MIS 589 Networking Concepts and Applications Complete Course
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Week 1
Introduction and the Application Layer – Discussion
Technology and Evolution (Graded)
As you will discover this week through your studies, communications have gone through some major changes throughout history. Explain how information systems from the 1980s differ from information systems today. What networking and communications changes were introduced in the past decade (2000s), and what were their implications?
Introduction and the Application Layer – Discussion
The Application Layer (Graded)
The textbook and lecture explain that there are four fundamental application architectures in use today: host-based architectures, client-based architectures, client-server architectures, and peer-to-peer architectures. Do some research in the DeVry Virtual Library (Under Course Home in the Student Resources section). Based on your research,
Week 1 Assignments:
Week 1 Chapter 2 Mini Case
Week 1 Individual Assignment; Chapter 1 Questions
Additional Study Material (Source 2)
Week 1 Quiz (Multiple Choice)
1. (TCO A) This layer is responsible for translating electrical pulses into data.
2. (TCO A) A(n) _____ is a set of rules that determine what a layer would do and provides a clearly defined set of messages that software at the layer needs to understand.
3. (TCO A) Cables and wireless transmissions are also known as ____.
4. (TCO A) Today we have access to the broadband Internet access from home appliances, televisions, mobile phones, MP3 players, cars, computers, phones and many other devices. This is an example of the coming existence of _____.
5. (TCO A) Which standards body is responsible for the development of local area network (LAN) standards?
6. (TCO B) You have five physical computers in available to you. Your organization has started a project that requires 10 different servers to meet all requirements. You have no additional funding to purchase new servers. Using ____ technology is the best option you have.
7. (TCO B) The company vice president has just received an email from an associate with claims that 50,000 dollars needs to be wired to a location in Eastern Europe. You want to confirm that this email is indeed from the associate by identifying the message ID and From address. What portion of the SMTP packet would you examine?
8. (TCO B) There are required and optional parts of an HTTP response. They are:
9. (TCO B) The Cisco Telepresense system has grown in use over the past years and is a type of ____.
10. (TCO B) Which application architecture is known for having the lowest cost of infrastructure?
Week 2
Physical Layer and LANs – Discussion LAN Topology (Graded)
In order to understand a LAN you need to understand all the parts involved in constructing one. Discuss each of the components of a LAN as described in the textbook and in your research. What are the current standards for each of these components? What improvements are on the horizon? What role does ethernet play in today’s LANs.
Physical Layer and LANs Discussion Communication Media
Networks today will not operate without reliable media. What are some popular media types used in organizations today? How might factors such as transmission distance, cost, and organization type impact your choice of media?
Week 2 Assignments:
Week 2 Individual Assignment; Chapter 3 Questions
Week 2 YouDecide; The Charter School LAN Upgrade Proposal
Additional Study Material (Source 2)
Week 2 Quiz Set 1 and 2 (Multiple Choice)
1. (TCO B) A(n) _____circuit is another name for a multipoint configuration.
2. (TCO B) The technology director has decided that a host based application architecture based on mainframes is best for the payroll application. As the network engineer you need to decide which type of transmission is best and want to keep things as simple as possible. Select the transmission type that is ideally suited for this situation.
3. (TCO B) The Chief Information Officer has put you in charge of building the network. The CIO has informed you that cost are a factor in building the network. Security is not a concern and the CIO would like moderate speed. What type of media would you consider to build this network using to meet the CIO’s needs?
4. (TCO B) Which is true regarding parallel transmission mode?
5. (TCO B) With respect to converting digital data into analog signals, AM stands for:
6. (TCO C) A member of upper management has just informed you that an office space needs to accommodate seven new networked computers. In this office space you have one network cable that runs back to the main network distribution point. You want to get the seven new computers running as soon as possible. What is the fasted method of getting them connected to the network?
7. (TCO C) The storage capacity of your servers is quickly being exhausted. Organizational leadership has given you as much funding as you need to establish a long term solution to this problem. Which is the best option below to address this storage space problem from a long term perspective?
8. (TCO C) Why do Switched Ethernet networks improve network performance?
9. (TCO C) Which is true about a network hub?
10. (TCO C) Which technology do most organizations today employ?
11. (TCO B) A(n) ______ circuit is another name for a multipoint configuration. (Points : 4)
12. (TCO B) The type of media usually installed on homes and businesses by the telephone company is called _____. (Points : 4)
13. (TCO B) The Chief Information Officer has put you in charge of building the network. The CIO has informed you that cost are a factor in building the network. Security is not a concern and the CIO would like moderate speed. What type of media would you consider to build this network using to meet the CIO’s needs? (Points : 4)
14. (TCO B) Which is true regarding parallel transmission mode? (Points : 4)
15. (TCO B) With respect to converting digital data into analog signals, AM stands for: (Points : 4)
Week 3
The Data Link LayerMedia Access Control (Graded)
As you may have discovered by reading your textbook, there are two sub-layers that operate at the data link layer. The media access control (MAC) sub-layer controls the hardware, so let’s focus on that aspect. The two approaches to media access control are controlled and contention access. What are some differences in these approaches? When would one access control be a better option than the other?
The Data Link Layer DQ Data Link Layer (Graded)
Network sniffing and analysis has become a critical and necessary element of work for systems administrators, network admin, network engineers, security analysts, and many other niches within the realm of information technology. Wireshark is a free tool that allows you to quickly investigate connectivity and application problems.
Week 3 Assignments:
Week 3 Assignment; TextBook Questions
Week 3 Mini Case; Smith, Smith, Smith, and Smith
Additional Study Reference Papers (Source 2)
Week 3 Quiz (Multiple Choice)
1. (TCO B) Which of the following is true with respect to the data link layer?
2. (TCO B) You are working to resolve a problem with communication to an office in your building. The Sr. Network Engineer asks you to go get a mini-switch or repeater so that the source of the error can be resolved. What was the likely source of this error?
3. (TCO B) This error checking scheme adds 8, 16, 24, or 32 bits to the message.
4. (TCO B) This type of transmission is typically used on a point-to-point full-duplex circuits.
5. (TCO B) Your new position requires that you maintain a Token Ring network that includes several IBM mainframes. What type of access control would this network most likely use?
6. (TCO B) You are working with a co-worker over the phone to connect a router at your location in New York to their network in San Francisco. After hours of troubleshooting the WAN protocol configured on the routers you find that the root of the problem is that he has a Cisco router and you have a Nortel router. Which WAN protocol are you most likely configuring in this scenario?
7. (TCO B) ____ is not a function of a data link protocol.
8. (TCO B) The key to selecting the best access control technique is to _______.
9. (TCO B) In general, controlled approaches:
10. (TCO B) With contention:
Week 4
Network and Transport Layers DQ IPv4 versus IPv6 (Graded)
At the heart of the networking layer is addressing. IP addressing is used to locate computers and other network devices across the Internet. Currently, IPv4 is the dominant network addressing standard used on the Internet and within organizations. The problem is that we have exhausted our public IPv4 addresses. IPv6 was developed in part to address this very issue.Do some research on IPv6 in the DeVry Library and on the Web.
Network and Transport Layers – Discussion
Network and Transport Layer Protocols (Graded)
The Network and Transport layers are where the protocol suites TCP/IP reside. This suite of protocols is critical to the operation of the Internet and organizations as we know them today.Do some research via the DeVry library, the Internet, and your textbook and list and discuss three TCP/IP protocols.What are the primary functions of the Transport and Network layers? What protocols do you use each day?
Week 4 Assignments:
Week 4 Assignment (iLab – Office Network Expansion)
Week 4 Individual Assignment; Chapter 5 Questions
Week 4 Mini Case; Central University
Additional Study Reference Papers (Source 2)
Week 5
Backbone and Wireless Networks – Discussion
Backbone Network Components (Graded)
Your textbook explains that there are two basic components of a backbone network, those components being a cable and hardware device. Business processes and needs ultimately drive the type of cable media and hardware you select. What are these types of cables and hard devices? What are the major functions of each of these devices? What factors might determine how we select which ones are appropriate for our organization?
Backbone and Wireless Networks – Discussion
Wireless Local Area Networks (Graded)
Wireless networks have become a pervasive part of society today. Let’s focus our discussion on Wi-Fi also known as the IEEE 802.11 standards group. The latest member of the 802.11 family is 802.11n. Let’s start our conversation with a discussion on differences between LANs and Wireless LANs.
Week 5 Assignments:
MIS 589 Week 5 Assignment (iLab – LAN Modeling)
MIS 589 Week 5 Excercise; Chapter 8 Exercises 8-3
MIS 589 Week 5 Individual Assignment; Chapter 7 and 8 Questions
MIS 589 Week 5 Individual Assignment; Chapter 8 Exercises 8-3
Additional Study Reference Papers (Source 2)
Week 6
WANs, MANs, and the Internet – Discussion
Internet Architecture (Graded)
The Internet is easily the mostly widely used and accessible network in the world. But how is it constructed? Many say the Internet is simply many separate networks connected together. Read Chapter 10 and look under the hood to see how the Internet is put together. What are some key pieces of the basic architecture of the Internet? What redundancies are built into the Internet, as presented in Chapter 10?
WANs, MANs, and the Internet – Discussion
Comparing WAN Architectures (Graded)
When making the all-important decision of what type of WAN or MAN architecture to use, there are three choices: circuit-switched, VPN, and packet switched architectures. Compare and contrast each architecture. How are they unique? What do they share? What factors drive your decision?
Week 6 Assignments:
MIS 589 Week 6 Chapter 10 (Cathy’s Collectibles)
Week 6 Assignment (iLab – LAN Modeling)
Week 6 Individual Assignment; Chapters 9 and 10 Questions
Additional Study Reference Papers (Source 2)
Week 7
Network Design, Management, and Security – Discussion
The Wild, Wild Web (Graded)
Although we have discussed how the Internet has been an invaluable tool for organizations and people across the world, it has also had adverse impacts on these same groups. From identity theft to denial-of-service attacks, networking technology is being harnessed to harm people and organizations. Do some research and report a recent information security incident.
Week 7: Network Design, Management, and Security – Discussion
Cost Justification (Graded)
Cost-benefit analysis for our network decisions is a critical skill and ability in IS management. What could we do to impress the CFO with our submission? Let’s look at what they believe is important in an article from the source, CFO Magazine’s site. Our ability to sell technology recommendations to management often requires providing cost analysis and perhaps even hard dollar benefits. How the CFO in your organization thinks should be a good indicator of what will fly in terms of getting support from the finance department.
Week 7 Assignments:
Week 7 Chapters 11 and 12 Mini Cases
Additional Study Reference Paper (Source 2)
Week 7 Quiz (Multiple Choice)
1. (TCO E) _____ controls stop a person from acting.
2. (TCO E) A _____ is a situation in which a hacker attempts to disrupt the network by sending messages to the network that prevent normal users’ messages from being processed.
3. (TCO E) Your organization has decided to host a web server that will be accessible by the public. Organizational leadership is concerned about the web server being compromised and thus allowing the remaining network to be compromised. You want to come up with a solution to host the secure the web server internally, but still protect your network. What should you do?
4. (TCO F) The traditional network design approach does not work well for ____ networks.
5. (TCO F) Which of the following would not be a type of circuit that needs to be considered when planning for technology design capacity?
6. (TCO F) Which of the following are not costs that are generally considered during the cost assessment stage of the network design process?
7. (TCO G) ____ refers to keeping track of the operation of network circuits to make sure they are working properly.
8. (TCO G) _____ is a simple method that can help identify computers/devices or communication circuits that have higher-than-average error or usage rates.
9. (TCO G) A _____ is an organizational department that is responsible for monitoring and fixing overall network problems.
10. (TCO G) Service Level Agreements (SLA) are significant for what reason?
MIS 589 Final Exam
MIS 589 Final Exam : Multiple Choice Questions
- Question (TCO A) Organization XYZ has just been granted access to the LAN of the ABC organization to access Web-based applications over the Internet. Organization ABC has established what type of access?
- Question (TCO B) The ________________ is a WAN network that includes hundreds of thousands to millions of machines and users worldwide
- Question (TCO B) Which of the following is considered a component of a network
- Question (TCO C) Which is true about a network hub?
- Question (TCO C) Hubs and switches also act as __________ to help prevent attenuation
- Question (TCO D) A ___________ connect(s) two similar networks having the same network protocol and chooses the best route between two networks when there are multiple paths
- Question (TCO D) In the case of Internet operation, a network access point is ______.
- Question (TCO E) Your organization has been the victim of a recent DoS on one of your public websites. Your CIO wants this problem to have minimal impact on your organization in the future. What is the best technology to deploy to quickly detect and take action on a DoS attack once it starts
- Question (TCO E) Your organization has decided to host a web server that will be accessible by the public. Organizational leadership is concerned about the web server being compromised and thus allowing the remaining network to be compromised. You want to come up with a solution to host and secure the Web server internally but still protect your network. What should you do
- Question (TCO F) The building block design approach is sometimes called ______.
- Question (TCO F) Your company is new and finally has acquired an operating facility. You are in change of designing the network. Organizational leadership has explained to you that they want a network that is simplistic, standardized, and that can be implemented in less than one year. What design option would best suit the needs of the organization
- Question (TCO G) __________ policies attempt to allocate costs associated with a WAN or a mainframe to specific users
MIS 589 Final Exam : Essays Questions
- Question (TCO A) Discuss and describe three trends in communications and networking
- Question (TCO B) Discuss and support your opinions of why combining voice and data is a major organizational challenge. Include your thoughts on its possible impacts on the organization in terms of competitive advantage, internal organization, and so forth
- Question (TCO C) Switched Ethernet networks dominate the landscape of computer networks today. What improvements do Switched Ethernet networks have over its predecessor Shared Ethernet networks? Be specific and answer in details
- Question (TCO C) What are the preferred technologies used in the three technology layers in backbone design? Describe each of the technologies in detail
- Question (TCO D) What are the principal organizations responsible for Internet governance, and what do they do
- Question (TCO E) Viruses and worms are issues that any networking professional must face. Compare and contrast viruses and worms. Be n
- Question (TCO F) What are some major problems that can cause network designs to fail? Provide the problems in detail
- Question (TCO G) The total cost of ownership (TCO) is a measure of how much it costs per year to keep one computer operating. TCO includes the cost of support staff to attach it to the network, install software, administer the network (e.g., create user ids, backup user data), provide training and technical support, and upgrade hardware and software. It also includes the cost of time “wasted” by the user when problems occur or when the user is attempting to learn new software. Discuss in detail at least three approaches that can be used to reduce network costs.
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