Quiz
Cloud Final Review
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Fragen in diesem Quiz (40)
1Select the most correct definition of cloud computing
- Athe use of a central node (server) to store and process resources from multiple clients
- Bthe on-demand delivery of IT resources from a data center to clients using the Internet and pay-as-you-go pricing models
- Cthe future
- Dthe use of a super computer to handle and process data & deliver software to multiple clients using pay as a service pricing
2Which two these are considered an obstacle for moving companies to cloud computing?
- AAbility to use flexible scaling
- BSecurity issues
- CNeed to migrate from legacy systems
- DMonthly costs of onsite IT is easier to calculate then using offsite resources
3Which of these is a property of cloud computing?
- Aphysical systems access
- Bupfront payments
- Cflexible and quick scalability
4Define "Infrastructure as a Service"
- ATypically end-user applications which are complete software packages managed by the provider.
- BClosest to a CAPEX setup (onsite IT), this provides access to the basic building blocks of the infrastructure. Allowing for the most flexibility and control of the system.
- CConsidered the middle ground, this provides resources and applications but allows the provider to handle the underlying infrastructure.
5Define "Software as a Service"
- ATypically end-user applications which are complete software packages managed by the provider.
- BClosest to a CAPEX setup (onsite IT), this provides access to the basic building blocks of the infrastructure. Allowing for the most flexibility and control of the system.
- CConsidered the middle ground, this provides resources and applications but allows the provider to handle the underlying infrastructure.
6Define "Platform as a Service"
- AClosest to a CAPEX setup (onsite IT), this provides access to the basic building blocks of the infrastructure. Allowing for the most flexibility and control of the system.
- BConsidered the middle ground, this provides resources and applications but allows the provider to handle the underlying infrastructure.
- CTypically end-user applications which are complete software packages managed by the provider.
7This type of system uses a single node which other devices (clients) can connect to for access to data and apps.
- ADistributed Architecture
- BCentralized Architecture
- CModular Architecture
- DClusters
8This type of horizontal partitioning has multiple nodes which break data into chunks (collections) to be accessed individually (may or may not have replicants)
- ADistributed Architecture
- BCentralized Architecture
- CSharding
- DReplicas
9This type of system uses multiple nodes with sub-nodes to split access to a network.
- ADistributed Architecture
- BCentralized Architecture
- CModular Architecture
- DSharding
10Select any answer which is an advantage SSDs (solid state drives) have over mechanical HDDs.
- AMore reliable
- BFaster Access
- CCheaper
- DAlways has less storage
11Mechanical HDD (hard disk drives) have which advantage over SSDs?
- AThese are faster then SSDs
- BMore reliable then SSDs
- CHDDs are typically smaller than SSDs
- DMaking high storage versions is cheaper with these then SSDs
12(one of these is not listed on the powerpoint but was spoken about in class and should be known):
Select the 3 types of storage types.- Afile
- Bprocedural
- Cshard
- Dobject
- Efunctional
- Fblock
13What is virtualization?
- AEssential to cloud systems but available with any system
- Bthe on-demand delivery of IT resources from a data center to clients using the Internet and pay-as-you-go pricing models
- CCreates logical (virtual) systems which copy or emulate physical resources
- Dthe use of a central node (server) to store and process resources from multiple clients
14This manages the network functions infrastructure (resources, storage, connections) of a virtual machine.
- AVIM
- BNAS
- CHard Drives
- DSolid State Drives
15This type of VM is embedded in the hardware (firmware) of the device.
- AType 0
- BType 1
- CType 2
- DNAS
16This is the oldest type of data storage still in use today (because it can last for 30 years or so)
- ANAS
- BSolid State Drives
- CHard Drives
- DTapes
17Select any answer which is a type of virtualization.
- AHarddisk
- BApplication
- COperating System (OS)
- DServer
- EAbstract
18Select the best definition of Block Storage
- AStorage device does not know about files - it simply breaks data into chunks and stores them
- BHoles are punched in cards and the pattern of these holes allows for data to be interpreted
- CFiles are considered with the current instance of their parameters and attributes and stored (read and wrote) at that level
- DFiles are stored on the file system within a directory structure
19Select the two statements which are true about containers
- AThey build a microservice on the OS for virtualization
- BThey are a Type 2 virtualization
- CThey use the namespace (or silos) to build their own isolated environments
- DThey must have a hypervisor active to function
20Select the best definition of Object Storage
- AStorage device does not know about files - it simply breaks data into chunks and stores them
- BFiles are stored on the file system within a directory structure
- CFiles are considered with the current instance of their parameters and attributes and stored (read and wrote) at that level
- DHoles are punched in cards and the pattern of these holes allows for data to be interpreted
21What is the general definition of virtualization?
- ACreation of logical systems which copy or emulate physical resources
- BThe creation of instances of a Server that other computers can use
- CThe creation of nodes which work with networks to provide resources
- DAbstraction at a network level
22Which two these are considered an obstacle for moving companies to cloud computing?
- ASecurity issues
- BMonthly costs of onsite IT is easier to calculate then using offsite resources
- CNeed to migrate from legacy systems
- DAbility to use flexible scaling
23Which of the follow are reasons that cloud computing allows for sharding and replication?
- ASharding scales better as one can add more replicas and shards virtually based on need or usage
- BShard space is limited
- CIt helps prevent crashes when a single server or server group stores fails
- DThey are slower to respond to requests but provide more accurate information because of this
- EThis removes the bottleneck that came from a single Server approach
24Which of these is a property of cloud computing?
- Aflexible and quick scalability
- Bupfront payments
- Cphysical systems access
25Select the answer which is an advantage SSDs (solid state drives) have over mechanical HDDs.
- AStronger Encryption
- BCheaper
- CFaster Data Access
- DAlways has less storage
26Select the best definition of Object Storage
- AFiles are stored on the file system within a directory structure
- BFiles are considered with the current instance of their parameters and attributes and stored (read and wrote) at that level
- CStorage device does not know about files - it simply breaks data into chunks and stores them
- DHoles are punched in cards and the pattern of these holes allows for data to be interpreted
27Select the two statements which are true about containers
- AThey use the namespace (or silos) to build their own isolated environments
- BThey build a microservice on the OS for virtualization
- CThey must have a hypervisor active to function
- DThey are a Type 2 virtualization
28Select the best definition of Block Storage
- AFiles are considered with the current instance of their parameters and attributes and stored (read and wrote) at that level
- BStorage device does not know about files - it simply breaks data into chunks and stores them
- CFiles are stored on the file system within a directory structure
- DHoles are punched in cards and the pattern of these holes allows for data to be interpreted
29What is the general definition of virtualization?
- AThe creation of nodes which work with networks to provide resources
- BThe creation of instances of a Server that other computers can use.
- CAbstraction at a network level
- DCreation of logical systems which copy or emulate physical resources
30This principle would be the main part of keeping secret data secret (safe from unauthorized access)
- AConfidentiality
- BIntegrity
- CAuthentication
31This principle uses hashes and other means to ensure data has not changed in an unexpected or unauthorized way.
- AConfidentiality
- BIntegrity
- CAuthentication
32This principle uses factors such as inherence or possession to ensure someone is who they say they are
- AConfidentiality
- BIntegrity
- CAuthentication
33The size and scale of the data - it meets the definition of BIG data.
- AVolume
- BVeracity
- CVariety
- DVelocity
34The data comes from a huge number of different sources.
- AVolume
- BVariety
- CVelocity
- DVeracity
35Need the results of queries in "real-time" (re: instant).
- AVolume
- BVariety
- CVeracity
- DVelocity
36Select 3 items which began to grow in the early 2010s which caused cloud computing to become the de-facto standard for Big Data (1 is a review item but was mentioned in the lecture).
- AServers had become cheap due to price drops in memory and other components so data was easier to generate
- BDot-com bubble burst (recession) caused data centers to have a lot of storage and nothing to store leading to cheap, internet-based storage options (i.e. cloud storage)
- CMore people had access to the internet and were using it to share a greater variety of items due to social media sites
- DMusic sharing began to be a major factor in data generation
- ESmart phones and other IoT devices exploded causing a huge increase in end-points and data creation
37How does streaming and chunking help with Big Data systems?
- AStreaming with chunking allows you to load data to be processed in smaller parts which avoids overflowing your memory and helps track progression
- BIt downloads the whole file but helps you split the data into chunks for easier processing
- CIt caches the data so it only has to load new information
- DIt lets you transfer the data into bytes which is easier to transport
38Describe the Greedy algorithm
- APick the shortest path to every node from starting position
- BGroup nodes and find average shortest routes then combine
39Describe the K-Means algorithm
- APick the shortest path to every node from starting position
- BGroup nodes and find average shortest routes then combine
40How did cloud make network attacks worse?
- AEasier distributing
- BMore end-points
- CViruses became easier to hide
- DSystem designed for parallel
- EBetter machine learning
Informationen
- Beschreibung
- Quiz am Cloud Final Review, erstellt von Ken Orsini am 30/11/2021.
- Autor
- Ken Orsini
- Sprache
- English
- Aufrufe
- 1
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