Troubleshooting
What should always be done before major troubleshooting?
What is Perform backups
Which mobile standard enables contactless payments
What is NFC
Which memory type is commonly used in laptops?
SODIMM
Which printer type uses heat to fuse toner onto paper?
Laser
What is the MOST common cause of a system clock resetting?
CMOS battery failure
Which IPv4 address range is private?
172.20.5.0
What storage interface provides the fastest performance in modern systems?
NVMe
Faded print output is MOST likely caused by
Low Toner
What should be checked when no video is displayed?
A user reports a black screen but system fans are spinning. What should be checked FIRST
Monitor input source
Which protocol translates domain names to IP addresses?
DNS (Domain Name System)
Which power rating certification indicates highest efficiency?
Platinum
What are the 2 main Printer types discussed
Ink Jet and laser
What troubleshooting step confirms the solution worked?
Verify full functionality
Which tool traces cables through walls?
Toner probe
RAID 5 requires a minimum of how many drives?
3
A printer shows frequent paper jams. What is the MOST likely cause?
Worn rollers
Wireless clients connect to Wi-Fi but have no internet access. What should be checked FIRST?
DHCP