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CompTIA CV0-003 Exam Syllabus Topics:

TopicDetails

Cloud Architecture and Design - 13%

Compare and contrast the different types of cloud models.- Deployment models
  • Public
  • Private
  • Hybrid
  • Community
  • Cloud within a cloud
  • Multicloud
  • Multitenancy

- Service models

  • Infrastructure as a Service (IaaS)
  • Platform as a Service (PaaS)
  • Software as a Service (SaaS)

- Advanced cloud services

  • Internet of Things (IoT)
  • Serverless
  • Machine learning/Artificial intelligence (AI)

- Shared responsibility model

Explain the factors that contribute to capacity planning.- Requirements
  • Hardware
  • Software
  • Budgetary
  • Business need analysis

- Standard templates

  • Per-user
  • Socket-based
  • Volume-based
  • Core-based
  • Subscription

- Licensing
- User density
- System load
- Trend analysis

  • Baselines
  • Patterns
  • Anomalies

- Performance capacity planning

Explain the importance of high availability and scaling in cloud environments.- Hypervisors
  • Affinity
  • Anti-affinity

- Oversubscription

  • Compute
  • Network
  • Storage

- Regions and zones
- Applications
- Containers
- Clusters
- High availability of network functions

  • Switches
  • Routers
  • Load balancers
  • Firewalls

- Avoid single points of failure
- Scalability

  • Auto-scaling
  • Horizontal scaling
  • Vertical scaling
  • Cloud bursting
Given a scenario, analyze the solution design in support of the business requirements.- Requirement analysis
  • Software
  • Hardware
  • Integration
  • Budgetary
  • Compliance
  • Service-level agreement (SLA)
  • User and business needs
  • Security
  • Network requirements
    1. Sizing
    2. Subnetting
    3. Routing

- Environments

  • Development
  • Quality assurance (QA)
  • Staging
  • Blue-green
  • Production
  • Disaster recovery (DR)

- Testing techniques

  • Vulnerability testing
  • Penetration testing
  • Performance testing
  • Regression testing
  • Functional testing
  • Usability testing

Security - 20%

Given a scenario, configure identity and access management.- Identification and authorization
  • Privileged access management
  • Logical access management
  • Account life-cycle management
    1. Provision and deprovision accounts
  • Access controls
    1. Role-based
    2. Discretionary
    3. Non-discretionary
    4. Mandatory

- Directory services

  • Lightweight directory access protocol (LDAP)

- Federation
- Certificate management
- Multifactor authentication (MFA)
- Single sign-on (SSO)

  • Security assertion markup language (SAML)

- Public key infrastructure (PKI)
- Secret management
- Key management

Given a scenario, secure a network in a cloud environment.- Network segmentation
  • Virtual LAN (VLAN)/Virtual extensible LAN (VXLAN)/Generic network virtualization encapsulation (GENEVE)
  • Micro-segmentation
  • Tiering

- Protocols

  • Domain name service (DNS)
    1. DNS over HTTPS (DoH)/DNS over TLS (DoT)
    2. DNS security (DNSSEC)
  • Network time protocol (NTP)
    1. Network time security (NTS)
  • Encryption
    1. IPSec
    2. Transport layer security (TLS)
    3. Hypertext transfer protocol secure (HTTPS)
  • Tunneling
    1. Secure Shell (SSH)
    2. Layer 2 tunneling protocol (L2TP)/Point-to-point tunneling protocol (PPTP)
    3. Generic routing encapsulation (GRE)

- Network services

  • Firewalls
    1. Stateful
    2. Stateless
  • Web application firewall (WAF)
  • Application delivery controller (ADC)
  • Intrusion protection system (IPS)/Intrusion detection system (IDS)
  • Data loss prevention (DLP)
  • Network access control (NAC)
  • Packet brokers

- Log and event monitoring
- Network flows
- Hardening and configuration changes

  • Disabling unnecessary ports and services
  • Disabling weak protocols and ciphers
  • Firmware upgrades
  • Control ingress and egress traffic
    1. Allow list (previously known as whitelisting) or blocklist (previously known as blacklisting)
    2. Proxy servers
  • Distributed denial of service (DDoS) protection
Given a scenario, apply the appropriate OS and application security controls.- Policies
  • Password complexity
  • Account lockout
  • Application approved list (previously known as whitelisting)
  • Software feature
  • User/group

- User permissions
- Antivirus/anti-malware/endpoint detection and response (EDR)
- Host-based IDS (HIDS)/Host-based IPS (HIPS)
- Hardened baselines

  • Single function

- File integrity
- Log and event monitoring
- Configuration management
- Builds

  • Stable
  • Long-term support (LTS)
  • Beta
  • Canary

- Operating system (OS) upgrades
- Encryption

  • Application programming interface (API) endpoint
  • Application
  • OS
  • Storage
  • Filesystem

- Mandatory access control
- Software firewall

Given a scenario, apply data security and compliance controls in cloud environments.- Encryption
- Integrity
  • Hashing algorithms
  • Digital signatures
  • File integrity monitoring (FIM)

- Classification
- Segmentation
- Access control
- Impact of laws and regulations

  • Legal hold

- Records management

  • Versioning
  • Retention
  • Destruction
  • Write once read many

- Data loss prevention (DLP)
- Cloud access security broker (CASB)

Given a scenario, implement measures to meet security requirements.- Tools
  • Vulnerability scanners
  • Port scanners

- Vulnerability assessment

  • Default and common credential scans
  • Credentialed scans
  • Network-based scans
  • Agent-based scans
  • Service availabilities

- Security patches

  • Hot fixes
  • Scheduled updates
  • Virtual patches
  • Signature updates
  • Rollups

- Risk register
- Prioritization of patch application
- Deactivate default accounts
- Impacts of security tools on systems and services
- Effects of cloud service models on security implementation

Explain the importance of incident response procedures.- Preparation
  • Documentation
  • Call trees
  • Training
  • Tabletops
  • Documented incident types/categories
  • Roles and responsibilities

- Incident response procedures

  • Identification
    1. Scope
  • Investigation
  • Containment, eradication, and recovery
    1. Isolation
    2. Evidence acquisition
    3. Chain of custody
    4. Root cause analysis
  • Post-incident and lessons learned

Deployment - 23%

Given a scenario, integrate components into a cloud solution.- Subscription services
  • File subscriptions
  • Communications
    1. Email
    2. Voice over IP (VoIP)
    3. Messaging
  • Collaboration
  • Virtual desktop infrastructure (VDI)
  • Directory and identity services
  • Cloud resources
    1. IaaS
    2. PaaS
    3. SaaS

- Provisioning resources

  • Compute
  • Storage
  • Network

- Application

  • Serverless

- Deploying virtual machines (VMs) and custom images
- Templates

  • OS templates
  • Solution templates

- Identity management
- Containers

  • Configure variables
  • Configure secrets
  • Persistent storage

- Auto-scaling
- Post-deployment validation

Given a scenario, provision storage in cloud environments.- Types
  • Block
    1. Storage area network (SAN)
    - Zoning
  • File
    1. Network attached storage (NAS)
  • Object
    1. Tenants
    2. Buckets

- Tiers

  • Flash
  • Hybrid
  • Spinning disks
  • Long-term

- Input/output operations per second (IOPS) and read/write
- Protocols

  • Network file system (NFS)
  • Common Internet file system (CIFS)
  • Internet small computer system interface (iSCSI)
  • Fibre Channel (FC)
  • Non-volatile memory express over fabrics (NVMe-oF)

- Redundant array of inexpensive disks (RAID)

  • 0
  • 1
  • 5
  • 6
  • 10

- Storage system features

  • Compression
  • Deduplication
  • Thin provisioning
  • Thick provisioning
  • Replication

- User quotas
- Hyperconverged
- Software-defined storage (SDS)

Given a scenario, deploy cloud networking solutions.- Services
  • Dynamic host configuration protocol (DHCP)
  • NTP
  • DNS
  • Content delivery network (CDN)
  • IP address management (IPAM)

- Virtual private networks (VPNs)

  • Site-to-site
  • Point-to-point
  • Point-to-site
  • IPSec
  • Multiprotocol label switching (MPLS)

- Virtual routing

  • Dynamic and static routing
  • Virtual network interface controller (vNIC)
  • Subnetting

- Network appliances

  • Load balancers
  • Firewalls

- Virtual private cloud (VPC)

  • Hub and spoke
  • Peering

- VLAN/VXLAN/GENEVE
- Single root input/output virtualization (SR-IOV)
- Software-defined network (SDN)

Given a scenario, configure the appropriate compute sizing for a deployment.- Virtualization
  • Hypervisors
    1. Type 1
    2. Type 2
  • Simultaneous multi-threading (SMT)
  • Dynamic allocations
  • Oversubscription

- Central processing unit (CPU)/virtual CPU (vCPU)
- Graphics processing unit (GPU)

  • Virtual
    1. Shared
  • Pass-through

- Clock speed/Instructions per cycle (IPC)
- Hyperconverged
- Memory

  • Dynamic allocation
  • Ballooning
Given a scenario, perform cloud migrations.- Physical to virtual (P2V)
- Virtual to virtual (V2V)
- Cloud-to-cloud migrations
  • Vendor lock-in
  • PaaS or SaaS migrations
    1. Access control lists (ACLs)
    2. Firewalls

- Storage migrations

  • Block
  • File
  • Object

- Database migrations

  • Cross-service migrations
  • Relational
  • Non-relational

Operations and Support - 22%

Given a scenario, configure logging, monitoring, and alerting to maintain operational status.- Logging
  • Collectors
    1. Simple network management protocol (SNMP)
    2. Syslog
  • Analysis
  • Severity categorization
  • Audits
  • Types
    1. Access/authentication
    2. System
    3. Application
  • Automation
  • Trending

- Monitoring

  • Baselines
  • Thresholds
  • Tagging
  • Log scrubbing
  • Performance monitoring
    1. Application
    2. Infrastructure components
  • Resource utilization
  • Availability
    1. SLA-defined uptime requirements
  • Verification of continuous monitoring activities
  • Service management tool integration

- Alerting

  • Common messaging methods
  • Enable/disable alerts
    1. Maintenance mode
  • Appropriate responses
  • Policies for categorizing and communicating alerts
Given a scenario, maintain efficient operation of a cloud environment.- Confirm completion of backups
- Life-cycle management
  • Roadmaps
  • Old/current/new versions
  • Upgrading and migrating systems
  • Deprecations or end of life

- Change management
- Asset management

  • Configuration management database (CMDB)

- Patching

  • Features or enhancements
  • Fixes for broken or critical infrastructure or applications
  • Scope of cloud elements to be patched
    1. Hypervisors
    2. VMs
    3. Virtual appliances
    4. Networking components
    5. Applications
    6. Storage components
    7. Firmware
    8. Software
    9. OS
  • Policies
    1. n-1
  • Rollbacks

- Impacts of process improvements on systems
- Upgrade methods

  • Rolling upgrades
  • Blue-green
  • Canary
  • Active-passive
  • Development/QA/production/DR

- Dashboard and reporting

  • Tagging
  • Costs
    1. Chargebacks
    2. Showbacks
  • Elasticity usage
  • Connectivity
  • Latency
  • Capacity
  • Incidents
  • Health
  • Overall utilization
  • Availability
Given a scenario, optimize cloud environments.- Right-sizing
  • Auto-scaling
  • Horizontal scaling
  • Vertical scaling
  • Cloud bursting

- Compute

  • CPUs
  • GPUs
  • Memory
  • Containers

- Storage

  • Tiers
    1. Adaptive optimization
  • IOPS
  • Capacity
  • Deduplication
  • Compression

- Network

  • Bandwidth
  • Network interface controllers (NICs)
  • Latency
  • SDN
  • Edge computing
    1. CDN

- Placement

  • Geographical
  • Cluster placement
  • Redundancy
  • Colocation

- Device drivers and firmware

  • Generic
  • Vendor
  • Open source
Given a scenario, apply proper automation and orchestration techniques.- Infrastructure as code
  • Infrastructure components and their integration

- Continuous integration/continuous deployment (CI/CD)
- Version control
- Configuration management

  • Playbook

- Containers
- Automation activities

  • Routine operations
  • Updates
  • Scaling
  • Shutdowns
  • Restarts
  • Create internal APIs

- Secure scripting

  • No hardcoded passwords
  • Use of individual service accounts
  • Password vaults
  • Key-based authentication

- Orchestration sequencing

Given a scenario, perform appropriate backup and restore operations.- Backup types
  • Incremental
  • Differential
  • Full
  • Synthetic full
  • Snapshot

- Backup objects

  • Application-level backup
  • Filesystem backup
  • Database dumps
  • Configuration files

- Backup targets

  • Tape
  • Disk
  • Object

- Backup and restore policies

  • Retention
  • Schedules
  • Location
  • SLAs
  • Recovery time objective (RTO)
  • Recovery point objective (RPO)
  • Mean time to recovery (MTTR)
  • 3-2-1 rule
    1. Three copies of data
    2. Two different media
    3. One copy off site

- Restoration methods

  • In place
  • Alternate location
  • Restore files
  • Snapshot
Given a scenario, perform disaster recovery tasks.- Failovers
- Failback
- Restore backups
- Replication
- Network configurations
- On-premises and cloud sites
  • Hot
  • Warm
  • Cold

- Requirements

  • RPO
  • RTO
  • SLA
  • Corporate guidelines

- Documentation

  • DR kit
  • Playbook
  • Network diagram

- Geographical datacenter requirements

Troubleshooting - 22%

Given a scenario, use the troubleshooting methodology to resolve cloud-related issues.- Always consider corporate policies, procedures, and impacts before implementing changes.
  • Identify the problem
    - Question the user and identify user changes to the computer and perform backups before making changes
    - Inquire regarding environmental or infrastructure changes
  • Establish a theory of probable cause (question the obvious)
    - If necessary, conduct external or internal research based on symptoms
  • Test the theory to determine cause
    - Once the theory is confirmed, determine the next steps to resolve the problem
    - If the theory is not confirmed, re-establish a new theory or escalate
  • Establish a plan of action to resolve the problem and implement the solution
  • Verify full system functionality and, if applicable, implement preventive measures
  • Document the findings, actions, and outcomes throughout the process.
Given a scenario, troubleshoot security issues.- Privilege
  • Missing
  • Incomplete
  • Escalation
  • Keys

- Authentication
- Authorization
- Security groups

  • Network security groups
  • Directory security groups

- Keys and certificates

  • Expired
  • Revoked
  • Trust
  • Compromised
  • Misconfigured

- Misconfigured or misapplied policies
- Data security issues

  • Unencrypted data
  • Data breaches
  • Misclassification
  • Lack of encryption in protocols
  • Insecure ciphers

- Exposed endpoints
- Misconfigured or failed security appliances

  • IPS
  • IDS
  • NAC
  • WAF

- Unsupported protocols
- External/internal attacks

Given a scenario, troubleshoot deployment issues.- Connectivity issues
  • Cloud service provider (CSP) or Internet service provider (ISP) outages

- Performance degradation

  • Latency

- Configurations

  • Scripts

- Applications in containers
- Misconfigured templates
- Missing or incorrect tags
- Insufficient capacity

  • Scaling configurations
  • Compute
  • Storage
  • Bandwidth issues
  • Oversubscription

- Licensing issues
- Vendor-related issues

  • Migrations of vendors or platforms
  • Integration of vendors or platforms
  • API request limits
  • Cost or billing issues
Given a scenario, troubleshoot connectivity issues.- Network security group misconfigurations
  • ACL
  • Inheritance

- Common networking configuration issues

  • Peering
  • Incorrect subnet
  • Incorrect IP address
  • Incorrect IP space
  • Routes
    1. Default
    2. Static
    3. Dynamic
  • Firewall
    1. Incorrectly administered micro-segmentation
  • Network address translation (NAT)
    1. VPN
    2. Source
    3. Destination
  • Load balancers
    1. Methods
    2. Headers
    3. Protocols
    4. Encryption
    5. Back ends
    6. Front ends
  • DNS records
  • VLAN/VXLAN/GENEVE
  • Proxy
  • Maximum transmission unit (MTU)
  • Quality of service (QoS)
  • Time synchronization issues

- Network troubleshooting tools

  • ping
  • tracert/traceroute
  • flushdns
  • ipconfig/ifconfig/ip
  • nslookup/dig
  • netstat/ss
  • route
  • arp
  • curl
  • Packet capture
  • Packet analyzer
  • OpenSSL client
Given a scenario, troubleshoot common performance issues.- Resource utilization
  • CPU
  • GPU
  • Memory
  • Storage
    1. I/O
    2. Capacity
  • Network bandwidth
  • Network latency
  • Replication
  • Scaling

- Application

  • Memory management
  • Service overload

- Incorrectly configured or failed load balancing

Given a scenario, troubleshoot automation or orchestration issues.- Account mismatches
- Change management failures
- Server name changes
- IP address changes
- Location changes
- Version/feature mismatch
- Automation tool incompatibility
  • Deprecated features
  • API version incompatibility

- Job validation issue
- Patching failure

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