CompTIA Cloud+ Study Guide. Ben Piper

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СКАЧАТЬ attached storage (NAS)ObjectTenantsBucketsTiersFlashHybridSpinning disksLong-termInput/output operations per second (IOPS) and read/writeProtocolsNetwork 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)015610Storage system featuresCompressionDeduplicationThin provisioningThick provisioningReplicationUser quotasHyperconvergedSoftware-defined storage (SDS) 2 3.3 Given a scenario, deploy cloud networking solutions.ServicesDynamic host configuration protocol (DHCP)NTPDNSContent delivery network (CDN)IP address management (IPAM) 2 Virtual private networks (VPNs)Site-to-sitePoint-to-pointPoint-to-siteIPSecMultiprotocol label switching (MPLS)Virtual routingDynamic and static routingVirtual network interface controller (vNIC)SubnettingNetwork appliancesLoad balancersFirewallsVirtual private cloud (VPC)Hub and spokePeeringVLAN/VXLAN/GENEVESingle root input/output virtualization (SR-IOV)Software-defined network (SDN) 2 3.4 Given a scenario, configure the appropriate compute sizing for a deployment.VirtualizationHypervisorsType 1Type 2Simultaneous multi-threading (SMT)Dynamic allocationsOversubscriptionCentral processing unit (CPU)/virtual CPU (vCPU)Graphics processing unit (GPU)VirtualSharedPass-throughClock speed/Instructions per cycle (IPC)HyperconvergedMemoryDynamic allocationBallooning 2 3.5 Given a scenario, perform cloud migrations.Physical to virtual (P2V)Virtual to virtual (V2V)Cloud-to-cloud migrationsVendor lock-inPaaS or SaaS migrationsAccess control lists (ACLs)FirewallsStorage migrationsBlockFileObjectDatabase migrationsCross-service migrationsRelationalNon-relational 2

4.0 Operations and Support

Exam Objective	Chapters
4.1 Given a scenario, configure logging, monitoring, and alerting to maintain operational status.LoggingCollectorsSimple network management protocol (SNMP)SyslogAnalysisSeverity categorizationAuditsTypesAccess/authenticationSystemApplicationAutomationTrendingMonitoringBaselinesThresholdsTaggingLog scrubbingPerformance monitoringApplicationInfrastructure componentsResource utilizationAvailabilitySLA-defined uptime requirementsVerification of continuous monitoring activitiesService management tool integrationAlertingCommon messaging methodsEnable/disable alertsMaintenance modeAppropriate responsesPolicies for categorizing and communicating alerts	1, 7, 8
4.2 Given a scenario, maintain efficient operation of a cloud environment.Confirm completion of backupsLife-cycle managementRoadmapsOld/current/new versionsUpgrading and migrating systemsDeprecations or end of lifeChange managementAsset managementConfiguration management database (CMDB)PatchingFeatures or enhancementsFixes for broken or critical infrastructure or applicationsScope of cloud elements to be patchedHypervisorsVMsVirtual appliancesNetworking componentsApplicationsStorage componentsFirmwareSoftwareOSPoliciesn-1RollbacksImpacts of process improvements on systemsUpgrade methodsRolling upgradesBlue-greenCanaryActive-passiveDevelopment/QA/production/DRDashboard and reportingTaggingCostsChargebacksShowbacksElasticity usageConnectivityLatencyCapacityIncidentsHealthOverall utilizationAvailability	4, 5, 7, 8
4.3 Given a scenario, optimize cloud environments.Right-sizingAuto-scalingHorizontal scalingVertical scalingCloud burstingComputeCPUsGPUsMemoryContainersStorageTiersAdaptive optimizationIOPSCapacityDeduplicationCompressionNetworkBandwidthNetwork interface controllers (NICs)LatencySDNEdge computingCDNPlacementGeographicalCluster placementRedundancyColocationDevice drivers and firmwareGenericVendorOpen source	1, 2, 7, 8
4.4 Given a scenario, apply proper automation and orchestration techniques.Infrastructure as codeInfrastructure components and their integrationContinuous integration/ continuous deployment (CI/CD)Version controlConfiguration managementPlaybookContainersAutomation activitiesRoutine operationsUpdatesScalingShutdownsRestartsCreate internal APIsSecure scriptingNo hardcoded passwordsUse of individual service accountsPassword vaultsKey-based authenticationOrchestration sequencing	1, 2, 4, 5, 7
4.5 Given a scenario, perform appropriate backup and restore operations.Backup typesIncrementalDifferentialFullSynthetic fullSnapshotBackup objectsApplication-level backupFilesystem backupDatabase dumpsConfiguration filesBackup targetsTapeDiskObjectBackup and restore policiesRetentionSchedulesLocationSLAsRecovery time objective (RTO)Recovery point objective (RPO)Mean time to recovery (MTTR)3-2-1 ruleThree copies of dataTwo different mediaOne copy off siteRestoration methodsIn placeAlternate locationRestore filesSnapshot	5
4.6 Given a scenario, perform disaster recovery tasks.FailoversFailbackRestore backupsReplicationNetwork configurationsOn-premises and cloud sitesHotWarmColdRequirementsRPORTOSLACorporate guidelinesDocumentationDR kitPlaybookNetwork diagramGeographical datacenter requirements	6

5.0 Troubleshooting

Exam Objective	Chapters
5.1 Given a scenario, use the troubleshooting methodology to resolve cloud-related issues.Always consider corporate policies, procedures, and impacts before implementing changes.	10
Identify the problemQuestion the user and identify user changes to the computer and perform backups before making changesInquire regarding environmental or infrastructure changesEstablish a theory of probable cause (question the obvious)If necessary, conduct external or internal research based on symptomsTest the theory to determine causeOnce the theory is confirmed, determine the next СКАЧАТЬ В начало < 8 9 10 11 12 13 14 15 16 17 > В конец