EXAMEN

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Ivy Tech Community College, Indianapolis *

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INFM109-36

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Computer Science

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Apr 3, 2024

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Which of the following devices should be configured to block specific ports on a network? a) Firewall b) Gateway c) Router d) Bridge e) Access point What should you do after you have located a device for pairing during the Bluetooth connection process? a) Test the connection. b) Turn both devices off and then back on. c) Enter the PIN code. d) Enable Bluetooth on both devices. When a mobile device is put into airplane mode, which of the following features are typically disabled? (Select the two best answers.) a. Cellular data b. Wi-Fi c. Multitouch capability d. Data encryption e. Camera

Which of the following are found in electrical power grids, water treatment plants, gas/oil pipelines, hydroelectric systems, sewage systems, and traffic systems and must be heavily secured because they are often used in protected environments and infrastructures? a) SCADA systems b) Routers c) Load balancers d) Spam gateways You need to make a patch cable to connect a computer to an RJ45 wall jack. Which of the following tools should be used to attach the RJ45 plugs to the patch cable? a) Crimper b) Punchdown tool c) Loopback plug d) Cable tester You are planning to build a computer that will be used at trade shows on several different continents. Part of your planning includes specifications such as maximum RAM and a typical video card, CPU, and storage drive. Which of the following specifications is the most important for you to consider when you select a power supply unit? a) Efficiency b) 12 V rail amperage c) Input voltage d) Number of SATA connectors

7) One of your co-workers has asked for a cable for an Apple mobile device that can charge it and transfer data to and from it. Which of the following connection types would meet the customer’s requirements? a) Lightning b) Micro-USB c) Molex d) Mini-USB 8) One of your co-workers has opened a trouble ticket concerning paper jams on a laser printer. The paper jams have become more frequent as of late. You decide to attempt to re-create the problem and then check the printer log for more information. Which of the following are the most likely solutions to the problem? (Select the two best answers.) a) Clean and inspect the entire paper path. b) Clean the fuser roller and verify fuser operation. c) Clean and replace the paper out sensor. d) Use a printer maintenance kit to replace parts. e) Replace the paper exit assembly switch. f) Clean and inspect the print drum. 9) Which of the following monitor types provide for the widest viewing angle, along with rich colors and consistent backlighting? (Select the two best answers.) a) VA C) IPS b) TN D) LED

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10) Look at the following list of wires. What wiring standard is being used here? 1. White/orange 2. Orange 3. White/green 4. Blue 5. White/blue 6. Green 7. White/brown 8. Brown a) RJ45 b) T568B c) T568A d) TIA 11) Which connector is necessary to supply power to a graphics expansion card? (Select the best answer.) a) 8-pin EATX12V b) PCIe 8-pin c) 24-pin ATX d) SATA 15-pin 12) Which of the following voltages are normally supplied by a PSU’s rails? (Select the two best answers.) a) 1.5 V b) 3.3 V c) 5 V d) 9 V 13) You are attempting to load an operating system from a USB flash drive at computer startup. Which of the following settings should you modify in the BIOS? a) Enable a BIOS password b) Boot sequence c) Enable TPM d) Disable TPM

14) Which of the following best describes the most likely reason for connecting a tone generator to an RJ45 cable drop? a) To confirm continuity of the conductors b) To locate the position of the cable on a patch panel c) To test the transmission quality of the connection d) To validate proper wiring of the network jack 15) Four people share a connection to a SOHO router that connects to the Internet. When a single user starts streaming media over the Internet, browsing slows down for the rest of the users. Which setting should be configured to alleviate the problem? a) QoS b) DSL c) WAN d) VPN 16) You are a technician for an accounting company. You are helping a user who is unable to access websites and is reporting connectivity issues as well as pop-ups on the screen. You discover and remove malware. After rebooting the system, you are able to ping the gateway and access the Internet.) Which of the following next steps should you take while troubleshooting this issue? (Select the two best answers.) a) Reboot the computer and verify that it works. b) Research the problem based on the symptoms you found. c) Perform a virus scan. d) Verify TCP/IP settings with ipconfig. e) Document findings, actions, and outcomes. f) Reconnect the system to the network

17) One of the desktop computers at a customer site is randomly rebooting several times per day. You have checked for overheating issues, but everything seems okay with the case fans, CPU fan, and power supply. What should you check next? a) Make sure the integrated network adapter has the latest drivers. b) Ensure that the storage drive is defragmented. c) Check the motherboard for signs of swollen capacitors. d) Check the RAM and confirm that it is the right type. 18) A laptop’s battery fails to charge. Which of the following should be checked first? a) DC-in jack b) AC-in jack c) CMOS battery d) AC circuit breaker 19) A computer you are working on randomly reboots. Which of the following should be checked first when troubleshooting the computer? (Select the two best answers.) a) Memory integrity b) Video card integrity c) CMOS battery d) PSU integrity e) Optical drive integrity 20 ) You are setting up a network for a small office with 30 computers and 1 server. The server will be used as a file sharing device and a print server, and it will act as the domain controller. What kind of addresses should you assign to the server? (Select the two best answers.)

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a) DHCP b) MAC c) Static IP d) Dynamic IP e) Subnet mask f) FTP 21) The power supply fan and case fans spin, but there is no power to other devices. Which of the following is the most likely cause of this? a) Failed boot drive b) Improper connectivity c) Drive not recognized d) Failed RAM 22) Your client has three business locations within the city limits. All three locations need to be networked. The vendor’s network requirements for all three locations include a minimum data transfer rate of 1 Gbps. Which of the following network types should you most likely use for the internal office communications and the office-to-office network communications? (Select the two best answers.) a) SAN b) WAN c) LAN d) MAN e) PAN 23) Which of the following is the bus width of quad-channel RAM? a) 64-bit b) 128-bit c) 288-pin d) 256-bit

24) You have been hired to install a network cable in a crawl space that runs the length of a hallway. You are required to meet fire code specifications. Which of the following types of cable should you run? a) Shielded b) Coaxial c) Fiber d) Plenum 25) You are troubleshooting a printer. Which of the following are common symptoms of printer failure or other printer issues? (Select the three best answers.) a) Vertical lines down the printed pages b) Garbled print c) Faded print d) Failure to document screw and cable locations 26) You need to connect external peripherals to a typical PC. Which of the following connector types will allow you to do this? (Select the two best answers.) a) SATA b) SAS c) EIDE d) eSATA e) USB 3.0 27) Which of the following protocols is used to perform file sharing between Apple computers running macOS and PCs running Windows on a LAN? a) RDP b) SSH c) POP3

d) SMB 28) One of your customers has signed up for a mobile pay service to be used on a first-generation smartphone. However, the smartphone does not work at any location that supports mobile pay service. Which of the following is missing from the customer’s smartphone? a) IMSI b) NFC c) RFID d) Bluetooth 29) On your server, two drives of a RAID 5 array have failed. What should you do? a) Replace one of the drives and run RAID repair. b) Replace the failed drives and format the RAID array using the quick option. c) Replace one of the failed drives and repair the RAID array using system utilities. d) Replace the failed drives and restore the data from tape backup to the repaired RAID array. 30) You just set up a printer in the company training room. The trainer wants to be able to print multiple copies of the training documentation for class, and to comply with the company’s new green policy, she needs to conserve paper by printing on both sides of the documents. To comply with the policy, which feature should she be primarily concerned about? a) Orientation b) Print quality c) Duplexing d) Sharing

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e) ADF 31) You are troubleshooting a projector in a conference room. The training manager tells you that it flickers during presentations. As you investigate the problem, you verify the flicker on the projector screen but notice that the laptop display does not yield the same issue. You modify the resolution on the laptop, but the issue continues. Which of the following is the next step that you should take to fix the problem? a) Check power cable connectivity. b) Check video cable connectivity. c) Modify settings on the projector. d) Change the aspect ratio on the laptop. 32) Your office printer was working earlier in the day but is no longer printing any documents. Preexisting workstations are manually configured to print to the printer directly over the network. You begin troubleshooting the problem and determine that the printer is still visible when browsing the network directory. You also verify, at the physical printer, that the printer can print test pages successfully. Which of the following is the most likely cause of the problem? a) The print spooler was restarted. b) Two users sent print jobs at the same time, and a collision occurred. c) The printer’s IP address has changed. d) The message “perform printer maintenance” is displayed on the printer’s display panel. 33) Which of the following cable types is prone to EMI? a) Fiber optic b) STP c) UTP

d) Multimode 34) You just completed a CPU installation. When you turn on the computer, the POST sounds a series of beeps, and the system won’t boot. What is the most likely cause? a) The mouse is not plugged in. b) The operating system is corrupted. c) The CPU is not properly seated. d) The fan is running too fast 35) You are building a high-performance workstation. You are required to select a boot drive with the highest performance available. Which of the following is the best option? a) NVMe b) 15K rpm HDD c) MicroSD d) USB flash 36) Which of the following ports can be used for audio, video, and storage? a) Thunderbolt b) DisplayPort c) HDMI d) DVI 37) Y ou are working in a command line and see the following results: example.com = 93.184.216.34 Which of the following server types has most likely helped supply this information to you? a) DHCP server

b) DNS server c) Authentication server d) Syslog server e) Print server 38) You are planning a secure screened subnet (DMZ) that will incorporate several servers, including a web server, an FTP server, and a mail server. Which inbound ports will need to be opened at the firewall so that the servers can securely communicate with users on the Internet? (Select the four best answers.) a) 21 b) 22 c) 23 d) 53 e) 80 f) 110 g) 143 h) 443 i) 587 j) 995 k) 3389 39) Which of the following is the most common type of networking connector used in a PC’s network interface card? a) RJ11 b) F-connector c) ST d) RJ45 40) You are tasked with fixing a client’s PC that hasn’t booted after the latest test of the building’s backup generator. As you analyze the

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computer, you notice that once it is powered on, there is no display and 41) there are no beep codes. After 15 seconds, the fans inside the computer start spinning faster and making more noise. The computer was working fine before the test, and you verify that no one has opened the computer. Which of the following is most likely the problem? a) The RAM was damaged by ESD. b) The motherboard was damaged by the power test. c) The storage drive was erased due to the power test. d) The power supply was damaged and is nonfunctional. 42) You are troubleshooting a user’s system that connects to the network and disconnects from the network in an alternating fashion. The system is connected via an Ethernet cable. Which of the following is the most likely cause? a) Port flapping b) High latency c) Jitter d) External interference 43) A user calls you and says that his computer won’t boot and that there is a faint smell of something burning. Which tool should be used to identify the problem? a) Loopback plug b) Cable tester c) PSU tester d) ESD strap 44) Which of the following memory technologies enables protection against random inconsistencies when storing data? a) Quad-channel b) Parity

c) Dual-channel d) ECC e) RAID 5 45) John is a PC technician for an organization that has a computer network with 12 computers. All the computers contain vital information, so they use static IP addresses (on the 192.168.50.0 network). John just finished troubleshooting a Windows computer that could not access the network. He ascertained (correctly) that the computer needed a new network card. He purchased a plug-and-play card and physically installed the card. He then turned on the computer and noted that the network card’s LED link was lit and that there was activity. He then rebooted the computer to Windows and documented the whole process. Later, his boss tells him that the user is complaining that there is no Internet access. Which step of the A+ troubleshooting methodology did John forget to perform? a) Identify the problem. b) Establish a theory of probable cause. c) Test the theory to determine cause. d) Establish a plan of action to resolve the problem. e) Verify full system functionality. f) Document findings, actions, and outcomes. 46) A workgroup of five PCs uses a shared printer. A customer says she cannot print to the printer but can access shares on another PC used for common files. The printer appears to be powered on. Which of the following would be the most likely cause? a) The PC with the connected printer is off the network. b) The printer needs to be restarted. c) The printer is low on toner. d) Device drivers are corrupted.

47) What is the term for devices that have an integrated CPU and RAM and are part of the Internet of Things (IoT), such as smart security systems and fire alarms, medical sensors, and appliances? a) Embedded systems b) Syslog servers c) Web servers d) IDS/IPS systems 48) One of the workstations at your organization was just moved to a new work location in the same building. The new location does not have a surge suppressor. The workstation was working the day before, but today the system will not power up, the fans do not spin, and there are no other signs of activity. Which of the following should you do first? a) Check the voltage of the PSU with a multimeter. b) Check for swollen capacitors. c) Check the voltage switch on the PSU. d) Check the power cable connection. 49) A client is having a problem printing a specific type of document. The main network printer OCP shows that the printer is online and that there are no errors. No other users are having issues printing to that printer. You ask the person to send the same document to another printer, and the document prints fine. Which of the following should you do first when troubleshooting this problem? a) Stop and start the print spooler service. b) Stop and start the print server queues and have the user resend the document.

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c) Verify that the user is sending the document to the correct printer queue. d) Have all users send the same document to the correct printer queue. 50) You are a technician for a small organization of 50 employees. You are tasked with replacing a damaged LED screen on a mobile computer. After installing a new LED screen, you find that the OS can be seen on the screen, but the touchscreen is not working. Which of the following are the most probable root causes of this failure? (Select the three best answers.) a) The touchscreen needs to be calibrated after replacement. b) Touchscreen drivers must be installed. c) The hardware replacement in the scenario is not touchscreen capable. d) A grounding screw is not attached securely. e) The digitizer cable is not attached to the motherboard properly. f) The LCD panel firmware should be updated. 51) You replace a failed storage drive with a new one. You then boot to a special preinstallation environment disc so that you can install a custom operating system build that is meant for deployment to the network. The storage drive is recognized in the UEFI/BIOS, but once you have booted to the preinstallation environment, the storage drive is not recognized, the process fails, and the drive can’t be imaged. Which of the following statements best describes the most likely problem? a) The PC’s power supply cannot provide enough power for the new drive. b) The boot media has failed and needs to be replaced. c) The storage drive has not been partitioned correctly. d) The storage drive must be configured in the UEFI/BIOS.

52) You are attempting to install Hyper-V on a Windows computer. However, you receive an error saying that the software cannot be installed. Which of the following CPU characteristics should be checked? a) Number of cores b) Virtualization support c) Hyper-Threading d) Cache size 53) Which of the following is an example of a MAC address? a) 10.1.1.255 b) 4410:FF11:AAB3::0012 c) https://dprocomputer.com d) 00-1C-C0-A1-55-21 54) A monitor’s onscreen display (OSD) indicates that the proper video source has been selected, yet no image is displayed. Which of the following are the most likely causes? (Select the two best answers.) a) The monitor’s brightness setting is too low. b) The monitor’s backlight has failed. c) There is no device sending video. d) The source cable has been disconnected. e) The monitor’s contrast setting is too high. 55) Which of the following could be used for two-factor authentication? a) IMEI and IMSI b) Password plus biometric c) GPS and location services d) PRL and baseband updates

56) Which of the following cable types should be used to connect a cable modem to a SOHO router? a) Coaxial b) Ethernet c) USB d) Thunderbolt e) SATA 57) Which of the following describes the function of a switch in a network? a) Converts a packet for transmission from one network to another network b) Transmits packets it receives to specific connections c) Broadcasts packets it receives to all connections d) Determines whether a packet belongs on an internal or an external network 58) You need to run a diagnostic program by booting to a USB flash drive on a laptop running Windows. You modify the boot order in the UEFI/BIOS and set it to the flash drive first. However, the laptop still boots into Windows. What do you need to adjust to boot to the USB flash drive? a) Secure Boot b) TPM c) UEFI/BIOS password d) Virtualization

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59) You replaced a bad internal WLAN card in a Windows laptop. You completed the installation and verified that the new WLAN card is listed in the Device Manager as enabled. What should you do next to actually use the card? a) Type the security passphrase. b) Update the firmware of the WLAN card. c) Configure encryption on the router. d) Add the SSID of the network to the connection. 60) Which of the following printer technologies uses piezoelectric pressure pads to produce small bubbles that are moved to the paper? a) Laser b) Inkjet c) Thermal d) Impact 61) Which of the following cable types would most likely experience degraded video signal quality over long distances? a) VGA b) HDMI c) DVI d) DisplayPort 62) Your guest virtual machines get direct access to the hosting computer’s network connection. What is another name for this? a) NAT b) Private virtual network c) Host-only networking d) Bridged networking

63) You are servicing a small office’s network. One PC’s network adapter has a link light that is lit, but the PC can’t access internal network resources located on other PCs on the LAN. Which of the following is the most likely cause of the issue? a) IP address conflict b) High latency c) Jitter d) Limited connectivity e) APIPA f) Slow network transfer speed 64) Which of the following components can be considered the “brains” of a computer? a) RAM b) Storage drive c) CPU d) Motherboard 65) Which of the following is an advantage of UDP over TCP? a) It uses flow control. b) It transfers packets faster. c) It uses connection handshakes. d) It is connection based. 66) Which protocol does Active Directory rely on most? (Select the best answer.) a) SMB b) HTTPS c) LDAP d) DHCP

67) As you are building a new PC, you notice that the motherboard has eight DIMM sockets that are labeled 0 through 7. Four of them are gray, and the other four are a darker shade of gray. Which of the following should be performed first? a) Install the memory into the gray slots. b) Install the memory into the dark gray slots. c) Install the memory into slots 0 through 3. d) Fill all the slots with memory. e) Consult the motherboard documentation. 68) A workstation fails to boot. The POST found an error, and the computer beeps twice. This happens again and again. Which of the following is the most likely issue? a) Power supply failure b) Video adapter failure c) Memory failure d) CPU failure 69) Your organization has paid access to virtually unlimited cloud resources but pays only for the resources that are used. What is this called? a) Rapid elasticity b) Community cloud c) Metered services d) High availability 70) Which of the following features allows users to store files in cloud- based storage when needed but can be removed when space is freed up locally? a) Shared resources b) Metered utilization

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c) On-demand d) Resource pooling 71) You need to describe RAID to a nontechnical customer. Which of the following is the best description to use for this customer? a) RAID stands for redundant array of independent disks. b) RAID utilizes multiple disks to increase performance and/or enable protection against data loss. c) RAID is a dynamic disk management system. d) RAID uses striping to reduce the amount of storage drive write time and utilizes parity bits to reconstruct the data from a failed drive. 72) Which of the following should be reset during normal printer maintenance? a) Page count b) Job queue c) Print job cache d) Tray settings 73) Which of the following types of printers requires a maintenance kit that contains a fuser, a transfer roller, and pickup rollers? a) Thermal b) Laser c) Inkjet d) Impact 74) A desktop computer (named workstation22) can’t connect to the network. A network card was purchased without documentation or driver discs. Which of the following is the best way to install the network card driver?

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a) Purchase the disc online and install the drivers. b) Run Windows Update to install the driver. c) From the desktop computer (workstation22), download and install the driver. d) Copy the driver to a flash drive and install it. 75) You are the systems administrator for a medium-sized enterprise organization. You configure a server to host several virtual machines (VMs). Now, you are ready to begin provisioning the VMs. Which of the following should you implement to perform this task? a) Remote Desktop Services b) Hypervisor c) Virtual LAN d) Disk Management e) Device Manager 76) You are tasked with fixing a laptop that is not booting. You have analyzed the system and can’t see any system lights or display, and you can’t hear any sounds when the Power button is pressed. Which of the following should be attempted first when troubleshooting the problem? a) Boot the system from a flash drive. b) Disconnect the AC and the battery and press and hold the Power button for several seconds. c) Remove storage drives and optical drives, RAM, and USB devices from the laptop. d) Connect an external monitor to the laptop to determine if the LCD has failed. 77) You are a technician working on a problem with a projector. While investigating, you find that the lamp turns off for brief periods during longer demonstrations. You replace the lamp, but the problem

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continues, and now you get a message that appears just before the lamp turns off. Which of the following should you perform? (Select the two best answers.) a) Replace the cooling fan b) Change the video resolution c) Install a more powerful lamp d) Adjust the brightness e) Reset the lamp counter f) Update the laptop’s video driver 78) Which of the following LAN hosts would most likely provide the services needed to allow multiple clients access to cached Internet web pages? a) File server b) Proxy server c) Web server d) DNS server 79) A user with an inkjet printer states that all color printouts are missing red ink. The printer has cartridges for each of the CMYK colors, and the user has recently replaced the magenta cartridge. Which of the following steps should be performed next? a) Verify that the printer cables are connected. b) Perform printer head cleaning. c) Purchase a maintenance kit. d) Use paper of a different weight.

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EXAMEN

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