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Following questions and answers are all new published by CompTIA Official Exam Center: https://www.lead2pass.com/220-902.html
QUESTION 1
A technician is configuring a SOHO router to ensure network computers can only use secured protocols on the Internet. Which of the following ports should be allowed?
A. 143
B. 23
C. 443
D. 3269
E. 3389
Answer: C
QUESTION 2
A technician is noticing extremely slow performance on a computer and would like to see what application is consuming resources. Which of the following tools should the technician use to view the system.
A. msconfig
B. Task manager
C. Event Viewer
D. netmon
Answer: B
QUESTION 3
Which of the following updates should be performed on a regular basis to ensure the OS has the latest security patches?
A. Anti-malware updates
B. Driver updates
C. Windows Updates
D. Firmware updates
Answer: C
QUESTION 4
A technician is configuring a SOHA wireless router for a small business with three employees. After the three employees laptops have successfully connected to the wireless network, the company would like to prevent additional access to the wireless networks. The technician enables WPA2 on the wireless router.
Which of the following additional settings should the technician change?
A. Enable MAC filtering
B. Disable SSID broadcast
C. Reduce radio power level
D. Update router firmware
Answer: A
QUESTION 5
A user needs their email set up on their iOS device. The email needs to synchronize all changes made with the server and the PC.
Which of the following would the technician use to accomplish this?
A. IMAP
B. SMTP
C. SMNP
D. POP3
Answer: A
QUESTION 6
The customer reports their PC freezes up everyday around the same time.
Which of the following utilities would be BEST to check for any error codes?
A. Windows Updates
B. Task Scheduler
C. Event Viewer
D. Performance Monitor
Answer: C
Explanation:
http://support.microsoft.com/kb/308427
QUESTION 7
A user is looking for the Application Data directory in their profile but cannot see it.
Which of the following Control Panel options would correct this?
A. System
B. Display
C. User Accounts
D. Folder Options
Answer: D
Explanation:
http://windows.microsoft.com/is-is/windows7/change-folder-options
QUESTION 8
While configuring a new email application that uses POP3 for a customer, the technician determines the firewall is blocking the traffic.
Which of the following ports should be opened to allow POP3 mail traffic through the firewall?
A. 53
B. 110
C. 443
D. 3389
Answer: B
Explanation:
http://www.speedguide.net/port.php?port=110
QUESTION 9
A user has downloaded and installed a browser add-on that causes the browser to hang.
The PC has very slow system response when rebooted.
Which of the following should a technician do to troubleshoot this problem?
A. Run System Restore, update antivirus program, and run an antivirus scan.
B. Remove all Internet temporary files, run an antivirus scan, and reboot using Last Known Good Configuration.
C. Remove all temporary files, turn off System Restore, update and run an antivirus scan.
D. Run an antivirus scan, Run Disk Cleanup, and reboot into Safe Mode.
Answer: C
Explanation:
This might be the sign of a virus infecting the system. First, remove all temporary Internet files on your computer. Viruses are downloaded through software or a webpage. And normally it resides in Temporary Internet Files folder. Now turn off system restore because you don’t want to load a previous state on the computer with the virus still lingering the digital wild. Run an antivirus program to clean infected files.
QUESTION 10
A large magnet is placed too close to a CRT monitor. Which of the following will MOST likely occur?
A. Dead pixels
B. Flickering image
C. No image on screen
D. Distorted image
Answer: D
Explanation:
http://cdn.c.photoshelter.com/img-get/I0000ENbEdGRHUB4/s/860/860/Fphoto-64080805F-6RM.jpg
QUESTION 11
In which of the following locations would a technician go to show file extensions?
A. Security Center
B. Folder Options
C. Display
D. System
Answer: B
Explanation:
http://windows.microsoft.com/en-us/windows/show-hide-file-name-extensions#show-hide-file-name-extensions=windows-vista
QUESTION 12
After being relocated to an enclosed position under a desk, a computer experiences intermittent shutdowns. Which of the following conditions is MOST likely the cause?
A. Power surges
B. Overheating
C. APIPA addressing
D. RF interference
Answer: B
Explanation:
http://lifehacker.com/5570909/how-to-prevent-your-computer-from-overheating-and-why-its-important
QUESTION 13
A technician is fixing a very slow computer. Antivirus and Malware programs have been run, and some detections have been removed. After running Disk Cleanup, the system still seems to be slow, especially with multiple programs running.
Which of the following should the technician do NEXT?
A. Run CHKDSK
B. Manually erase all cookies
C. Go back to the latest restore point
D. Run defrag
Answer: D
Explanation:
http://windows.about.com/od/maintainandfix/ss/SBSdefragWin7.htm
QUESTION 14
A technician needs to use a command line tool to determine the network name and the IP address of a resource.
Which of the following command line tools will provide an IP address when given a name?
A. verify
B. tracert
C. ipconfig
D. nslookup
Answer: D
Explanation:
http://www.computerhope.com/nslookup.htm
QUESTION 15
A user wants to configure their network to support VoIP.
Which of the following would BEST support a VoIP installation?
A. QoS
B. POTS
C. Wake-on-LAN
D. VPN
Answer: A
Explanation:
http://www.petri.co.il/voip-quality-of-service-basics.htm
QUESTION 16
A user is concerned about an issue with iOS.
The user MOST likely has which of the following devices?
A. iCloud
B. Android Phone
C. iPhone
D. Windows Tablet
Answer: C
Explanation:
http://en.wikipedia.org/wiki/IOS
QUESTION 17
A user has installed a legacy application in Windows 7 and reports that only some of the functionality in it is operational. Another user is using the same application on a different Windows 7 machine and doesn’t report those problems.
Which of the following features in Windows 7 may be responsible for this problem?
A. System Protection settings
B. User Account Control
C. Action Center
D. Data Execution Prevention
Answer: B
Explanation:
http://windows.microsoft.com/en-us/windows7/products/features/user-account-control
QUESTION 18
A user reports that they are getting frequent delayed write messages throughout the day and are experiencing sluggish performance. The technician suspects that the issue relates to the hard disk drive. Which of the following would BEST help validate the diagnosis?
A. System information
B. Event viewer
C. POST card
D. SMART status
Answer: D
Explanation:
http://www.howtogeek.com/134735/how-to-see-if-your-hard-drive-is-dying/
QUESTION 19
A user states that they are having a problem with their word processor on their laptop. Whenever they attempt to type letters with their right hand, numbers and symbols show up instead. Which of the following would address this issue?
A. Switch to a standardized font
B. Restore regional settings to default
C. Toggle the function + num lock combination
D. Connect a full sized external keyboard
Answer: C
Explanation:
http://forum.notebookreview.com/windows-os-software/43702-holding-fn-key-toggle- numlock.html
QUESTION 20
Which of the following security threats is defined by its self propagating characteristic?
A. Virus
B. Rootkit
C. Trojan
D. Worm
Answer: D
Explanation:
http://www.pcworld.com/article/111965/article.html
QUESTION 21
Which of the following features allows for easier navigation of long lists on a tablet device?
A. Pinch-zoom
B. Multitouch
C. Scrollbars
D. Touch flow
Answer: D
Explanation:
http://gigaom.com/2010/03/08/touchscreen-tablets/
QUESTION 22
Which of the following file system types is used primarily for optical media?
A. FAT32
B. NTFS
C. HPFS
D. CDFS
Answer: D
Explanation:
http://www.computerhope.com/jargon/c/cdfs.htm
QUESTION 23
When moving files from a Microsoft gaming console, which of the following command line utilities is recommended to transfer files?
A. IMAP
B. XCOPY
C. DISKPART
D. FDISK
Answer: B
Explanation:
http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en- us/xcopy.mspx?mfr=true
QUESTION 24
Which of the following should a technician implement to prevent external contractors from physically plugging devices into the company’s network jacks unless such jacks are designated for guest use?
A. Disable DHCP and assign a static IP address to each network device physically connected to the network.
B. Enable MAC address filtering across all network jacks and record the MAC address of guest devices.
C. Disable all switch ports when they are not utilized and enable them on an as needed basis.
D. Place guest network jacks in public areas and all other jacks in secure areas as needed.
Answer: C
Explanation:
The best way is to disable all switch ports when they are not utilized. Switch them on when you need them. This way, you can prevent external contractors from physically plugging devices in to company’s network jacks.
QUESTION 25
After installing a new printer the organization determines that there are problems printing images and very large files. Which of the following will MOST likely resolve the issue?
A. Update the drivers using WHQL drivers
B. Install additional memory to each computer
C. Install additional memory to the printer
D. Apply the latest OS service pack
Answer: C
Explanation:
http://www.ehow.com/how_6875286_install-printer-memory.html
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