AZ-900 Practice Exam Questions With Correct Answers

AZ-900 Practice Exam Questions With
Correct Answers
Which |2 |attributes |are |characteristics |of |private |cloud |deployment |model?

a. |Hardware |must |be |purchased

b |Company |has |complete |control |over |physical |resources |and |security

c. |Apps |provisioned/deprovisioned |quickly

d. |Pay-as-you-go |- |CORRECT |ANSWER✔✔-a, |b

Private |clouds |require |that |hardware |must |be |purchased |for |start-up |and |maintenance |- |
organizations |also |control |all |resources |and |security |in |this |case. |Quick |provisioning |and |pay-
as-you-go |models |are |public |cloud |traits.



Deploying |and |configuring |cloud-based |resources |quickly |as |business |requirements |change |is |
called...?

a. |agility

b. |scalability |

c. |elasticity

d. |high |availability |- |CORRECT |ANSWER✔✔-a

Agility |- |deploy/configure |cloud-based |resources |quickly.

Scalability |- |add |CPU |or |RAM |to |a |configuration

Elasticity |- |autoscale |to |handle |high/low |volume |of |traffic

High |Availability |- |continuous |user |experience |with |no |downtime.



Which |cloud |deployment |model |are |you |using |if |you |have |servers |physically |located |at |your |
organization's |on-site |datacenter |and |you |migrate |a |few |servers |to |the |cloud?

a. |private |cloud

b. |public |cloud

,c. |hybrid |cloud |- |CORRECT |ANSWER✔✔-c

Hybrid |cloud |combines |public |and |private |by |allowing |data |and |apps |to |be |shared |between |
them.



Why |is |cloud |computing |often |less |expensive |than |on-premises |datacenters?

a. |you |are |only |billed |for |what |you |use

b. |network |bandwidth |is |free

c. |cloud |service |offerings |have |limited |functionality

d. |services |are |only |offered |in |a |single |geographical |location |- |CORRECT |ANSWER✔✔-a

Charges |can |be |incurred |depending |on |network |bandwidth, |cloud |services |are |flexible |and |the
|providers |offer |service |globally.




What |are |2 |basic |services |provided |by |all |cloud |providers? |- |CORRECT |ANSWER✔✔-c, |d

All |cloud |providers |provide |compute |and |storage |services. |Colocation |is |when |a |business |rents
|space |in |a |shared |physical |datacenter. |Application |development |is |the |responsibility |of |the |


customer |and |is |typically |done |either |in-house |or |through |3rd |party.



Increasing |compute |capacity |for |an |app |by |adding |instances |of |resources |such |as |virtual |
machines |is |called...?

a. |vertical |scaling

b. |horizontal |scaling

c. |elasticity

d. |high |availability |- |CORRECT |ANSWER✔✔-b

Horizontal |scaling |is |the |act |of |adding |more |instances |of |resources.



What |are |cloud-based |backup |services, |data |replication |and |geo-distribution |features |of?

a. |disaster |recovery |plan

b. |elastic |application |configuration

, c. |cost |reduction |plan

d. |hybrid |cloud |deployment |- |CORRECT |ANSWER✔✔-a

Disaster |recovery |uses |the |services |mentioned |to |keep |data |and |code |safe |in |the |event |of |a |
disaster.



What |is |high |availability |in |a |public |cloud |environment |dependent |on?

a. |the |service |level |agreement |(SLA) |that |you |choose

b. |the |vertical |scalability |of |an |app

c. |cloud-based |backup |retention |limits

d. |capital |expenditures |- |CORRECT |ANSWER✔✔-a

Different |services |have |different |SLAs. |Sometimes |different |tiers |of |the |same |service |will |offer |
different |SLAs, |which |can |increase |or |decrease |the |promised |availability.



In |cloud |computing |[answer |choice] |allows |you |to |deploy |applications |to |regional |datacenters |
around |the |world.

a. |high |availability

b. |disaster |recovery

c. |geo-location

d. |elasticity |- |CORRECT |ANSWER✔✔-c

You |can |deploy |apps |and |data |to |regional |datacenters |around |the |globe, |thereby |ensuring |that
|your |customers |always |have |the |best |performance |in |their |region. |This |is |referred |to |as |geo-


location.



Which |cloud |service |model |provides |you |with |the |most |control |over |the |hardware |that |runs |
applications?

a. |infrastructure |as |a |service |(IaaS)

b. |platform |as |a |service |(PaaS)

c. |software |as |a |service |(SaaS) |- |CORRECT |ANSWER✔✔-a