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Showing 20 results · Page 12 for “data”. More results are available below.

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AZ-305 · Design business continuity solutions

Availability sets guard racks; zones guard datacenters

…nance. It protects against hardware failure inside one datacenter and offers a 99.95 percent SLA. Availability zones place VMs in physically separate datacenters within the region, each with…

AZ-305 · Design infrastructure solutions

Azure Migrate assesses first, then migrates

…re, Hyper-V and physical servers, collects performance data, and produces an assessment that recommends VM sizes, estimates monthly cost and flags readiness issues. Dependency analysis shows…

AZ-500 · Cloud security

Cloud security follows the data and identities

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…missions, secrets and sensitive information. Map where data enters, is stored and leaves, then identify the identities allowed to use each step. Apply least privilege and collect evidence of…

AZ-800 · Backup and recovery

A backup succeeds when the restore succeeds

Recovery point objective describes tolerable data loss measured in time; recovery time objective describes tolerable restoration time. Backup frequency influences the first, while restore sp…

AZ-802 · Hybrid infrastructure architecture

Design the connections between environments

…nal and failure characteristics. Identity, networking, data movement and support ownership must work across those boundaries. Decide where each workload belongs based on its dependencies, la…

AZ-802 · Backup and recovery

A backup succeeds when the restore succeeds

Recovery point objective describes tolerable data loss measured in time; recovery time objective describes tolerable restoration time. Backup frequency influences the first, while restore sp…

AZ-900 · Describe cloud concepts

Shared responsibility shifts with the service model

In every cloud model Microsoft owns the physical data centres, network and hosts, and the customer always owns their data, endpoints, accounts and identities. What moves is the middle. With …

AZ-900 · Describe cloud concepts

Public, private and hybrid are about who owns the hardware

…ed by one organisation only, whether hosted in its own data centre or by a third party, and gives full control at the price of buying and maintaining the hardware. A hybrid cloud connects th…

AZ-900 · Describe cloud concepts

IaaS, PaaS, SaaS: what you manage shrinks each step

…you a managed runtime such as App Service or Azure SQL Database; you bring code and data while Microsoft handles OS, patching and scaling. Software as a service delivers a finished applicati…

AZ-900 · Describe Azure architecture and services

Availability zones are separate data centres in one region

…ure region is a geographic area containing one or more data centres connected by a low-latency network. Within many regions, availability zones are physically separate locations, each with i…

AZ-900 · Describe Azure architecture and services

Blob tiers: hot, cool, cold, archive, cheaper as you go

Azure Blob Storage prices data by how often you touch it. The hot tier costs most per gigabyte but is cheapest to read and is meant for active data. Cool is for data accessed rarely and kept…

AZ-900 · Describe Azure architecture and services

Files is SMB shares; Blob is objects over HTTP

… Azure Blob Storage is object storage for unstructured data such as images, backups and logs, accessed through HTTP APIs rather than mounted as a drive. Azure Disk Storage provides block sto…

AZ-900 · Describe Azure management and governance

Cost drivers: resource type, region, usage, and egress

…ile disks still cost. Bandwidth into Azure is free but data leaving a region, called egress, is charged. Subscription type, such as free, pay-as-you-go or enterprise agreement, changes rates…

AZ-900 · Describe Azure management and governance

Tags are metadata; they organise but do not enforce

A tag is a name and value pair attached to a resource, resource group or subscription, such as CostCenter equals Finance or Environment equals Prod. Tags let you filter views, group costs in…

AZ-900 · Describe Azure management and governance

Azure Arc manages servers that are not in Azure

…rc also supports Kubernetes clusters and can run Azure data services on your own hardware. It does not move the workload; the machine stays where it is. Do not confuse Arc with Azure Migrate…

BBLC · Security architecture

Place controls at trust boundaries

A trust boundary is where data or actions cross between components with different security assumptions. Map those crossings and require appropriate validation, identity checks and authorizat…

BBLC · Security foundations

Match the control to the security objective

…protects disclosure; restoring a backup addresses lost data or service. Start by naming the asset and the harm you are trying to prevent. Worked example A stolen password alone must not allo…

BDC · Security architecture

Place controls at trust boundaries

A trust boundary is where data or actions cross between components with different security assumptions. Map those crossings and require appropriate validation, identity checks and authorizat…

BDC · Security foundations

Match the control to the security objective

…protects disclosure; restoring a backup addresses lost data or service. Start by naming the asset and the harm you are trying to prevent. Worked example A stolen password alone must not allo…

BFC · Security architecture

Place controls at trust boundaries

A trust boundary is where data or actions cross between components with different security assumptions. Map those crossings and require appropriate validation, identity checks and authorizat…