ACTUAL IT CERTIFICATION, HARDWARE , NETWORKING
AND TROUBLESHOOTING TEST 2026/2027 COMPLETE
ACCURATE TEST APPROVED QUESTIONS AND CORRECT
VERIFIED ANSWERS (DETAILED ANSWERS) A NEW
UPDATED VERSION |ALREADY GRADED A+
Which command would you use from the command prompt to get a new
IP address from a DHCP server?
Answer- ipconfig /release followed by ipconfig /renew
What does a constant blinking or no light on a network port typically
indicate?
Answer- A network cable issue or no link
You are building a new high-end gaming computer. Which component
will have the most significant impact on gaming performance?
Answer- GPU (Graphics Processing Unit)
Which feature of Windows 7 and later allows you to roll back a device
driver to a previous version?
Answer- Device Manager
, What is the primary risk of using RAID 0 (striping)?
Answer- It offers no redundancy; the failure of one drive loses all data
Which tool would a technician use to check for and repair file system
errors on a Windows hard drive?
Answer- chads
What is the default port number for SMTP (Simple Mail Transfer
Protocol)?
Answer- 25
A customer's laptop display is very dim, even with brightness set to
maximum. What is the most likely cause?
Answer- Failed backlight or inverter
Which of the following is an example of a phishing attack?
Answer- A fraudulent email pretending to be from a bank, asking for
login credentials
AND TROUBLESHOOTING TEST 2026/2027 COMPLETE
ACCURATE TEST APPROVED QUESTIONS AND CORRECT
VERIFIED ANSWERS (DETAILED ANSWERS) A NEW
UPDATED VERSION |ALREADY GRADED A+
Which command would you use from the command prompt to get a new
IP address from a DHCP server?
Answer- ipconfig /release followed by ipconfig /renew
What does a constant blinking or no light on a network port typically
indicate?
Answer- A network cable issue or no link
You are building a new high-end gaming computer. Which component
will have the most significant impact on gaming performance?
Answer- GPU (Graphics Processing Unit)
Which feature of Windows 7 and later allows you to roll back a device
driver to a previous version?
Answer- Device Manager
, What is the primary risk of using RAID 0 (striping)?
Answer- It offers no redundancy; the failure of one drive loses all data
Which tool would a technician use to check for and repair file system
errors on a Windows hard drive?
Answer- chads
What is the default port number for SMTP (Simple Mail Transfer
Protocol)?
Answer- 25
A customer's laptop display is very dim, even with brightness set to
maximum. What is the most likely cause?
Answer- Failed backlight or inverter
Which of the following is an example of a phishing attack?
Answer- A fraudulent email pretending to be from a bank, asking for
login credentials
