Quiz 5 - core 1

MAM

Which of the following technologies would allow an organization to secure and manage their customer enterprise applications that are installed on a user's smartphone or tablet? CDMA GSM MDM MAM

Cable stripper

Which of the following tools is used by a technician to remove the jacket or sheathing from a wire when building a cable? Cable tester Punchdown tool Cable stripper Crimper

15,000 rpm

Which of the following type of hard disk drives would provide the best performance in a gaming workstation? 7200 rpm 10,000 rpm 5400 rpm 15,000 rpm

USB 1.1

Which of the following types of USB connections can support data rates of up to 12 Mbps? USB 3.1 USB 3.0 USB 1.1 USB 2.0

F-type

Which of the following types of connectors are used to terminate a coaxial cable for your cable modem? RJ-11 RJ-45 DB-9 F-type

Bluetooth

Which of the following wireless networking technologies is commonly used to connect a mouse to a laptop to create a PAN? Microwave Bluetooth Wi-Fi NFC

Increased performance and overall processing

Which of the following would installing a multicore CPU achieve? Accessing shared folders on a server Increased video speed Increased video editing speed Increased performance and overall processing

RAID 10

Which type of RAID should be used for a virtualization server that must have the fastest speed and highest redundancy level? RAID 10 RAID 5 RAID 1 RAID 0

802.11a

Which type of wireless network utilizes the 5 GHz frequency band and reaches speeds of up to 54 Mbps? 802.11g 802.11ax 802.11n 802.11a 802.11ac 802.11b

802.11ax

Which type of wireless network utilizes the 5 GHz frequency band and reaches speeds of up to 9.6 Gbps? 802.11b 802.11g 802.11n 802.11a 802.11ax 802.11ac

SPDIF

(This is a simulated PBQ. If you had this question on the real exam, you would be asked to drag-and-drop a label with the component's name onto the proper location on the port cluster.) Using the image above, which of the following correctly indicates the port labeled as C? FireWire USB PS2 Correct! SPDIF

Audio connector

(This is a simulated PBQ. If you had this question on the real exam, you would be asked to drag-and-drop a label with the component's name onto the proper location on the motherboard.) Using the image of the motherboard above, which of the following correctly indicates the circled area? Front panel connector USB connector Audio connector PATA connector

PCIe x16

(This is a simulated PBQ. If you had this question on the real exam, you would be asked to drag-and-drop a label with the component's name onto the proper location on the motherboard.) Using the image of the motherboard above, which of the following correctly indicates the circled area? PCIe x4 PCIe x16 AGP PCI

Port cluster

(This is a simulated PBQ. If you had this question on the real exam, you would be asked to drag-and-drop a label with the component's name onto the proper location on the motherboard.) Using the image of the motherboard above, which of the following correctly indicates the circled area? Port cluster AGP Front connection PATA connector

VGA

(This is a simulated PBQ. If you had this question on the real exam, you would be asked to drag-and-drop a label with the component's name onto the proper location on the port cluster.) Using the image above, which of the following correctly indicates the port labeled as E? DVI-I DVI-D HDMI VGA

RJ-45

(This is a simulated PBQ. If you had this question on the real exam, you would be asked to drag-and-drop a label with the component's name onto the proper location on the port cluster.) Using the image above, which of the following correctly indicates the port labeled as I? RJ-11 DB-9 PS/2 RJ-45

(1) Identify the problem; (2) Establish a theory of cause; (3) Test the theory to determine the cause; (4) Establish a plan of action to resolve the problem; (5) Implement the solution; (6) Verify system functionality; (7) Document findings and actions

(This is a simulated Performance-Based Question. If this was on the real exam, you would be asked to drag and drop the steps into the proper order from step one to step seven.)Dion Training's email server is not sending out emails to users who have a Yahoo email address. What is the proper order that you should follow to troubleshoot this issue using the CompTIA troubleshooting methodology? (1) Identify the problem; (2) Establish a theory of cause; (3) Test the theory to determine the cause; (4) Establish a plan of action to resolve the problem; (5) Implement the solution; (6) Verify system functionality; (7) Document findings and actions (1) Identify the problem; (2) Establish a plan of action to resolve the problem; (3) Implement the solution; (4) Establish a theory of cause; (5) Test the theory to determine the cause; (6) Document findings and actions; (7) Verify system functionality (1) Establish a theory of cause; (2) Test the theory to determine the cause; (3) Identify the problem; (4) Establish a plan of action to resolve the problem; (5) Verify system functionality; (6) Implement the solution; (7) Document findings and actions (1) Verify system functionality; (2) Identify the problem; (3) Establish a theory of cause; (4) Establish a plan of action to resolve the problem; (5) Test the theory to determine the cause; (6) Implement the solution; (7) Document findings and actions

AP2

(This is a simulated Performance-Based Question. On the real certification exam, you will be asked to click on the appropriate device in a network diagram to see and modify its configuration.) Wireless network users recently began experiencing speed and performance issues on your network after Access Point 2 (AP2) was replaced due to a recent hardware failure. The original wireless network was installed according to a wireless consultant's specifications and has always worked properly without any past issues. You have been asked to evaluate the situation and resolve any issues you find to improve the network's performance and connectivity. The client has instructed you to adjust the least amount of settings/configurations possible while attempting to fix the issue. Before arriving on-site, you receive the below office's floor plan with an elementary network diagram drawn on top. Based on the information provided to you so far, which network device would you log into first to begin your troubleshooting efforts? AP3 SW1 AP2 AP1

Verify full system functionality

A client's laptop appears to have been infected with malware. You have begun troubleshooting, established a plan of action, and have already implemented your proposed solution. According to the best practice troubleshooting methodology, what is the NEXT step you should take? Identify the problem Test the theory to determine the cause Document findings, actions, and outcomes Verify full system functionality

Performance optimization

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

Full storage encryption

A company wants to ensure that its mobile devices are configured to protect any data stored on them if they are lost or stolen. Which of the following should you enable and enforce through their MDM? Remove backups Enable OS updates Full storage encryption Enable SSO

Their workstation cannot reach the DHCP server

A customer called the service desk and complained that they could not reach the internet on their computer. You ask the customer to open their command prompt, type in ipconfig, and read you the IP address. The customer reads the IP as 169.254.12.45. What is the root cause of the customer's issue based on what you know so far? Their workstation cannot reach the web server Their workstation cannot reach the DNS server Their workstation cannot reach the DHCP server Their workstation cannot reach the default gateway

512 GB SSD

A customer is upset that their laptop is too slow during the bootup process and when loading programs. The laptop is configured with an Intel i7 processor, 16 GB of RAM, a 500 GB HDD operating at 5400 RPM, and a dedicated GPU with 8 GB of RAM. Which of the following upgrades should you install to best increase the system's performance? 2 TB HDD 32 GB of RAM Integrated GPU 512 GB SSD

Upgrade the WLAN card driver

A technician has installed an 802.11n network, and most users can see speeds of up to 300Mbps. A few of the users have an 802.11n network card but cannot get speeds higher than 108Mbps. What should the technician do to fix the issue? Install a vulnerability patch Rollback the firmware on the WLAN card Upgrade the OS version to 64-bit Upgrade the WLAN card driver

CPU 8-pin power cable

A technician is building a new computer for Dion Training. The technician installs the motherboard, processor, memory, hard drives, and case fans, then they attempt to connect the cables to the appropriate connections. When the technician powers on the system, the fans spin, and the motherboard's LEDs light up. Unfortunately, the computer does not successfully complete the POST and the monitor remains blank. Which of the following did the technician likely forget to connect to the motherboard? SATA 15-pin power cable Motherboard 24-pin power cable CPU 8-pin power cable Case fan 4-pin power cable

ECC

A technician needs to upgrade the RAM in a database server. The server's memory must support maintaining the highest levels of integrity. Which of the following type of RAM should the technician install? VRAM ECC SODIMM Non-Parity

Battery connection is loose

A user submits a trouble ticket for their laptop. The user states that every time they move the laptop from one place to another, the system loses power and shutdowns. You have examined the laptop fully and then removed and reinstalled the hard drive, RAM, ribbon cable to the LCD, and the battery, but the laptop is still shutting down whenever it is moved. Which of the following is MOST likely causing the issue with this laptop shutting down? Laptop is unplugged Laptop is overheating Failed CMOS battery Battery connection is loose

Multimeter

A workstation is having intermittent issues and continues to receive system errors or freeze. You believe that the problem is being caused by the workstation's motherboard, not getting the proper amount of power to it, and you want to perform a test to confirm your theory. Which of the following tools should you use to determine if the proper amount of power is being supplied to the motherboard? Multimeter Cable tester Loopback plug POST card

Faulty ambient light sensor

An Android user recently cracked their screen and had it replaced. If they are in a dark room, the phone works fine. If the user enters a room with normal lights on, then the phone's display is dim and hard to read. What is MOST likely the problem? Low battery Defective display Auto-brightness is enabled Faulty ambient light sensor

Boot to BIOS and select the HDD from the boot orde

An employee is complaining that their workstation is not booting into Windows when they reboot their machine. You noticed that during the reboot, the system is loading into a PXE-based OS. What should you do next? Boot to BIOS and select the HDD from the boot orde Press F12 to boot into boot mode and select the correct device Boot into recovery mode to fix the boot order Reboot PC to determine if it will boot from the HDD

AAAA

Dion Training has just installed a web server for a new domain name. Which of the following DNS records would need to be created to allow users to reach the website using its domain name and then redirect clients to the proper IPv6 address for the server? SOA A MX AAAA

Jitter

Dion Training uses a VoIP conferencing solution to conduct its weekly staff meetings. When Jason is talking, some of the employees say it sounds like he is speeding up and slowing down randomly. Tamera is sitting in the office with Jason, and she says Jason is speaking at the same rate the entire time. Which of the following network performance metrics would be most useful in determining why the VoIP service is not presenting a consistent pace when delivering Jason's voice over the network? Throughput Bandwidth Jitter Latency

TXT

Dion Training wants to create a DNS record to enter DKIM or SPF information into the domain name system to help prevent from spam coming from their domain. Which type of DNS record should be created? SRV PTR SOA TXT

Verify the paper path and its sensors are not blocked

Dion Training's multifunction laser printer recently had a paper jam. An employee pulled the paper out of the rollers to clear the jam. Unfortunately, the device still has a paper jam error displayed on the screen and will not print. You have been called to fix this issue. Which of the following should you attempt FIRST? Update the drivers on the print server Replace the pickup rollers Replace the toner cartridge Verify the paper path and its sensors are not blocked

MDM

Due to a global pandemic, your company decides to implement a telework policy for its employees. Unfortunately, the company doesn't have enough time to issue laptops and smartphones to each employee. The Chief Information Officer (CIO) has decided to allow employees to use their laptops and smartphones when conducting their work from home. Which of the following technologies should be implemented to allow the company the ability to manage the employees' mobile devices, provide security updates, and perform remote administration? CDMA MDM NVMe GSM

The smartphone is overheated

Jason left his smartphone in his car while running into a convenience store to grab a cold drink on a sunny day. When he got back to the car, his smartphone would not turn on. Which of the following issues most likely occurred? The digitizer is broken The smartphone is overheated The smartphone has no connectivity The battery is depleted

TN

Jason wants to order a new gaming laptop for his son for his birthday. The laptop display must support a high refresh rate of 120 Hz or 144 Hz. Which of the following types of laptop displays should Jason purchase to meet this requirement? VA Plasma TN IPS

Install the print drivers for OS X on the print server

John connected his MacBook to the corporate network and is trying to print to the office's large network printer. John notices that the print job is failing to print. The other employees in the office are having no issues printing from their Windows workstations. Which of the following should be done to resolve John's issue? Install and enable the OS X printing option on the network printer Enable Bonjour on John's MacBook Restart the print spooler on the print server Install the print drivers for OS X on the print server

Smartwatch

John is a small business owner who is always running between meetings. He wants to buy a device that will let him quickly and easily see his email notifications, view his instant messages and chats, and keep in touch with his executive assistant who is back at the office. Which device would BEST meet John's needs? Portable hotspot Fitness monitor e-Reader Smartwatch

Natalie should log into her corporate email account on the new Android phone and restore her contacts and appointments to the new device

Natalie just bought a new mobile Android phone, but her current phone is an iPhone. She needs to move all of her phone's existing contacts and appointments from her calendar from her current phone to her new phone. Natalie's iPhone was configured to use her Dion Training corporate account to save all her contacts and appointments to their cloud-based service, as well. Which of the following is the BEST way for Natalie to migrate her data from her old iPhone to her new Android device? Natalie should create an NFC connection to transfer all compatible data between the iPhone and the Android devices Natalie should create a wireless Bluetooth connection between the iPhone and the Android devices and use it to copy her contacts and appointments to the new device Natalie should perform a backup of her iPhone using iTunes on her PC and then import the contacts and appointments from her PC to her new Android device Natalie should log into her corporate email account on the new Android phone and restore her contacts and appointments to the new device

Bluetooth is not enabled

Sally just purchased a new iPhone and AirPods to listen to her music. After setting up the new iPhone, she can get online and watch YouTube, but her wireless headphones aren't working. Which of the following is MOST likely the problem? The phone is in airplane mode WiFi is not enabled Cellular is not enabled Bluetooth is not enabled

Install virtualization software and install each OS as a virtual machine

Tom, a student, wants to install Windows and Linux to practice configuring these operating systems as part of his CompTIA+ studies. His current Windows 10 laptop has a multi-core processor, and 16 GB of RAM installed. Which of the following should Tom do? Purchase a new high-end gaming laptop with Windows 10 pre-installed Buy an inexpensive Windows 10 laptop Install virtualization software and install each OS as a virtual machine Purchase a Chromebook and utilize cloud-based virtual machines

Type B

What is the MOST common connector type used when connecting a USB cable to the back of a printer? Type A Type B Mini-USB Micro-USB

Document findings, actions, and outcomes

What is the sixth step of the CompTIA troubleshooting methodology? Test the theory to determine the cause Document findings, actions, and outcomes Verify full system functionality and, if applicable, implement preventative measures Establish a plan of action to resolve the problem and implement the solution

Test the theory to determine the cause

What is the third step of the CompTIA troubleshooting methodology? Document findings, actions, and outcomes Verify full system functionality and, if applicable, implement preventative measures Establish a plan of action to resolve the problem and implement the solution Test the theory to determine the cause

F type

What type of connector is used to terminate a coaxial cable? RJ-11 F type RJ-45 DB-9

Rapid elasticity

What type of services can allow you to get more storage and more resources added to the cloud as fast as possible? Resource pooling Rapid elasticity Measured services Metered services

Ribbon

When using an impact printer, what is used to transfer the ink to a piece of paper? Inkjet cartridge Ribbon Toner Filament

Google Workspace

Which of the following cloud services provides access to Docs, Sheets, Drive, and other productivity tools using a subscription-based pricing model? iTunes Microsoft 365 iCloud Google Workspace

Repeater

Which of the following devices could be used to extend transmissions of a signal over longer distances by receiving and retransmitting a given signal at the lowest cost? Repeater Switch Router Firewall

KVM

Which of the following devices would allow you to control and provide input commands to multiple servers within the same server rack using a single set of input devices? Mouse KVM Keyboard Touchpad

Phablets

Which of the following is NOT categorized as wearable technology? Phablets Fitness monitors VR headsets Smartwatches

68.24.91.15

Which of the following is a public IP address? 172.18.2.68 192.168.1.45 10.0.1.45 68.24.91.15

macOS

Which of the following operating systems cannot be installed as a guest inside of a virtual machine on a Windows 10 laptop running Virtual Box? Red Hat Linux Kali Linux Windows 8 macOS

NetBIOS

Which of the following protocols operates over port 137 by default? LDAP RDP NetBIOS IMAP

IMAP

Which of the following protocols operates over port 143 by default? HTTPS RDP IMAP POP3

VDI

Which of the following refers to using virtual machines as a method of provisioning workstations for corporate users? SaaS VDI IaaS PaaS

Virtual internal network

Which of the following resources is used by virtual machines to communicate with other virtual machines on the same network but prevents them from communicating with resources on the internet? DNS Virtual external network Virtual internal network Network address translation

Wi-Fi

Which of the following technologies could be used in a licensed long-range fixed wireless system? Cellular Bluetooth NFC Wi-Fi

NFC

You are at the grocery store. At the checkout, you place your smartphone near the payment terminal to authorize the charge. Which of the following technologies did you use to make this purchase? NFC KVM Zigbee Smart card

Signature pad

You are at the grocery store. At the checkout, you slide your credit card through the payment terminal and then sign your name to authorize the charge. Which of the following did you MOST likely use to make this purchase? Signature pad NFC device Bluetooth reader Touchpad

Liquid cooling system

You are building a bitcoin mining workstation that will have multiple graphics cards, lots of memory, and an octa-core processor. This computer is expected to generate a lot of heat during its operations. Which of the following solutions would MOST efficiently dissipate all of the heat produced? Liquid cooling system High RPM fans Passive heat sink Replace the power supply with a more efficient model

External

You are building a virtualization environment to host public-facing servers that must connect to the internet. This will require that you install several secured Linux distributions as VMs. The VMs need to have access to a virtualized network and communicate with the host operating system and the internet. Which of the following types of network connections should you configure for each VM? Private External Internal Localhost

Type 2

You are building a virtualization server that runs on Windows Server 2016. The server will host multiple virtual machines, each with a different operating system. Which type of hypervisor should you select for this environment? Bare metal IaaS Type 2 Type 1

RAID 10

You are configuring a new server for a client. The client has purchased five 1 TB hard drives and would like the server's storage system to provide redundancy and double fault tolerance. Which of the following configurations would BEST meet the client's requirements? RAID 1 RAID 5 RAID 0 RAID 10

Static

You are configuring a print server on the network. Which type of IP address should you configure it with? Static APIPA Link-local Dynamic

MX

You are currently conducting passive reconnaissance in preparation for an upcoming penetration test against Dion Training. You are reviewing the DNS records for the company and are trying to identify which of their servers accept email messages for their domain name. Which of the following DNS records should you analyze? MX SRV TXT NS

Continuous reboot

You are troubleshooting a computer, and your supervisor believes that the issue is with the workstation's RAM. Which of the following symptoms did your supervisor likely observe? Continuous reboot Distended capacitors Burning smell Incorrect date/time on the workstation

HDD

You are troubleshooting a storage issue on a customer's computer. During the computer's operation, you hear a loud, rhythmic sound. Which of the following storage components is likely failing? M.2 PCIe RAM SSD HDD

Test the theory to determine the cause

You are working as a network technician and have been asked to troubleshoot an issue with a workstation. You have just established a theory of probable cause. Which of the following steps of the CompTIA troubleshooting methodology should you perform NEXT? Test the theory to determine the cause Identify the problem Verify full system functionality Establish a plan of action to resolve the problem

Liquid cooling Dedicated video card with GPU 7.1 Dolby Sound audio card 512 GB SSD

You have been asked by Dion Training to build a specialized computer that will be used exclusively as a gaming machine for beta testing some new video games they are developing. Which of the following should you install to BEST meet the company's needs? (Select FOUR) 512 GB SSD 7.1 Dolby Sound audio card Dedicated video card with GPU Liquid cooling 1 TB HDD CPU with integrated GPU

64 GB of DDR4 Intel i9 with 8-cores

You have been asked by Dion Training to build a specialized computer that will be used exclusively for running numerous virtual machines simultaneously for their lab environment. Which of the following should you install to BEST meet the company's needs? (Select TWO) 64 GB of DDR4 Intel i9 with 8-cores 1 TB HDD 8 GB of DDR3 Intel i3 with 2-cores 1 TB SSD

Perimeter network

You have been asked to configure your neighbor's SOHO network. Your neighbor wants to build a Minecraft server so that all their friends can play together over the internet. When configuring their firewall, where should you place the server? Perimeter network WAN LAN MAN

Change the orientation of the screen

You have been asked to fix a laptop with a screen image that is being displayed upside down. What is the BEST method to fix this issue? Change the orientation of the screen Replace the integrated GPU Replace the LCD panel Update the display drivers

Schedule an authorized downtime period, replace physical disk 3, rebuild the array, and confirm that the RAID is no longer reporting itself as degraded

Your company's file server is using a RAID 5 configuration. You just received an alert from the server that states that "RAID is degraded" and that the "Local Disk 0, Physical Disk 3 has failed". Which of the following is the BEST way to fix this error? Reconfigure the RAID 5 to a RAID 0 to avoid any downtime, then rebuild the array during the next authorized maintenance period, and confirm that the RAID is no longer reporting itself as degraded Schedule an authorized downtime period, replace physical disk 3, rebuild the array, and confirm that the RAID is no longer reporting itself as degraded Replace physical disk 3 immediately, rebuild the array, and confirm that the RAID is no longer reporting itself as degraded Format logical disk 0, manually configure a new RAID using the remaining good drives from the RAID 5 and confirm that the RAID is no longer reporting itself as degraded

Deploy the system image within a virtual machine, ensure it is in an isolated sandbox environment, then scan it for vulnerabilities

You have been asked to provide some training to Dion Training's system administrators about the importance of proper patching of a system before deployment. To demonstrate the effects of deploying a new system without patching it first, you ask the system administrators to provide you with an image of a brand-new server they plan to deploy. How should you deploy the image to demonstrate the vulnerabilities exposed while maintaining the security of the corporate network? Deploy the image to a brand new physical server, connect it to the corporate network, then conduct a vulnerability scan to demonstrate how many vulnerabilities are now on the network Deploy the vulnerable image to a virtual machine on a physical server, create an ACL to restrict all incoming connections to the system, then scan it for vulnerabilities Utilize a server with multiple virtual machine snapshots installed o it, restore from a known compromised image, then scan it for vulnerabilities Deploy the system image within a virtual machine, ensure it is in an isolated sandbox environment, then scan it for vulnerabilities

You forgot to apply thermal paste to the processor during the installation

You have been asked to replace the processor in a workstation. You remove the old processor, install the new processor into the motherboard slot, attach the heat sink, and attempt to power on the workstation. The workstation boots up but after a minute the computer shuts itself down. Which of the following steps did you MOST likely forget to perform? You forgot to close the ZIF socket You forgot to replace the RAM with parity memory You forgot to reattach the power cables to the case fans You forgot to apply thermal paste to the processor during the installation

The bulb's life counter needs to be reset The cooling fan needs to be cleaned or replaced

You have been asked to troubleshoot a digital projector in the home theater in your neighbor's basement. Your neighbor attempted to replace the projector's bulb, but after running for a few minutes, a message appears on the screen, and the projector turns itself off again. Based on these symptoms, what are the MOST likely causes of the projector continually turning off after just a few minutes of usage with a new bulb? (Select TWO) The bulb's life counter needs to be reset Incorrect video resolution setting The brightness needs to be increased A higher lumen bulb must be installed The video driver on the media player needs to be updated The cooling fan needs to be cleaned or replaced

APIPA

You have connected a new Smart TV to your home network and powered it on. When you try to access Netflix, you receive an error. You check the Network Status menu and see an IP address of 169.254.0.24. Which of the following types of IP addresses has your new Smart TV been assigned? Public Link-local APIPA Private

File sharing

You have just finished building a Windows server, installing its operating system, updating its security patches, formatting a dedicated data partition, and creating accounts for all of the company's employees. What is the next thing that must be configured to provide users with the ability to access the data contained on the server's data partition? File sharing Print server RAID storage Audit logging

Update the firmware of the motherboard

You have just installed a new hard disk drive into your computer, but the motherboard does not recognize it within the BIOS/UEFI. You have verified the drive is properly connected to the motherboard and the power supply with the correct cables, but it still is not recognized. Which of the following actions would BEST solve this problem? Format the new hard drive as FAT-32 Configure a RAID in the BIOS/UEFI Format the new hard drive as NTFS Update the firmware of the motherboard

Extended mode

You have just installed a second monitor for a bookkeeper's workstation so they can stretch their spreadsheets across both monitors. This would essentially let them use the two monitors as one combined larger monitor. Which of the following settings should you configure? Refresh rate Extended mode Color depth Resolution

SaaS

You have signed up for a web-based appointment scheduling application to help you manage your new IT technical support business. What type of solution would this be categorized as? PaaS SaaS DaaS IaaS

Pairing the device

You just bought a new car and want to use the built-in stereo to make and receive calls on your smartphone. Which of the following should you perform to connect your smartphone to the car stereo? Installing the device drivers Pairing the device Enabling NFC Enabling Wi-Fi

Verify the case fans are clean and properly connected

You just replaced a failed motherboard in a corporate workstation and returned it to service. About an hour later, the customer complained that the workstation is randomly shutting down and rebooting itself. You suspect the memory module may be corrupt, and you perform a memory test, but the memory passes all of your tests. Which of the following should you attempt NEXT in troubleshooting this problem? Remove and reseat the RAM Verify the case fans are clean and properly connected Replace the RAM with ECC modules Reset the BIOS

Replace the toner cartridge in the printer

You see some fading across your papers when printing things using a laser printer. The black color appears to be more faded than the other colors on your documents. What is the BEST solution to this problem? Replace the toner cartridge in the printer Change the feed rate of the paper Clean the printer's transfer roller Increase the temperature of the fuser element

VPN

Your company has an office in Boston and is worried that its employees may not reach the office during periods of heavy snowfall. You have been asked to select a technology that would allow employees to work remotely from their homes during poor weather conditions. Which of the following should you select? VPN IDS VLAN NAT

802.11ac

Your company is currently using a 5 GHz wireless security system, so your boss has asked you to install a 2.4 GHz wireless network to use for the company's computer network to prevent interference. Which of the following can NOT be installed to provide a 2.4 GHz wireless network? 802.11ac 802.11n 802.11b 802.11g

DC jack

Your son accidentally knocked his laptop off his desk while it was charging. Your son picks up the laptop and notices that the laptop's battery will no longer charge. You begin to troubleshoot the problem to identify the cause. You ensure the laptop is connected to the power adapter and that the power adapter is plugged into a power outlet, but the laptop's battery will still not charge. Which of the following components was MOST likely damaged when the laptop was knocked off of the desk? DC jack Power adapter Battery Hard drive

USB 4-port hub

Your son has a gaming laptop in his bedroom. He loves his laptop since it allows him to take it over to his friend's houses when desired, but his laptop only has 1 USB port. When he gets home, though, he prefers to use a USB mouse, keyboard, and webcam when playing games on his laptop. He only has $20 saved up but wants to buy a device that would allow him to connect all 3 of these peripherals with one USB connector. Which of the following do you recommend he purchase? USB 4-port hub Docking Station Thunderbolt Port replicator