ITEC 626 Final Due date: Saturday April 25th, 2020 Instructions: The Exam is open book/notes, but individual, not to be shared. Save the file with your answers as an MS Word file. Answer the below...

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Date: 4/23/2020
Table of Contents
1.    Answer 1    3
2.    Answer 2    4
3.    Answer 3    5
4.    Answer 4    6
5.    Answer 5    6
6.    Answer 6    7
7.    Answer 7    7
8.    References:    9
1. Answer 1
NIST provides IaaS, PaaS and SaaS as the main models for cloud implementation and these models with pros and cons are explained below:
1. IAAS: The provided support of hardware and infrastructure to the cloud consumers provides implementation of IAAS. The consumers are allowed to make virtual use of infrastructure for their requirements. The main pros of this NIST based cloud model are:
· Scalability is based on consumer demand.
· Easy cost saving for hardware purchase.
· Provides flexible hardware uses.
· During server shut down condition, consumer is allowed to make use of infrastructure.
The main cons of this NIST based cloud model are:
· The maintenance and required updates are very critical.
· The use of virtual hardware provides issues to user privacy.
· The dependency of user is increased towards the virtual infrastructure.
2. PAAS: The renting service for storage space and OS execution is mainly provided by this cloud model. The main pros of this NIST based cloud model are:
· The required updates in platform can be done automatically.
· Minimum consumer investment is required for this cloud.
· The easy collaboration is provided for consumers.
· Consumer requires no focus on maintenance.
The main cons of this NIST based cloud model are:
· The lock in risks is very high with this model.
· The scalability of this model is very limited.
· The backup of database also creates issues for consumer.
3. SAAS: The license based software services are mainly provided by this cloud model. The main pros of this NIST based cloud model are:
· The front cost of application uses is very low.
· The software updates and installation is very easy for consumer.
· The scalability and accessibility of this cloud model is very high.
The main cons of this NIST based cloud model are:
· The provided application range is very limited.
· The data storage and implementation issues are very high.
· The control of application to consumer is very limited.
· There are some performance issues also.
2. Answer 2
The process responsible for management of network components and maintaining the network based activities is called network management. The administrative tasks handling and monitoring the performance of network are main tasks of network management. Network management is based on different functions and some important functions...