Deck 4: Network Management and Mobility

Question 1

All are factors contributing to mobility except:

A)more robust mobile OSs and applications.
B)vendor competition.
C)multitasking mobile devices.
D)overall increased speed of business.

Answer 1

B

Question 2

What is significant about 4G networks is that they do not have a __________,which both 2G and 3G networks do have.

A)packet-switched IP system
B)circuit-switched subsystem
C)WiMAX standard
D)GSM-based LTE subsystem

Answer 2

B

Question 3

4G networks are __________.

A)owned by Sprint
B)based on satellite transmission
C)hybrid analog networks
D)purely digital networks

Answer 3

D

Question 4

__________ was created by the U.S.Department of Defense to ensure data integrity and maintain communications in the event of catastrophic war.

A)Bandwidth
B)Protocol
C)TCP/IP
D)Broadband

Question 5

Networks transmit __________,which carry voice or data between a sender and a receiver.

A)nodes
B)routers
C)signals
D)switches

Question 6

__________ are built by attaching a wireless access point (WAP)to the edge of the wired network.

A)WLANs
B)WiMAX
C)Wi-Fi hot spots
D)Base stations

Question 7

A __________ is a set of rules that govern how devices on a network exchange information and function in order to "talk to each other."

A)bandwidth
B)protocol
C)TCP/IP
D)broadband

Question 8

All of the following describe WiMAX except:

A)an 802.16-based broadband wireless metropolitan area network (MAN)access standard.
B)can deliver voice and data services without the expense of cable.
C)has shorter distance limitations than DSL and cable.
D)does not require a clear line of sight to function.

Question 9

Connectivity and mobility are __________ issues.

A)4G
B)network
C)Wi-Fi
D)social media

Question 10

Plain old telephone service (POTS)and most wired telephone calls are transmitted,at least in part,over a __________.

A)dedicated circuit that is only used for that call
B)dedicated circuit that is shared by many calls
C)packet circuit that is only used for that call
D)packet circuit that is shared by many calls

Question 11

__________ is the throughput capacity of a network,which is a measure of the speed at which data is transmitted.

A)Bandwidth
B)Protocol
C)TCP/IP
D)Broadband

Question 12

What are the basic functions or needs supported by business networks?

A)competitive advantage,decision support,and communication
B)analog and digital
C)mobility,collaboration,relationships,search
D)circuit and packet switching

Question 13

__________ is a general term that means fast transmission speed.

A)Bandwidth
B)Protocol
C)TCP/IP
D)Broadband

Question 14

When evaluating mobile network solutions,the factors to consider include all of the following except:

A)easy to deploy,manage and use.
B)always makes the best connection possible.
C)works separately from other systems.
D)enables secure and reliable communications.

Question 15

When you send a file or e-mail message over a network,it is broken into smaller blocks called __________ that follow different paths from the source to the destination.

A)circuits
B)nodes
C)packets
D)switches

Question 16

__________ is a technology that allows computers to share a network or internet connection wirelessly without the need to connect to a commercial network.

A)RFID
B)LTE
C)WiMAX
D)Wi-Fi

Question 17

Which is not one of the general types of mobile networks?

A)Bluetooth
B)wide area networks (WANs)
C)WiMAX
D)local area networks (LANs)

Question 18

4G technologies represent the latest stage in the evolution of __________ technologies.

A)computer hardware
B)software
C)satellite
D)wireless data

Question 19

Why did the New Mexico Department of Transportation start offering passengers free public 4G WiMAX Internet to make public transportation more attractive to commuters?

A)To assist with New Mexico's goal to become a high-tech state.
B)To improve traffic congestion conditions.
C)To reduce pollution and smog conditions along the main traffic corridor in the state.
D)To reduce the population's dependence on gasoline.

Question 20

High performance __________ provide fantastic opportunities for mobility,mobile commerce,collaboration,supply chain management,remote work,and other productivity gains.

A)IP networks
B)Bluetooth devices
C)W-Fi hot spots
D)mobile handsets

Question 21

__________ brings together all messaging media such as e-mail,voice,mobile text,SMS,and fax into a combined communications medium.

A)Unified messaging (UM)
B)TCP/IP
C)IP telephony
D)PBX

Question 22

Virtual private networks (VPN)are private tunnels in the Internet that are created by __________.

A)content indexing
B)usernames and passwords
C)biometrics
D)encryption

Question 23

An enterprise's collaboration capability depends on:

A)proper planning.
B)upgrades.
C)open culture.
D)bandwidth.

Question 24

Multiple networks were needed to transmit documents,voice,and video because:

A)of limited bandwidth.
B)of the lack of interoperability between devices.
C)they used the same transmission protocol.
D)outdated IP networks.

Question 25

Why had various information services-namely documents,voice,and video-functioned independently of each other?

A)They were transmitted using different protocols.
B)For information privacy and security reasons.
C)They were transmitted on circuit-switched networks.
D)To minimize network traffic congestion.

Question 26

The Internet functions as the __________,and the Web (WWW)is __________ that runs on the Internet.

A)transport mechanism;an application
B)information architecture;a browser
C);protocol;a search engine
D)hardware;software

Question 27

__________ transmits voice and data in packets and has become one of the most cost effective ways to communicate.

A)TCP
B)UDP
C)VoIP
D)UM

Question 28

__________ refers to the ability to provide services to and accept services from other systems or devices.

A)Protocol
B)Broadband
C)Interoperability
D)Multimedia

Question 29

The __________ is critical because it provides the infrastructure for collaborative work within the company and with external partners and customers,regardless of their location.

A)network architecture
B)enterprise portal
C)social network
D)wireless access point

Question 30

TCP performs error checking,which can cause packet delivery delays.Because of the error-checking process,TCP is not well-suited for what type of transmissions?

A)digital voice or video
B)data
C)documents
D)e-mail

Question 31

The Internet protocol suite consisting of __________ is the standard used with almost any network service.

A)HTTP
B)WAP
C)HTML
D)TCP/IP

Question 32

In preparation for transmission,data and documents are digitized into __________ based on the Internet Protocol.

A)bytes
B)packets
C)blocks
D)routers

Question 33

Within an enterprise,the capability and willingness to collaborate depends on:

A)a corporate culture that people trust.
B)information and tools.
C)authority to plan and make decisions.
D)all of the above

Question 34

Which of the following is not a characteristic of intranets?

A)Portals (gateways)that provide easy and inexpensive browsing and search capabilities.
B)Company-owned networks that use IP technology to securely share part of a business's information or operations with suppliers,vendors,partners,customers,or other businesses.
C)With screen sharing and other groupware tools,intranets can be used to facilitate collaboration.
D)Companies deliver policies,pay stub information for direct deposits,benefits,training materials,and news to their employers via their intranets.

Question 35

An enterprise's network capability depends on all of the following except:

A)proper planning.
B)upgrades.
C)open culture.
D)bandwidth.

Question 36

_______ is the single most popular network protocol in the world,and provides the architecture that made convergence possible.

A)HTTP
B)IP
C)TCP
D)FTP

Question 37

What was a cause of the U.S.Customs' network crash at Los Angeles Airport (LAX)that stranded passengers for up to 11 hours?

A)A new cutting edge network that had not been tested sufficiently
B)A hacker attack
C)Equipment breakdown and human error
D)Power failure

Question 38

__________ are networks that are capable of transmitting data at very fast rates,but operate in a limited area,such as an office building,campus,or home.

A)MANs
B)Hot spots
C)LANs
D)WANs

Question 39

Which of the following is not a characteristic of wireless device software development?

A)Developing software for wireless devices had been challenging because there was no widely accepted standard for wireless devices.
B)Software applications have to be customized for each type of device with which the application communicates.
C)Different CPUs,operating systems,storage media,and mobile platform environments create time-consuming porting and testing issues.
D)Supporting different displays is simple because of the convergence of applications.

Question 40

__________ is key to success in everything from business partnerships to personal and professional relationships.

A)Access to mobile networks
B)Effective communication
C)Real-time decision making capability
D)The Internet

Question 41

Businesses have learned effective strategies to cope with a world that is far more competitive,dynamic,and connected;to counteract the influence of Web 2.0 technologies;and to maintain traditional business models.

Question 42

Several factors are driving the need for messaging and collaboration.All of the following are driving factors except:

A)people need to work together and share documents.
B)groups make most of the routine and easy decisions in organizations.
C)organizational decision making is difficult when team members are geographically spread out and working in different time zones.
D)nearly 87 percent of employees around the world work in remote offices.

Question 43

Transmission of a signal over a series of networks is made possible by switches and routers,which are hardware devices,and nodes on the network.

Question 44

__________ enable(s)anyone to call or share files for free,increases the connections in our lives,and create forces whose impacts are not yet known.

A)VoIP
B)Wikis
C)WiMAX
D)All of the above

Question 45

According to the Cellular Telecommunications Industry Association,__________ is "a way of measuring the quantity of radio frequency energy that is absorbed by the body."

A)RF rate
B)carbon footprint
C)radiation rate
D)specific absorption rate (SAR)

Question 46

The 802.11b standard improves upon other 802.11 Wi-Fi standards by adding multiple-input multiple-output (MIMO)and many other newer features.

Question 47

A centralized organization is more responsive to opportunities and problems than a decentralized organization where senior managers,who are less involved in daily operations than lower-level managers,make decisions.

Question 48

Pressures to deliver secure service to customers and business partners at reduced costs,to be environmentally responsible,and to support the 24/7 data needs of mobile and remote workers have all increased the demands on corporate networks.

Question 49

An enterprise's network capability will be unreliable or deteriorate without proper planning,maintenance,management,upgrades,and bandwidth of the network to insure that it has sufficient capacity and connectivity to link people,locations,and data.

Question 50

TCP/IP was created by the U.S.Department of Defense to ensure and preserve data security and control communications in the event of catastrophic war.

Question 51

Messaging and collaboration tools include older communications media such as e-mail,videoconferencing,fax,and IM-and Web 2.0 media such as blogs,podcasts,RSS,wikis,and VoIP.

Question 52

Apple's first 4G phone,the HTC EVO 4G was released in summer 2010 with speeds 10 times greater than 3G phones.

Question 53

Users can get 4G wireless connectivity through one of two standards: WiMAX or LTE.

Question 54

Wireless networks use packet switching and wireless routers to forward packets from one network to another network.

Question 55

The distinguishing characteristic of packet switching is that once a connection is made between the source and destination,the path of the signal along the nodes is dedicated and exclusive.

Question 56

__________ shows the power of the individual in the connected age-a better research tool than major corporations had in the 1990s.

A)Facebook
B)Google
C)Microsoft
D)eBay

Question 57

IP networks form the backbone of worldwide digital networking and enable the convergence of voice,data,and video.

Question 58

Which of the following is a dysfunction of the group process?

A)Social pressures of conformity can lead to groupthink.
B)A group may produce synergy during problem solving.
C)Group members may have their egos embedded in the decision,and so they may be committed to the solution.
D)Groups are better than individuals at understanding problems.

Question 59

Bandwidth is the throughput capacity,or speed,of a network,which depends on what protocol is used.

Question 60

Network performance is measured by its data transfer capacity.

Question 61

Often overlooked is the fact that the capability and willingness to collaborate depends on a __________ that people trust.

Question 62

Major companies face small but powerful challenges and competitors that are undermining traditional business models.Explain those challenges and competitors.

Question 63

What is significant about 4G networks is that they do not have a __________ subsystem,as do current 2G and 3G networks.

Question 64

Mobile and other devices must be able to communicate with a network and they do so based on __________.

Question 65

__________ are standards or a set of rules that govern how devices on a network communicate and how they need to function in order to "talk to each other."

Question 66

__________ refers to team members yielding to pressures to conform to a certain way of thinking even if they conflict with one's beliefs,or being intolerant of new or differing ideas.

Question 67

__________ refers to the ability to provide services to and accept services from other systems or devices.

Question 68

With __________,voice and data transmissions travel over telephone wires,but the content is sent as data packets.

Question 69

Wireless routers are actually wired routers with __________ built-in that provide both wired and wireless at the same time.

Question 70

__________ is an 802.16-based broadband wireless metropolitan area network access standard that can deliver voice and data services at distances of up to 30 miles,without the expense of cable or the distance limitations of DSL.

Question 71

__________ lose energy as they travel along a network from source to destination,and need to be strengthened with repeaters.