Core infrastructure Flashcards by Srinivasan J

What are the evaluation of cloud computing

Physical server > virtual server > Container based architecture

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What are the core IaaS services?

Raw compute, Storage & Network

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What is PaaS

Bind code to library which access infrastructure that applications needs. eg : App Engine

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What is Cloud Run service

It’s a serverless service where we can deploy containerized micro services in a fully managed environment

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What is cloud run function

It’s a pay as you go service where we can manage and execute event driven code

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What is SaaS?

It’s a software which runs as a service over the cloud and are consumed directly over the internet by end user. Eg: Gmail, Google Drive

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What are cloud regions?

Regions are geo location where multiple zones are grouped together

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How many regions are available in GCP

40 as of 2024

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What are zones?

Zones contain data center where we host cloud services like VM

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How many zones are there in GCP

121 as of 2024

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Why we host multiple VM in different zones

It’s a resource redundancy mechanism to improve availability of a service during zone failures

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Which certification does GCP data center achieve?

ISO 14001 certification for achieving net carbon neutral

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GCP Provide per second or per minute billing?

Per second billing

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What is Google Front End?

It protect internet layer and provide DDOS Protection

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What options we have in GCP for cost control?

Budget
Alert
Reports
Quotas

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Which quota reset after specific time

Rate quota

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Which quota governs number of resources?

Allocation quota

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What are the 4 different ways to interact with GCP?

GCP Cloud Console
Cloud SDK & Cloud Shell
API
GCP Cloud App

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What is bq ?

A command line tool for BigQuery

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Which CLI provides access to GCP

GCP cloud CLI

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Which web based interface to access GCP

GCP Cloud Console

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Which option allows you to explore API in GCP

GCP API explorer

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What is Quicklabs

It provides Sandbox environments to practice GCP

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List GCP Resources hierarchy

Organization Node >
Folder >
Project >
Resources

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Which project properties are globally unique and can be modified only during creation ?

Project ID

Which project properties are not under user control

Project Number

What is the top most level in GCP hierarchy

Organization Node

Can we have multiple folders under organization node?

Yes

Which option in gcp allows you to manage projects?

Resource Manager tool

Can we bill gcp resources based on projects?

Yes

Which option in GCP allows to to manage user and access control

IAM

What is IAM role

It’s a collection of permissions

What are the different type of roles available in gcp?

Basic iam role Predefined iam role Customer iam role

Can we assign custom role at all level?

No we can sign custom role only at project or organization level

Where we cannot assign customer role?

Folder and resource level

How can we assign access to individual resources to access GCP

Assign Service Account to VM and add roles to service account

What is the format of service account name?

E mail

Do we have a password for service account?

No GCP use cryptographic keys

Which GCP allows you to manage users, group & policies?

Cloud Identity

Services and API are enables on what basis?

Project

List IAM Role types broadest to fine grained?

Basic role Predefined Role Customer Role

Which project properties are unique , permanent and changeable but can be modified during creation

Project ID

What is VPC

Virtual Private Cloud allows you to create a secure and private network in GCP

Can we host a website, run code and store data in a VPC ?

Yes

Can we have resources on different zone and also in same subnet?

Yes

How can we increase the size of subnet?

Expand the range of IP address to increase the size of subnet

What is compute engine in GCP?

Allows you to provision and run virtual machine in GCP

What are the multiple ways we can configure VM in GCP?

GCP Cloud console GCP CLI Compute engine API

Can we configure VM as per our requirements?

Yes

What is Cloud Marketplace

Marketplace allows third party vendors to sell their products and services offered in GCP

Can we find VM images in Marketplace?

Yes

What is the min time requirement to provision VM

1 min

How sustained use discounts are applied?

VM which runs more than 25% of the month

What is the price discount for committed use discount in GCP

Upto 57% discount of normal price

What is Preemptible and Spot VM

90% price discounts where VM can be terminated at anytime

B/W Spot VM and preemptible VM which one has more features?

Spot VM

B/W Spot VM and preemptible VM which one has Runtime max 24 Hrs

Preemptive VM

B/W Spot VM and preemptible VM which one has no max run time

Spot VM

B/W Spot VM and preemptible VM is there any price difference?

VPC is regional or zonal?

It’s a Global and can have subnet in any regions

Can we configure resources on different zones on same sub-net

Yes

How can we increase size of subnet?

Increase range of IP address

which option allows you to add & remove no of VM based on load matrics?

Auto Scaling

Can we create a VM without VPC?

can we increase the size of VM like memory, processing and storage?

yes

what is routing tables?

They fwd traffic from one instance to another instance with in same network, subnet & other zones with of external IP address.

what is a firewall?

it provide restricted access to VM instance.

can firewall control both incoming & outgoing traffic of an VM?

yes

which GCP service allows you to connect another VPC to exchange traffic

VPC Peering

which GCP service allows you to utilize IAM to control who can access VPC

Shared VPC

which GCP service distribute user traffic across multiple instance?

Cloud Load Balancer

does GCP Load balancer support multi region failover?

yes

do we need to pre warm the VM in case of any resource spikes?

Which service provide object storage in GCP

Cloud storage

what are the multiple ways you can connect to GCP VPC

Cloud VPN Direct Peering Carrier Peering Dedicated Interconnect Partner Interconnect Cross Cloud Interconnect

Object storage contains what?

Binary form of actual data Meta data Unique identifier

Which type of files are more suitable for cloud storage in GCP

Movie Pictures Music

What are the primary use case for cloud storage?

Store website content Archive data Direct file download

Which storage is used for storing BLOB objects?

Cloud storage

In which form blob objects are storage in cloud storage?

Buckets

What is immutable objects?

Objects are not edited instead new version is created

Cloud storage data is mutable or immutable?

Immutable

What will happed of you enable versioning in cloud storage?

All data modifications are stored historically

How to control PII data in cloud storage?

Using IAM we can control user access

Which option can we use to delete objects after certain time?

Life cycle policy

How many storage type available in cloud storage?

What is the standard storage?

Frequently accessed / hot data

What is near line storage?

Best to store infrequently accessed data

What is cold line storage?

Low cost option to store infrequent data where data is accessed every 90 days

What is Archive Storage?

It’s the lowest cost option where data is accessed once an year

What is the min time required to store data in archive storage?

1 yr

Does cloud storage support unlimited storage?

Yes

Can I access objects from cloud storage world wide?

Yes

Do we have any data loss?

What is auto class in cloud storage

GCP will automatic move files to different storage class based on the access pattern to save cost

What is storage transfer service?

It allow users to batch transfer peta byte data to cloud storage

What is transfer appliance ?

Storage server to transfer peta byte and ship to gcp data center

What is Cloud SQL?

It’s RDBMS which support MYSQL, SQL SERVER, postgresql

Do we need to manage backup for Cloud SQL ?

No it’s a fully managed service

Does cloud SQL support network firewall?

Yes

Can we scale up cloud sql?

Yes

Can other GCP services access Cloud SQL?

Yes

Can external service access cloud SQL?

Yes

How many processes can cloud SQL scale up?

128

How many RAM can cloud SQL scale up

864 GB

How many storage can cloud SQL can scale up?

64 TB

Do we need to manually setup data replication in cloud SQL?

No it’s automatic

Data stored in cloud sql is encrypted at rest?

Yes

Data transferred to cloud SQL is encrypted?

Yes

How network access is controlled for each instance at. Cloud sql?

Network firewall

Can we connect cloud sql and compute engine instance to work together?

Yes

What is spanner in gcp?

It’s a RDBMS service

What is Firestore in GCP?

It’s No SQL database service

What is big table in gcp?

No SQL big data service

Which storage option to choose to store immutable blob larger than 10 MB

Cloud storage

What is the max unit size per object in cloud storage?

5 TB

Which GCP service support OLTP for up to 64 TB?

Cloud SQL

Which gcp service support OLTP upto petabyte

Spanner