CompTIA A+ 220-1001

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 (SSH) , 443 (HTTPS)

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

6

Which of the following wireless standards is only capable of 5GHz frequencies? A. 802.11a B. 802.11ac C. 802.11b D. 802.11g

802.11a

Which of the following peripherals would a company use to take inventory quickly and update price tags for products? (Choose two.) A. Barcode scanner B. Label printer C. Magnetic reader D. KVM switch E. NFC device F. Flatted scanner

Barcode scanner Magnetic reader

Which of the following features will save the battery life of a laptop significantly if they are disabled? (Choose two.) A. Touchpad B. Volume C. Screen orientation D. Cellular E. Bluetooth F. Fingerprint reader

Cellular Bluetooth

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 settings in antivirus. B. Change the security settings of the email client. C. Change the firewall security settings. D. Change the email proxy settings. E. Change the trusted sites in the browser settings.

Change the security settings of the email client.

Ann, a user, reports that after setting up a new WAP in her kitchen she is experiencing intermittent connectivity issues. Which of the following should a technician check FIRST? A. Channels B. Frequency C. Antenna power level D. SSID

Channels

A workstation was just moved to a new work location without a surge protector. It was working the day before, but now the PC will not power on, the fans will not spin, and there are no signs of activity. Which of the following should the technician do FIRST? A. Check the power cable connection B. Check the voltage of the PSU with a tester C. Test for distended capacitors D. Check the voltage switch

Check the power cable connection

An employee's mobile device no longer charges, and the employee believes the battery is bad. A technician tests the mobile device and finds it will charge on a wireless charging pad but not when it is connected to a charging cable. Other devices charge without issue when the cable is used. Which of the following should the technician perform FIRST to resolve the issue? A. Clean out the charging port on the device B. Replace the mobile device's battery C. Issue a new charging cable to the employee D. Send the device for service and give the employee a loaner

Clean out the charging port on the device

Joe, a user, sets up an IMAP connection on his smartphone to connect to webmail. Joe is able to view email, but he receives an error message when trying to send a message. When viewing the mail client's configuration, Joe sees a valid SMTP server and port. Which of the following should Joe check NEXT to resolve the issue? A. Configure the email account as a POP3 connection B. Ensure the SSL/TLS option is being used C. Check that the account password is still valid D. Make sure the smartphone is not in airplane mode

Configure the email account as a POP3 connection

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 the device to a printer. B. Install the operating system. C. Install a USB keyboard and mouse. D. Connect the device to the network. E. Install the latest system updates. F. Install the latest device drivers. G. Connect the device to a monitor. H. Install the necessary applications.

Connect the device to the network. Install the latest system updates. Install the necessary applications.

Which of the following is the MOST likely cause for a network PC to have an APIPA address? A. DHCP failure B. DNS resolution C. Duplicate IP address D. Cleared ARP cache

DHCP failure

The ability for new computers to be automatically connected to the network is provided by the: A. DHCP server B. DNS server C. proxy server D. TACACS server

DHCP server

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

DNS

A user is unable to access websites and has reported connectivity issues with pop-ups on the screen. A technician removes malware, and then is able to ping the router and access the websites. Which of the following NEXT steps should the technician perform in troubleshooting this issue? (Choose two.) A. Documents findings, actions, and outcomes. B. Reboot the device to verify the fix. C. Reconnect the device to the network. D. Verify the settings in IPConfig. E. Research the problem based on symptoms. F. Run a virus scan.

Documents findings, actions, and outcomes. Run a virus scan.

Which of the following devices is used to implement network security policies for an environment? A. Firewall B. managed switch C. Repeater D. Gateway

Firewall

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

Four-core processor

A technician receives a cellular from a manager. The technician is instructed to download a service manual directly from the Internet to a laptop. However, there is no WiFi signal or wired Ethernet. Which of the following would be the MOST appropriate connections for the technician to use? A. Hotspot B. NFC C. Bluetooth D. VPN

Hotspot

A systems administrator is configuring a server to host several virtual machines. The administrator configures the server and is ready to begin provisioning the virtual machines. Which of the following features should the administrator utilize to complete the task? A. Hypervisor B. Disk management C. Terminal services D. Device Manager E. Virtual LAN

Hypervisor

Which of the following is the main purpose of the +5VSB output of a power supply? A. It allows peripherals to draw power when the machine is off B. It provides power to the audio and sound boards of the machine C. It acts as the main voltage supply to the motherboard and processor D. It powers all expansion cards and external device hubs

It allows peripherals to draw power when the machine is off

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. Mouse D. Keyboard

KVM

A customer contacts the help disk stating a laptop does not remain charged for more than 30 minutes and will not charge more than 15%. Which of the following components are the MOST likely causes the issue? (Select three.) A. LCD power inverter B. AC adapter C. Battery D. Processor E. VGA card F. Motherboard G. Backlit keyboard H. Wireless antenna

LCD power inverter AC adapter Battery

A technician needs to call a user's cellular provider to troubleshoot a network speed issue with the user's 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

Long-term evolution

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

Loose battery connection

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

MAN LAN

Which of the following technologies can be used for wireless payments? A. NFC B. Bluetooth C. IR D. LTE

NFC

A user wants to build a computer with a high-end CPU, plenty of RAM, and a high-end graphics card for online gaming. The user wants to verify that the graphics card is compatible with the motherboard. Which of the following connection types would the user MOST likely utilize to connect the video card to the motherboard? A. PCle B. ISA C. AGP D. USB

PCle

Joe, a user, reports that his new smart wearable device is not synchronizing to his mobile device. Both devices are powered on, but the mobile device fails to read the data from the wearable. Which of the following will MOST likely fix this issue? A. Pair the devices B. Set the SSID C. Update the smart wearable device firmware D. Enable NFC

Pair the devices

A technician was called to check an unexpected clicking noise on a desktop that has become more frequent every time a video editing application is loaded. The system fans have been replaced, but the clicking noise remains. Diagnostics have been run on the video card. Which of the following should me the technician do FIRST? A. Replace the hard drive. B. Replace the video card. C. Do a System Restore. D. Perform a full data backup. E. Scan the system for viruses.

Perform a full data backup.

A technician is hired to install network cable in a crawl space running the length of a hallway. To do so without a fire code violation, which of the following types of cable should the technician run? A. Fiber B. Plenum C. Shielded D. Coaxial

Plenum

A customer recently moved a high-end graphics card from a known-working computer to a different computer. The computer works without issue when viewing email and web pages or when using certain applications. However, when a game with high-end graphics requirements is opened, the program will run for a few minutes before the computer shuts down. Which of the following is MOST likely causing the problem? A. Power supply wattage B. Video RAM C. CPU frequency D. Monitor resolution

Power supply wattage

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

RAID 5 array

A user accidentally spills liquid on a laptop. The user wants the device to be fixed and would like to know how much it will cost. Which of the following steps should the technician take NEXT to verify if the device is repairable before committing to a price? (Choose two.) A. Remove the case and organize the parts. B. Document the screw locations. C. Search the Internet for repair tutorials. D. Consult colleagues for advice. E. Place the device in rice for a few days.

Remove the case and organize the parts. Document the screw locations.

A technician needs to routinely run scripting commands in Linux but 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 a fully partitioned 500GB hard drive. Which of the following steps should the technician take to resolve this issue? (Choose two.) A. Increase the memory to 8GB. B. Install a Linux guest VM. C. Add another 500GB hard drive. D. Create a Linux LiveBoot CD. E. Repartition the hard drive. F. Install Linux on a new ext3 partition.

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

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 bottlers

Replace the toner cartridges Clean the paper tray rollers

A technician has been asked to fix a problem with a projector. The projector lamp turns off for brief periods during a demonstration. After the technician replaced the lamp, the problem continued with an added message that appears just before the lamp turns off. Which of the following MOST likely need to be performed? (Choose two.) A. Reset the lamp life counter B. Replace the cooling fan C. Adjust the brightness D. Update the laptop video driver E. Install a higher lumen lamp F. Change the video resolution

Reset the lamp life counter Replace the cooling fan

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

Resource pooling

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 monitors C. Gigabit NIC D. Hypervisor E. Docking station F. NAS

SSD Dual monitors

A systems administrator receives a notification from the RAID controller that the RAID 5 array is degraded. Upon logging into the server, the administrator sees that on local disk 0, physical disk 2 has failed. Which of the following is the BEST course of action to take to resolve the problem? A. Schedule system downtime and replace physical disk 2. Wait until the array is rebuilt and confirm in the RAID controller that the system is no longer degraded. B. Immediately replace physical disk 2. Wait until the arrays is rebuilt and confirm in the RAID controller that the system is no longer degraded. C. Delete logical disk 0 and manually configure a new RAID array only using the known-good working drives. Wait until the array is rebuilt and confirm in the RAID controller that the system is no longer degraded. D. In the controller, convert the RAID 5 array to RAID 0 array to avoid system downtime. Wait until the array is rebuilt and confirm in the RAID controller that the system is no longer degraded.

Schedule system downtime and replace physical disk 2. Wait until the array is rebuilt and confirm in the RAID controller that the system is no longer degraded.

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

Shared printer

Which of the following devices can utilize VLANs to secure networks? A. Switch B. Hub C. Repeater D. Bridge

Switch

Which of the following devices performs forwarding decisions based on MAC addresses? A. Hub B. Router C. Switch D. Repeater

Switch

A user is connected to a docking station with an optical drive and is trying to back up personal files to removable media, but is encountering write errors. Which of the following is MOST likely cause of the errors? A. The disk has already been finalized B. The files are encrypted C. There is a corrupt file on the hard drive D. The files are not compatible with the type of disk used

The disk has already been finalized

A technician replaced a broken LED screen on a mobile computer. The operating system can be seen perfectly on screen, but the touch screen is non-responsive. Which of the following are the MOST probable root causes for the given failure? (Choose three.) A. The hardware replacement used is a non-touch-screen. B. The touch screen must be calibrated after a replacement. C. The digitizer cable is not seated properly on the motherboard. 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.

The hardware replacement used is a non-touch-screen. The digitizer cable is not seated properly on the motherboard. The new touch-screen drivers must be installed.

The graphics 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 network connection is set to half duplex B. The print server is timing out C. The users are not printing in post-script mode D. The printer needs more RAM

The printer needs more RAM

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

There are conflicting DHCP servers on the network

Some users are unable to access the Internet form their workstations. A technician runs the ipconfig command on one of the workstations and sees the following: IPv4 address 192.168.1.27 Subnet mask 255.255.255.0 Default gateway 192.168.1.1 A. There is a problem with a router in the office B. There is a problem with a DNS server in the office C. The users are not getting correct IP addresses from the DHCP server D. The wireless access point in the area is down

There is a problem with a router in the office

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 is 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 overlocked E. The firmware is out-of-date

There is not enough PSU output

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 the wireless network and set a strong password. B. Enable two-factor authentication for the IoT device's cloud account, if it is available. C. Separate the IoT thermostat by segregating it in a DMZ network. D. Disable wireless access on the thermostat to make it unshakable. E. Upgrade the customer's router to the latest version to improve network security. F. Upgrade the customer's wireless network encryption to WPA.

Use the latest encryption standard on the wireless network and set a strong password. Separate the IoT thermostat by segregating it in a DMZ network.

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

Virtual CPU

The cloud model that represents a company maintaining some data in on-premise storage and some data in cloud-based storage is known as: A. hybrid B. private C. public D. community

hybrid

The feature that allows users to store files in cloud-based when necessary, but can be removed when space is freed up, is known as: A. on-demand B. resource pool C. synchronization application D. shared resources

on-demand