ITEC- 626: Information Systems Infrastructure Mid-Term Fall 2016

Dr. Sligh

Test Guidelines:

1. Place your name on EACH page of the test in the space provided.

2. Answer every question in the space provided. If separate sheets are needed, make sure to include your name and clearly identify the problem being solved.

3. Read each question carefully. Ask questions if anything needs to be clarified.

4. Where required please provide references.

5. Upon completion, please turn in the test and any scratch paper that you used.

Suggestion:

Whenever possible, show your work and your thought process. This will make it easier for me to give partial credit.

Question	Possible Points	Your Points
1	20
2	20
3	10
4	10
5	10
6	15
7	15
Total	100

Question 1: (20pt) Computer Basics

Explain/draw the OSI 7-layer Model. Be able to describe and label each which OSI layer.How do I hide an internal Web Server? True or False. When using a non-default port number most browsers are not required to write out the full URL.Which topology is the most fault tolerant?

Mesh

StarBus

Ring

• If I have 6 computers how many connections I need to create a full mesh network? (Hint formula)
• What are the benefits of Star-bus topology?
• What device directs packets based on MAC address?

Question 4(10) TCP/IP

• Port 110 POP is what type of port?

A SSL URL connection starts with what prefix?What port (s) does FTP use?What protocols are used to receive mail?

Question 5 (10) IP

Is NAT needed with IPv6?DHCP is required to receive an IPv6 address automatically? (True/False)What service do tunnel brokers provide?

Question 6 (15PT) Cloud Computing

What are the essential characteristics of cloud computing? Hint describe at least 4

Question 7 (15PT) Big data

What is Big Data analytics?