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SCSU | CYB 475 Midterm Review (Ch 1-8)questions with correct answers
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SCSU | CYB 475 Midterm Review (Ch 1-8)questions with correct answers
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SCSU | CYB 475 Midterm Review (Ch 1-8)
If you have SLA Availability of "four nines", how much downtime will you experience per month? -
correct answer ✔✔4+ minutes
According to the text, It seems reasonable to assume that the Future Internet will be ___________.
Information is the result of functions applied to content. - correct answer ✔✔content-centric
What year did Amazon Web Services (AWS) first offer the Elastic Cloud Computing (EC2) and the Simple
Storage Service (S3)? - correct answer ✔✔2006
Which of the following is NOT one of the 5 attributes of cloud computing? - correct answer ✔✔Limited
network access
Services based on _____ will probably be increasingly more popular because they are more accessible to
lay people, while services based on the _____ will be the domain of computer savvy individuals, large
organizations, and the government. - correct answer ✔✔SaaS, IaaS
In the 3 tier model for software architecture, which tier may be multi-tiered itself? - correct answer
✔✔Application/logic
Which cloud model's infrastructure is available to only one organization and is owned and operated by
the organization? - correct answer ✔✔Private Cloud
Most ______________ applications are data intensive - correct answer ✔✔Network-centric
Which cloud model's infrastructure is available to the general public and is owned and operated by a 3rd
party? - correct answer ✔✔Public Cloud
,As of March 2017, how many internet users were there in the North American region? - correct answer
✔✔320 million
Which of the following provides persistent block level storage volumes for use with EC2 instances;
suitable for database applications, file systems, and applications using raw data devices. - correct answer
✔✔Elastic Block Storage (EBS)
Which of the following is a "Very high cost region" for AWS? - correct answer ✔✔South America (Sao
Paulo)
An AWS __________ is a virtual server with a well specified set of resources including: CPU cycles, main
memory, secondary storage, communication and I/O bandwidth. - correct answer ✔✔instance
The _______________ allows multiple EC2 instances to communicate with one another. - correct answer
✔✔simple queuing service (SQS)
Which of the following is NOT one of the three core components of Microsoft Azure? - correct answer
✔✔Applications and Data
What is the default AWS standard instance? - correct answer ✔✔small (StdS)
What are examples of a risk when a large organization relies on a single cloud service provider? - correct
answer ✔✔The provider may increase the prices for service.
Permanent data loss in case of a catastrophic system failure.
Cloud services may be unavailable for a short or an extended period of time.
Which of the following is NOT an open-source cloud computing platform? - correct answer ✔✔Epsilon
Which open source private cloud has a storage service called Walrus? - correct answer ✔✔Eucalyptus
,Which private cloud platform is a private cloud with users actually logging into the head node to access
cloud functions? - correct answer ✔✔Open-Nebula
AppEngine, Google Co-op, Google Drive, and Google Base are all examples of which type of service? -
correct answer ✔✔PaaS
Which of the following three core components of Microsoft Azure is responsible for deploying,
managing, and monitoring applications? - correct answer ✔✔Fabric Controller
Which of the following is a non-relational data store - correct answer ✔✔SimpleDB
Gmail, Google Docs, Google Calendar, and Google Maps are all examples of which type of service? -
correct answer ✔✔SaaS
Which private cloud platform is a a cloud solution for scientific applications based on Globus software ? -
correct answer ✔✔Nimbus
Of the cloud models, which one is by far the most challenging to defend against attacks because the user
has considerably more degrees of freedom than allowed by the other cloud delivery models? - correct
answer ✔✔IaaS
A typical Google cluster spends most of its time within the ________ CPU utilization range; there is a
mismatch between server workload profile and server energy efficiency. - correct answer ✔✔10-50%
Which instance type has the following characteristics:
40 vCPU
160 GiB Memory
Hourly cost of $2.394
General Purpose:
A1
T4g
, M6g
M5
M5a
M5ad
M5d
Sizes:
Nano
Micro
Small
Medium
Large
X-Large
2X-Large
4X-Large
8X-Large
12X-Large
16X-Large
24X-Large
32X-Large - correct answer ✔✔m4.10xlarge
Of the following reasons that are driving the decision to use public clouds, which one is the top reason? -
correct answer ✔✔Improved system reliability
Which AWS management resource would you choose if you wanted access to services by discrete
commands or scripts? - correct answer ✔✔Command Line Interface (AWS CLI)
Which Amazon EC2 instance is included in the free tier? - correct answer ✔✔T2 micro
What is the maximum number of security policies that you can have in AWS Organizations? - correct
answer ✔✔1000
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