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Certifications/CompTIA/CompTIA A+ Core 2
CompTIA助理级📚 其他

CompTIA A+ Core 2 (220-1102)

CompTIA A+ Core 2 exam prep covering operating systems, security, software troubleshooting, and operational procedures. Includes 320 practice questions, a 90-minute exam format, and practical explanations for desktop support work.

Start PracticeBrowse Learning Path
90
Questions per exam
320
Question bank total
90m
Exam Duration
700/900
Passing Score
$358
Exam Fee

At a glance

320 questions
Best forHelp desk technicians and desktop support staff, Entry-level IT professionals moving into user support
Prep pace3-4 weeks with experience
Course pack5 chapters · 36 hours
Learner signal0 enrolled · 0/5
Exam Guide
✓
Bottom line · Worth it

CompTIA A+ 的第二部分，Core 1 + Core 2 两张一起才算完整 A+ 认证，是 IT 支持岗位的行业标配。

What this certification covers

This page is structured for quick scanning first: exam format, fit, prep time, and the actual study scope.

CompTIA A+ Core 2（220-1102）是 A+ 认证的两场考试之一，另一场是 Core 1（220-1101）。两场都通过才能获得 CompTIA A+ 认证。Core 2 考 90 题，90 分钟，及格线 700/900，考试费 $358 USD。

Core 1 侧重硬件和网络，Core 2 侧重软件和安全。Core 2 的 4 大考试域：操作系统（Windows/macOS/Linux）、安全（恶意软件、社会工程、物理安全）、软件故障排除（应用崩溃、OS 引导问题）和运营流程（ITIL 基础、变更管理、文档）。

2025 年 CompTIA 宣布 220-1102 将在 2025 年底退役，被新版 220-1202 取代。新版增加了对 Windows 11 和云端管理（Intune/Autopilot）的考查。如果你已经开始准备 1102，建议在退役前考完。

You will work with

操作系统管理安全配置软件故障排除运营流程

After preparation

  • Prepare for the CompTIA A+ Core 2 exam with a focused study path
  • Handle operating system, security, and software support tasks more confidently
  • Improve your day-to-day help desk and desktop support skills
  • Complete the second step toward the full CompTIA A+ certification

Exam details

Exam Code
220-1102
Provider
Computing Technology Industry Association
Duration
90 minutes
Question Count
90 questions
Passing Score
700/900
Validity
3 years
Exam Fee
$358 USD
Question Types
Single choice, Multiple select, 实操题
Languages
English
Official Page
Open AWS page

Who should take it

Good fit

  • Help desk technicians and desktop support staff
  • Entry-level IT professionals moving into user support
  • Field service technicians who need strong software support skills
  • Career changers building confidence in operating systems and security

Before you start

  • No formal prerequisite certification is required
  • Basic computer familiarity is enough to begin
  • 9-12 months of hands-on IT support experience is helpful but not required
  • A passing knowledge of Core 1 topics will make the second exam easier

Is it worth it? Career value

Salary ranges, target job titles, and the real career impact of holding CompTIA A+ Core 2.

澳洲
$55K-75KAUD
美国
$45K-65KUSD
新加坡
$36K-54KSGD
IT Support TechnicianHelp Desk AnalystDesktop SupportField Service Technician

A+ 在 IT 支持市场的地位

CompTIA A+ 是美国国防部 DoD 8570 认可的基础认证之一，政府 IT 支持合同几乎都要求 A+。在澳洲，Seek 上搜索 "CompTIA A+" 能找到 200+ 个 IT Support 职位。

Core 2 比 Core 1 更实用：Core 2 涉及的 Windows 故障排除、安全基础、命令行工具（netstat、nslookup、sfc）是 IT 支持日常工作中天天用的。

不适合考的人：已经有 2 年以上 IT 支持经验的人，直接考 Network+ 或 Security+ 对职业提升更大。

Study preparation

With hands-on AWS

3-4 weeks

From scratch

6-8 weeks

Daily pace

1-2 hours/day

Learning path preview

5 chapters
1
Operating Systems
150 min
2
Security
150 min
3
Software Troubleshooting
150 min
4
Operational Procedures
150 min
5
Exam Prep
120 min

Step-by-step preparation

A concrete week-by-week plan from past test-takers — not generic advice.

1

第一阶段：Windows 操作系统（2 周）

Windows 10/11 的版本区别（Home/Pro/Enterprise）、控制面板 vs 设置、命令提示符常用命令（sfc /scannow、chkdsk、DISM）、注册表基础、组策略（gpedit.msc）。在虚拟机里实操每个命令。

2

第二阶段：安全 + 恶意软件（2 周）

恶意软件类型（病毒/蠕虫/木马/勒索软件/rootkit）的区别和清除步骤。社会工程攻击（钓鱼/尾随/shoulder surfing）。防火墙配置、BitLocker 加密、UAC 设置。

3

第三阶段：故障排除 + 运营流程（1-2 周）

CompTIA 的故障排除方法论 6 步骤必须背熟（Identify → Theory → Test → Plan → Verify → Document）。ITIL 变更管理流程、备份策略（3-2-1 规则）、事件文档记录。

4

第四阶段：PBQ 练习 + 模考（1 周）

A+ 考试包含 Performance-Based Questions（模拟操作题），比如在虚拟环境里配置 Windows 防火墙或修改注册表。做 3 套模考稳定 80% 以上。

Real test-taker experiences

What it actually took for real candidates to pass — prep time, scores, and lessons learned.

PBQ 是最让人紧张的部分 — 模拟了一个 Windows 桌面让你排查网络连接问题。建议在 VirtualBox 里装一个 Windows 反复练命令行操作。

零基础转 IT742/900
· 7 weeks prep

有工作经验的话 Core 2 比 Core 1 简单很多，因为故障排除和安全这些天天在做。最容易丢分的是 Linux 命令行部分（chmod、chown、apt-get），平时不用 Linux 的要额外复习。

Help Desk 1 年815/900
· 3 weeks prep

Certification comparison

CompTIA A+ Core 2CompTIA A+ Core 1CompTIA Network+
ProviderCompTIACompTIACompTIA
Level助理级助理级助理级
Fee$358$358$369
Duration90 min90 min90 min
Questions per exam909090
Validity3 yrs3 yrs3 yrs

Study tips and common mistakes

💡

**PBQ 放到最后做**：PBQ 费时间，先做选择题，最后回来做 PBQ。系统会记住你的答案，跳过不影响。

💡

**CompTIA 的"最佳答案"逻辑**：很多题有 2 个看起来对的选项，选"最符合 CompTIA 方法论"的那个，不一定是实际工作中你会怎么做。

💡

**macOS 和 Linux 各出 5-8 题**：不要因为 Windows 题多就忽略这两个平台，Linux 命令行是高频丢分点。

⚠️

**Windows 版本功能区别** — Home 没有 BitLocker、没有 gpedit.msc、不能加域。考试喜欢问"客户需要加域，应该升级到哪个版本"。

⚠️

**恶意软件清除步骤顺序** — CompTIA 的标准顺序：断网 → 识别症状 → 启用修复环境 → 扫描清除 → 调度扫描 → 启用系统还原 → 验证功能。

⚠️

**Linux 文件权限** — chmod 755 表示 owner rwx、group rx、others rx。会考"给文件设置只有 owner 可读写"答案是 chmod 600。

Frequently Asked Questions

If you plan to take CompTIA A+ Core 2, start with real practice.

320 questions, chapter-by-chapter learning, mock exams, wrong-question review, and AI tutor support live in the exam page.

Go to exam prep

From $29 · 2 free chapters

Student reviews

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Related certifications

CompTIA A+ Core 1

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CompTIA Security+

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EXAM PREP

CompTIA A+ Core 2 Question Bank

Chapter-by-chapter learning + mock exams + AI tutor

320
Questions
5
Chapters
36h
Study
AI
Tutor
  • First 2 chapters free
  • Real exam format mock tests
  • AI-powered wrong answer review
  • Chapter progress tracking
From $29
Start Practice Now

Prep snapshot

Study chapters5
Practice questions320
Estimated hours36h

What is inside

  • 320 practice questions focused on the software and support side of A+
  • Coverage of operating systems, security, troubleshooting, and operational procedures
  • Practical explanations for common desktop support problems
  • Built around the official 90-minute exam format
  • Pairs naturally with A+ Core 1 as the second half of the certification