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Topic | Details |
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Cloud Concepts and Models 12% |
Compare and contrast cloud services. | 1. SaaS (according to NIST)2.IaaS (according to NIST) 3.PaaS (according to NIST) 4.CaaS 5.XaaS 6. DaaS 7.BPaaS 8. Accountability and responsibility based on service models |
Compare and contrast cloud delivery models and services. | 1. Private2. Public 3. Hybrid 4. Community 5. On-premise vs. off-premise hosting 6. Accountability and responsibility based on delivery models 7.Security differences between models- Multi-tenancy issues
- Data segregation
- Network isolation
- Check laws and regulations
8. Functionality and performance validation based on chosen delivery model 9. Orchestration platforms
|
Summarize cloud characteristics and terms. | 1. Elasticity2. On-demand self-service/just-in-time service 3. Pay-as-you-grow 4. Chargeback 5. Ubiquitous access 6. Metering resource pooling 7. Multi-tenancy 8. Cloud bursting 9. Rapid deployment 10. Automation |
Explain object storage concepts. | 1. Object ID2. Metadata 3. Data/blob 4. Extended metadata 5. Policies 6. Replicas 7. Access control |
Virtualization 19% |
Explain the differences between hypervisor types. | 1.Type I and Type II- Bare metal vs. OS dependent
- Performance and overhead considerations
- Hypervisor-specific system requirements
2.Proprietary vs. open source 3.Consumer vs. enterprise use
- Workstation vs. infrastructure
|
Install, configure and manage virtual machines and devices. | 1. Creating, importing and exporting template and virtual machines 2.Install guest tools
3.Snapshots and cloning 4.Image backups vs. file backups 5.Virtual NIC- Virtual network
- IP address
- Default gateway
- Netmask
- Bridging
6.Virtual disks
7.Virtual switches- VLAN
- Interface configuration
8.VLAN
- Assign IDs
- Bind interfaces
9.VSAN
|
Given a scenario, perform virtual resource migration. | 1. Establish requirements2. Maintenance scheduling 3. Reasons- Performance issues
- Testing
- Upgrading
- Utilization
4.Storage migration
5. Online vs. offline migrations 6. Physical to Virtual (P2V) 7. Virtual to Virtual (V2V) 8. Virtual to Physical (V2P)
|
Explain the benefits of virtualization in a cloud environment. | 1. Shared resources2. Elasticity- Time to service/mean time to implement
- Resource pooling
- Scalable
- Available
- Portable
3. Network and application isolation 4. Infrastructure consolidation 5. Virtual datacenter creation
|
Compare and contrast virtual components used to construct a cloud environment. | 1.Virtual network components- Virtual NIC
- Virtual HBA
- Virtual router
2. Shared memory 3. Virtual CPU 4.Storage virtualization- Shared storage
- Clustered storage
- NPIV
|
Infrastructure 21% |
Compare and contrast various storage technologies. | 1.Network Attached Storage (NAS)- File level access
- Shared storage
2.Direct Attached Storage (DAS)- Block level access
- Dedicated storage
3.Storage Area Network (SAN)- Block level access
- Shared storage
- HBAs
- LUN masking
- Zoning
- WWN
- Fibre Channel protocols
4.Different access protocols
5.Protocols and applications
6.Management differences
|
Explain storage configuration concepts. | 1.Disk types- SSD vs. spinning
- Interfaces types
- Access speed
2.Tiering
- Performance levels of each tier
- Policies
3.RAID levels- RAID 1
- RAID 0
- RAID 1+0
- RAID 0+1
- RAID 5
- RAID 6
4.File system types
|
Execute storage provisioning. | 1. Creating LUNs2. Creating network shares 3. Zoning and LUN masking 4.Multipathing 5. Implications of adding capacity to a NAS and SAN- Impact to operations
- Downtime
- Best practices
|
Given a scenario, implement appropriate network configurations. | 1.NAT 2. PAT3.Subnetting/supernetting 4.VLAN and VLAN tagging 5. Network port configurations 6. Switching and routing in physical and virtual environments
|
Explain the importance of network optimization. | 1. WAN2. LAN 3. MAN 4. QoS 5. Bandwidth 6. Latency 7. Compression 8. Caching 9. Load balancing 10. Devices on the same subnet |
Given a scenario, troubleshoot basic network connectivity issues. | 1.Tools- ping
- tracert/traceroute
- telnet
- netstat
- nslookup/dig
- ipconfig/ifconfig
- route
- arp
2. Review documentation and evice configuration settings 3. Review system logs |
Explain common network protocols, ports and topologies. | 1. Trunk ports2. Port binding/aggregation 3. Common ports
4.Common protocols- HTTP
- FTP
- HTTPS
- FTPS
- SFTP
- SSH
- DNS
- DHCP
- SMTP
5.Types of networks
|
Explain common hardware resources and features used to enable virtual environments. | 1. BIOS/firmware configurations2. Minimum memory capacity and configuration 3. Number of CPUs 4. Number of cores 5.NICs quantity, speeds and configurations 6. Internal hardware compatibility 7. HBAs 8. Storage media
|
Resource Management 13% |
Given a scenario, implement and use proper resource monitoring techniques. | 1.Protocols- SNMP
- WMI
- IPMI
- Syslog service
2.Alert methods- SMTP
- SMS
- SNMP
- Web services
- Syslog
3. Establish baselines and thresholds 4. Automated responses to specific events 5. Examine processes usage/resource usage
|
Given a scenario, appropriately allocate physical (host) resources using best practices. | 1. Memory2. CPU 3. Storage and network allocation 4. Entitlement/quotas (shares)
5. Reservations 6. Licensing 7. Resource pooling
|
Given a scenario, appropriately allocate virtual (guest) resources using best practices. | 1. Virtual CPU2. Memory 3. Storage and network allocation 4. Entitlement/quotas (shares) 5. Hard limit/soft limit 6. Reservations/licensing 7. Dynamic resource allocation 8. Resource pooling 9. CPU affinity 10. Physical resource redirection and mapping to virtual resources- Serial
- USB
- Parallel port mapping
|
Given a scenario, use appropriate tools for remote access. | 1. Remote hypervisor access2. RDP 3. SSH 4.Console port 5.HTTP |
Security 16% |
Explain network security concepts, tools and best practices. | 1. ACLs2.VPNs 3. IDS/IPS hardware/ software-based firewalls 4. DMZ 5. Review/audit logs 6.Attacks- DDoS
- Ping of death
- Ping flood
|
Explain storage security concepts, methods and best practices. | 1. Obfuscation2. Access control lists 3. Zoning 4. LUN masking 5. User and host authentication 6. Review/audit logs |
Compare and contrast different encryption technologies and methods. | 1. PKI2.IPSec 3. SSL/TLS 4.Ciphers
5. Encryption for data in transit and encryption for data at rest
|
Identify access control methods. | 1. Role-based administration2. Mandatory access controls 3. Discretionary access controls 4. Multifactor authentication 5. Single sign-on 6. Federation |
Implement guest and host hardening techniques. | 1. Disabling unneeded ports and services2. User credentials
- Changing default passwords
3. Host-based/software firewalls 4. Antivirus software 5. Patching 6.Deactivating default accounts |
Systems Management 11% |
Explain policies and procedures as they relate to a cloud environment. | 1. Network and IP planning/documentation2. Configuration standardization and documentation 3. Change management best practices- Documentation
- Configuration control
- Asset accountability
- Approval process
- Backout plan
4.Configuration management- CMDB
- Approval process
- Configuration control
5.Capacity management- Monitoring for changes
- Trending
6. Systems life cycle management 7. Maintenance windows
- Server upgrades and patches
|
Given a scenario, diagnose, remediate and optimize physical host performance. | 1.Disk performance 2. Disk tuning3. Disk latency 4. Swap disk space 5. I/O tuning 6. Performance management and monitoring tools 7. Establish baseline and create documentation with appropriate tools 8.Hypervisor configuration best practices- Memory ballooning
- I/O throttling
- CPU wait time
9. Impact of configuration changes to the virtual environment 10.Common issues- Disk failure
- HBA failure
- Memory failure
- NIC failure
- CPU failure
|
Explain common performance concepts as they relate to the host and the guest. | 1. IOPS2. Read vs. write files 3. File system performance 4. Metadata performance 5. Caching 6. Bandwidth 7. Throughput (bonding/teaming) 8. Jumbo frames 9. Network latency 10. Hop counts 11. QoS 12.Multipathing 13. Load balancing 14. Scaling
- Vertical vs. horizontal vs. diagonal
|
Implement appropriate testing techniques when deploying cloud services. | 1. Test replication2. Test latency 3. Test bandwidth 4. Test load balancing 5. Test application servers 6. Test storage 7. Test application delivery 8. Service performance testing and application performance testing 9. Penetration testing 10. Vulnerability assessment 11. Separation of duties during testing |
Business Continuity in the Cloud 8% |
Compare and contrast disaster recovery methods and concepts. | 1.Redundancy 2.Failover 3.Geographical diversity 4.Failback 5.Replication 6.Site mirroring 7.Hot site 8.Cold site 9.Warm site 10.Backup and recovery 11. Archiving and off-site storage 12.Replication types
13. RTO 14. RPO 15.MTBF 16.MTTR 17. Mission-critical requirements |
Deploy solutions to meet availability requirements. | 1.Fault tolerance- High availability
- Local clustering/geoclustering
- Non-high-availability resources
2. Multipathing 3. Load balancing |
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