MIS 4477 Exam 2 Notes - Fall 2017 (updated 2017-10-25 @ Noon)

MIS 4477 Network and Security Infrastructure
JAKE MESSINGER (jake@uh.edu)

Exam 2 Notes Fall 2017

Last Update: 10/25/2017 @ 11:00 am

LAYOUT:

30 Multiple choice questions, 2.5 points each

1 Multi-part essay question, 25 points
Questions are pulled from a pool and in random question and answer order; therefore, no 2 tests are the same.

Testing Method - Online Via Blackboard and password
Test Date/Available: 10/27/2017 from 9 AM to 10/29/2017 11:59 PM
Time: 3 hours from the time you begin, single submission
Content Covered: Notes since last test and Fitzgerald Chapters 6-9

RULES:

This is an online test. YOU, the student, should be taking the test. Nobody else is allowed to help you take this test.
You cannot ask any questions of a live person regarding test content before, during or after the test.
You may NOT print, copy or save any part of this test other than submitting it for grading. Blackboard has mechanisms that can track this while you are taking the test.
You may not share any answers to any questions with any other students in the class, even if they have told you they have already taken the test.
You are allowed to use your notes, books, power point presentations, the Internet or any other static information. Again, you cannot ask for help from any other humans.
If it is determined that any of these rules are broken, you may be dropped from the class, receive a failing grade for the class and you may also be subject to academic dishonesty policies at the University.

GRADING:

The test will be initially electronically graded after you press the submit button. This is a raw score and may not be your final test grade.
If you feel that there are 2 possible answers, choose the best one, but then email me your concern and reasoning behind your answer. Occasionally there are 1 or 2 questions are dropped from a test if they are determined to be not legitimate or appropriate after the fact. If I determine there are 2 correct answers for a question, or if the question is improperly structured, I will remove it from the test and nobody will receive credit for it. SO, for example, if there were 30 questions, and 1 was determined to be invalid, your score would be the number of correct answers out of 29.
Your test grade will either be available immediately after you take the test, OR, if there is an essay or upload component, the grade will be available 72 hours online after you submit the test.

AFTERMATH:

We will discuss the test at the following class meeting, YOU SHOULD ATTEND. This is your chance to dispute any questions and humble me in front of the rest of the class.
If you missed the test, you may make it up ONLY with a valid medical excuse OR if I have given you permission prior to the test day.
If you perform poorly on the test (i.e. lower than 50%), do not stress too much. There will be optional assignments given out to help bring your grade up.

TEST CONTENT:
Questions will come from the book, the Power Point Presentations, as well as the notes on each chapter and any links I e-Mailed you. Pay attention to the QUESTIONS in the backs of each chapter. The questions are all answerd online under each chapter called "Outline and Notes (pdf)." There will be no SPECIFIC questions from any of the case studies. It may be beneficial for you to search for some of the items on the Internet on sites such google.com and various Wiki's.

I will ask questions about Netmasks and the essay questions have you calculating subnet masks and ranges. Review this link and do the sample yourself: http://profjake.com/UH/MIS4477/SubnetMaskCalculationTutorial.html

To study for the multiple choice section, I recommend you copy each of these datapoints into a new document, search the book, the notes and/or Google the answers to the following datapoints, and add the answer you found underneath each datapoint. Then print out that document and/or have it handy when you start taking the test.

The following datapoints pertain to 1 or more questions from the test bank. Your test will only have a random subset of the test bank questions but you should be familiar with every datapoint below:

Chapter 6 - Network Design

Know the difference between a traditional design approach and the Building Block Network Design approach and why the Building Block approach is better.
What are the steps in the Building Block approach and what is done in each step?
What is the goal of the needs analysis?
What are the key deliverables for the needs assessment stage for the logical network design?
What is involved in the technology design and what are the deliverables? How does it differ from the logical design?
Define Circuit Loading, Capacity Planning and Peak versus nominal network traffic.
What is the difference between static and dynamic network modeling tools? What is modeling versus simulation? (check Google for better description)
What is the turnpike effect? What causes it? How to mitigate it?
What costs are considered during cost assessment?
Define RFP and its role in Cost Assessment.
What is the difference in scope between LAN, Backbone, WAN, Enterprise Network.

Chapter 7 - Wired and Wireless Local Area Networks (several datapoints were covered in previous chapters)

What is the difference between a dedicated server and a peer to peer server, and what are some examples of dedicated servers?
What are the basic LAN components?
Know the differences and potential speed ratings and distances of different physical media, i.e. Cat5, Cat6, Cat6A, UTP, STP, Fiber, Coax (there are tables in the book and on the Internet)
Why did twisted pair wiring get so popular for LANs even though the early LANs used Coaxial Cabling?
What are the properties of fiber optic cabling and what are the logical advantages AND disadvantages of it.
What media is most commonly used on LANS, Backbone Networks, WANs
What is the difference in function and complexity (i.e what level do they operate at) between a hub, a switch, a router, a firewall and a gateway?
What is a Network Profile? a User Profile?
What is a Domain. How is it related to a Subnet? How does a subnet differ from a LAN?
What is DNS? What is a TLD? Who controls DNS?
What is DHCP? What network data is typically learned via DHCP?
Why is Ethernet the dominant Datalink Protocol and who developed it?
Is Ethernet logically star or bus topology? Are most Ethernet networks laid out in Star or Bus?
Why is Media Access control needed only on LAN segments and not most WAN's?
Know what the different Data Link protocols commonly used in Ethernet: Example: 10BaseT, 100BaseT, 1000BaseT
What is a VLAN? How is it different from a LAN? What network layers can you create a Vlan in?
What are some of things to look at on a server when determining bottlenecks? i.e. traffic, lan hardware, media, server processor and ram, application design.
What is NAT? What is a Firewall? What is an external versus internal network? Which is "red" and which is "green"? (use Google for these).
What can you do on a LAN to increase throughput to/from a server?
What can you do to reduce Network Demand on a server?
What does WLAN mean? What are the advantages and disadvantages to WLANs over LANs?
What are the different WLAN protocols? Which is the most common currently?
What are the 2 common radio frequency ranges used for WLANs? Why is one better than another?
What is the difference in WLAN modes between the following http://en.wikipedia.org/wiki/Wireless_LAN: Ad-Hoc, Infrastructure.
What is the difference between a wireless access point, a repeater, a wireless client bridge? In what cases would you use one?
What is a WDS? What is the advantage of using WDS over traditional WLAN APs?
What are the common ways to perform wireless security on a WLAN device, i.e. difference between WPA, EAP and MAC address filtering?

Chapter 8 - Backbone Networks

What is a BN and how does it differ from a LAN or WAN?
Know the difference in scope between the access layer, distribution layer and core layer. http://what-when-how.com/data-communications-and-networking/backbone-network-architectures-data-communications-and-networking-part-1/

What is subnetting and why is it important for BN's?
What is the difference between a routed and a switched backbone?
What is the difference between a layer 2 and a layer 3 switch?
What is an MDF?
How do VLANs inter-relate with Backbone Networks? What is the main disadvantage to VLAN's over BN's?
What is a server rack/cabinet? What is a "U"? What is a patch panel? What is a patch cable? How do all these things relate?
What is QoS? Why is it important on a LAN and/or BN?

Chapter 9 - Wide Area Networks

Define "Common Carrier"
What is DSL, aDSL, SDS? What is a DSLam?
Describe in WAN topology a Star, Ring, partial mesh and full mesh design and the pro's and con's to each one and why you would choose one over the other? What kinds of companies would prefer a MESH over a Star? Which is cheapest? Most expensive? WHich is most suceptable to problems if the central site goes down? ..if a single WAN circuit is disrupted?
What is Point of Presence?
Who typically owns the physical topology of a WAN?
What are the different T Carrier services offered in the USA and Europe (Euro E1's not described in book, Google it)? On what physical medium is it typically carried?
What is OC service? What physical medium is it carried on? What is its SLOWEST speed and how does that relate to T1?
What is dedicated verses shared circuits? Why would a company use one over the other?
What is the major difference between ATM and Ethernet protocols on a WAN? Why are businesses switching to Ethernet over WAN?
What is a VPN? What is a tunnel? What are the advantages and disadvantages?
What is Intranet versus Extranet?
What is dynamic routing versus static routing? Which is faster? Which is more flexible and less suceptable to WAN disruptions?
What are some things to consider when selecting WAN services?

ESSAY/Fill in the Blank COMPONENT:

You will be asked to segment a network block of IPv4 addresses into smaller parts based on department/group needs. You will need to calculate the network number, range (starting and ending address), broadcast address and netmask Read the notes and the sample exercise I sent out and be sure you know how to figure out netmasks in both tradtional 255 and in CIDR slash notation. Also note that I will ask extended questions about the addresses, which are primarily just simple math calcuations.

Follow this tutorial: SubnetMaskCalculationTutorial.html
Complete the exercise., We will have gone over this in class before the test. It is DUE on or before the test day. You can scan and email it with aps like CamScanner or various other aps or desktop scanner programs such as Paperport: SUBNET_MASK_Exercise.pdf

End of Exam 2 Notes