1. A laptop model has soldered memory and no free SODIMM slot. What does that mean for a RAM upgrade?A. Any desktop DIMM will workB. The OS can create a slotC. Memory may not be field-upgradeableD. The battery must be replaced2. A laptop works normally on AC power but shuts off immediately when unplugged. Which subsystem deserves attention first?A. Printer queueB. Battery/power pathC. DNSD. Monitor input3. An internal laptop display is dark, but an external monitor works. Which conclusion is justified?A. The whole GPU is definitely deadB. The SSD is corruptC. The network is offlineD. The internal display/backlight/cable path deserves investigation4. A company-owned phone must enforce a screen lock, approved apps, and remote wipe. Which technology best fits?A. MDMB. GPSC. NFCD. USB hub5. A BYOD policy differs from a corporate-owned-device policy mainly because what must be balanced?A. Printer tonerB. CPU speedC. Organization security requirements and user ownership/privacy boundariesD. RAID level6. A phone will not pair over Bluetooth. What should be verified early?A. RAID statusB. Bluetooth enabled, device discoverability, pairing mode, and proximityC. Laser fuser temperatureD. DNS MX record7. A phone has full Wi-Fi connectivity, but calendar sync alone is paused. What is the smallest useful correction?A. Replace the antennaB. Factory-reset the phoneC. Replace the SIMD. Correct the calendar/app sync setting8. Which connector is reversible and widely used on modern laptops and mobile devices?A. USB-CB. PS/2C. VGA onlyD. RJ-119. A laser printer produces pages where toner rubs off easily. Which subsystem is most suspect?A. DHCPB. Scanner glassC. FuserD. Wi-Fi antenna10. An inkjet produces missing lines after sitting unused. What maintenance action is most appropriate first?A. Replace the network switchB. Use the approved print-head/nozzle cleaning procedureC. Open the power supplyD. Change the VLAN11. A thermal receipt printer produces a blank roll after a paper change. What should be checked first?A. Paper orientation/type and thermal sideB. CPU socketC. DNS serverD. RAM channel12. Why might PostScript be preferred in some graphics-heavy workflows?A. It provides cellular serviceB. It replaces paperC. It controls battery chargingD. It is a page-description language commonly used for device-independent print rendering13. A shared network printer works from one subnet but not another. Which layer should be checked before replacing the printer?A. Toner cartridgeB. Paper trayC. Routing/firewall/network access between client and printerD. Laptop battery14. A scanner successfully scans locally but cannot email scans. What does that suggest?A. Scanner optics are definitely brokenB. The failure is likely in the email/network/service configuration pathC. The ADF is definitely jammedD. The CPU is unsupported15. Why should printer firmware updates come from an approved source?A. Firmware directly affects device behavior and untrusted packages can be riskyB. Firmware changes paper sizeC. It increases RAM capacityD. It replaces DNS16. A print job is visible in the queue but never reaches the printer. Which evidence is most useful next?A. Laptop battery healthB. CPU temperatureC. Phone GPSD. Queue status, printer reachability, driver/port configuration, and spooler state17. A printer feeds multiple sheets at once. Which component/path is most relevant?A. DNS resolverB. Pickup/separation rollers and paper feedC. TPMD. SIM card18. A USB keyboard works on another PC but not one port on the original PC. What does that evidence suggest?A. The keyboard is definitely defectiveB. The network is downC. The specific port/controller/configuration path deserves investigationD. The printer needs toner19. A laptop port shows liquid damage. What should a technician do before applying power?A. Follow approved isolation/inspection procedures and avoid energizing a potentially damaged deviceB. Repeatedly plug it inC. Heat it aggressivelyD. Reset Windows20. What closes a mobile/printer service ticket properly?A. A guessB. A replacement part onlyC. Deleting the original evidenceD. Verified function, documented action, and any remaining risk or follow-upGrade locally (0/20)