CompTIA A+ 220-901 and 220-902 Exam Cram
CompTIA A+ 220-901 AND 220- 902 EXAM CRAM
TEST BANK
NCLE Advanced Certification
Exam with COMPLETE SOLUTION
| 700+ Questions with 100%
Correct Answers 2023-2025
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Table of Contents
Table of Contents
INTRODUCTION ............................................................................................................. 1
CHAPTER 1
Introduction to
Troubleshooting............................................
............................... 9
The Six-Step A+ Troubleshooting Process .................................................................. 10
Step 1: Identify the Problem .................................................................................. 10
Step 2: Establish a Theory of Probable Cause (Question the
Obvious) ........................................................................................................................ 11
Step 3: Test the Theory to Determine Cause ................................................ 12
Step 4: Establish a Plan of Action to Resolve the Problem and
Implement the Solution ......................................................................................... 12
Step 5: Verify Full System Functionality and, If
Applicable, Implement Preventative Measures .......................................... 13
Step 6: Document Findings, Actions, and Outcomes ................................. 13
Cram Quiz ................................................................................................................ 14
Cram Quiz Answers .................................................................................................... 15
Troubleshooting Examples and PC Tools .............................................................. 16
Troubleshooting Example 1—Basic: Display Issue ..................................... 16
Troubleshooting Example 2—Intermediate: Power Issue ....................... 18
Troubleshooting Example 3—Advanced: Wireless Issue ......................... 19
PC Tools ................................................................................................................... 23
More Troubleshooting Tidbits .............................................................................. 24
Cram Quiz ................................................................................................................ 26
Cram Quiz Answers .................................................................................................... 27
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Table of Contents
CHAPTER 2
Motherboards ................................ ................................ ................................ ....... 29
Motherboard Components and Form Factors ........................................................... 30
Motherboard Components ...................................................................................... 30
Form Factors .................................................................................................................. 40
Cram Quiz ................................ ................................ ................................ ................ 44
Cram Quiz Answers .................................................................................................... 45
The BIOS/UEFI ................................ ................................ ................................ ................. 46
BIOS, CMOS, and the Lithium Battery ................................ ....................... 46
The POST ................................ ................................ ................................ ................ 47
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Table of Contents
Accessing and Configuring the BIOS .......................................................... 48
Flashing the BIOS ................................................................................................ 51
Cram Quiz ............................................................................................................... 53
Cram Quiz Answers ....................................................................................................
54
Installing and Troubleshooting Motherboards ......................................................... 55
Installing Motherboards ..........................................................................................
55
Troubleshooting Motherboards ...........................................................................
56
Cram Quiz ............................................................................................................... 62
Cram Quiz Answers ....................................................................................................
63
CHAPTER 3
The CPU
...............................................................
................................................. 65
CPU 101 ............................................................................................................................... 66
CPU Technology ................................................................................................... 66
Cooling ..................................................................................................................... 75
Cram Quiz ............................................................................................................... 78
Cram Quiz Answers ....................................................................................................
80
Installing and Troubleshooting CPUs ............................................................................ 81
Installing CPUs...................................................................................................... 81
Troubleshooting CPUs ...................................................................................... 87
Cram Quiz ............................................................................................................... 89
Cram Quiz Answers ....................................................................................................
90
CHAPTER 4