comptia a+

108.Which of the following ports are used for secure sessions?(Select Two) A.22 B.23 C.25 D.80 E.110 F.443

22,443

99.Which of the following services provides the ability to resolve UNC to appropriate IP Addresses? A.DNS B.DHCP C.Proxy D.Web Server

A. DNS

93.Which of the following devices make decisions based on MAC Addresses? A.Switch B.Router C.Hub D.Repearter

A. Switch

80. An end user has signed up to use a web-based calendar application. Which of the following solutions has the user purchased? A. DaaS B. SaaS C. PaaS D. laaS

B. SaaS

84.Which of the following connects a PC to its default gateway? A.NIC B.Switch C.Router D.Cable Modem

C.Router

36.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. 21

54.Which of the following channels would commonly be used on an 802.11 wireless network? A.6 B.17 C.802 D.8080

A. 6

96.A network Administrator is attempting to access the firewall while inside the datacenter. Which of the following peripherals must be connected to do so? A.KVM B.Touchpad C.Mosue D.Keyboard

A. KVM

6.During an inspection, it was found that data racks were not properly grounded. To pass the inspection and address a growing concern to protect data cabling and equipment, a technician must make sure all racks are properly grounded. Which of the following tools should the technician use to verify this has been completed? A. Multimeter B. Cable tester C. Tone generator D. Voltmeter

A. Multimeter

100.Which of the following wireless standards is only capable of frequencies? A.80211a B.802.11ac C.802.11b D.802.11g

A.80211a

90.A technician is replacing the LCD panel in a laptop. Which of the following components is most likely to be damage accidentally during repair? A.Bezel B.Hinge C.Motherboard D.Digitizer

A.Bezel

60.A projector's image begins to flicker during a presentation. The laptop display does not produces 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 of the laptop D.Change the settings of the projector

A.Check the connectivity of the VGA cable.

74.A user reports that a laptop is not connecting to the corporate wireless network. A technician confirms with a smartphone that the corporate wireless network is available and can be accessed. The technician observes that the ethernet connection to the corporate network is working. The technician disconnects the Ethernet cable. Which of the following should the technician do next to troubleshoot this problem? A.Confirm that the laptop wireless card is turned on B.Confirm that the laptop is in range for the access point C.Confirm that the correct wireless network is selected D.Confirm the user's network login ID and password

A.Confirm that the laptop wireless card is turned on

16.A network administrator must install a device that will proactively stop outside attacks from reaching the LAN. Which of the following devices would BEST meet the organization's needs? A.IPS B.IDS C.Proxy Sever D.Authenication Sever

A.IPS

53.Serveral company users are frequently forgetting passwords for their mobile devices and applications. Which of the following should the systems administrator do to reduce the number of help desk tickets submitted? A.Implement single-on B.Enable multifactor authentication C.Configure biometric authentication D.Remove complex password requirements

A.Implement single-on

119.A technician needs to call a user cellular provider to troubleshoot a network speed issue with the user mobile device. Which of the following technologies is the technician troubleshooting? A.Long term evolution B.Near Field Communication C.Radio Frequency ID D.Z-wave

A.Long term evolution

56.A client has three locations within city limits that need to be networked. The Vendor network requirements for all three locations are a minimum of 1GB. Which of the following are types of networks that will most likely be used for internal offices and office to office network?(Select Two) A.MAN B.LAN C.WAN D.PAN E.SAN F.WLAN

A.MAN B.LAN

106.About one week ago, access to files on a network server became significantly slower. Today, network files are completely unavailable. A technician is able to make a remote connection to the server. Which of the following should the technician check next? A.RAID 5 Array B.NIC Configuration C.Available storage space D.RAM utilization

A.RAID 5 Array

49.In a virtual environment, which of the following allows all the VMs to have RAM allocated for use? A.Resource Pooling B.Measured Service C.Virutal application streaming D.Synchronization

A.Resource Pooling

24.A customer asks a technician to help set up a specialized computing system for video editing. Which of the following should the technician install on the workstation to BEST meet the customer's specifications? (Choose two.) A.SSD B.Dual Monitor C.Gigabit NIC D.Hypervisor E.Docking Station F.NAS

A.SSD B.Dual Monitor

113.A technician is setting up a printer for a small office that does not have an RJ45 jack. The user's computer 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

A.Shared printer

98.An engineer is working at a remote site that does not have internet access. Which of the following feature should the engineeer 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.Tethering

73.A technician is troubleshooting a mobile computer. The operating system can be seen perfectly on screen, but the toulch screen is non-responsive. Which of the following are the most probable root causes for the given failure?(Select Three) A.The hardware replacement used is a non-touch screen version B.The touch screen must be calibrate after a replacement D.The new touch-screen drivers must be installed E.The replacement part is dead on arrival F.The LCD panel firmware must be updated G.The grounding screws are not securely attached.

A.The hardware replacement used is a non-touch screen version D.The new touch-screen drivers must be installed E.The replacement part is dead on arrival

110.The graphics department has an issue with printing certain files. The printer does not print the complete image on larger files. A technician verifies the network speed of the printer is set to 1GB and that regular text files print without issue. Which of the following is the most likely cause of this problem? A.The printer needs more RAM B.The print server is timing out C.The users are not printing in post script mode D.The printer network connection is to half duplex

A.The printer needs more RAM

39.A technician is setting up a WiFi-enabled thermostat for a customer, but the customer is concerned about IoT devices getting hacked. Which of the following BEST address the customer's concerns? (Choose two.) A.Use the latest encryption standard on a wireless network and set a strong password B.Enable two factor authentication for IoT devices cloud account if it's available C.Seperate the IoT thermostat by segregating it into a DMZ network D.Disable a wireless access on a thermostat to make it unshakable E.Upgrade rhe customer's router to the lasted version to improve network security. F.Upgrade the customer's wireless network to WPA

A.Use the latest encryption standard on a wireless network and set a strong password C.Seperate the IoT thermostat by segregating it into a DMZ network

3.A user is experiencing email problems and explains to a technician that all emails with graphics or images do not display the graphics. Which of the following configurations would correct this behavior? A. Change the email proxy settings. B. Change the security settings of the email client C. Change the firewall security settings. D. Change the trusted sites in the browser settings. E. Change the email settings in antivirus.

B. Change the security settings of the email client

71.A customer wants to purchase a new home computer. The machine will mainly be used for Internet browsing and streaming video, except on weekends when the customer's son will use it to play games with friends. Which of the following should the technician focus on to meet these requirements?(Select Two) A.80mm case fans B.Four-core processor C.RAID 5 Array D.16GB DDR2 memory E.Dual monitors F.Encrypted hard drive

B.Four-core processor E.Dual monitors

111.A shipping department is having problems with its thermal label printer. Two columns on the left are not appearing on all labels. Which of the following should a technician do first? A.Verify the ribbon is correctly aligned to the label B.Run a label calibration C.Remove stuck labels from the print path D.Replace the print head

B.Run a label calibration

115.Ann, an accountant, reports that after turning on her new laptop, she received a message stating her IP Address is already in use on the system. She tried going back to her old desktop, which she now only uses for email, but received the same message. The technician checks the account and sees a comment that Ann requires a special network setup to connect the banking software. Which of the following should the technician do to resolve this issue? A.Remove the static IP configuration from the desktop B.Set the laptop configuration to DHCP to prevent conflicts C.Replace the network card in the laptop, as it may be defective D.Bridge the LAN connection between the laptop and the desktop

B.Set the laptop configuration to DHCP to prevent conflicts

116.A technician is replacing an older video card with a new high end video card in a workstation. The installation was successful, the new card seated properly, and power is connected. However, upon booting the computer now emits several beeps and will not boot, but shows no error messages. Which of the following most likely the cause of this issue? A.The BIOS is out of date B.There is not enough PSU output C.There is an onboard RAM mismatch D.GPU is overclocked E.The firmware is out of date

B.There is not enough PSU output

81. A technician is setting up a VM for use in testing software deployments. The VM is offline, but the hypervisor is not. Which of the following settings should the technician change to resolve this issue? A. Virtual security B. Virtual storage C. Virtual CPU D. Virtual switch E. Virtual RAM

C. Virtual CPU

18.A printer stops working in the billing department and cannot be repaired. A new printer has been ordered and a technician is tasked with allowing other users to print to the billing manager's printer until the new printer arrives. The manager's printer is currently used via USB connection, and there are no network jacks available for use. Which of the following is the BEST way for the technician to allow access to the printer? A.Create a share on the manager's computer and give the user rights to the share. B.Install the printer on the user's desktop and point it to the manager's computer. C.Purchase a wireless printer so the user can access the printer via network. D.Provide flash drives for the user so they can transfer the files to the manager computer for printing

C.Purchase a wireless printer so the user can access the printer via network.

45.An analyst asks a technician to recommend a solution for a customer in the software development industry, where the customer can test a variety of Oss running various applications that customer produces. The customer wants to minimize the investment in hardware. Which of the following solutions should the technician recommend to best meet the customer's requirement? A.Purchase a number of low cost devices, installing the required Oss and applications on each one. Use separate machine for each testing environment. B.Purchasing a high-end system meeting the hardware requirements for all of the individual Oss and applications. Configure a VM for each testing environment. C.Purchase one computer and create images for each computer configuration and OS re-image the machine for testing environment. D.Purchase a number of computers, installing a VM on each on. Configure each VM with an OS for testing environment.

C.Purchase one computer and create images for each computer configuration and OS re-image the machine for testing environment.

14.Which of the following cloud computing concepts allows scalable services to be provided to the client? A.On Demand B.Metered C.Rapid Elasticity D.Resource Pooling

C.Rapid Elasticity

75.Whenever a user's machine is turned on, a black screen appears prompting the user for an administrative password. The technician has no such password on file for this machine. Which of the following steps should the technician take to resolve this issue? A.Press and hold the CPU power button for five seconds, and then power back on B.Disconnect and reconnect the internal hard drive C.Remove the CMOS battery and reinsert it after ten seconds D.Remove the motherboard and place it back it the machine after ten minutes

C.Remove the CMOS battery and reinsert it after ten seconds

11.A technician is troubleshooting a laptop/projector combination that is displaying artifacts on the screen. When a different laptop is connected to the projector, the image appears to be correct but is very dim. Which of the following steps should the technician take to address these issues? (Choose two.) A.Update the video drivers on the laptop. B.Increase the projector contrast. C.Replace the original laptop. D.Change the aspect ratio on the projector. E.Replace the bulb in the projector. F.Modify the laptop's display resolution.

C.Replace the original laptop. E.Replace the bulb in the projector.

122.A ghosted image appears on the monitor at a user's desk. After looking into the issue, a technician determines it is burn in on the monitor. The technician replaces the monitor. Which of the following should the technician do to best prevent this from happening again?(Select TWO) A.Change the desktop wallpaper image B.Schedule daily restart on the PC C.Set a screen saver with rotating images D.Change the display scaling E.Have the user power off the monitor when it is not in use F.Set screen time out of settings

C.Set a screen saver with rotating images F.Set screen time out of settings

101.Which of the following is used connect a headset to a laptop? A.eSATA B.BNC C.RG-6 D.USB

D. USB

66.A technician is ordering a new motherboard and processor for a company email server. When reviewing the vendor licensing agreement, the technician sees that there is a flat per-socket licensing fee. Which of the following motherboard processor combinations should the technician order to get the best performance while minimizing licensing fees? A.A dual-processor motherboard with six hyper threading cores each B.A. single-processor motherboard with eight hyper threaded cores C.A dual-processor motherboard with eight overclocked cores each D.A single-processor motherboard with ten overclocked cores

D.A single-processor motherboard with ten overclocked cores

117.A user printed several documents to a shared network copier and noticed that they have very faint color density. A technician investigates the issue and verifies that the printer had a maintenance kit installed recently. Which of the following next steps will most likely resolve the issue?(Select Two) A.Replace the toner cartridges B.Replace the fuser module C.Clean the paper tray rollers D.Adjust the printer settings E.Replace the developer F.Empty the waste toner bottles

D.Adjust the printer settings E.Replace the developer

40.A server administrator set up a VM to be used in a lab setting. A technician is setting up thin-client computers to access this VM. Which of the following tasks are required to complete the project? (Choose three.) A.Connect thr device to a printer B.Install an operating system C.Install a USB keyboard and Mouse D.Connect the device to a network E.Install the latest system update F.Connect the device to a monitor H.Install the necessary applications

D.Connect the device to a network E.Install the latest system update H.Install the necessary applications

50.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

D.Digitizer settings

105.A laptop is connected to a conference room projector in extended display mode. The desktop icon appear normal on the laptop, but are disproportionate and illegible on the projector screen. Which of the following should the technician check? A.Video Resolution B.HDMI Connection C.Keystone D.Focus

D.Focus

12.A user's laptop is shutting down unexpectedly. The technician discovers the shutdowns only happen when the laptop is moved from one room to another. The technician reseated the hard drive, memory, battery, and LCD cable, but the laptop continues to shut down. Which of the following is the MOST probable cause of the issue? A.Residual energy on the motherboard B.System overheating C.Distended capacitors D.Loose battery connection E.CMOS Battery Failure

D.Loose battery connection

69.A technician needs to routinely run scripting commands in Linux to does not want to walk over the server room every time to perform the task. The technician also travels between buildings and has a Windows 10 laptop with 4GB of memory and fully partitioned 500GB hard drive. Which of the following steps should the technician take to resolve this issue? (Select Two) A.Increase the memory to 8GB B.Install a Linux guest VM C.Add another 500GB D.Create a Linux LiveBoot CD E.Repartition the hard drive F.Install Linux on a new ext3 partition

E.Repartition the hard drive F.Install Linux on a new ext3 partition