How difficult is the 1Z0-1084-20 exam?

The 1Z0-1084-20 exam contains approximately 55 questions with a 105-minute time limit, requiring a passing score of 65%. We recommend systematic study combined with extensive practice questions to prepare.

What is the exam fee and validity period?

The 1Z0-1084-20 exam costs $245 USD. Oracle certifications typically do not have a fixed expiration date, but it is recommended to update regularly to stay current with the latest technologies.

How do I register for the exam?

You can register through the Oracle University website or Pearson VUE test centers. Both online proctored and in-person testing options are available.

Oracle助理级☁️ 云计算

Oracle Cloud Infrastructure Developer 2020 Associate (1Z0-1084-20)

Oracle OCI developer certification covering cloud-native apps, API integration, developer tools, data services, observability, and security. Includes 60+ practice questions, a 105-minute exam format, and a $245 fee.

Start Practice Browse Learning Path

$245

Exam Fee

Questions

105m

Exam Duration

65/100

Passing Score

Bottom line · It depends

OCI Developer 认证在 Oracle 生态内有用（ERP Cloud、Fusion Middleware 项目），但和 AWS/Azure 开发者认证相比市场需求量小一个数量级。

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What this certification covers

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

Oracle Cloud Infrastructure Developer 2020 Associate (1Z0-1084-20) 验证在 OCI 上开发和部署云原生应用的能力。55 题 / 105 分钟，及格线 65%（约 36 题），费用 $245 USD。覆盖 OCI 核心服务（Compute/Networking/Storage/IAM）、容器服务（OKE - Oracle Kubernetes Engine）、Serverless（OCI Functions 基于 Fn Project）、API Gateway、Streaming、Events 和 DevOps（Terraform + Resource Manager）。

OCI 在全球云市场份额约 2-3%（Synergy Research 2025），远小于 AWS（32%）和 Azure（23%），但 Oracle 的杀手锏是 Autonomous Database 和 Oracle ERP Cloud/Fusion Apps — 这两个领域没有替代品。用 OCI 的企业几乎都是因为已经深度使用 Oracle 数据库或 Oracle ERP，不是因为 OCI 的 IaaS 比 AWS 好。

这张证适合的场景很明确：你在做 Oracle Cloud 项目（ERP Cloud 实施、Autonomous Database 开发、从 on-prem Oracle 迁移到 OCI），需要证明你不只会用 Oracle 数据库，还懂 OCI 的云原生服务。

You will work with

Oracle 技术数据库管理系统架构性能优化故障排除

After preparation

Prepare for the Oracle 1Z0-1084-20 exam with a structured study path
Build and integrate applications on OCI with more confidence
Use OCI developer tools, APIs, and data services in practical scenarios
Improve your fit for OCI developer and cloud engineering roles

Exam details

Exam Code

1Z0-1084-20

Provider

Oracle

Duration

105 minutes

Question Count

55 questions

Passing Score

65/100

Validity

0 years

Exam Fee

$245 USD

Question Types

Single choice, Multiple select

Languages

English, 日本語

Official Page

Open AWS page

Who should take it

Good fit

Developers building cloud-native applications on OCI
Cloud engineers and DevOps practitioners working with Oracle services
Implementation teams that integrate APIs, events, and data services
Oracle professionals moving from general cloud use into application development

Before you start

Basic programming knowledge is helpful
You should understand cloud and API concepts at a high level
Hands-on OCI experience makes the exam much easier
Some familiarity with containers or infrastructure as code is useful

Is it worth it? Career value

Salary ranges, target job titles, and the real career impact of holding Oracle 1Z0-1084-20.

澳洲

$100K-150KAUD

美国

$95K-145KUSD

中国

¥250K-450KCNY

OCI DeveloperOracle Cloud EngineerOracle ERP Technical ConsultantCloud Application Developer

OCI 相关岗位在澳洲的需求集中在 Oracle 合作伙伴（Accenture、Deloitte、DXC 的 Oracle Practice）和少数大企业的 Oracle 团队。薪资水平和 Oracle DBA/ERP 顾问相当，$100-150K AUD 区间。

这张证的独特价值在于 Oracle 生态的稀缺性 — 会 OCI 的人比会 AWS 的人少得多，竞争也小。如果你已经在 Oracle 技术栈里（DBA/PL-SQL/ERP），加一张 OCI 开发者认证能显著拓宽职业路径。

不适合的人群：没有 Oracle 技术背景想进云计算的人 — 直接考 AWS SAA-C03 或 AZ-104，市场需求大 10 倍以上。

Study preparation

With hands-on AWS

4-6 weeks

From scratch

8-10 weeks

Daily pace

1-2 hours/day

Learning path preview

7 chapters

1Z0-1084-20 Exam Overview and Study Plan

30 min

Cloud Native Application Development

60 min

API Management and Service Integration

70 min

OCI Developer Tools and SDKs

80 min

Data Services for Developers

90 min

Observability and Application Security

100 min

+ 1 more chapters inside the full path

Step-by-step preparation

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

第一阶段：OCI 核心服务动手（2 周）

注册 OCI Free Tier（永久免费额度包含 2 个 AMD Compute、Autonomous Database、Object Storage）。走完官方 Get Started 教程：创建 VCN + Subnet、启动 Compute 实例、配置 Security List/NSG。理解 OCI 的 Compartment（资源隔离单元）和 IAM Policy 语法（Allow group X to manage Y in compartment Z）。

第二阶段：容器 + Serverless + API（2 周）

用 OKE 部署一个简单的 Docker 容器应用；用 OCI Functions（基于 Fn Project 开源框架）写一个 HTTP trigger function；配置 API Gateway 路由到 Function。理解 OCI Events + Notifications + Streaming 的事件驱动架构模式。

第三阶段：DevOps + 模考（2 周）

OCI Resource Manager（托管 Terraform）的 Stack 创建和 Plan/Apply 流程。OCI DevOps 服务的 Build Pipeline + Deployment Pipeline 配置。用 Oracle 官方 Practice Exam 和 Whizlabs OCI Developer 题库做模考，目标稳定 75%+。

Real test-taker experiences

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

我在 on-prem 做了 6 年 Oracle 数据库，公司决定迁到 OCI。考试里 OKE 和 Functions 占了不少分，这两块我之前完全没碰过。建议 DBA 出身的人重点学容器和 Serverless，数据库相关的题反而简单。

Oracle DBA 转云78%

Oracle DBA 6 年 · 5 weeks prep

有 AWS 经验后学 OCI 很快 — 概念都能对应上（VCN ≈ VPC、Compartment ≈ Account/OU、OKE ≈ EKS）。最大的区别是 IAM Policy 语法完全不同，OCI 用自然语言式的 Policy Statement 而不是 JSON。这块考了 5-6 道。

AWS 转 OCI82%

云工程师 3 年 · 4 weeks prep

Certification comparison

	Oracle 1Z0-1084-20	Oracle 1Z0-1072-23	Oracle 1Z0-932
Provider	Oracle	Oracle	Oracle
Level	助理级	专业级	助理级
Fee	$245	$245	$245
Duration	105 min	120 min	105 min
Question count	55	55	60
Validity	0 yrs	0 yrs	0 yrs

Study tips and common mistakes

💡

55 题 105 分钟，约 2 分钟/题，时间还算充裕。

💡

IAM Policy 语法是重中之重 — 记住格式 "Allow <subject> to <verb> <resource-type> in <location> where <conditions>"，至少考 5 题。

💡

OCI Free Tier 是最好的学习工具，所有考点都可以在 Free Tier 上实操验证。

⚠️

**Compartment 层级关系** — OCI 的资源隔离是通过 Compartment 树实现的，Policy 在 parent compartment 设置会继承到 child。很多人搞混 Compartment 和 Region 的关系（Compartment 是逻辑隔离，跨 Region 生效）。

⚠️

**Security List vs NSG** — Security List 作用于整个 Subnet，NSG 作用于单个 VNIC。考试经常问"最小权限原则下应该用哪个"，答案是 NSG。

⚠️

**OCI Functions 的冷启动** — OCI Functions 基于 Fn Project，冷启动时间比 AWS Lambda 长，考试会问如何优化（provisioned concurrency 概念）。

FAQ

Frequently Asked Questions

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