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CompTIA/A+ 220-1001

CompTIA A+ 220-1001 (3)

gigworker 2020. 4. 12. 04:43

QUESTION 15
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.

Correct Answer: A

QUESTION 16
Several 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 sign-on.
B. Enable multifactor authentication.
C. Configure biometric authentication.
D. Remove complex password requirements.

Correct Answer: A

QUESTION 30
Which of the following devices can be used to connect multiple devices within broadcasting to every network port?
A. Unmanaged switch
B. Hub
C. Firewall
D. Cable modern

Correct Answer: A

QUESTION 31
A technician is setting up a Windows mobile device for a user who had trouble reading text on a previous device, especially at night. Which of the following adjustments would be MOST appropriate?
A. Use the magnifier.
B. Increase the resolution.
C. Use haptic feedback.
D. Utilize text-to-speech.

Correct Answer: A

QUESTION 32
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

Correct Answer: C

QUESTION 34
A technician upgraded the memory on a server from two 8GB sticks to eight 32GB. The server memory is now at full capacity per the user guide. When the technician powers on the system, only 128 GB 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.

Correct Answer: D

QUESTION 37
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
 
Correct Answer: DE

QUESTION 38
Which of the following technologies can be used for wireless payments?
A. NFC
B. Bluetooth
C. IR
D. LTE

Correct Answer: A

QUESTION 39
A technician is ordering a new motherboard and processors 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 get the BEST performance while minimizing licensing fees?
A. A dual-processor motherboard with six hyper threaded cores each.
B. A single-processor motherboard with hyper threaded eight cores.
C. A dual-processor motherboard with eight overclocked cores each.
D. A single-processor motherboard with ten overclocked cores.

Correct Answer: D

QUESTION 43
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.

Correct Answer: EF

QUESTION 45
Which of the following devices is used to implement network security policies for an environment?
A. Firewall
B. managed switch
C. Repeater
D. Gateway

Correct Answer: A

QUESTION 46
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.
 
Correct Answer: ACD

QUESTION 52
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

Correct Answer: A

QUESTION 53
A technician is replacing the LCD panel in a laptop. Which of the following components is MOST likely to be damaged accidentally during the repair?
A. Bezel
B. Hinge
C. Motherboard
D. Digitizer

Correct Answer: D

QUESTION 54
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. The is not enough PSU output
C. There is an onboard RAM mismatch
D. GPU is overlocked
E. The firmware is out-of-date

Correct Answer: B

QUESTION 61
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

Correct Answer: A

QUESTION 62
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

Correct Answer: AC
 
QUESTION 63
A laptop is connected to a conference room projector in extended display mode. The desktop icons 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

Correct Answer: A 

QUESTION 64
Which of the following wireless standards is only capable of 5GHz frequencies?
A. 802.11a
B. 802.11ac
C. 802.11b
D. 802.11g
 
Correct Answer: A
 
QUESTION 65
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 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 set to half-duplex

Correct Answer: A
 
QUESTION 66
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

Correct Answer: A
 
QUESTION 67
An ISP has notified a SOHO user of a usage increase on the user’s network. The user is concerned the WiFi network is being utilized by unauthorized users. Which of the following would minimize the unauthorized use of the WiFi network?
A. Implement MAC filtering
B. Enable NAT
C. Create a network DMZ
D. Upgrade the encryption standards

Correct Answer: A
 
QUESTION 68
Which of the following services provides the ability to resolve UNC to appropriate IP addresses?
A. DNS
B. DHCP
C. Proxy
D. Web server

Correct Answer: A 

QUESTION 71
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

Correct Answer: A 

QUESTION 72
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

Correct Answer: A

QUESTION 73
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

Correct Answer: A
 
QUESTION 74
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

Correct Answer: A
 
QUESTION 75
Which of the following connects a PC to its default gateway?
A. NIC
B. Switch
C. Router
D. Cable modem

Correct Answer: B

QUESTION 76
Joe, a user, reports that his new smart wearable device is not synchronizing with 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

Correct Answer: A

QUESTION 77
A technician is troubleshooting WiFi issues with a laptop user in a corporate office. The user can connect to web pages without trouble; however, the user cannot connect to the email server or print a locally stored document to the network printer. The technician cannot ping the mail server or the network printer. No other users are experiencing this issue. Which of the following is MOST likely causing the issue?
A. The laptop has an APIPA address
B. The laptop is configured to the wrong default gateway
C. The laptop is connected to the guest WiFi
D. The laptop is configured with a static IP

Correct Answer: C 

QUESTION 78
Which of the following connector types can be plugged into a device both right-side up and upside down?
A. USB
B. USB-C
C. Mini-USB
D. Micro-USB

Correct Answer: B

QUESTION 79
A user is experiencing issues synchronizing a smartphone. The user is able to connect to individual services, but each requires a different password. Which of the following needs to be configured to allow the user to access web services securely with a unique password?
A. SIM
B. SMB
C. SSL
D. SSO

Correct Answer: D