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CET 1 FINAL EXAM
REVIEW(updated)questions n answers
What is a good safety precaution to take when opening a computer case? - correct answer ✔✔Place tape over the case edges that are sharp. What does the "A" in P-A-S-S remind a person to do while using a fire extinguisher? - correct answer ✔✔Aim the fire extinguisher at the base of the fire. How is a power supply commonly attached to a tower case? - correct answer ✔✔Screws A technician is installing additional memory in a computer. How can the technician guarantee that the memory is correctly aligned? - correct answer ✔✔A notch in the memory module should be aligned with a notch in the memory slot. When a new PC is being built, which component has the most influence when selecting the case and power supply? - correct answer ✔✔Motherboard Where is buffered memory commonly used? - correct answer ✔✔Servers A student is looking to add memory in order to speed up a tower computer. Which type of memory module should the student be looking for? - correct answer ✔✔DIMM While shopping for a replacement motherboard, a customer decides to also purchase a new mechanical hard drive and asks the technical salesperson for advice. Which storage interface should the salesperson recommend for the motherboard and new drive? - correct answer ✔✔SATA Which type of motherboard expansion slot has four types ranging from x1 to x16 with each type having a different length of expansion slot? - correct answer ✔✔PCIe
A technician is installing a new high-end video adapter card into an expansion slot on a motherboard. What may be needed to operate this video adapter card? - correct answer ✔✔Two 8-pin power connectors What safety hazard might occur if a partially filled aerosol can is exposed to excessive heat? - correct answer ✔✔Explosion Which tool can protect computer components from the effects of ESD? - correct answer ✔✔antistatic wrist strap Which tool would be used to scan Windows critical system files and replace any corrupted files? - correct answer ✔✔SFC Which statement describes the term ESD? - correct answer ✔✔It is the sudden discharge of static electricity that can adversely affect a component. What tool would be used to determine which network port attaches to a specific office jack? - correct answer ✔✔Toner Probe Which tool can be used to take resistance and voltage measurements? - correct answer ✔✔Multimeter What are two safety hazards when dealing with laser printers? (Choose two.) - correct answer ✔✔high voltage and hot components Which type of fastener is loosened and tightened with a hex driver? - correct answer ✔✔Six Sided bolt Which tool would be used to create a partition on a hard drive? - correct answer ✔✔Disk Management A technician accidentally spills a cleaning solution on the floor of the workshop. Where would the technician find instructions on how to properly clean up and dispose of the product? - correct answer ✔✔The Safety Data Sheet
A technician is selecting a server that will be used by a cloud provider for data storage. What is a major consideration that needs to be taken into account? - correct answer ✔✔multiple large hard drives When a computer is being assembled, which action can be taken to help eliminate cable clutter within a computer case? - correct answer ✔✔Install a modular power supply What is the best way to apply thermal compound when reseating a CPU? - correct answer ✔✔Clean the CPU and the base of the heat sink with isopropyl alcohol before applying the thermal compound. A technician is installing additional memory in a computer. How can the technician guarantee that the memory is correctly aligned? - correct answer ✔✔A notch in the memory module should be aligned with a notch in the memory slot. Which two components are commonly replaced when a computer system with a newer motherboard is being upgraded? - correct answer ✔✔RAM and CPU What are two reasons for installing a second hard disk drive inside an existing computer? - correct answer ✔✔to support a RAID array and to store the system swap file What is a function of the BIOS? - correct answer ✔✔performs a check on all internal components How should a technician dispose of an empty inkjet printer cartridge? - correct answer ✔✔Follow local regulation for disposal What is the purpose of LoJack? - correct answer ✔✔It allows the owner of a device to remotely locate, lock, or delete all files from the device. A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard drive finds the performance unsatisfactory. Which hard drive upgrade would improve performance while providing more reliability and more energy efficiency? - correct answer ✔✔an SSD Which security feature in modern CPUs protects memory areas that contain part of the operating system from malware attacks? - correct answer ✔✔execute disable bit
A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 6? - correct answer ✔✔ 3 A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 1? - correct answer ✔✔ 2 A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 5? - correct answer ✔✔ 3 A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 10? - correct answer ✔✔ 4 A technician has been asked to configure several computers with RAID. The customer needs protection if two drive fails and wants as much drive capacity as possible. Which RAID should the technician install? - correct answer ✔✔RAID 6 A technician is selecting a PC that will be used by a user as a thin client. What is a major consideration that needs to be taken into account? - correct answer ✔✔network connection to a server A technician is selecting a laptop that will be used by a teleworker for connecting to the internet while traveling anywhere. What is a major consideration that needs to be taken into account? - correct answer ✔✔Cellular card A technician is selecting a server that will be used by a cloud provider to provide fault tolerance for large quantities of stored data. What is a major consideration that needs to be taken into account? - correct answer ✔✔RAID When a computer is being assembled, which action can be taken to help eliminate cable clutter within a computer case? - correct answer ✔✔Install a modular power supply
Which component can be easily damaged by the direct spray of compressed air when cleaning the inside of the computer case? - correct answer ✔✔fan A vegetable canning plant uses laptops for monitoring of assembly lines. The production environment has an ambient temperature around 75 degrees Fahrenheit (24 degrees Celsius). The humidity level is around 30 percent. Noise levels are high due to the canning machinery. The laptops are in a wooden box that tightly surrounds the laptop on three sides. Which factor is most likely to adversely affect a laptop that is used in this environment? - correct answer ✔✔the laptop container During the process of testing a theory of several probable causes to a problem, which should be tested first? - correct answer ✔✔The easiest and most obvious What task should be completed before escalating a problem to a higher-level technician? - correct answer ✔✔Document each test that was tried. What is the preferred method to remove a disc from an optical drive that fails to eject the disc? - correct answer ✔✔Insert a pin into the small hole on the front of the drive. A user has opened a ticket that indicates that the computer clock keeps losing the correct time. What is the most likely cause of the problem? - correct answer ✔✔The CMOS battery is loose or failing. A user reports that images on a computer display are distorted. The technician sends an intern to look at the problem. What could the technician tell the intern to check first that does not involve hardware replacement or disassembly? - correct answer ✔✔display settings A user has connected an external monitor to a laptop VGA port. What is the next step the user should take? - correct answer ✔✔Use a Fn key along with a multi-purpose key to send video to the external display. Which task should be part of a software maintenance routine? - correct answer ✔✔Defragment the hard drive. Which device is most likely to be affected by an incorrect setting saved in CMOS or an incorrect jumper setting? - correct answer ✔✔hard drive
How many devices can a Bluetooth device connect to simultaneously? - correct answer ✔✔ 7 What is a common function of a proxy server? - correct answer ✔✔to store frequently accessed web pages on the internal network What is the correct order of the layers of the TCP/IP model from the top layer to the bottom? - correct answer ✔✔application, transport, internet, network access Which pairs of wires change termination order between the 568A and 568B standards? - correct answer ✔✔green and orange Which device provides wireless connectivity to users as its primary function? - correct answer ✔✔Access point Which type of connection to the Internet is capable of the fastest transfer rates? - correct answer ✔✔fiber A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network? - correct answer ✔✔DSL modem Which type of server would be used to keep a historical record of messages from monitored network devices? - correct answer ✔✔syslog Which smart home wireless technology has an open standard that allows up to 232 devices to be connected? - correct answer ✔✔Z-Wave Which network device allows administrators to remotely manage many devices through one dashboard interface? - correct answer ✔✔cloud-based network controller Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business? - correct answer ✔✔line of sight wireless
What is the the term for the ability of a computer to run multiple applications at the same time? - correct answer ✔✔Multitasking Which application interface is comprised of multiple APIs that support multimedia tasks in Windows operating systems? - correct answer ✔✔DirectX Where can a technician look to determine if specific computer hardware or software has been tested to work with Windows 7? - correct answer ✔✔Microsoft Compatibility Center A user downloads and uses the Windows 7 Upgrade Advisor to generate a report on a PC that is being considered for an operating system upgrade. What information would the report contain? - correct answer ✔✔recommended changes to hardware What Windows 8 tool allows the computer to be rolled back to its factory state without losing any user files? - correct answer ✔✔Refresh your PC A technician has installed a new video driver on a Windows 8.1 computer and now the monitor shows distorted images. The technician needs to install a different video driver that is available on a network server. What startup mode should the technician use to access the driver on the network? - correct answer ✔✔Safe Mode with Networking Which Windows tool is used to determine if a dynamic disk is corrupted? - correct answer ✔✔Disk Management Port triggering has been configured on a wireless router. Port 25 has been defined as the trigger port and port 113 as an open port. What effect does this have on network traffic? - correct answer ✔✔All traffic that is sent out port 25 will open port 113 to allow inbound traffic into the internal network through port
A PC is not able to connect to a wired network. Pinging the loopback address is successful, but the gateway cannot be reached. On the network switch all the interface lights are on, except for the interface connected to the PC. The LED on the network card is off. What is the most likely cause of this problem? - correct answer ✔✔The network cable is faulty.
What is the correct compressed format of the IPv6 address 2001:0db8:eeff:000a:0000:0000:0000:0001?
- correct answer ✔✔2001:db8:eeff:a::1* Which network server is malfunctioning if a user can ping the IP address of a web server but cannot ping the web server host name? - correct answer ✔✔the DNS server Multiple users report that the workstations are assigned a 169.254.x.x IP address. The users are able to communicate only between each other. What is a possible solution? - correct answer ✔✔Restart the DHCP server. A workstation has been moved from the first floor to the fifth floor within an organization. The user is now reporting that the workstation cannot connect to the network. A technician suspects that the workstation could not obtain an IP address from a DHCP server. What is a possible cause of the problem?
- correct answer ✔✔The workstation has been configured with a static IP address. A port that was designed for video cards and 3d accelerators and is the standard in the industry at the current time is deemed: - correct answer ✔✔agp port The bus that is known as the data bus or local bus and whose function is the data connection between two or more devices connected to the computer is termed: - correct answer ✔✔Address Bus An internal card that allows your computer to communicate with another peripheral such as a monitor is termed: - correct answer ✔✔adapter card An extension to Microsoft's OLE COM technologies that users can incorporate into various interactive types of technologies on the internet is termed: - correct answer ✔✔active x The drive letter designation for the 5.25 floppy drive is termed: - correct answer ✔✔none of the above The floppy drive that is no longer available, but was the industry standard in early pc history dating through the early 1980's was the: - correct answer ✔✔5.25 floppy drive
A term used to refer to a flaw and/or manufacturer defect in the hard drive is referred to as: - correct answer ✔✔bad sector The extension of a batch file is termed: - correct answer ✔✔bat A program similar to a script file that is used in DOS and is capable of performing various tasks through DOS is termed: - correct answer ✔✔batch file A panel that is generally plastic that covers the drive bay and/or the face of the computer is termed: - correct answer ✔✔bezel A drive that is/or was made by Iomega is just like a disk drive, but is more rugged but not as fast as a hard drive is termed: - correct answer ✔✔bernoulli drive In order to access and change the aperture size of an agp graphics card, one has to enter: - correct answer ✔✔bios Which two PC components communicate with the CPU through the Southbridge chipset? (Choose two.) - correct answer ✔✔64-bit gigabit Ethernet adapter & hard drive What electrical unit refers to the number of electrons moving through a circuit per second? - correct answer ✔✔current Which type of memory is primarily used as cache memory? - correct answer ✔✔SRAM Refer to the exhibit. Which type of adapter is shown? - correct answer ✔✔network interface Which component controls the communications and interactions between the CPU and other components on the motherboard? - correct answer ✔✔chipset Which two activities are normally controlled by the Northbridge part of the chipset? - correct answer ✔✔access to the RAM & video card
Which type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices? - correct answer ✔✔HDMI What is indicated by the contrast ratio of a monitor? - correct answer ✔✔the difference in the intensity of light between the brightest white and darkest black that can be displayed What type of connector can be used to connect an internal hard drive to the motherboard? - correct answer ✔✔SATA Which term is used to define the wires on a motherboard that move data from one part of a computer to another? - correct answer ✔✔bus When a new PC is being built, which component has the most influence when selecting the case and power supply? - correct answer ✔✔motherboard What three components should be included in a computer that is used to create TV commercials and music videos? - correct answer ✔✔specialized video card, large/fast hard drive and audio card What are two hardware requirements for computers that will be used to run multiple virtual machines - correct answer ✔✔large amounts of RAM & a multicore CPU The port or cables that best describes PS/2 is: - correct answer ✔✔Connects a keyboard or a mouse to a computer Which hardware upgrade would allow the processor in a gaming PC to provide the optimal gaming performance? - correct answer ✔✔large amounts of fast RAM Which memory module has a front side bus speed of 200 MHz? - correct answer ✔✔DDR- Where can the input voltage selection be changed from 110 volts to 220 volts on a computer system? - correct answer ✔✔on the back of the power supply
Which question is an open ended question that could be used when helping a customer troubleshoot a Windows problem? - correct answer ✔✔What programs have you installed recently? A user reports that a video editing program does not work properly after a sound mixing program is installed. The technician suspects that a compatibility issue might be the cause of the problem. What should the technician do to verify this theory?" - correct answer ✔✔Uninstall the sound mixing software. A technician is trying to fix a Windows 7 computer that displays an "Invalid Boot Disk" error after POST. What is a possible cause of the error? - correct answer ✔✔The boot order is not set correctly in the BIOS. Which type of RAM modules are designed for the space limitations of laptops? - correct answer ✔✔SODIMMs Which protocol can be used to transfer messages from an email server to an email client? - correct answer ✔✔POP What device setting is used to share the cellular WAN connection of a phone in order to allow other devices to connect to the Internet? - correct answer ✔✔mobile hotspot What type of backlight is used in an LED display? - correct answer ✔✔LED Where is an integrated microphone normally located on a laptop? - correct answer ✔✔in the top of the display Which laptop component would be considered an FRU? - correct answer ✔✔display Which app is used to synchronize data to an iOS-based mobile device? - correct answer ✔✔iTunes
A technician has been called on site to help a user who has a laptop problem. At which point should the technician look online for additional possible solutions to a laptop problem? - correct answer ✔✔after testing a theory to determine the cause A lawyer wants to enable a smartphone to be used as a hands-free device. What technology allows this task to be accomplished? - correct answer ✔✔Bluetooth A doctor wants to make a backup copy of all of the data on a mobile device. What technology allows this task to be accomplished? - correct answer ✔✔cloud service A salesperson wants to embed the location on a digital photograph to record where it was taken. What technology allows this task to be accomplished? - correct answer ✔✔geotagging A student wants to make a backup copy of all of the data on a personal mobile device. What technology, product, or setting allows this task to be accomplished? - correct answer ✔✔cloud service An employee wants to find an alternate route home because the usual route is blocked by an accident. What technology, product, or setting allows this task to be accomplished? - correct answer ✔✔GPS A manager wants to purchase a specialized mobile device for a new VR game. What technology, product, or setting allows this task to be accomplished? - correct answer ✔✔headset A technician is troubleshooting a laptop with an unresponsive touchscreen. What could be the probable cause? - correct answer ✔✔The screen is dirty. When would a printer be considered a network host? - correct answer ✔✔when it is connected to a switch Which device provides wireless connectivity to users as its primary function? - correct answer ✔✔access point What PDU is associated with the network layer of the OSI model? - correct answer ✔✔packet
Which statement describes a characteristic of cloud computing? - correct answer ✔✔Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world. Which Cloud computing service would be best for an organization that does not have the technical knowledge to host and maintain applications at their local site? - correct answer ✔✔SaaS Which is a characteristic of a Type 1 hypervisor? - correct answer ✔✔Installed directly on a server Which cloud model provides services for a specific organization or entity? - correct answer ✔✔a private cloud Which laptop component makes use of throttling to reduce power consumption and heat? - correct answer ✔✔CPU A user notices that a job submitted to a printer is displayed in the print queue, but the printer is not printing the document. What is a probable cause of this problem? - correct answer ✔✔a bad cable connection Internal cache that is integrated into the CPU - correct answer ✔✔L Most common power supply on market. It includes a second motherboard connector to provide dedicated power to the CPU is known as: - correct answer ✔✔ATX12V A printed circuit board that contains busses, or electrical pathways, that interconnects electronic components is termed: - correct answer ✔✔Motherboard Nonvolatile memory chip that can be erased by exposing it to strong ultraviolet light is: - correct answer ✔✔EPROM The steps to install this are to open the case, align the screw holes with the case, and attach the screws is termed: - correct answer ✔✔power supply
This part must be compatible with the motherboard and provide appropriate wattage. - correct answer ✔✔power supply This component has levers to firmly lock it into the motherboard is: - correct answer ✔✔RAM A component that requires standoffs and is installed using an I/O plate is termed: - correct answer ✔✔motherboard Two types of motherboard expansion slots are: - correct answer ✔✔PCI and PCIe Proprietary flash memory used in cameras, MP3 players, and hand-held video game systems is termed: - correct answer ✔✔memory stick A memory chip on the motherboard that retains BIOS settings is: - correct answer ✔✔CMOS A BIOS/UEFI security feature that consists of two programs; the Persistence Module and the Application Agent is termed: - correct answer ✔✔LoJack A term that describes one of the fundamental relationships found in electronic circuits: for a given resistance, current is directly proportional to voltage is: - correct answer ✔✔Ohm's Law A term to describe a sudden increase in voltage that lasts for a short period and exceeds 100 percent of the normal voltage on a power line is referred to as: - correct answer ✔✔spike A technique used when the processor runs at less than the rated speed in order to conserve power or produce less heat is termed: - correct answer ✔✔CPU throttling A technology to store data across multiple storage devices for availability, reliability, capacity, redundancy, or performance improvement is termed: - correct answer ✔✔Redundant Array of Independent Disks (RAID)
