CompTIA Cloud+

CompTIA Cloud+

1.0 Cloud Concepts and Models
2.0 Virtualization
3.0 Infrastructure
4.0 Network Management
5.0 Security
6.0 Systems Management
7.0 Business Continuity in the Cloud

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Full Course

Course Contents

1.0    Cloud Concepts and Models

1.1    Compare and contrast cloud services.

*    SaaS (according to NIST)

*    IaaS (according to NIST)

*    CaaS (according to NIST)

*    PaaS (according to NIST)

*    XaaS (according to NIST)

*    DaaS (according to NIST)

*    BPaaS

*    Accountability and responsibility based on service models

1.2    Compare and contrast cloud delivery models and services.

*    Private

*    Public

*    Hybrid

*    Community

*    On-premise vs. Off-premise hosting

*    Accountability and responsibility based on delivery models

*    Security differences between models o Multitenancy issues
o    Data segregation

o    Network isolation

o    Check laws and regulations

*    Functionality and performance validation based on chosen delivery model

*    Orchestration platforms

1.3    Summarize cloud characteristics and terms.

*    Elasticity

*    On-demand self serve/just in time service

*    Pay-as-you-grow

*    Chargeback

*    Ubiquitous access

*    Metering resource pooling

*    Multitenancy

*    Cloud bursting

*    Rapid deployment

*    Automation

1.4    Explain object storage concepts.

*    Object ID

*    Metadata

*    Data/blob

*    Extended metadata

*    Policies

*    Replicas

*    Access control

2.0    Virtualization

2.1    Explain the differences between hypervisor types.

*    Type I and Type II

o    Bare metal vs. OS dependant

o    Performance and overhead considerations

o    Hypervisor specific system requirements

*    Proprietary vs. open source

*    Consumer vs. enterprise use

o    Workstation vs. infrastructure

2.2    Install, configure, and manage virtual machines and devices.

*    Creating, importing, and exporting template and virtual machines

*    Install guest tools

o    Drives

o    Management tools

*    Snapshots and cloning

*    Image backups vs. file backups

*    Virtual NIC

o    Virtual network

o    IP address

o    Default gateway

o    Netmask

o    Bridging

*    Virtual disks

o    Limits


*    Virtual switches

o    VLAN

o    Interface configuration

*    VLAN

o    Assign IDs

o    Bind interfaces

*    VSAN

o    Assign IDs

2.3    Given a scenario, perform virtual resource migration.

*    Establish requirements

*    Maintenance scheduling

*    Reasons

o    Performance issues

o    Testing

o    Upgrading

o    Utilization

*    Storage migration

o    Virtual vs. physical

*    Online vs. offline migrations

*    Physical to Virtual (P2V)

*    Virtual to Virtual (V2V)

*    Virtual to Physical (V2P)

2.4    Explain the benefits of virtualization in a cloud environment.

*    Shared resources

*    Elasticity

o    Time to service/mean time to implement

o    Resource pooling

o    Scalable

o    Available

o    Portable

*    Network and application isolation

*    Infrastructure consolidation

*    Virtual datacenter creation

2.5    Compare and contrast virtual components used to construct a cloud environment.
*    Virtual network components

o    Virtual NIC

o    Virtual HBA

o    Virtual router

*    Shared memory

*    Virtual CPU

*    Storage Virtualization

o    Shared storage

o    Clustered storage

o    NPIV

3.0    Infrastructure

3.1    Compare and contrast various storage technologies.

*    Network Attached Storage (NAS) o File level access
o    Shared storage

*    Direct Attached Storage (DAS)

o    Block level access

o    Dedicated storage

*    Storage Area Network (SAN)

o    Block level access

o    Shared storage

o    HBAs

o    LUN masking

o    Zoning

o    WWN

o    Fiber channel protocols

*    Different access protocols

o    FCoE

o    FC

o    Ethernet


*    Protocols and applications

o    IP

o    FCP


*    Management differences

3.2    Explain storage configuration concepts.

*    Disk types

o    SSD vs. spinning

o    Interfaces types

o    Access speed

*    Tiering

o    Performance levels of each tier

o    Policies

*    RAID levels

o    RAID 1

o    RAID 0

o    RAID 1+0

o    RAID 0+1

o    RAID 5

o    RAID 6

*    File system types

o    UFS

o    EXT

o    NTFS

o    FAT

o    VMFS

o    ZFS

3.3    Execute storage provisioning.

*    Creating LUNs

*    Creating network shares

*    Zoning and LUN masking

*    Multipathing

*    Implications of adding capacity to a NAS and SAN

o    Impact to operations

o    Downtime

o    Best practices

3.4    Given a scenario, implement appropriate network configurations.

*    NAT

*    PAT

*    Subnetting/Supernetting

*    VLAN and VLAN tagging

*    Network port configurations

*    Switching and routing in physical and virtual environments

o    Routing tables

3.5    Explain the importance of network optimization.

*    WAN

*    LAN

*    MAN

*    Bandwidth

*    Latency

*    Compression

*    Caching

*    Load balancing

*    Devices on the same subnet

3.6    Given a scenario, troubleshoot basic network connectivity issues.

*    Tools

o ping

o tracert/traceroute

o telnet

o netstat

o nslookup/dig

o ipconfig/ifconfig

o route

o arp

*    Review documentation and device configuration settings

*    Review system logs

3.7    Explain common network protocols, ports, and topologies.

*    Trunk ports

*    Port binding/aggregation

*    Common ports

o    80

o    21

o    22

o    25

o    53

o 443

o    68

*    Common protocols

o    HTTP

o    FTP

o    HTTPS

o    FTPS

o    SFTP

o    SSH

o    DNS

o    DHCP

o    SMTP

*    Types of networks

o intranet

o extranet

o internet

3.8    Explain common hardware resources and features used to enable virtual environments.

*    BIOS/firmware configurations

*    Minimum memory capacity and configuration

*    Number of CPUs

*    Number of Cores

*    NICs quantity, speeds, and configurations

*    Internal hardware compatibility

*    HBAs

*    Storage media

o    Tape

o    SSD

o    USB

o    Disk

4.0    Network Management

4.1    Given a scenario, implement and use proper resource monitoring techniques.

*    Protocols

o    SNMP

o    WMI

o    IPMI

o    Syslog service

*    Alert methods

o    SMTP

o    SMS

o    SNMP

o    Web services

o    Syslog

*    Establish baselines and thresholds

*    Automated responses to specific events

*    Examine processes usage / resource usage

4.2    Given a scenario, appropriately allocate physical (host) resources using best practices.

*    Memory

*    CPU

*    Storage and network allocation

*    Entitlement/quotas (shares) o Hard limit
o    Soft limit

*    Reservations

*    Licensing

*    Resource pooling

4.3    Given a scenario, appropriately allocate virtual (guest) resources using best practices.

*    Virtual CPU

*    Memory

*    Storage and network allocation

*    Entitlement/quotas (shares)

*    Hard limit, soft limit

*    Reservations, licensing

*    Dynamic resource allocation

*    Resource pooling

*    CPU affinity

*    Physical resource redirection and mapping to virtual resources o Serial
o    USB

o    Parallel port mapping

4.4    Given a scenario, use appropriate tools for remote access.

*    Remote hypervisor access

*    RDP

*    SSH

*    Console port

*    HTTP

5.0    Security

5.1    Explain network security concepts, tools, and best practices.

*    ACLs

*    VPNs

*    IDS/IPS hardware/software-based firewalls

*    DMZ

*    Review / audit logs

*    Attacks

o    DDoS

o    Ping of death

o    Ping flood

5.2    Explain storage security concepts, methods, and best practices.

*    Obfuscation

*    Access Control Lists

*    Zoning

*    LUN masking

*    User and host authentication

*    Review/audit logs

5.3    Compare contrast different encryption technologies and methods.

*    PKI

*    IPSEC

*    SSL/TLS

*    Ciphers

o    AES

o    3DES

o    RSA

o    DSA

o    RC4

o    RC5

*    Encryption for data in transit and encryption for data at rest

5.4    Identify access control methods.

*    Role-based administration

*    Mandatory access controls

*    Discretionary access controls

*    Multifactor authentication

*    Single sign-on

*    Federation

5.5    Implement guest and host hardening techniques.

*    Disabling unneeded ports and services

*    User credentials

o    Changing default passwords

*    Host-based/software firewalls

*    Antivirus software

*    Patching

*    Deactivating default accounts
6.0    Systems Management

6.1    Explain policies and procedures as they relate to a cloud environment.

*    Network and IP planning/documentation

*    Configuration standardization and documentation

*    Change management best practices

o    Documentation

o    Configuration control

o    Asset accountability

o    Approval process

o    Back-out plan

*    Configuration  management

o    CMDB

o    Approval process
o    Configuration control

*    Capacity management

o    Monitoring for changes

o    Trending

*    Systems life cycle management

*    Maintenance windows

o    Server upgrades and patches

6.2    Given a scenario, diagnose, remediate and optimize physical host performance.
*    Disk performance

*    Disk tuning

*    Disk latency

*    Swap disk space

*    I/O tuning

*    Performance management and monitoring tools

*    Establish baseline and create documentation with appropriate tools

*    Hypervisor configuration best practices

o    Memory ballooning

o    I/O throttling

o    CPU wait time

*    Impact of configuration changes to the virtual environment

*    Common issues

o    Disk failure
o    HBA failure

o    Memory failure

o    NIC failure

o    CPU failure

6.3    Explain common performance concepts as they relate to the host and the guest.

*    IOPS

*    Read vs. write files

*    File system performance

*    Metadata performance

*    Caching

*    Bandwidth

*    Throughput (bonding/teaming)

*    Jumbo frames

*    Network latency

*    Hop counts

*    QoS

*    Multpathing

*    Load balancing

*    Scaling

o    Vertical vs. horizontal vs. diagonal

6.4    Implement appropriate testing techniques when deploying cloud services.

*    Test replication

*    Test latency
*    Test bandwidth

*    Test load balancing

*    Test application servers

*    Test storage

*    Test application delivery

*    Service performance testing and application performance testing

*    Penetration testing

*    Vulnerability assessment

*    Separation of duties during testing

7.0    Business Continuity in the Cloud

7.1    Compare and contrast disaster recovery methods and concepts.

*    Redundancy

*    Failover

*    Geographical diversity

*    Failback

*    Replication

*    Site mirroring

*    Hot site

*    Cold site

*    Warm site

*    Backup and recovery

*    Archiving and offsite storage

*    Replication types

o    Synchronous

o    Asynchronous

*    RTO

*    RPO

*    MTBF

*    MTTR

*    Mission critical requirements

7.2    Deploy solutions to meet availability requirements.

*    Fault tolerance

o    High availability

o    Local clustering /geoclustering

o    Non-high availability resources

*    Multipathing

*    Load balancing


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