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Networking + Self Made > Chapter 5 - Cloud Concepts And network services > Flashcards

Chapter 5 - Cloud Concepts And network services Flashcards

1
Q

SaaS

A

Software as a Service

Is a software distribution model
Third party provider used to host applications over the internet like

ERP - Enterprise Resource Planning
CRM - Customer Management Software
Databases

Everything’s available as a service like required infrastructure

You subscribe to application and pay for what you use.

Pay as you go

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2
Q

SaaS Advantages

A

Rapid deployment
Easy if administration
High availability
Redundancy provided by provider

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3
Q

SaaS Disadvantages

A

Security concerns as information is stored off site
Compliance issues
Location issues as not onsite
Performance, as recourses are shared to other users.

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4
Q

PaaS

A

Platform as a service

Used to developer and deliver apps
Delivers software tools and development environments to users as a service

You don’t need to invest in infrastructure as your subscription provides it

Can create multiple VMs for testing and implementation

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5
Q

PasS Advantages

A

Easy to test different deployments
Dynamically allocate features
Improved support
Minimal management

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6
Q

PaaS disadvantages

A

Lack of control
Shared platform
Data security concerns about data privacy and retention as centres could be in other conutire

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7
Q

IaaS

A

Infrastructure as a Service

Provides items like
VMs
OS
Networking devices 
Security

Is the lowest level of service

You can creat VMs to represent networking devices

Keeping hardware current is provider responsibility but management of software versions and updates is client responsibility

Is a subscription service

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8
Q

IaaS Advantages

A

Cost saving on infrastructure
Quickly scale up or down depending on needs
High availability

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9
Q

IaaS Disadvantages

A

Maintenance might not be included
Security might not be adequate
Legal considerations depending where data is stored

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10
Q

Private Cloud

A

Uses proprietary infrastructure dedicated to a single organisation

Ideal for dynamic or unpredictable computing needs

You don’t need to provide me infrastructure for branch offices as they can connect to the available corporate infrastructure

Organisation manages and implements everything

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11
Q

Private Cloud Advantages

A

High security as everything remains under organisations control

Performance improvement with data transfer using dedicated lines and connections

Customised hardware management

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12
Q

Private cloud disadvantages

A

High cost

Ongoing maintenance

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13
Q

Community Cloud

A

Collaborative option where infrastructure is shared between several organisations

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14
Q

Public cloud

A

Provides by a service provider (internet)

Service is made public to anyone wanting to use it

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15
Q

Public cloud advantages

A

Infrastructure cost savings

Shared computing resources

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16
Q

Public cloud disadvantages

A

Limited control over privacy and security

Limited flexibility as the platform is provider dependant

17
Q

Hybrid cloud

A

Combination of Private and Public

Helps maximise efficiency and performance

18
Q

Hybrid cloud advantages

A

Scalable
Cost effective
Good flexibility

19
Q

Hybrid cloud disadvantages

A

Infrastructure dependant
Possible compatibility issues
Security breach possible when using public cloud component

20
Q

VPN

A

Virtual private network

Simple option for connecting to a cloud provider

VPN application or native VPN usually provides

Provider might charge for transmission of data.

21
Q

Direct connection

A

More practical

Provider can use CP located facilities to offer direct and private connections

Data creatures will offer cords connection to the public cloud with costs infrastructure use age and port

Most provide unlimited data which lowers the per GB cost

Subscription oriented

22
Q

IaaS risk factors

A

Legal trans border issues depending one data centre location

Failure of infrastructure and how isolated you are from them

Back up and security measures are dependant in what the data centre uses

Physical data centre security

Data disposal

23
Q

PaaS risk factors

A

Application mapping theft and disclosure

Service architecture vulnerability

Application disposal of original files or back ups as you love from testing to production

24
Q

SaaS risk factors

A

Data ownerships as it’s not physically under your control

Data disposal

Software system development life cycle

Identity and access management

Browser vulnerability

25
Q

Public cloud data pooling

A

Infrastructure shared by multiple tenants

No common concern with security

26
Q

Public cloud collateral damage

A

Attack on one remnant could impact other tenants

How isolated are you if a service fails?

27
Q

Private cloud application compatibility issues

A

Older apps

Custom software

28
Q

Private cloud investment

A

Skills needed
Training
Recruitment
Infrastructure maintenance

29
Q

Hybrid cloud inter dependency

A

Mix of two of more cloud types require static identity control
Strong credentials

Risks are

Unavailable
Loss
Theft

30
Q

IPAN

A

IP Address Management

Provides IPv4 and 6 infrastructure management of DNS and DHCP severs

Allows management from a central location

Is an integrated management of IP space with customisable inventory of address space.

Usage alerts and notifications and thresholds for servers

31
Q

What is IPAM

A

Is a multi server management environment used to

Discover DNS/DHCP servers across active directory forests

Config support of DHCP severs and scopes

Updates for common settings across DHCP server

Monitor DHCP scope and DNS

manual addition or removal of managed servers

32
Q

IPAM network audit

A

A quietly event log for DHCP configuration changes using a single console

Can see who is doing what to any changes.

Create queries to track Users, Devices, IP Addresses at specific times

Can export audits to create reports

Help resolve configuration problems

33
Q

IPAM roll based control

A

Customise types of operations and access permissions of specific IPAM objects

Had standard groups for

Local IPAM security group
Build in IPAM role based access group
Custom IPAM role based group

It’s defines group permissions and which users should belong to each group

34
Q

IPAM VASM

A

IPAM virtual Andreas Space

Enables the same fun around as VIP as address space management (ASM) for physical IP address space

Implemented for server clusters and load balancing

Networking + Self Made (8 decks)

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