A user, Anne, downloaded an Android app directly from a developer's website and is unable to install it on her smartphone. Which of the following will allow Anne to install the app?
A. Install a recovery image
B. Allow apps from unknown sources
C. Enable near field communication
D. Gain root access
An administrator, Ann, wants to be able to access a customer's router interface from a remote location. Ann always has to have the customer print out the current router settings before she can remotely manage the router. Which of the following should Ann do to eliminate this extra step before connecting to the router remotely?
A. Change the default user name and password
B. Request a static IP from the ISP
C. Enable the remote management port
D. Enable port forwarding on the router
Joe, a technician, is asked by another technician at his company to identify the host name of a device using a specific IP address. Which of the following commands would be used to obtain this information?
A. NSLOOKUP
B. IPCONFIG
C. PING
D. NETSTAT
A user's computer consistently shuts down several minutes after booting. When the technician reboots the computer, a message stating "CPU fan failure" appears. Which of the following is the MOST likely reason the computer shuts down?
A. Overheating
B. Power supply failure
C. Faulty CPU
D. High humidity
Ann, a user, reports that she is unable to connect to any local network resources or Internet sites. The technician discovers that her IP address is 169.254.13.197. Which of the following is MOST likely the cause?
A. Incorrect username and password credentials
B. Rogue HOSTS file entries
C. Not able to reach a DHCP server
D. Incorrect subnet mask
A user claims that they recently had a virus infection and even after the infection was cleared, the user's web browser is still redirected to the same incorrect website when it is opened. Which of the following should the technician check FIRST?
A. Verify that the browser's cookies have been cleared.
B. Run an IPCONFIG /FLUSHDNS.
C. Check that the browser version is the latest release.
D. Run an IPCONFIG /ALL and verify the correct DHCP server.
A computer is displaying an "Operating system is not found" error whenever it is powered on. The computer is secured in a cabinet, so that only the front panel is accessible. The technician boots from a Windows installation CD and finds that there is a Windows folder on the computer. Before attempting a re- installation of the operating system, which of the following should the technician do NEXT?
A. Change the boot order in the BIOS so that hard drive is the first bootable device.
B. Start Recovery Console from the Windows installation CD and run FDISK.
C. Start Recovery Console from the Windows installation CD and run a CHKDSK /R.
D. Perform a side-by-side installation of Windows on the hard drive from the installation CD.
A technician is troubleshooting a reported wireless connectivity problem with a user's laptop. The 802.11a access point is located in one of the corners of a square office with 100 meter walls, while the user's office is on the opposite corner. The user's laptop is able to wirelessly pair with a printer located in the middle of the office and the user can print in ad hoc mode. Which of the following is the reason the user is unable to connect to the Internet?
A. 802.11a only supports ad hoc mode.
B. The laptop NIC is faulty.
C. RF signal is not received from the WAP.
D. The printer is not connected to the WAP.
A user states that their computer sounds like a hair dryer after being on for 15-20 minutes. The user also states that if they turn the computer off for 5-10 minutes and then turn it back on, it will run just fine for another 15-20 minutes before starting the noise again. The technician finds no problems with any of the internal fans. Which of the following is the MOST likely issue?
A. Defective RAM has been installed in one slot
B. Heatsink is defective or needs to be reseated
C. Incorrect voltage selection on power supply
D. CPU is not compatible with the video card
A user calls the helpdesk to report that print jobs coming from a laser printer in the office are losing most of their toner due to being touched by hand smudge. The printer was recently serviced with a new fuser unit. Which of the following problems is MOST likely affecting the printer?
A. The fuser is not heating up to proper temperature levels necessary.
B. The pickup rollers are likely dirty and leaving paper dust on all printed pages.
C. The printer's firmware was not updated with the installation of the new fuser.
D. The fuser was installed backwards and is not evenly heating printed pages.
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