Cloud Technologies

Question 1

Benefits of Grouping It resources enables?

Answer 1

power sharing higher efficiency in shared IT resource usage improved accessibility for IT personnel

Question 2

Standardisation and Modularity support?

Answer 2

scalability growth speedy hardware replacements

Question 3

Automation: without supervision, specialized platforms automate tasks including

Answer 3

provisioning configuration patching monitoring

Question 4

What is a Blade Server?

Answer 4

Architectures for improved interconnection and reduced physical space/power requirements

Question 5

What is I/O caching

Answer 5

disk array controllers enhance disk access times and performance by data caching

Question 6

What is a LAN Fabric?

Answer 6

high performance and redundant connectivity for all data centre IT resources (usually 10Gbps+)

Question 7

What is a SAN Fabric?

Answer 7

used in SANs, usually Fibre Channel (FC), Fibre Channel over Ethernet (FCoE), or InfiniBand

Question 8

What is a NAS Gateway

Answer 8

attachment points for NAS devices and facilitates data transmission between SAN and NAS devices

Question 9

What is a Automated Scaling Listener?

Answer 9

monitors and tracks communications between cloud service consumers and cloud services for dynamic scaling purposes

Question 10

What are the benefits of a Load balancer?

Answer 10

balances workload across two or more IT resources to increase performance and capacity beyond a single IT resource Asymmetric distribution Workload prioritization Content-aware distribution

Question 11

What is a SLA Monitor?

Answer 11

observes runtime performance of cloud services to ensure they fulfill contractual QoS requirements as published in SLAs – Data collected is aggregated into reporting metrics – Can proactively repair or fail over cloud services when exception conditions occur

Question 12

What is a Pay-Per-Use-Monitor?

Answer 12

measures cloud-based IT resource usage for fee calculations and billing purposes includes: – request/response message quantity – transmitted data volume – bandwidth (data transfer rate)

Question 13

What does a Audit monitor do?

Answer 13

collects data (audit tracking data) for networks and IT resources in support of regulatory and contractual obligations

Question 14

What does a failover system do?

Answer 14

increases reliability and availability of IT resources through redundancy

Approaches

Active-Active

Active-Passive

Question 15

What is are examples of a resource cluster?

Answer 15

Server Cluster: physical or virtual servers clustered to increase performance and availability
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Database Cluster: improve data availability by synchronising data stored in different devices
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Large Dataset Cluster: implement data partitioning and distribution to efficiently divide large data sets without compromising data integrity or computing accuracy

Question 16

What is a State management Database?

Answer 16

storage device for storing state information instead of caching state data in memory

Question 17

What are 2 types of Remote admin portal Configs?

Answer 17

1. Usage and Administration Portal: management controls for IT resources
2. Self-Service Portal: a “shopping portal” allowing cloud consumers to choose cloud-based IT resources for provisioning

Question 18

What common tasks can remote administraion do?

Answer 18

Configure

Provision / release IT resources

Monitor

Managing, costs, fees, user acc, security, access control

Tracking

Planning and assessing

Question 19

What tasks can Resource management do?

Answer 19

Manage Templates

Allocating / releasing resources

Coordinate IT resources

Enforcing usage and sec policies

Question 20

What tasks can SLA Management system do?

Answer 20

Includes repository for storing/retrieving SLA data
•
One or more SLA monitoring mechanismscollect SLA data
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Metrics monitored, for individual cloud services, are aligned with SLA guarantees