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1Z0-1085

Oracle Cloud Infrastructure Foundations

The Oracle Cloud Infrastructure Foundations (1Z0-1085) certification validates foundational knowledge of Oracle Cloud Infrastructure (OCI) core services, architecture, and key concepts. This entry-level certification is designed for individuals who are new to cloud computing or new to OCI, including business analysts, project managers, sales professionals, and anyone who needs to demonstrate basic understanding of Oracle's cloud platform.

The exam covers five domains: Cloud Concepts (understanding cloud service models and deployment models), OCI Architecture (regions, availability domains, fault domains), Core OCI Services (compute, storage, networking, database), Security and Compliance (identity and access management, security services, compliance frameworks), and Pricing and Billing (pricing models, cost management tools). Candidates should understand the fundamentals of IaaS, PaaS, and SaaS, the components of OCI's physical architecture, and the basic features of core services like Compute, Block Volume, Object Storage, Virtual Cloud Network, and Autonomous Database.

This certification was last updated in 2024 and is ideal for professionals who are beginning their cloud journey with Oracle Cloud or need to validate their foundational knowledge for roles that interact with OCI. It serves as a stepping stone to more advanced OCI certifications.

Updated 2024 Cloud Computing

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1Z0-1085 Practice Exam 1

Comprehensive Oracle Cloud Infrastructure Foundations practice exam covering cloud concepts, OCI architecture, core services, security and compliance, and pricing and billing across 55 questions.

55 Q 85 минути 68%

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1Z0-1085 Practice Exam 2

Full-length OCI Foundations practice test covering cloud deployment models, OCI compute and storage services, identity management, and cost optimization across 55 questions.

55 Q 85 минути 68%

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1Z0-1085 Practice Exam 3

OCI Foundations practice exam testing knowledge of cloud service models, networking and database services, security zones, and billing management across 55 questions.

55 Q 85 минути 68%

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1Z0-1085 Practice Exam 4

Practice test covering OCI Foundations topics including scalability concepts, container services, data protection, compliance frameworks, and support plans across 55 questions.

55 Q 85 минути 68%

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1Z0-1085 Practice Exam 5

OCI Foundations practice exam assessing understanding of cloud migration, OCI load balancing, autonomous database, vault services, and free tier resources across 55 questions.

55 Q 85 минути 68%

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€5.00

1Z0-1085 Practice Exam 6

Comprehensive OCI Foundations practice test covering hybrid cloud, OCI monitoring, MySQL HeatWave, web application firewall, and universal credits across 55 questions.

55 Q 85 минути 68%

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1Z0-1085 Cheat Sheet

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Oracle Cloud Infrastructure Foundations (1Z0-1085)

The 1Z0-1085 exam validates your foundational understanding of Oracle Cloud Infrastructure core services, including compute, storage, networking, database, identity, security, and pricing models. This entry-level certification is intended for candidates who want to demonstrate broad knowledge of OCI without deep hands-on experience. It is the recommended starting point for anyone pursuing OCI certifications and is valuable for sales, presales, technical, and managerial roles who interact with Oracle Cloud. The exam covers cloud concepts, the OCI global infrastructure, core services across all pillars, security and compliance, and the OCI pricing and billing model.

Exam Details

Exam Code	1Z0-1085
Duration	85 minutes
Number of Questions	55 questions
Passing Score	68%
Cost	$245 USD
Validity	18 months (must recertify)
Question Types	Multiple choice, multiple select
Testing Options	Pearson VUE testing center or online proctored
Recommended Experience	No prerequisites; general cloud knowledge helpful
Certification Level	Foundations

Domain Weights

Domain	Weight
Domain 1: Cloud Concepts	15%
Domain 2: Core OCI Services (Compute, Storage, Networking)	35%
Domain 3: Database, Security & Identity	30%
Domain 4: Pricing, Billing & Governance	20%

Study Tips

Core OCI Services carry the highest weight at 35%; focus on understanding compute shapes, block and object storage, VCN architecture, and load balancing concepts
Know the OCI global infrastructure hierarchy: Regions contain Availability Domains (ADs), which contain Fault Domains (FDs); understand how each layer provides redundancy
OCI pricing is fundamentally different from other clouds; understand universal credits, BYOL discounts, always-free tier resources, and the pay-as-you-go model
The OCI Always Free tier includes 2 AMD Compute VMs, 2 Autonomous Databases, 200 GB object storage, and more; this is frequently tested
Understand the OCI shared responsibility model: Oracle manages the physical infrastructure, the customer manages data, access policies, and workload configurations
OCI Identity and Access Management (IAM) with Identity Domains is a key exam topic; know the difference between compartments, policies, groups, and dynamic groups
Use the free OCI training on Oracle University and the OCI Always Free tier to get hands-on practice before the exam

Exam Day Checklist

Arrive 15 minutes early at the testing center or start online proctoring check-in 30 minutes before scheduled time
Bring two valid forms of identification (one with photo) for testing center exams
You have 85 minutes for 55 questions, giving approximately 1.5 minutes per question
Read each question carefully; multiple-select questions specify how many answers to choose
You need 68% to pass; budget time to review flagged questions at the end
Results are available immediately after completing the exam; your score report shows performance by domain

Cloud Service Models

Model	You Manage	Oracle Manages	OCI Examples
IaaS	OS, runtime, apps, data	Hardware, hypervisor, networking	Compute VMs, Block Volumes, VCN
PaaS	Apps and data only	OS, runtime, middleware, hardware	Autonomous Database, Functions, Container Engine
SaaS	Data and access config only	Everything (full stack)	Oracle Fusion ERP, HCM, CX Cloud

OCI Global Infrastructure

Concept	Description
Regions	Localized geographic areas with one or more Availability Domains; 45+ commercial and government regions globally; each region is independent and isolated from others; you choose regions based on proximity to users, data residency, and service availability
Availability Domains (ADs)	Independent, fault-tolerant data centers within a region; connected via low-latency, high-bandwidth network; each AD has independent power, cooling, and networking; multi-AD regions have 3 ADs for maximum availability
Fault Domains (FDs)	Groupings of hardware within an AD; each AD has 3 fault domains; act as anti-affinity groups ensuring hardware failures in one FD do not affect other FDs; provide protection against hardware failures within a single AD
Realm	Logical collection of regions isolated from other realms; Commercial realm, Government realm (FedRAMP/IL5), and Dedicated Region realm; tenancies exist within a single realm

Exam Tip: The hierarchy is Realm → Region → Availability Domain → Fault Domain. Single-AD regions still have 3 fault domains for hardware-level redundancy.

OCI Compute Services

Service	Type	Description
Bare Metal	IaaS	Dedicated physical server with no hypervisor; maximum performance and isolation; ideal for workloads requiring direct hardware access, HPC, or licensing that requires physical cores
Virtual Machines	IaaS	Hypervisor-based compute instances; flexible shapes (Standard, DenseIO, GPU, HPC, Optimized); support for AMD, Intel, and Arm (Ampere) processors; live migration for maintenance
Dedicated VM Hosts	IaaS	Run VMs on a single-tenant physical server dedicated to your tenancy; helps meet compliance requirements and software licensing models that require dedicated hardware
Container Instances	PaaS	Serverless container execution without managing infrastructure; run containers directly; ideal for simple containerized workloads, CI/CD pipelines, and batch processing
OKE (Container Engine for Kubernetes)	PaaS	Managed Kubernetes service; Oracle manages the control plane; supports virtual node pools for serverless pod execution; integrates with OCI networking and identity
OCI Functions	Serverless	Event-driven serverless compute based on Fn Project; pay per execution; auto-scales to zero; supports multiple languages; triggered by OCI Events, API Gateway, or direct invocation

OCI Compute Shapes

Shape Type	Prefix	Use Case
Standard	VM.Standard	General-purpose workloads; balanced compute, memory, and networking
DenseIO	VM.DenseIO	High-performance local NVMe storage; big data, databases requiring local SSD
GPU	VM.GPU, BM.GPU	Machine learning, AI training and inference, HPC, graphics rendering
HPC	BM.HPC	High-performance computing with RDMA networking; scientific simulations
Flex (Flexible)	VM.Standard.E4.Flex	Customize OCPUs and memory independently; pay only for what you allocate; most cost-effective option for variable workloads

Exam Tip: Flexible shapes let you choose the exact number of OCPUs (1-64) and memory (1-64 GB per OCPU) for a VM. Ampere A1 Flex shapes are included in the Always Free tier.

OCI Networking Services

Service	Description
Virtual Cloud Network (VCN)	Software-defined private network in OCI; regional resource spanning all ADs in a region; uses CIDR blocks (e.g., 10.0.0.0/16); contains subnets, route tables, security lists, and gateways; fundamental networking building block
Subnets	Subdivisions of a VCN; can be public (with internet access) or private (no internet access); regional (span all ADs) or AD-specific; each subnet has its own route table and security lists
Internet Gateway	Enables resources in public subnets to communicate with the internet; one per VCN; provides both inbound and outbound internet connectivity
NAT Gateway	Enables resources in private subnets to initiate outbound connections to the internet; does not allow inbound connections from the internet; provides internet access without exposing private resources
Service Gateway	Provides private access to Oracle services (Object Storage, Autonomous DB) without traffic traversing the internet; uses Oracle Services Network; keeps traffic on the Oracle backbone network
Dynamic Routing Gateway (DRG)	Virtual router that connects VCNs to on-premises networks via IPSec VPN or FastConnect; also used for VCN-to-VCN peering across regions; acts as the hub in hub-and-spoke network topologies
Local Peering Gateway (LPG)	Connects two VCNs within the same region; traffic stays within the region and does not traverse the internet; each VCN in the peering relationship needs an LPG
FastConnect	Dedicated private connection between on-premises and OCI; does not traverse the public internet; higher bandwidth (1-100 Gbps), lower latency, and more consistent performance than VPN

VCN Security

Component	Scope	Description
Security Lists	Subnet level	Virtual firewall rules applied to all VNICs in a subnet; contain ingress and egress rules; stateful (default) or stateless; applied at the subnet level; support CIDR, service CIDR, and other VCN sources
Network Security Groups (NSGs)	VNIC level	Virtual firewall rules applied to specific VNICs (network interfaces); more granular than security lists; can reference other NSGs as source/destination; recommended approach for microsegmentation
Route Tables	Subnet level	Define rules for routing traffic from subnets to gateways (Internet, NAT, Service, DRG, LPG); each subnet is associated with one route table; determine where network traffic is directed

Exam Tip: Security Lists apply to ALL resources in a subnet while NSGs apply to specific VNICs. Oracle recommends using NSGs over security lists for more granular control.

OCI Load Balancers

Type	Layer	Description
Load Balancer	Layer 7 (HTTP/HTTPS)	Application load balancer with SSL termination, path-based routing, cookie-based session persistence; supports public and private configurations; flexible shapes (10 Mbps to 8 Gbps) or dynamic shapes
Network Load Balancer	Layer 4 (TCP/UDP)	High-performance transport-level load balancer; preserves source IP; handles millions of flows; ideal for non-HTTP workloads and ultra-low-latency applications

OCI Storage Services

Service	Type	Description
Block Volume	Block Storage	Persistent network-attached storage for compute instances; survives instance termination; supports online resizing, cloning, and cross-region backups; performance tiers: Lower Cost, Balanced, Higher Performance, Ultra High Performance
Boot Volume	Block Storage	Contains the OS image for a compute instance; automatically created with every instance; can be detached and attached to a different instance; supports backup and cloning
Object Storage	Object Storage	Unlimited, durable storage for unstructured data; accessed via REST API; supports versioning, lifecycle policies, and cross-region replication; two tiers: Standard (hot) and Archive (cold, minimum 90-day retention)
File Storage (FSS)	File Storage	NFS-compatible shared file system; supports concurrent access from multiple compute instances; snapshots for point-in-time copies; scales to 8 exabytes; ideal for shared application data and HPC workloads
Local NVMe	Local Storage	High-performance locally attached NVMe SSD storage on DenseIO shapes; extremely low latency; data is not persistent across instance lifecycle; ideal for temporary high-IOPS workloads

Object Storage Tiers

Tier	Access Pattern	Retrieval	Use Case
Standard	Frequently accessed (hot)	Immediate	Active data, web content, application assets
Infrequent Access	Infrequently accessed	Immediate	Backups, logs, data accessed less than once a month
Archive	Rarely accessed	Restore required (1 hour)	Compliance archives, long-term retention; minimum 90-day retention

OCI Database Services

Service	Type	Description
Autonomous Database (ADB)	PaaS (Fully Managed)	Self-driving, self-securing, self-repairing Oracle Database; automated patching, tuning, backups, and scaling; two workload types: Autonomous Data Warehouse (ADW) for analytics and Autonomous Transaction Processing (ATP) for OLTP; serverless or dedicated infrastructure
DB Systems (Bare Metal/VM)	IaaS/PaaS	Oracle Database running on bare metal or VM compute; customer manages patching and tuning; supports RAC for high availability; ideal when you need full control over the database configuration
Exadata Cloud Service	PaaS	Oracle Exadata hardware running in OCI; extreme performance for Oracle Database workloads; supports RAC, Data Guard, and hybrid partitioned tables; dedicated infrastructure with full Exadata features
MySQL Database Service	PaaS	Fully managed MySQL with HeatWave for analytics; automated backups, patching, and HA; HeatWave adds massively parallel in-memory query acceleration for analytics and ML workloads
NoSQL Database	PaaS	Fully managed NoSQL database service; supports JSON, table, and key-value data models; single-digit millisecond latency; automatic scaling; ideal for IoT, mobile apps, and real-time analytics

Exam Tip: Autonomous Database is the most heavily tested database topic. Know the difference between ATP (transactional) and ADW (analytics) workload types and that both are fully self-managing.

OCI Identity and Access Management (IAM)

Concept	Description
Tenancy	Root compartment; the top-level container for all OCI resources; created when you sign up for OCI; contains all compartments, users, groups, and policies
Compartments	Logical containers for organizing and isolating OCI resources; can be nested up to 6 levels; resources belong to exactly one compartment; policies control access at the compartment level; use for multi-project or multi-team isolation
Users	Individual identities that can authenticate to OCI; support API keys, auth tokens, console passwords, and SMTP credentials; can be local or federated from external identity providers
Groups	Collections of users with the same access permissions; policies are written against groups (not individual users); a user can belong to multiple groups
Policies	Human-readable statements that define who can access what resources; syntax: Allow group {group} to {verb} {resource-type} in compartment {compartment}; verbs: inspect, read, use, manage (increasing permission levels)
Dynamic Groups	Groups defined by matching rules instead of manual membership; resources (like compute instances) that match the rule are automatically members; used to grant OCI resources permission to call other OCI services via instance principals
Identity Domains	Container for managing users, groups, federation, MFA, and SSO; supports multiple identity domains per tenancy for different user populations; includes SCIM-based user provisioning and lifecycle management

IAM Policy Verbs

Verb	Access Level	Example
inspect	List resources (metadata only)	Allow group auditors to inspect all-resources in tenancy
read	Inspect + get resource details	Allow group viewers to read instances in compartment dev
use	Read + update existing resources	Allow group operators to use instances in compartment prod
manage	Full control (CRUD + permissions)	Allow group admins to manage all-resources in tenancy

OCI Security Services

Service	Description
OCI Vault	Centralized key management service; create and manage encryption keys and secrets; supports HSM-backed (FIPS 140-2 Level 3) and software-backed keys; integrates with Block Volumes, Object Storage, and other OCI services for encryption
Cloud Guard	Automated security monitoring and remediation; detects misconfigurations and security threats using detector recipes; automatically remediates issues using responder recipes; provides a unified security dashboard with risk scores
Security Zones	Enforce security best practices by preventing actions that weaken security posture; associated with compartments; prevent creating public subnets, disabling encryption, or opening broad security list rules within the zone
Web Application Firewall (WAF)	Protects web applications from common web exploits (OWASP Top 10); provides DDoS protection, bot management, and access control; operates at the edge to filter malicious traffic before it reaches your application
Bastion Service	Provides restricted, time-limited SSH and RDP access to resources in private subnets without public IPs; managed jump host; sessions have configurable TTL; eliminates the need for a self-managed bastion host

OCI Pricing Model

Model	Description	Savings
Pay As You Go (PAYG)	Pay only for what you consume with no upfront commitment; billed per hour or per GB; ideal for testing, development, and unpredictable workloads	No discount (list price)
Annual Universal Credits	Commit to a minimum annual spend; receive a pool of universal credits that can be used across any OCI service; unused credits roll over month to month within the annual term	Significant discount vs PAYG
Monthly Flex (Universal Credits)	Commit to a minimum monthly spend; credits can be used for any OCI service; provides pricing flexibility with commitment discounts	Discount based on commitment
Bring Your Own License (BYOL)	Use existing Oracle Database or middleware licenses in OCI; reduces the cost of OCI database services by applying on-premises license entitlements; available for DB Systems and Autonomous Database	Up to 74% savings on database services

OCI Always Free Tier

Compute: 2 AMD-based Micro VMs (1/8 OCPU, 1 GB RAM each) or up to 4 Arm-based Ampere A1 VMs (total 24 GB RAM, 4 OCPUs)
Autonomous Database: 2 databases with 1 OCPU and 20 GB storage each (ATP or ADW)
Object Storage: 20 GB Standard tier, 20 GB Infrequent Access tier
Block Volume: 200 GB total (2 block volumes, 5 backups)
Load Balancer: 1 flexible load balancer (10 Mbps bandwidth)
Networking: VCN, 10 TB outbound data per month, Site-to-Site VPN
Monitoring & Notifications: 500 million monitoring data points, 1 million notification deliveries per month

Exam Tip: The Always Free tier is permanent and does not expire after a trial period. These resources remain available as long as the tenancy is active. The 30-day Free Trial with $300 credits is separate and temporary.

OCI Key Differentiators (vs. Other Clouds)

Differentiator	Description
Off-box Network Virtualization	Network processing happens on dedicated SmartNICs, not on the host CPU; eliminates the noisy neighbor problem; provides predictable performance and bare-metal-level network throughput for VMs
No Data Egress Charges (within Region)	Outbound data transfer within a region is free; between regions data is metered; 10 TB free outbound to internet per month; significantly lower egress pricing than AWS/Azure
Consistent Pricing Globally	Same price for the same service in all commercial regions worldwide; no regional price variation; simplifies cost forecasting for global deployments
Autonomous Database	No equivalent in other clouds; fully self-managing Oracle Database with automatic patching, tuning, scaling, and security; eliminates routine DBA tasks
Dedicated Region Cloud@Customer	Full OCI region deployed in your data center; managed by Oracle; same APIs, SLAs, and pricing as public OCI; meets data sovereignty and latency requirements

OCI Governance & Observability

Service	Description
Budgets	Set spending thresholds at the compartment or tenancy level; trigger alerts when actual or forecasted spending exceeds the threshold; helps prevent cost overruns
Cost Analysis	Visualize and analyze OCI spending with customizable reports; filter by service, compartment, tag, or date range; export cost data for external analysis
Tagging	Apply metadata tags (key-value pairs) to resources for cost tracking, governance, and automation; two types: free-form tags (user-defined) and defined tags (namespace-controlled, can enforce allowed values)
Audit Service	Records all API calls and events in OCI; provides who, what, when, and where for every action; retained for 365 days; essential for compliance and forensic analysis
Monitoring	Collects and analyzes metrics from OCI resources; define alarms to trigger notifications when thresholds are breached; built-in metrics for compute, storage, networking, and database services
Logging	Centralized log management for OCI services and custom applications; three log types: Audit Logs (IAM events), Service Logs (OCI service events), and Custom Logs (application logs via fluentd agent)

Compute Options Comparison

Feature	Bare Metal	Virtual Machine	Container Instance	Functions
Isolation	Physical server	Hypervisor	Container runtime	Serverless execution
Control Level	Full (OS, firmware, BIOS)	High (OS and above)	Container image	Code only
Scaling	Manual	Autoscaling pools	Per container	Automatic to zero
Pricing	Per hour (full server)	Per OCPU/hour	Per OCPU/GB per second	Per invocation + duration
Best For	HPC, licensing needs, max performance	General workloads, web apps	Simple containerized apps, CI/CD	Event-driven, microservices

Storage Types Comparison

Feature	Block Volume	Object Storage	File Storage	Local NVMe
Access Method	iSCSI / paravirtualized	REST API (HTTPS)	NFS v3	Direct attached
Persistence	Persistent (survives termination)	Persistent (independent)	Persistent (shared)	Non-persistent (lost on termination)
Shared Access	Multi-attach (read-only)	Unlimited concurrent	Unlimited concurrent (NFS)	Single instance only
Use Case	Boot disks, databases	Backups, media, archives	Shared files, HPC, containers	Temp data, high IOPS cache

Database Services Comparison

Feature	Autonomous DB	DB System (VM/BM)	Exadata Cloud
Management	Fully automated (self-driving)	Customer managed	Shared (Oracle manages infra)
Patching	Automatic, zero downtime	Customer-scheduled	Customer-scheduled
Scaling	Auto-scaling (CPU and storage)	Manual scaling	Online scaling of compute/storage
Best For	Minimal DBA overhead, rapid deployment	Full DB control, custom configs	Extreme performance, consolidation

Connectivity Options Comparison

Feature	IPSec VPN	FastConnect
Connection Type	Encrypted tunnel over public internet	Dedicated private connection
Bandwidth	Limited by internet bandwidth	1 Gbps, 10 Gbps, or 100 Gbps
Latency	Variable (internet-dependent)	Low and consistent
Cost	Low (included with VCN)	Higher (port fee + partner charges)
Best For	Quick setup, smaller workloads, backup connectivity	Mission-critical, high-bandwidth, low-latency requirements

Gateway Types Quick Reference

Gateway	Direction	Destination
Internet Gateway	Bidirectional	Public internet (public subnets only)
NAT Gateway	Outbound only	Public internet (private subnets)
Service Gateway	Bidirectional	Oracle Services Network (private path)
DRG	Bidirectional	On-premises, other VCNs, other regions
LPG	Bidirectional	Another VCN in same region

1Z0-1085

Oracle Cloud Infrastructure Foundations

1Z0-1085 Practice Exam 1

1Z0-1085 Practice Exam 2

1Z0-1085 Practice Exam 3

1Z0-1085 Practice Exam 4

1Z0-1085 Practice Exam 5

1Z0-1085 Practice Exam 6

Отключете цялото съдържание за 1Z0-1085

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Теми на изпита

1Z0-1085 Cheat Sheet

Oracle Cloud Infrastructure Foundations (1Z0-1085)

Exam Details

Domain Weights

Study Tips

Exam Day Checklist

Cloud Service Models

OCI Global Infrastructure

OCI Compute Services

OCI Compute Shapes

OCI Networking Services

VCN Security

OCI Load Balancers

OCI Storage Services

Object Storage Tiers

OCI Database Services

OCI Identity and Access Management (IAM)

IAM Policy Verbs

OCI Security Services

OCI Pricing Model

OCI Always Free Tier

OCI Key Differentiators (vs. Other Clouds)

OCI Governance & Observability

Compute Options Comparison

Storage Types Comparison

Database Services Comparison

Connectivity Options Comparison

Gateway Types Quick Reference