CS435 ASSIGNMENT 1 SOLUTION 2021

Assignment No. 01
CS435: Cloud Computing
Semester: Spring 2021
Total Marks: 20
Due Date:
Objective:
The objective of this assignment is to enhance the learning capabilities of the students about:  Cloud Computing Service Models  IP Addressing
 Basics of Computer Networking
Instructions:
Please read the following instructions carefully before submitting the assignment:
You need to use MS word document to prepare and submit the assignment on VU-LMS. It should be clear that your assignment will not get any credit if:  The assignment is submitted after due date.  The assignment is not in the required format (.doc or docx)  The submitted assignment does not open, or file is corrupt.  Assignment is copied (partial or full) from any source (websites, forums, students, etc)
Assignment
Question No. 1
Suppose a United Bank have many branches located in different cities of Pakistan, which are connected with
each other by a wide area network (WAN). Each branch has multiple floors in its building. All the operations
of the bank are handled through an efficient Network management system. You are required to answer the
following questions in the context of the above scenario:
Sr. No. Questions Answer
1 Which intelligent networking device will be used to connect all
computers on the office’s floor?
Switch
2 Which networking device will be used when the user wants to
communicate with his/her colleague who is working in a same
office/floor?
Switch
3 Which networking device will be used when the user wants to
communicate with his/her colleague who is working in a different city’s
office?
Router
4 In above network, Which device is used to transform from your
computer into analog signals that can transmit over wires?
Modem
5 Suppose if the bank wants communication privacy from hackers/theft
and to hide communication from public network then which protocol
will be used?
Ipsec & VPN & MPLs
Question No. 2
Cloud computing is offered in three different service models which each satisfy a unique set of business
requirements. These three models are known as Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS). You are required to write down the name cloud service model
corresponding to the following examples:
Example Cloud Service Model
Drobox SAAS
Libraries and Programming languages PAAS
Salesforce SAAS
Hosting firewalls IAAS
Storage and deployed applications IAAS

Question No. 3:
IPv4 addresses are 32-bit numbers that are typically displayed in dotted decimal notation. A 32- bit address contains two primary parts: the network prefix and the host number. All hosts within a single
network share the same network address. Ipv4 addresses are classified in 5 classes. You are required to write
down the classes of the following IP addresses. IP Address Class
128.1.01 B
192.168.1.1 C
1.0.0.1 A
224.0.0.0 D
Best of Luck!

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