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问题：单选题Which of the following wireless networking standards can operate at two different frequenciessimultaneously?（）A 802.11aB 802.11bC 802.11gD 802.11n...
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问题：单选题Which of the following interfaces are typically supported on the input side of a KVM switch?（）A PS/2, VGA, USBB DB25, DB9, PS/2C PS/2, DB9, USBD PS/2, DB25, VGA...
问题：单选题Which of the following ports is the default for HTTP?（）A 21B 25C 80D 110...
问题：单选题A technician is dispatched to a location. While working, the technician’s cell phone rings. Which of the following actions should the technician take?（）A Answer the call to determine its importance.B Ignore the call and return the call from a land line...
问题：单选题After hardware upgrades have been installed, the technician boots the computer system. Nodisplay output is observed but a beeping is heard from the computer. Which of the following is the MOST likely issue?（）A Hard drive cables are not connected.B BIOS...
问题：Which of the following laptop displays would provide the BES...
问题：单选题The most important customer a technician has is:（）A the customer standing right in front of them.B the customer who owes the company the most money.C the customer calling on the phone.D the customer they have an appointment with in an hour....
问题：单选题A technician replaces a user’s 15 inch LCD with a 20 inch LCD. Later, the user informs thetechnician that icons are very large and the text on the monitor is fuzzy and distorted. Which of the following is MOST likely the cause?（）A The contrast setting ...
问题：单选题A user explains that after the office was vacuumed the previous night their sound is not working and they cannot get onto the network. The user has verified that all of the PC’s cables are plugged into their respective ports. Which of the following is ...
问题：单选题Which of the following is enabled in the BIOS that will prompt a user to enter their password every time the laptop performs a POST?（）A Power User accessB Power on passwordC Administrative passwordD User profile access...
问题：单选题A home user working outside an office reports that their laptop is no longer connecting to theInternet. Which of the following would a technician recommend to check FIRST?（）A Windows Firewall settingsB DHCP settingsC Disable HomeGroupD Wireless on/off ...
问题：单选题Which of the following would BEST protect hardware from dust and ESD when storing it for futureusage?（）A Air filterB Anti-static bagsC Compressed airD Paper bag...
问题：单选题Which of the following network devices uses NAT to convert private IP addresses into public IPaddresses?（）A NASB FirewallC HubD Bridge...
问题：单选题Which of the following is MOST critical when installing a new processor in an existing system?（）A Thermal pasteB FansC Drive speedsD Cable management...
问题：单选题A manufacturer has instructed a technician to update the software that resides on the flash ROMchip of an integral system add-in component. Which of the following types of software needs to be updated?（）A System BIOSB FirmwareC OS PatchD Driver...
问题：单选题A basic cable tester can be used to do which of the following?（）A Assure end to end continuity of a UTP cable.B Locate the distance to a cable break.C Determine the CAT level of a UTP cable.D Determine the distance to the nearest wiring closet....
问题：单选题When computers are connected on a network in a manner where the data flows to a central pointand then back out describes which of the following networks?（）A RingB MeshC StarD Hybrid...
问题：单选题Which of the following laptop displays would provide physical flexibility and transparency?（）A Standard LCDB PlasmaC OLEDD LED-backlit LCD...
问题：单选题A user calls and says they cannot get to the Internet. How would a technician walk the user through checking the IP address and default Gateway on the computer?（）A StartRuntype ipconfigclick OK and ask user to read the results.B StartRuntype cmdclick O...
问题：单选题When a grounding strap is not available, a technician can ground by touching the computer’s:（）A power supply.B CPU fan.C memory chips.D motherboard....
