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ANTS SPANISH WORDS > aws-cloud-practitioner > Flashcards

aws-cloud-practitioner Flashcards

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1
Q

what is cloud computing?

A

Remote virtrual shared resources (Compute, storage, Database and Network)

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2
Q

what is a hypervisor?

A

software to create a VM environ on a single server

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3
Q

what are the 3 types of cloud deployment models?

A

public, private and hybrid

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4
Q

what is scaling ‘up and down’?

A

altering the power and performance of an instance (memory, CPU)

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5
Q

what is scaling ‘in and out’?

A

adds or removes the number of instances

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6
Q

example of Saas? (software)

A

gmail

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7
Q

example of Paas? (platform)

A

heroku, github

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8
Q

example of Iaas (infrastructure)

A

aws

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9
Q

what is EBS?

A

Elastic block store. Offers persistant block level storage. Can be detatched and attached to instances.

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10
Q

what is EC2?

A

Elasctic compute cloud

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11
Q

what is an AMI?

A

Amazon machine image

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12
Q

what is ECS?

A

Elastic container service (runs docker etc)

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13
Q

what is MIME?

A

Multipurpose Internet Mail Extensions (enables the sending of data and media via http)

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14
Q

what is TCP?

A

Transmission Control Protocol

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15
Q

whats is lead time?

A

time from request to release

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16
Q

what is meant by muteable?

A

liable to change

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17
Q

what is CAPEX?

A

capital expenditure (starting up)

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18
Q

what is OPEX?

A

operational expenditure (long term)

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19
Q

what is NAS?

A

Network-attached storage

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20
Q

what is IOPS

A

input output operations per second

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21
Q

where is the public key?

A

aws

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22
Q

what key do you have? (public or private)

A

private

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23
Q

what are the types of ELB’s?

A

Application, Network, Classic

24
Q

what is TLS?

A

Transport Layer Security

25
Q

what is ACM?

A

Aws Certificate Manager

26
Q

what level does the application load balancer work at?

A

level 7 (application)

27
Q

what level does the network load balancer work at?

A

level 4 (transport)

28
Q

what is the OSI model?

A

Open Systems interconnection (7 layers)

29
Q

what certificate is used for ELB https?

A

X.509

30
Q

whats is KMS?

A

key management service

31
Q

what is UDP?

A

user datagram protocol

32
Q

what is SNS?

A

simple notification service

33
Q

what is TLS?

A

Transport Layer Security

34
Q

what is RTO?

A

(Recovery Time Objective) is defined as the maximum amount of time in which a service can remain unavailable for before it’s classed as damaging to the business

35
Q

what is NFS?

A

Network file system

36
Q

what is NAT?

A

network address translation

37
Q

what is a NAT Gateway?

A

a portal to the internet from a private cloud, cant be accessed from the internet. only from the private cloud.

38
Q

what is a Bastion host?

A

An instance in a public network that can connect to instances in a private network (remotely)

39
Q

whats is ARP?

A

address resolution protocol

40
Q

what is an NIC?

A

network interface card

41
Q

what is URL?

A

Universal Resource Locator

42
Q

what is DHCP?

A

Dynamic Host Configurtion Protocol

43
Q

what is NAC?

A

Network Access Control

44
Q

what is direct connect?

A

Private connection to private clouds (without traversing the internet)

45
Q

what is vpc peering?

A

connection between 2 vpcs, they are 1 to 1 (can not talk to other vpcs that are connected to each other)

46
Q

what is AWS transit gateway?

A

service to simplify connections bewteeen vpcs and networks. all entites route to the gateway, instead of an individual 1 to 1 connection with each other.

47
Q

whats is an ENI

A

Elastic Network Interface, can be attached and detached to instances. Can contain a ip/mac address

48
Q

what is Eth0?

A

Name of the primary interface ENI when a EC2 instance is created.

49
Q

what is Route 53?

A

a highly available and scaleable dns. Provides secure and reliable routing of requests.

50
Q

what is RDP?

A

SSH for windows

51
Q

what is an OAI?

A

origin access identity

52
Q

what is RTO?

A

Recovery Time Objective, length of time to restore after a disaster.

53
Q

what is RPO?

A

Recovery Point Obejctive, time before disaster where a back up can occur.

54
Q

what is iSCSI?

A

internet small computer system interface, a block protocol for storage networking across a network connection which is usually Ethernet

55
Q

what is a SAN?

A

storage area network

ANTS SPANISH WORDS (2 decks)

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