Cloud Computing Quiz 3
Which of the following statement(s) regarding OpenStack storage is/are right?
A. Object storage is managed by Cinder
B. Both ephemeral storage and block storage are accessible from within VM
C. Block storage persists until VM is terminated
D. Ephemeral storage is used to run operating system and/or scratch space
A. Object storage is managed by Cinder
B. Both ephemeral storage and block storage are accessible from within VM
C. Block storage persists until VM is terminated
D. Ephemeral storage is used to run operating system and/or scratch space
B. Both ephemeral storage and block storage are accessible from within VM
D. Ephemeral storage is used to run operating system and/or scratch space
D. Ephemeral storage is used to run operating system and/or scratch space
A task takes time T in a uniprocessor system. In a parallel implementation, the task runs on P processors parallelly. The parallel efficiency is Eff, where 0 < Eff < 1. What is the time taken by each processor (M) in this implementation?
M = T/(Eff×P)
What does the term “biasness towards vendors” imply in the context of SLA monitoring?
Vendor-driven selection of monitoring parameters.
How does the master node in the Google File System maintain communication with chunk servers?
The master node in the Google File System maintains communication with chunk servers through regular “heartbeat” messages.
In a cloud, total service uptime is 175 minutes and availability of the service is 0.85. What is the service downtime?
The service downtime is 26.25 minutes.
Statement 1: In ephemeral storage, the stored objects persist until the VM is terminated.
Statement 2: The ephemeral storage is managed by Cinder in OpenStack.
Statement 2: The ephemeral storage is managed by Cinder in OpenStack.
Statement 1 is TRUE, Statement 2 is FALSE
“Midsize providers can achieve similar statistical economies to an infinitely large provider” Does this fall under?
Independent demand
Let D(t) and R(t) be the instantaneous demand and resources at time t respectively. If demand is exponential (D(t)=et), any fixed provisioning interval (tp) according to the current demands will fall linearly behind.
FALSE
Which of the following is/are expected common SLA parameter(s) for both Software-as-a-Service and Storage-as-a-Service models?
scalability
Data retention and deletion by cloud providers do not fall under one of the SLA requirements.
False. Data retention and deletion by cloud providers do fall under SLA (Service Level Agreement) requirements.
SQL Azure is a cloud-based relational database service that is based on:
A. Oracle
B. SQL Server
C. MySQL
D. None
A. Oracle
B. SQL Server
C. MySQL
D. None
SQL Server
Microsoft Azure provides
A. SaaS
B. PaaS
C. IaaS
D. None
A. SaaS
B. PaaS
C. IaaS
D. None
A. SaaS
B. PaaS
C. IaaS
B. PaaS
C. IaaS
Azure App Service plan defines
A. Region
B. Instance size
C. Scale count
D. None
A. Region
B. Instance size
C. Scale count
D. None
A. Region
B. Instance size
C. Scale count
B. Instance size
C. Scale count
The OpenStack component – Glance monitors and meters the OpenStack cloud for billing, benchmarking. State True of False.
False. Glance is not responsible for monitoring and metering in OpenStack. Instead, Glance is the image service component, which manages and stores disk images. Monitoring and metering for billing and benchmarking are handled by the OpenStack component called Ceilometer.
GCP: Choose the correct option(s)
A. To run your web-application, you need to configure only the Google Storage bucket
B. “gcloud app deploy app.yaml” the command can be used to deploy your app to app-engine
C. After launching your application to app-engine anyone can view the app at http:// [YOUR_PROJECT_ID] .appspot .com
A. To run your web-application, you need to configure only the Google Storage bucket
B. “gcloud app deploy app.yaml” the command can be used to deploy your app to app-engine
C. After launching your application to app-engine anyone can view the app at http:// [YOUR_PROJECT_ID] .appspot .com
B. “gcloud app deploy app.yaml” the command can be used to deploy your app to app-engine
C. After launching your application to app-engine anyone can view the app at http:// [YOUR_PROJECT_ID] .appspot .com
C. After launching your application to app-engine anyone can view the app at http:// [YOUR_PROJECT_ID] .appspot .com
In OpenStack, the different components of Nova (e.g. scheduler, Compute, api etc.) communicates via:
A. Message Queues
B. Neutron
C. Conductor
D. Swift
A. Message Queues
B. Neutron
C. Conductor
D. Swift
The components of Nova in OpenStack communicate via Message Queues.
In OpenStack, __________ is a system for managing networks and IP addresses.
Neutron
Cloud DataStore in GCP is a NoSQL document database built for automatic scaling, high performance, and ease of application development.
True
GCP: Which one is/are correct statement(s)?
A. You can reuse the project ID only after you delete the previous project in GCP.
B. A CNAME alias is a DNS record that lets you use a URL from your own domain to access resources, such as a bucket and objects, in Cloud Storage using your custom domain URL.
C. “Multi-Regional” Storage class is used for the bucket to stream videoes and host hot web content accessed frequently around the world.
A. You can reuse the project ID only after you delete the previous project in GCP.
B. A CNAME alias is a DNS record that lets you use a URL from your own domain to access resources, such as a bucket and objects, in Cloud Storage using your custom domain URL.
C. “Multi-Regional” Storage class is used for the bucket to stream videoes and host hot web content accessed frequently around the world.
B. A CNAME alias is a DNS record that lets you use a URL from your own domain to access resources, such as a bucket and objects, in Cloud Storage using your custom domain URL.
C. “Multi-Regional” Storage class is used for the bucket to stream videos and host hot web content accessed frequently around the world.
C. “Multi-Regional” Storage class is used for the bucket to stream videos and host hot web content accessed frequently around the world.
OpenStack: Which IP use is preferred for transferring data to a VM from
(i) Another VM in the same cloud
(ii) One organization’s network-
(i) Another VM in the same cloud
(ii) One organization’s network-
(i) Private IP,
(ii) Floating IP
(ii) Floating IP
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Cloud Computing Quiz 1 Flashcards
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