MIS 111 Exam 3
How many websites will there be after our (Eller) website relaunches?
4
In the video about Dr. Chiu's Smarttrek application, which of the following was not an incentive used to encourage driver participation?
Ability to find other people for carpooling
Signals used to send messages can be ___ or digital.
Analog
The Internet of Things can be described as three "any"-type connections. What are these three "any" connections?
Any time, any place, any thing
What issue that would normally be considered an impairment for wireless communication serves as the basis for spatial multiplexing?
Attenuation
Name 3 human factor designs for error prevention
Avoidance, Detection, Mitigation
Users first started bringing their PCs to work to improve their productivity in the 1970s; this is similar to the __________ phenomenon today.
BYOD (bring your own device)
What short-range wireless technology is commonly used to connect smartphones with hands-free headsets for telephone calls and listening to music?
Bluetooth
Which of the following wireless technologies was associated with Harald Blataand II?
Bluetooth
If you're using a normal flatscreen television (1080-) what is the minimum speed you need to consistently stream across services?
C. at least 8Mbps
What is the most critical component of managing website redesign project?
Communication
What affordance issue is the label "PUSH" on a door addressing?
Correct rejection??
Name three kinds of satellite transmission
Geostationary orbit (GEO) (longest distance, Middle Earth Orbit (MEO), GPS, Low Earth Orbit (LEO), irridum satellite telephones
Xerox PARC's Unicomp was a precursor to which of the following topics also discussed in class?
Globalization
Operating unregulated WiFi networks, clickers, Bluetooth headsets, cordless telephones, and microwave ovens using the same 2.4GHz ISM frequency range in close proximity to one another might result in what problem?
Interference
From lowest to highest, what is the correct order of these satellite types with respect to the altitude of their orbit (LEO, MEO, GEO)?
Irridum, GPS, DishTV
___ means that users carry a device with them and can initiate a real-time contact with other systems from wherever they happen to be.
Mobility
Which of the following is the technology that enables most mobile wallet applications?
Near field communication (NFC)
In a packet-switched data communication network, which of the following is true:
Packets can be lost or become corrupted between the sender and receiver
What IOT technology discussed in class could be used to identify shoppers and allow products to "introduce" (recommend) themselves to a shopper?
RFID tags
What type of hack occurs when a web form allows a database command to be entered that results in the database's information being compromised?
SQL injection
In project management, the "Iron Triangle" or "Triple constraint" includes a projects time, resources and what other dimension of the planning process
Scope
What is the name used to describe when a person visits a brick-and-mortar store only to check the physical characteristics of a product but intends to purchase the product online?
Showrooming
Developed by the US Navy, a PERT chart would help a project manager understand what aspect of a project?
The project milestones and the order they are scheduled to be completed
What common function do "HTTP", "TCP" and "IP" share?
They all define internet-based protocols
_____ enables peer-to-peer communication and allows users to transfer content among devices without having to rely on a wireless antenna.
Wi-Fi direct
Wireless transmission transmits using _____ using carriers such as __, ___, or ___
Wireless transmission transmits using unguided media using carriers such as light, electromagnetic, or acoustical signals or waves
how does eller manage their website?
decentralized landscape, communication, training, shared content
weak passwords are a(n)
employee threat
the goal of CAPTCHA is to
ensure you are not a botnet software
Microwaves are ____
focused radio waves; signals travel in a straight line. Data link stations are typically 30+ miles apart, stations must have an unobstructed line-of-sight
What is the correct filename to use for your ABP-3B website?
index.html
Which of the following is generally not commonly used as a biometric identification?
signature
Accessibility is a subset of ___
usability.
Similar to trends in computing hardware, what is the trend for wireless network hardware?
virtualization and merging with the cloud
name four major categories of disability
visual, motor, cognitive, auditory
What is not an advantage of digital transmission?
Harder to encrypt
In the McGinn model of design, the least common category of design elements would be related to what factor in the McGinn model?
Individual
Name two long-range and short-range wireless technologies
Long range: microwaves, satellites, short range: bluetooth, rfid
Customers ___ because of Web 2.0
are more empowered
Channels __, __, __ are non-overlapping
1,6,11
Name the 5 phases of the website redesign process
1. Defining the redesign 2. Site messaging, structure and redesign 3. Production 4. Site workflow, training and testing 5. Site and CMS maintenance
What are eller's 8 priorities for the website redesign process?
1. defined audience 2. content is king 3. shared content 4. timely and easy updates 5. usability on desktop and mobile 6. core system, no stand-alone software 7. consistent design, navigation 8. check d2l
What percentage of users on the main Eller website are mobile users?
43% mobile, 54% desktop, 3% tablet
Which of the following would motivate businesses to create accessible eCommerce websites for their customers?
All of the three reasons shown above-to comply with ADA and Section 508, to capitalize on a larger base of potential customers, the website is likely easier for all users to navigate
___ allows you to access the internet through a coaxial media previously only used for TV connections.
Cable Modem
Which of these is NOT an essential cloud computing characteristic?
Compliance (HIPPA, PCI)
What is the name for the path containing the minimum set of tasks that you must traverse in order to reach completion of your project on time?
Critical path
Three internet highway options
DSL (digital subscriber line, uses phone lines, available speeds vary widely), Cable (faster than DSL, uses coaxial cable, up to 1Gbps), Fiber Optic, typically fastest, tops out at 1Gbps
What category of location-based services would best describe products such as "location-based gaming", "social networking," and "find a friend"?
Entertainment
Besides sensors, radios, and chips, what is the value in the Internet of Things?
Establishment of services on top of connectivity
From a user's perspective, perceived affordances would include actual perceptible design affordances and what other category of perceptual affordances?
False or fake design affordances
What type of guided media uses light for signaling?
Fiber optics
Google's main business reason for installing fiber in select US cities is to _______.
Generate more web traffic, which generates more ad revenue for them
Satellites used for data communication that appear to be stationary from a fixed location on earth are placed in what type of orbit?
Geosynchronous orbit
Differences between UA Guest wifi and UA Wifi
Guest: anyone within range can connect, no encryption, restricts use of some personal email clients, less bandwidth. Wifi: check lecture
Most users of clear salt and pepper shakers would most likely depend on what information level from the McGinn hierarchy?
Human sensory perception
With ____________, the customer manages applications, data, and the operating system while the vendor manages the servers, virtualization, storage, and networking.
IaaS
What term best describes when consumers are able to use their smartphones to obtain information about a company's competitor's product pricing, features, customer reviews and availability while shopping in their company's brink-and mortar store?
Information transparency
Which of the following is false about social computing?
It allows social information to remain anonymous
Satellite telephone services are provided through ____ satellites.
LEO (low earth orbit)
In general, what you think of as the quality of your network connection speed when you are using your PC etc is most influenced by which of the following?
Local Tier-3 ISPs
How a system works from a user's point of view is known as what type of model?
Mental model
What term is used to describe the information collected describing the action (ie location time and place) as opposed to the data itself?
Metadata
An unobstructed, straight line-of-sight path between a transmitter and receiver is required by which of the following high-speed, commercial wireless network technologies?
Microwave
Wireless ___ can roam between cells.
Nodes
What term is used to describe a physical interface between peripheral devices and the computer?
Port
_______ clouds are proprietary data centers that integrate serves, storage, networks, data and applications.
Private
which of the following is a benefit of cloud computing?
Productivity
In the URL http://www.arizona.edu, what does http:// define? What does .edu define?
Protocol, domain
Parking garage passes and access control on employee ID badges are examples of
RFID
What technology has been used for such diverse applications as healthcare, tracking lost pets, and toll collecting on highways?
RFID
Name six goals of HCI design
Safety (of users, of data), utility (services are provided), effectiveness (accomplishing the task), efficiency (how quickly users can work), usability (ease of learning and use), appeal (how well users like the interface)
As I move further away from campus, I notice that my UAWiFi connection gets progressively weaker. What factor will always cause this to occur?
Signal strength has limited power
A feature of an object that limits possible (often incorrect) uses of a device is known as:
a constraint
Physical properties (shape, texture, color, etc) of an object that allow some to use an object correctly without the need for labels or instructions are known as:
affordances
Using excel's data validation rules is an example of what type of error prevention?
avoidance
With respect to maximum operating range, what is the correct order of the following technologies from longest to shortest?
check d2l
the HCI goals of effectiveness, efficiency, and usability
check d2l
youtube.com/watch?v=b1w9_cob_zw xerox park
checke
Which of the following is true about a Hybrid Cloud?
combines private and outsourced resources
A firewall is a ____ control
communication
What is the most critical component of managing website redesign project?
communication??
which of the following security measures would be considered a last line defense for information security
cryptography
3 transmission challenges of using wireless communication
decreasing signal strength, interference from other sources, multi-path propagation
requiring students to use a combination of a numeric passcode and their catcard to enter a locked door on a ua dorm is an example of what approach for security control?
defense in depth
define design model (DM) and mental model (MM)
design model: how the system should work from the designer's POV mental model: how the system should work from the user's POV
explain how powerline extenders and repeaters work
extenders: plug * check d2l
What network security control prevents information from moving between two networks?
firewall
How does the hidden wall safe provide a safe hiding spot?
hidden affordance
which of the following would not be considered a perceived affordance from the perspective of the user?
hidden affordance
Define spatial multiplexing
increases total available bandwidth by limiting cell size thereby allowing frequencies to be reused in non-adjacent areas of a network
In the history of the cell phone video case, how did the use of cellular phones change the way in which calls were made?
instead of calling a place, calls to cellular telephones were associated with a person instead of a place
The EcoReps dashboards installed in residence halls are an example of what layer in the IOT model?
integrated application
The three security challenges of wireless communication are confidentiality, accessibility and __
integrity
Which of the following issues related to wireless communcation would NOT be a problem for an RFID system?
line of sight
which of the following actions would be considered a biometric authentication?
requiring a user to scan their fingerprint
What is an example of something in the integrated application layer of the 4 layer model?
smart transport
sending phishing emails that demand users respond immediately or risk losing access to a critical resource such as email is an example of what?
social engineering
Applications such as "find a friend" (FourSquare), driving directions (Smartrek), roadside assistance (OnStar), and fleet management (UPS and FedEx) are all examples of services that have been enhanced by knowing what?
the location of the requester
In the video case describing the TCP presented by Vint Cref, what common problem did his analogy using the postal service to email a page from a book have with sending TCP packets?
the message might get lost and not delivered
When displaying a webpage, such as http://www.u.arizona.edu/~wilbur, what is the name of the directory the web browser will check in the "wilbur" account for the "index.html" website?
the public_html directory
explain how mesh wifi routers work
three routers in a home connect to form a small "cellular network" and provide better coverage, faster signal
Assume you need to put a sign that says "PUSH" on a door handle to explain the correct way to operate the door. The "PUSH" sign helps a user understand what aspect of usability?
The sign explains a false affordance
Which of the following is NOT a major advantage of wireless devices to users?
They can be used to copy and pass confidential information.
What is considered to be the high-capacity data transmission core of the internet structure?
Tier 1 ISP
Which of these is not enumerated as a motivation to create accessible web content?
To improve the reliability of technical functionality (technology centered motivations)
Which of the information layers in the internet of things model focuses on the communication networks that connect the sensors that actually collect the data?
Transmission layer
What does it mean to use a SaaS product?
Use provider's applications over a network
Businesses like to use Virtual Private Networks for every reason except?
Virtual networks are faster than ordinary internet connections
