 1

C. 5

D. 10

A technician needs to run cabling from the patch panel to a new breakout box. Which of the following should the technician use to connect the cable to the jack at both the new location and the patch panel in the network wiring closet?

A. Wire crimper

B. Multimeter

C. Punchdown tool

D. Cable tester

A manager reports there is no network connectivity at a desk that has been empty for several months. The jack on the port has no label. Which of the following would be BEST for a technician to use to trace the port connection back to the wiring closet?

A. A crimper

B. A punchdown tool

C. A multimeter

D. A tone generator and a probe

A technician wants to block remote logins to a server. Which of the following ports should be blocked?

A. 21

B. 53

C. 80

D. 443

A systems administrator is troubleshooting a database server on a company LAN. Users are unable to run any database applications, but all workstations can ping the server with normal latency. Which of the following should the technician do NEXT to resolve the issue while adhering to best practices?

A. Review the system and application logs.

B. Document the findings

C. Perform a full backup

D. Reboot the server.

SIMULATION -
Laura, a customer, has instructed you to configure her home office wireless access point.
She plans to use the wireless network for finances and has requested that the network be setup with the highest encryption possible.
Additionally, Laura knows that her neighbors have wireless networks and wants to ensure that her network is not being interfered with by the other networks.
She requests that the default settings be changed to the following.
Wireless Name: HomeWiFi -
Shared Key: CompTIA -
Router Password: Secure$1 -
Finally, Laura wants to ensure that only her laptop and SmartPhone can connect to the network.
Laptop: IP Address 192.168.1.100
Hardware Address: 00:0A:BF:03:C4:54
SmartPhone: IP Address 192.168.1.101
Hardware Address: 09:2C:D0:22:3F:11
INSTRUCTIONS -
Configure Laura's wireless network using the network adapter window.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
 
 
 

A user logs on a PC and receives a message stating there is a duplicate IP address on the network. After a system restart, the user notices the same error.
Which of the following is the MOST probable cause of the error?

A. The user is still logged into another device.

B. The user has set a static IP address.

C. The user has moved to a different office.

D. The user has wireless and wired connections.

Which of the following cloud models would MOST likely be described as a service in which the customer has no responsibility for application patching?

A. IaaS

B. SaaS

C. Private cloud

D. PaaS

The documents from a workgroup laser printer are not printing correctly. Some of the print is missing, and the pages come out dusty.
Which of the following should a technician do to fix this issue?

A. Replace the low-voltage power supply

B. Replace the scanner assembly

C. Replace the formatter assembly

D. Replace the fuser assembly

Which of the following uses NFC to complete financial transactions?

A. Magnetic strip

B. Chip reader

C. Smart card

D. Tap-to-pay device

Which of the following connectors is commonly known as serial?

A. RG-6

B. RJ11

C. RS-232

D. BNC

The touch-screen feature on a Windows device has stopped working.
Which of the following should the technician check FIRST?

A. Device Manager

B. Performance Monitor

C. System configuration

D. Digitizer settings

After replacing a failed mother board in a user's computer, the technician receives a report that the computer is behaving erratically. The user states the computer shuts down randomly throughout the day and freezes frequently. The technician performs a memory diagnostic, and it reports no issues.
Which of the following should the technician check NEXT in troubleshooting this issue?

A. Reseat the memory and reset the BIOS to default settings

B. Add heat sinks to each installed memory module

C. Enable overclocking functionality in the BIOS

D. Ensure all case fans are plugged in and working

A projector's image begins to flicker during a presentation. The laptop display does not produce this issue.
When a technician changes the resolution on the laptop, the issue persists. Which of the following is the NEXT step the technician should take?

A. Check the connectivity of the VGA cable.

B. Check the connectivity of the power cable.

C. Change the aspect ratio on the laptop.

D. Change the settings of the projector.

A technician is determining the specifications for a desktop computer that will be used at trade shows all over the world. The computer will have the maximum amount of RAM. The CPU, GPU, and storage will be typical of a business workstation.
Which of the following system parameters is the MOST important for the technician to consider when choosing a power supply?

A. Input voltage

B. Efficiency rating

C. 12V rail amperage

D. Number of SATA connectors

A technician has been informed that multiple users are receiving duplicate IP address warnings on their workstations, and they are unable to browse the Internet.
Which of the following server types should the technician log in to in order to resolve the problem?

A. DNS server

B. DHCP server.

C. Proxy server

D. RADIUS server

A few users have been noticing ongoing degradation of performance in a VDI environment. A technician checks the environment and discovers the shared VM is experiencing maximum CPU utilization. Which of the following will the technician MOST likely configure to resolve the issue?

A. Network capacity

B. Resource pooling

C. Memory allocation

D. Replication scripts

A company has decided to use Windows thin clients for operations. Which of the following must be done to allow changes to the computers' OS and applications?

A. A separate hardware token must be used to authenticate the user

B. The registry must be backed up to allow changes to the computer

C. The disk partition must be formatted as NTFS

D. The configuration must be unlocked

A CAD PC is running, but it has fault lights that are illuminated. The PC has four disk drives in the drive enclosure. One disk drive has a solid fault light, and another has a flashing fault light. The remaining two disk drives are green. The user was told the drives are hot pluggable. Which of the following should a technician do FIRST to resolve the issue?

A. Remove the drive with the solid fault light and order a replacement drive.

B. Reseat both of the error drives and reboot the PC.

C. Verify hardware RAID state and configuration.

D. Simultaneously replace both drives with the fault lights.

A technician is replacing a display on a laptop and wants it to have the highest video quality available. Which of the following should the technician install?

A. LED

B. LCD

C. IPS LCD

D. OLED

A technician is setting up a server to provide access to the LAN and Internet.
Which of the following server roles would accomplish this task? (Choose three.)

A. File server

B. Print server

C. Web server

D. DNS server

E. DHCP server

F. SQL server

G. Email server

H. Proxy server

A user wants to print a large job on both the front and back sides of the paper.
Which of the following settings should the technician advise the user to change in the printer settings?

A. Collate

B. Orientation

C. Duplex

D. Transparency

A company requires the ability to control, optimize, and report user network storage automatically. Which of the following cloud concepts can achieve this?

A. Rapid elasticity

B. Measured service

C. On demand self-service

D. Resource pooling

Which of the following ports are used for secure sessions? (Choose two.)

A. 22

B. 23

C. 25

D. 80

E. 110

F. 443

A technician is troubleshooting network connectivity issues after a new wireless router was installed in an office. Users who connect to the new router are unable to access LAN resources. Which of the following is the MOST likely cause of the issue?

A. There are conflicting DHCP servers on the network

B. There are conflicting ARP records

C. There are conflicting gateways on the network

D. There are conflicting IP protocols

A customer has the LCD display in a laptop replaced. After the repair, the customer notices the laptop is showing a weaker WiFi signal than before the display was replaced.
Which of the following BEST explains the lower WiFi signal?

A. The antenna is too close to the screen’s power inverter.

B. The new LCD panel is causing interference.

C. The digitizer is calibrated improperly.

D. The radio antennas are damaged.

Which of the following cloud models places all responsibility for operating system and application maintenance on the customer?

A. Private PaaS

B. Community SaaS

C. Private SaaS

D. Public IaaS

An end user is building a small home media server. The user wants to be able to add and remove hard drives without powering down the server.
Which of the following should be enabled to allow for this?

A. NVMe

B. AHCI

C. ATAPI

D. UEFI

Users all over campus are calling the help desk to report issues connecting to the Internet. The help desk follows a script to ask questions about their issues. All the users answer the questions similarly. A help desk technician confirms no environmental changes have taken place and is currently looking through multiple system and application logs. Which of the following steps in the troubleshooting methodology is the technician currently performing?

A. Testing the theory to determine cause

B. Identifying the problem

C. Documenting findings, actions, and outcomes

D. Establishing a plan of action to resolve the issue

Which of the following should be considered FIRST when upgrading the power supply on a high-end gaming PC?

A. Wattage rating

B. PSU redundancy

C. Cooling fans

D. 20+4 pin adapter

Which of the following ports would allow for the remote management of network devices using community strings? (Choose two.)

A. 138

B. 139

C. 161

D. 162

E. 388

F. 389

Ann, a user, asks a technician to configure her mobile phone for various sync capabilities. Ann wants to use her work email account on the phone everywhere she goes. She also would like the ability to connect her phone to her work vehicle for audio. Which of the following technologies would BEST meet Ann's needs?
(Choose two.)

A. Wireless hotspot mode

B. IMAP

C. NFC

D. S/MIME

E. Bluetooth

F. VPN

An office worker requests dual-screen capability with a laptop. Which of the following peripherals is required to fulfill this request?

A. Docking station

B. HD webcam

C. KVM switch

D. USB hub

A technician is selecting a long VGA cable to run through the walls and ceiling to a projector. Which of the following cable features will help minimize interference with the video signal?

A. Ferrite core

B. Copper conductors

C. Plenum

D. Fiber

A technician is upgrading the storage on an Android tablet. The technician installs a new microSD card, but the tablet does not show any additional storage is available for use. Which of the following is the MOST likely cause of the unavailable storage?

A. The microSD card is not formatted

B. The microSD card is not a Class 10 device

C. The system’s OS is not updated

D. The microSD card is defragmented

A user's laptop is making a loud clicking noise, and the battery life is shorter than expected. Which of the following storage options would a technician MOST likely install to address the user's issues?

A. MicroSD

B. 15,000rpm HDD

C. SAS SSD

D. SATA SSD

A user received the following error message while trying to access a shared drive: Network Path was Not Found. Which of the following should be performed to resolve the issue? (Choose two.)

A. Set the NIC to full duplex.

B. Disable the local firewall.

C. Reset the TCP/IP stack.

D. Disable the Ethernet adapter.

E. Use static IP addressing instead of DHCP.

F. Flush the DNS cache.

The IT department recently updated client computers for the graphics department. A user reports the new computer has not worked since it was set up; it makes unusual sounds when pressing the power button. A technician verifies the power cable works and the computer is connected properly to both data and power. The monitor powers on but only displays the message: No source.
Which of the following BEST explains the cause of this issue?

A. There is insufficient power to the computer

B. There is a blank screen on system boot

C. The computer is overheating

D. The error beep codes on POST

Which of the following devices allows administrators to prioritize network traffic based on the protocol type?

A. Bridge

B. Access point

C. Hub

D. Managed switch

A technician is setting up a printer for a small office that does not have an RJ-45 jack. The users' computers are all in the same workgroup and are connected physically to the same network switch. The technician needs to make sure all users can print to the new printer through the switch. Which of the following should the technician configure?

A. Shared printer

B. Print server

C. Bluetooth printing

D. Cloud printing

Which of the following can be used to manage a smart thermostat?

A. SFTP

B. RDP

C. WiFi

D. NFC