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Flashcards

Cloud C

Abolanle Sule English 85 cards

Cards in this deck (85)

  1. 1What is Cloud Computing?Cloud Computing is a new paradigm of computing where compute resources, infrastructure & software are delivered as a service optimized for Scalability and High Availability & Cost.
  2. 2Benefits of Cloud Computing include ----. On demand self service
    . Broad network access
    . Resource Pooling
    . Rapid Elasticity
    . Measured services
  3. 3Name 4 types of deployment models?- Public Cloud
    - Private Cloud
    - Community Cloud
    - Hybrid Cloud
  4. 4Define Public Cloud?- Infrastructure is available to the general public.
    - Exists off the premises.
    - Owned and operated by 3rd party e.g multi-tenant cloud infrastructure.
  5. 5Define Private Cloud?- Infrastructure is available to only one organization.
    - Owned and operated by the organization.
    - Allows full control over security.
    - Ensures compliance with standard procedure.
  6. 6Define Community Cloud?- Infrastructure is available to a group of organizations, with common interest.
    - Owned and operated by organization or 3rd party.
  7. 7Define Hybrid Cloud?- Its a combination of 2 previous cloud deploys.
    - Owned by both organization & 3rd party.
    - Cloud Bursting.
  8. 8Cloud refers to services available through the -----------Internet
  9. 9Mention the Service Delivery Model? Or how services are delivered.......- Software as a service. SaaS
    - Platform as a service. PaaS
    - Infrastructure as a service. IaaS
    - X as a service . Xaas e.g network, communication etc.
  10. 10Another name for Iaas?Hardware as a service.
  11. 11Another name for Paas?Middleware.
  12. 12Mention examples of cloud applications?- Application hosting
    - Backup and Storage
    - Content delivery
    - E-commerce
    - High-performance computing
    - Media hosting
    - On-demand workforce
    - Search engines
    - Web hosting
  13. 13Mention 2 key Vulnerabilities of Cloud?- The cloud platform is a vector for attack.
    - Cloud infrastructure failure, When a provider goes down many services suffer.
  14. 14Cloud Concerns.........Availability
    Data Lock-In (how to move data)
    Data Confidentiality (Data Leakage)
    Data Audibility (bodies like HIPAA).
    Data Transfer Bottleneck.
    Performance Unpredictability.
    Scalable Storage.
    Software Licensing.
    Reputation fate sharing.
  15. 15AWS Global Infrasturctures14 Regions
    38 Availability Zones
    63 Edge Locations.
  16. 16Regions are ---------- from each other.Isolated
  17. 17AZ are clusters of -------Data centers.
  18. 18EC2Elastic Compute Cloud.
    - Computing power in the cloud
  19. 19Auto Scaling ------Automatically scale EC2 instances (or groups).
  20. 20Elastic Load Balancing (ELB) -----Distribute traffic across many EC2 instances.
  21. 21Workspaces ----Managed desktop environment (virtual desktop infrastructure (VDI) replacement).
  22. 22Elastic Block Storage ---Off-instance storage for EC2.
  23. 23Simple Storage Service (S3)......Web-accessible data storage.
  24. 24Glacier .............Low-cost storage intended for archival.
  25. 25Storage GatewaySoftware “appliance” linking S3 with onsite storage.
  26. 26DNS to connect users to AWS resources?Route 53
  27. 27Dedicated connection to AWS .......Direct Connect
  28. 28Identity and Access Management (IAM)User and resource management
  29. 29AWS resource monitoringCloudWatch
  30. 30Web service application deployment ...Elastic Beanstalk
  31. 31Cloud Hardware Security Model (HSM) ....Dedicated virtual security appliances for storing encryption keys.
  32. 32How to select a cloud provider??- Company or product history
    - Product offerings
    - Noteworthy
    - Market placement
    - SLA performance
    - Adoption
    - Specific Needs
  33. 33What is EC2?Elastic Compute Cloud is a virtualized and resizable compute capacity in the cloud.
  34. 34What is the difference between VMs and Containers?Containers are isolated but share the same OS,Bins & Libraries.
    - while VMs has seperate OS/Bins/Libraries.
  35. 35AWS Lambda is an example of -----Event Driven Code Execution.
  36. 36Name the 3 data storage types?- Emphemeral (storage on host computer).
    - Persistent Block storage (EBS).
    - Highly Scalable Object Storage Service (S3).
  37. 37ACL means ......?Access Control List .....
  38. 38------ is the ability and capability of a computing resources, systems, components and processes to handle a growing amount of load work by adding resources to service the growth without bottlenecking performance?Scalability
  39. 39---------- is a web service designed to launch or terminate EC2instances automatically based on user-defined policies, schedules, and health?Auto Scaling
  40. 40We --- meaning increase the number of instances that respond to requests of users, when there is a spike in demand.scale up
  41. 41We --- when the demand decreases?scale down
  42. 42Benefits of Auto-Scaling are ------ Elastic Capacity.
    - Ease of Use/Mgt.
    - Cost Savings.
    - Geographic Redundancy and Scalability.
    - Easier Maintenance.
    - Scheduled Actions.
  43. 43Auto-Scaling can be set:By Schedule..based predictable pattern.
    By Policy..based on some metrics to trigger auto-scaling.
    Health Checks for degraded performance instances.
  44. 44----- concept that combines two AWS features: a CloudWatch alarm (configured to watch a specified CloudWatch metric) and an Auto Scaling policy that describes what should happen when the alarm threshold is crossed.A Trigger
  45. 45---- ensures service delivery is not interrupted and is available continuously.HA
  46. 46How do one ensure HA......by setting up redundant systems, so that if one fails the other can continue to serve.
  47. 47What AWS feature allows us to run multiple application servers behind a load balancer?ELB - Elastic Load Balancing.
  48. 48ELB automatically distributes incoming TCP application traffic across multiple Amazon ------- instances.EC2 instances.
  49. 49With Load Balancing we can achieve ----- and ----.fault tolerance and seamless service.
  50. 50A load balancer can span multiple ---- but it can not span multiple REGIONs.Zones.
  51. 51ELB supports EC2 instances with any --- You can perform load balancing for d ff ports ---- Each ELB supports IPv4 and IPv6 andOS.
    25,80,443,1024-65535.
    Dual Stack (both) DNS name.
  52. 52By default load balancer routes each request independently to a app instance with the ------smallest load.
  53. 53We can use sticky session / session affinity to enable LB to bind -----a user's session to a specific application instance.
  54. 54Customer focus on -----os, app config, security gps, ACLs, identity mgt.
  55. 55Create users -----assign credentials, permissions, grant least privilege, avoid assigning *.* policy, default Deny & use policy templates. Easier to assign same permission to multiple users/based on change in responsibilities. Only one change to update permission for 4 multiple users..map permission to a specific business function & assign users to function. Manage gps in group section of IAM console.
  56. 56{ "Statement":[{ "Effect":"Allow", "Action":["ec2:TerminateInstances“], "Resource":["*“], "Condition":{ "IpAddress":{"aws:SourceIP":“10.0.0.0/24"} }}]}Allow user to terminate instances only if user is accessing Amazon EC2 from 10.0.0.0/24.
  57. 57----- help to get logs of API calls.AWS Cloud Trail
  58. 58MFAMulti-Factor-Authentication
  59. 59Password Policy does not apply to ---- user?ROOT
  60. 60VPCVirtual Private Cloud - virtual network in a logically isolated area with shared common security & interconnect needs.
  61. 61AWS Key Mgt Service make it easy for you to ---create, control, rotate and use your encryption keys.
  62. 62Plain keys are never stored in ----- on run time systems.persistent memory
  63. 63Key Mgt uses a ---- tiered ----a two-tiered envelop encryption architecture. Uses the master key and data keys mgt.
  64. 64Some shortcomings of File Systems are ------Data Redundancy
    Data Inconsistency
    Data Accessibility
    Concurrent Data Access.
  65. 65Database is a collection of ------structured information that can be retrieved , modified and managed.
  66. 66----- is a software program that host the data and provides the framework for connecting , retriving, modifying , managing and administering the data records.DBMS.
  67. 67------- is a term to describe data stores that trade off ACID compliance for High Availability and Scalability.NoSQL.
  68. 68---------- is a Managed NoSql DB Service from AWS?Dynamo DB.
  69. 69Dynamo DB uses ---- format to send and receive formatted data?JSON
  70. 70LAMP is ------is an open source software stack used in web development.
  71. 71LAMP consists of the following layers:- L: Linux Operating System
    - A: Apache Web Server
    - M: MySQL Relational DB Mgt. system
    - P: PHP/Python/Perl Prog.language.
  72. 72LAMP is -----highly stable, scalable and robust.
    Tailored for high availability and load balancing.
  73. 73-------- is a free and open-source CMS: Content Management System released in 2003.WordPress.
  74. 74Word Press is built on --- & ----PHP & MySQL.
  75. 75Its setup on ------Apache.
  76. 76Its used by ------23% of the highest ranking 10 million website & Most popular blogging platform on the Internet.
  77. 77Benefits of migrating to RDS from Local MySQL?- RDS is highly scalable
    - Automatic Backups
    - Security patches applied by AWS
    - Read replicas can be created in different zones/regions
    - Standby primary server can be setup in different zone/region
    - Different pricing options and services
  78. 78What are the goals of Automation?- Standardize infrastructure
    -How to efficiently create and mange Cloud resources
    -Make provisioning infrastructure seamless
    -Control changes to infrastructure
    -Automate infrastructure and reduce time for deployment
    -Reduce complexity of Infrastructure provisioning & setup
    -Replicate infrastructure design/setup easily
    -Make Infrastructure portable across regions
    -Use open standard for coding
    -Infrastructure as code
    -Reduce cost
  79. 79Mention the Software Development & Deployment Life Cycle?1. Software Development-
    Requirement Analysis
    Design
    Implementation.
    2. QA - testing.
    3. Infrastructure
    4. Live
  80. 80Mention 3 Infrastructure Automation Tools?1. CFEngine
    2. Puppet
    3. Chef
  81. 81---- is a tool used to launch & manage aws resources, create templates, update & replicate stacks.CloudFormation
  82. 82Templates are written in ------- format?JSON -Java Script Object Notation
  83. 83Graphical tool for creating, modeling, viewing and modifying CloudFormation templates ?CloudFormation Designer.
  84. 84----- is used to upgrade / update your software & also deploy sw on aws platform?Bean Stalk.
  85. 85—

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Flashcards on Cloud C, created by Abolanle Sule on 08/02/2017.
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Abolanle Sule
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