MIS 535 WEEK 4 Grading Summary
These are the automatically computed results of your exam. Grades for essay questions, and comments from your instructor, are in the "Details" section below. Date Taken: 5/28/2014
Time Spent: 08 min , 23 secs
Points Received: 20 / 20 (100%)
Question Type: # Of Questions: # Correct:
Multiple Choice 20 20
Grade Details - All Questions
Question 1. Question : A device that acts as a connection point between computers and that can filter and forward data to a specified destination is called a
Student Answer: hub.
switch.
router.
NIC.
Instructor Explanation: p. 248
Points Received: 1 of 1
Comments:
Question 2. Question : Which device sends data packets to all connected devices in a network?
Student Answer: Network interface card
Hub
Router
None of the above
Instructor Explanation: p. 248
Points Received: 1 of 1
Comments:
Question 3. Question : The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destination is called
Student Answer: multiplexing.
packet switching.
packet routing.
ATM.
Instructor Explanation: p. 250
Points Received: 1 of 1
Comments:
Question 4. Question : What is the most important communication standard today for linking disparate computers and networks?
Student Answer: Transmission Control Protocol/Internet Protocol (TCP/IP)
International Standards Organization (ISO)
Open Systems Interconnection (OSI)
File Transfer Protocol (FTP)
Instructor Explanation: p. 251
Points Received: 1 of 1
Comments:
Question 5. Question : In TCP/IP, IP is responsible for
Student Answer: disassembling and reassembling packets during transmission.
establishing an Internet connection between two computers.
moving packets over the network.
sequencing the transfer of packets.
Instructor Explanation: p. 251
Points Received: 1 of 1
Comments:
Question 6. Question : On which protocol is the Internet based?
Student Answer: TCP/IP
FTP
Packet switching
Frame relay
Instructor Explanation: p. 251
Points Received: 1 of 1
Comments:
Question 7. Question : All network computers connect to a single hub in a
Student Answer: star network.
bus network.
domain network.
peer-to-peer network.
Instructor Explanation: p. 254
Points Received: 1 of 1
Comments:
Question 8. Question : In a bus network,
Student Answer: signals are broadcast to the next station.
signals are broadcast in both directions to the entire network.
multiple hubs are organized in a hierarchy.
messages pass from computer to computer in a loop.
Instructor Explanation: p. 254
Points Received: 1 of 1
Comments:
Question 9. Question : A network that covers a large geographic area is most commonly referred to as a(n)
Student Answer: local area network .
intranet.
peer-to-peer network.
wide area network.
Instructor Explanation: p. 254
Points Received: 1 of 1
Comments:
Question 10. Question : Which communications medium uses single copper wire surrounded by thick insulation?
Student Answer: Twisted pair cable
A satellite
Optical fiber
Coaxial cable
Instructor Explanation: p. 255
Points Received: 1 of 1
Comments:
Question 11. Question : Which type of signal follows a straight line and does not bend with the curve of the Earth?
Student Answer: Radio
Satellite
Microwave
Fiber optic
Instructor Explanation: p. 256
Points Received: 1 of 1
Comments:
Question 12. Question : Data is sent through the fiber optic cable by a
Student Answer: router.
laser device.
optical device.
multiplexer.
Instructor Explanation: p. 255
Points Received: 1 of 1
Comments:
Question 13. Question : A domain name server
Student Answer: provides interconnectivity on the Internet.
serves a single domain.
converts domain names to IP addresses.
prevents hackers from bringing down the Internet.
Instructor Explanation: p. 255
Points Received: 1 of 1
Comments:
Question 14. Question : Net neutrality means
Student Answer: that everyone pays the same for Internet access.
that everyone has equal access to information on the Internet.
that cable providers can charge different prices based on bandwidth.
that there will be no federal regulation of the Internet.
Instructor Explanation: p. 262
Points Received: 1 of 1
Comments:
Question 15. Question : Which technology uses the Internet Protocol to deliver voice information in digital form using packet switching?
Student Answer: TCP/IP
VPN
VoIP
None; voice information is digitally delivered using ATM.
Instructor Explanation: Week 4 Lecture, p. 265
Points Received: 1 of 1
Comments:
Question 16. Question : In the cloud computing model,
Student Answer: servers to support intranet and extranet are virtualized to a cloud.
enterprise networks disappear.
users lose access to certain applications.
corporate resources increase.
Instructor Explanation: Week 4 Lecture
Points Received: 1 of 1
Comments:
Question 17. Question : A cloud computing model
Student Answer: reduces the staff required to operate a typical IT organization.
increases the staff required to operate a typical IT organization.
does not change the staff required to operate a typical IT organization.
moves all IT infrastructure to the cloud.
Instructor Explanation: Week 4 Lecture
Points Received: 1 of 1
Comments:
Question 18. Question : Cost reductions in using cloud based services stem from
Student Answer: reductions in staff.
reductions in energy usage.
reductions in servers.
All of the above
Instructor Explanation: Week 4 Lecture
Points Received: 1 of 1
Comments:
Question 19. Question : In an RFID system, a(n) _____ is electronically programmed with information that can uniquely identify an item, such as an electronic code.
Student Answer: reader
antenna
microchip
tag
Instructor Explanation: p. 279
Points Received: 1 of 1
Comments:
Question 20. Question : The cloud computing model described in the lecture is an example of which cloud computing model?
Student Answer: SaaS (Software as a Service)
Cloud based operating systems
Virtualization of servers
Cloud based applications
Instructor Explanation: Week 4 Lecture
Points Received: 1 of 1
Comments:
USA 
India