MIS 111 Final Exam Study Questions with Correct

MIS 111 Final Exam Study Questions with Correct Answers 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
• All packets from a sender follow the same path through the network to the receiver
• All packets always follow the shortest path (fewest hops) through the network
• All packets from a sender always arrive at the receiver in same order they were sent
• The path packets follow in the network can never be changed if a data link fails - Correct Answer a.

Packets can be lost or become corrupted between the sender and receiver What common function do "HTTP", "TCP" and "IP" share?

• They all define internet-based protocols
• They all are website domains
• They all are data encryption methods
• They are abbreviations for physical media
• They are common computer viruses - Correct Answer a. They all define internet-based protocols

Signals used to send messages can be _______ or digital.

• analog
• discrete
• rotary
• binary - Correct Answer a. analog

What is NOT an advantage of digital transmission?

• Produces fewer errors
• Permits higher maximum transmission rates
• Harder to encrypt
• Simpler to integrate voice, video, and data - Correct Answer c. Harder to encrypt 1 / 4

What type of guided media uses light for signaling?

• Fiber Optics
• twisted pair
• coaxial cable
• open wire - Correct Answer a. Fiber Optics

What term is used to describe a physical interface between peripheral devices and the computer?

• Port
• Session
• App
• Signal - Correct Answer a. Port

Businesses like to use Virtual Private Networks for every reason except?

• Virtual networks are faster than ordinary internet connections
• They have no control over the path data takes between business sites
• Data from web-browsers may not be encrypted
• Data from applications other than web browsers may not be encrypted e. Virtual networks are

cheaper than leased lines - Correct Answer a. Virtual networks are faster than ordinary internet connections In the URL (Uniform Resource Locator) "http://www.arizona.edu", what does ".edu" define?

• Domain
• Browser
• Protocol
• Resource
• Server - Correct Answer a. Domain 2 / 4

In the URL (Uniform Resource Locator) "http://www.arizona.edu", what does "http://" define?

• Protocol
• Browser
• Domain
• Resource
• Server - Correct Answer a. Protocol

As I move farther away from campus, I notice that my UAWiFi connection gets progressively weaker.What factor will always cause this to occur?

• The signal strength is lost due to attenuation
• The signal blocked by strong encryption
• The signal cannot be received due to interference
• The signal is blocked due to right-of-way restrictions
• The maximum packet hop count is exceeded - Correct Answer a. The signal strength is lost due to

attenuation In general, what you think of as the quality of your network connection speed when you are using your PC, iPad, or Smartphone is most influenced by which of the following?

• Local Tier-3 ISPs
• Backbone Tier-1 ISPs
• Regional Tier-2 ISPs
• Location of the content provider's servers
• Protocols used for Layer-1 transmission - Correct Answer a. Local Tier-3 ISPs

What technology has been used for such diverse applications as healthcare, tracking lost pets, and toll collecting on highways?

• RFID
• SCOR 3 / 4

• MRP-II
• Infrared
• CFAR - Correct Answer a. RFID

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
• 802.11 Wi-Fi
• Bluetooth
• 3G Cellular
• Broadcast Radio - Correct Answer a. Microwave

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
• Attenuation
• Multi-path
• Line-of-sight
• Right-of-way - Correct Answer a. Interference

What short-range wireless technology is commonly to connect smartphones with hands-free headsets for telephone calls and listening to music?

• Bluetooth
• WiMax
• Wavelength
• Spectrum
• Photon - Correct Answer a. Bluetooth
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