Edited, memorised or added to reading list

on 21-Oct-2019 (Mon)

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Flashcard 4468349734156

Question
In AWS, for S3 terminology, you also have Key (name of object), Value (the data), Version ID (for version control, to retrieve data), Metadata (data about the data you are storing) and Subresources (like [...] [...] [...] s and Bucket Policies)
Answer
Access Control Lists

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Flashcard 4472101276940

Question
In AWS, you use Snowball to move Terrabytes of data to/from S3 but if you have Petabytes or more of data to move at once, then you need AWS [...]
Answer

Snowmobile


^^^ Snowmobile is a bit truck that can move 100Petabytes of data per truck and save lots of money on internet transfer costs


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Resumen tesis (21-10-2019)

La geografía de los transportes se ha renovado recientemente bajo el paradigma de la movilidad sostenible como respuesta a la amplia problemática social y ambiental del sector cuyas externalidades negativas generan efectos adversos de consecuencias globales. El concepto de sostenibilidad, como característica del desarrollo que asegura las necesidades del presente sin comprometer las de generaciones futuras, implica una triple dimensión ambiental, económica y social. El transporte sostenible es un tema multidisciplinar en el cual la atención se ha centrado principalmente en la esfera ambiental olvidando la importancia de la esfera social. En cambio, la geografía de los transportes si ha mostrado atención por sus consecuencias sociales y lo ha hecho, principalmente, bajo el concepto de accesibilidad territorial y mediante la preocupación por la equidad en la misma.

La principal problemática desde el punto de vista social de la movilidad es que la disponibilidad de vehículo privado para los desplazamientos personales segmenta a la sociedad actual en dos grupos con niveles de accesibilidad territorial muy dispares. Por un lado, encontramos al colectivo motorizado, compuesto por aquellas personas que al disponer de vehículo privado gozan de una gran libertad en sus desplazamientos. En contraposición, el colectivo no motorizado, está formado por aquellos individuos que, por muy diversas razones, no disponen de coche para sus desplazamientos habituales. Como consecuencia, este último grupo depende del transporte público y los medios no motorizados lo que merma su accesibilidad a ciertos espacios y en ciertas franjas horarias.

Los desplazamientos no motorizados, que son los que gozan de una mayor sostenibilidad ambiental, también son susceptibles de crear disparidades en la accesibilidad territorial. Las redes peatonales segmentan a las personas en función de su diversidad funcional pues están pobladas de múltiples elementos que suponen obstáculos y barreras arquitectónicas para los colectivos de personas con discapacidad física, pero también para aquellos con discapacidad visual. Por ello, dichos colectivos presentan un perfil de movilidad diferente a los anteriormente expuestos (motorizado y no motorizado), y que apenas ha sido estudiado por la literatura actual.

Para abordar este vacío el presente trabajo tiene por objetivo identificar diferentes perfiles de movilidad en el área metropolitana de Zaragoza a partir de las diferencias de accesibilidad territorial encontradas entre diferentes colectivos, incluyendo específicamente a las personas con diversidad funcional. Para ello, en primer lugar estudiaremos las variaciones espacio-temporales de la accesibilidad entre el vehículo privado y el transporte público en la totalidad del área metropolitana. Posteriormente, estudiaremos la incidencia de los obstáculos presentes en la red peatonal según diferentes perfiles de personas con diversidad funcional en tres subsectores de la ciuda

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easy to manipulate, model and visualize, and have a specific structure: each variable is a column, each observation is a row, and each type of observational unit is a table
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pdf

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Flashcard 4478404267276

Question
easy to manipulate, model and visualize, and have a specific structure: each variable is a column, each observation is a row, and each type of observational unit is a table
Answer
what are tidy datasets?

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pdf

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PRINCÍPIO DA NÃO AFETAÇÃO OU NÃO VINCULAÇÃO DAS RECEITAS

VEDADOS vinculação de receita de IMPOSTOS a órgão, fundo ou despesa, SALVO :

- Repartição do produto de arrecadação dos impostos;
- Prestação de garantias às operações de crédito por antecipação de despesa;
- Garantia, contragarantia à União e pagamento de débitos para com esta;
- Destinação de recursos para saúde, manutenção e desenvolvimento do ensino e atividades de administração tributária.
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Login - Faça o login para ter acesso completo ao site - TEC Concursos
municípios a aplicação em financiamento de programa habitacional estadual de 50% do ICMS a eles destinado." CERTO Este post recebeu muitos votos negativos. Exibir 9 giottobraz 05/10/2018 11:25 <span>PRINCÍPIO DA NÃO AFETAÇÃO OU NÃO VINCULAÇÃO DAS RECEITAS VEDADOS vinculação de receita de IMPOSTOS a órgão, fundo ou despesa, SALVO: - Repartição do produto de arrecadação dos impostos; - Prestação de garantias às operações de crédito por antecipação de despesa; - Garantia, contragarantia à União e pagamento de débitos para com esta; - Destinação de recursos para saúde, manutenção e desenvolvimento do ensino e atividades de administração tributária. Este post recebeu muitos votos negativos. Exibir Adicionar post FECHAR #474440 CEBRASPE (CESPE) - Procurador do Município de Fortaleza/2017 Dado o princípio da universalidade, o orçamen




Flashcard 4478431005964

Question
In AWS EC2, there are 4 pricing models: [...] [...] , Reserved Instance, Spot Instance, and Dedicated Host
Answer

On Demand

^^ On Demand is the one we use at work, where there is no upfront commitment and you just pay by the hour
^^^ Reserved Instance is you signup for 1 to 3 year contract for instance and you get reduced hourly rate
^^^^ Spot Instance is you bid for the extra unused EC2s that AWS has, but if your bid value is less than the going rate at any moment, AWS can terminate your instance on short notice (using it for EKS, kubernetes is good option)
^^^^^ Dedicated Host is you but a whole server that does not used shared virtualization, for cases where you have special licensing needs like Oracle installation or security needs (like government stuff)


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Flashcard 4478433103116

Question
In AWS EC2, there are 4 pricing models: On Demand, [...] [...] , Spot Instance, and Dedicated Host
Answer

Reserved Instance

^^ On Demand is the one we use at work, where there is not upfront commitment and you just pay by the hour
^^^ Reserved Instance is you signup for 1 to 3 year contract for instance and you get reduced hourly rate
^^^^ Spot Instance is you bid for the extra unused EC2s that AWS has, but if your bid value is less than the going rate at any moment, AWS can terminate your instance on short notice (using it for EKS, kubernetest is good option)
^^^^^ Dedicated Host is you but a whole server that does not used shared virtualization, for cases where you have special licensing needs like Oracle installation or security needs (like government stuff)


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Flashcard 4478435200268

Question
In AWS EC2, there are 4 pricing models: On Demand, Reserved Instance, [...] [...] , and Dedicated Host
Answer

Spot Instance

^^ On Demand is the one we use at work where, there is not upfront commitment and you just pay by the hour
^^^ Reserved Instance is you signup for 1 to 3 year contract for instance and you get reduced hourly rate
^^^^ Spot Instance is you bid for the extra unused EC2s that AWS has, but if your bid value is less than the going rate at any moment, AWS can terminate your instance on short notice (using it for EKS, kubernetest is good option)
^^^^^ Dedicated Host is you but a whole server that does not used shared virtualization, for cases where you have special licensing needs like Oracle installation or security needs (like government stuff)


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Flashcard 4478437297420

Question
In AWS EC2, there are 4 pricing models: On Demand, Reserved Instance, Spot Instance, and [...] [...]
Answer

Dedicated Host

^^ On Demand is the one we use at work, where there is not upfront commitment and you just pay by the hour
^^^ Reserved Instance is you signup for 1 to 3 year contract for instance and you get reduced hourly rate
^^^^ Spot Instance is you bid for the extra unused EC2s that AWS has, but if your bid value is less than the going rate at any moment, AWS can terminate your instance on short notice (using it for EKS, kubernetest is good option)
^^^^^ Dedicated Host is you but a whole server that does not used shared virtualization, for cases where you have special licensing needs like Oracle installation or security needs (like government stuff)


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Flashcard 4478439394572

Question
In AWS EC2, you use [...] [...] pricing model if you want no up-front cost commitement and just want to pay by hour (with no risk of instance being taken away from you)
Answer
On Demand

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Flashcard 4478441491724

Question
In AWS EC2, you use [...] [...] pricing model if you want to lower your hourly costs and are willing to make a 1 to 3 year commitment for the instance usage
Answer

Reserved Instance

^^ Reserved Instance has three variations: Standard, Converable (you can change the instance type), and Scheduled (you want to only use instance part of day/week/month)


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Flashcard 4478443588876

Question
In AWS EC2, if you want the cheapest rate (by bidding) and are OK with AWS terminating your instance on very short notice you can use the [...] [...] pricing model (works best with Elastic Kubernetes Service, where the hosts are ephimeral/can be respined up easily)
Answer
Spot Instance

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Flashcard 4478445686028

Question
In AWS EC2, if you have special licnensing compliance (like Oracle) or security compliance, where shared virtualization model is not allowed, you can use the [...] [...] pricing model
Answer
Dedicated Host

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Flashcard 4478447783180

Question
In AWS EC2, there are three variations of the Reserved Instance pricing model: Standard, [...], and Scheduled
Answer

Convertable

^^ for Convertable you can change the instance type, for example from t2.small to m5.large, but Standard you can't
^^^ Scheduled allows you to just buy the instance for 1 to 3 years to use in particular times of day/week/month


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Flashcard 4478449880332

Question
In AWS EC2, the acronym to remember the different types of instances is [...]
Answer

FIGHTDRMCPXZAU

^^ FIGHT DR MC PX (pixy) Z AU (australia, think A cloud guru guy)
^^^ Fpga (field programable Gate aray), Iops (NoSQL DBs), Graphics (vidio encoding), High disk (HDFS), T (general), Dense storage (hadoop), Ram/mem intensive, M (general purpose supercharged), Compute optimized, P (gPu intensive, e.g. bitcoing mining), Xtreme memory, Z (elocronic design automation), Arm cpu, U (bare metal that eliminates vitrualization overhead.


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Flashcard 4478451977484

Question
In AWS EC2, the instance types used for general purpose computing are T and [...]
Answer

M

^^ M is more powerful version of T, for general purpose compute.

^^^ You can remember it this way: M is just general purpose (NOT memory!!), while R is for memory intensive tasks(R for RAM)


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Flashcard 4478455647500

Question
In AWS, a [...] [...] can be thought of as virtual application firewall, that controls which traffic (i.e. from/to which IP Range and for which Port) can reach your EC2 instances.
Answer
Security Group

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Flashcard 4478457744652

Question
In AWS, for Security Groups (that control traffic to/from your EC2 instances), by default (i.e when new SG is created), all [...] traffic is blocked, while all [...] traffic is allowed.
Answer
Inbound / Outbound

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Flashcard 4478462201100

Question
In AWS, you cannot use Security Group rules to restrict a specific IP (SG rules are "Allow" only, not "Deny"), so for this case you should use a VPC [...] [...] [...] [...] instead.
Answer
Network Access Control List (NACL)

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