CompTIA Cloud+ Domain 4: Operations and Support

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CompTIA Cloud Domain 4 Operations and Support
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Domains of the CompTIA Cloud
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• CompTIA Cloud certification comprises a total of
  five domains
• Domain 1 Cloud Architecture and Design 13
• Domain 2 Security 20
• Domain 3 Deployment 23
• Domain 4 Operations and Support 22
• Domain 5 Troubleshooting 22
• We will discuss the fourth domain that is
  Operations and Support.

Operations and Support The Operations and
Support phase is abbreviated as the OS phase
that focuses on carrying out the product support
strategy, meeting material readiness and
operational performance criteria, and supporting
the system in the most cost-effective way
possible throughout its life cycle. The
Operations and Support disciplines main
objective is to run and support your product in a
live environment. This domain comprises the
second-highest amount of weightage that is 22,
so it is an important domain. This domain will
provide an overview of topics like operation
status, efficient operation, optimizing cloud
environments, automation and orchestration
techniques, backup and restore operations, and
disaster recovery.
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• Configure logging, monitoring, and alerting to
  maintain operational status
• In this sub-domain, we learn to configure
  logging, monitoring, and alerting to maintain
  operational status in a given scenario. This
  domain will equip us with an in-depth
  understanding of logging, monitoring, and
  alerting. In logging, we will learn about
  collectors and types. Collectors explain the
  Simple Network Management Protocol (SNMP), and
  Syslog whereas the types define
  access/authentication, system, and application.
  We will also learn many different things like
  analysis, severity categorization, audits,
  automation, and trending. Monitoring provides an
  in-depth understanding of baselines, thresholds,
  tagging, log scrubbing, resource utilization,
  verification of continuous monitoring activities,
  service management tool integration, performance
  monitoring that incorporates application, and
  infrastructure components, and availability that
  incorporates SLA-defined uptime requirements.
  Alerting will take you through common messaging
  methods, appropriate responses, policies for
  categorizing and communicating alerts, and
  enable/disable alerts that explain maintenance
  mode.

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2. Maintain efficient operation of a cloud
environment In this sub-domain, we learn to
maintain the efficient operation of a cloud
environment in a given scenario. We will get an
understanding of the topics like confirm
completion of backups, life-cycle management,
change management, asset management, patching,
impacts of process improvements on systems,
upgrade methods, dashboard, and reporting. In the
studies of life cycle management, we will learn
about roadmaps, old/current/new versions,
upgrading and migrating systems, and deprecations
or end of life. We will learn about Configuration
Management Database (CMDB) under asset management
while in patching, we will learn all about
features or enhancements, fixes for broken or
critical infrastructure or applications, the
scope of cloud elements to be patched,
hypervisors, VMs, virtual appliances, networking
components, applications, storage components,
firmware, software, OS, policies, n-1, and
rollbacks. In upgrade methods, we learn about
rolling upgrades, blue-green, canary,
active-passive, and development/QA/production/DR.
In dashboard and reporting, we will learn about
tagging, costs, chargebacks, show backs,
elasticity usage, connectivity, latency,
capacity, incidents, health, overall utilization,
and availability.




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3. Optimize cloud environments In this
sub-domain, we learn to optimize cloud
environments in a given scenario. This sub-domain
will equip you with the knowledge of
right-sizing, compute, storage, network,
placement, device drivers, and firmware. In
right-sizing, we will learn about auto-scaling,
horizontal scaling, vertical scaling, and cloud
bursting, while in compute, we will learn about
CPUs, GPUs, memory, and containers. We will learn
about tiers, adaptive optimization, IOPS,
capacity, deduplication, and compression in
storage. We will learn about bandwidth, Network
Interface Controllers (NICs), latency, SDN, edge
computing, and CDN in the network. Placement will
give us an idea of geographical, cluster
placement, redundancy, and colocation. In device
drivers and firmware, we will learn about the
generic, vendor, and open source.




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4. Apply proper automation and orchestration
techniques In this sub-domain, we learn to apply
proper automation and orchestration techniques in
a given scenario. We will gain knowledge of
infrastructure as code, Continuous
Integration/Continuous Deployment (CI/CD),
version control, configuration management,
containers, automation activities, secure
scripting, and orchestration sequencing. In
infrastructure as code, we will understand
infrastructure components and their integration
while the configuration management will provide
knowledge of the playbook. The automation
activities equip you with the idea of routine
operations, updates, scaling, shutdowns,
restarts, and create internal APIs. The secure
scripting will take you through no hardcoded
passwords, use of individual service accounts,
password vaults, and key-based authentication.




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5. Perform appropriate backup and restore
operations In this sub-domain, we learn to
perform appropriate backup and restore operations
in a given scenario. It will provide you in-depth
knowledge of backups like backup types, backup
objects, backup targets, backup and restore
policies, and restoration methods. The topic
backup types incorporate incremental,
differential, full, synthetic full, and snapshot.
In backup objects, we will learn about
application-level backup, filesystem backup,
database dumps, and configuration files. The
topic backup targets will be brief about tape,
disk, and object. Backup and restore policies
will provide the knowledge of retention,
schedules, location, SLAs, Recovery Time
Objective (RTO), Recovery Point Objective (RPO),
Mean Time To Recovery (MTTR), and 3-2-1 rule that
is three copies of data, two different media, and
one copy off-site. In restoration methods, we
learn things like in place, alternate location,
restore files, and snapshot.




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6. Perform disaster recovery tasks In this
sub-domain, we learn to perform disaster recovery
tasks in a given scenario. We learn all about
failovers, failback, restore backups,
replication, network configurations, on-premises
and cloud sites, requirements, documentation, and
geographical data center requirements. The topic
on-premises and cloud sites provide knowledge of
hot, warm, and cold sites. The topic requirements
will teach you all about RPO, RTO, SLA, and
corporate guidelines. In the documentation, we
will learn about the DR kit, playbook, and
network diagram. CompTIA Cloud with
InfosecTrain For expert knowledge and an
in-depth grasp of Cloud security, consider taking
the CompTIA Cloud Certification Training Course
from InfosecTrain. Instructors that are highly
trained and experienced are in charge of this
training. With our well-versed and experienced
teachers, we are among the leading training
providers in the globe. The courses will assist
you in grasping the fundamental principles and
providing a thorough understanding of the
subject. This certification is well worth every
dollar and minute you put into it.




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