Deck 10: System Architecture

Question 1

Security is especially important when data or processing is performed at a centralized facility,rather than at remote locations.

Answer 1

False

Question 2

Compared to mainframe architecture,distributed systems decrease concerns about data security and integrity because fewer individual clients require access to perform processing.

Answer 2

False

Question 3

Even if a user's Internet connection becomes unavailable,the user will still be able to access certain cloud-based services.

Answer 3

False

Question 4

A thin client design locates all or most of the application processing logic at the client.

Question 5

The advantage of the application logic layer is that a three-tier design enhances overall performance by reducing the data server's workload.

Question 6

In a typical client/server system,the server handles the entire user interface,including data entry,data query,and screen presentation logic.

Question 7

As the size of a business changes,it is easier to alter the capability of a large-scale central server than it is to adjust the number of clients and the processing functions they perform.

Question 8

A three-tier design includes a middle layer between the client and server that processes the client requests and translates them into data access commands that can be understood and carried out by the server.

Question 9

A server is a computer that supplies data,processing services,or other support to one or more computers,called clients.

Question 10

A main advantage of ERP is that it describes a specific hardware and software environment,also called a platform,which ensures connectivity and easy integration of future systems,including in-house software and commercial packages.

Question 11

Web 2.0 is a reference to a more technically advanced version of the current web.

Question 12

Client/server architecture does involve performance issues that relate to the separation of server-based data and networked clients that must access the data.

Question 13

In contrast to a centralized system,a client/server design separates applications and data.

Question 14

In a closed design,the remote user's keystrokes are transmitted from his or her terminal to the mainframe,which responds by sending screen output back to the user's screen.

Question 15

Middleware can be seen as representing the slash in the term client/server.

Question 16

The cloud computing concept envisions a cloud of remote computers that provide a total online software and data environment that is hosted by third parties.

Question 17

In a bus network,a single communication path connects the central server,departmental servers,workstations,and peripheral devices.

Question 18

A web-based application encounters all of the connectivity and compatibility problems that typically arise when different hardware environments are involved.

Question 19

A router is a device that connects network segments,determines the most efficient data path,and guides the flow of data.

Question 20

Batch processing means that data is managed in groups or batches.

Question 21

In a hierarchical network,one or more powerful servers control the entire network.

Question 22

_____ is the measure of a system's ability to expand,change,or downsize easily to meet the changing needs of a business enterprise.

A) Transparency
B) Scalability
C) Redundancy
D) Interoperability

Question 23

By the time the final design presentation is delivered,all necessary approvals should have been obtained from prior presentations,and the users and IT department should be onboard.

Question 24

An in-house solution usually requires a greater initial investment but provides more flexibility for a company that must adapt quickly in a dynamic e-commerce environment.

Question 25

A new system might have to interface with one or more _____,which are older systems that use outdated technology.

A) enterprise resource planning (ERP)systems
B) mission-critical systems
C) legacy systems
D) intrusion detection systems

Question 26

A(n)_____ provides access for customers,employees,suppliers,and the public.

A) mainframe architecture
B) corporate portal
C) application server
D) thick client

Question 27

A _____ is an entrance to a multifunction website.

A) semantic web
B) batch link
C) portal
D) protocol

Question 28

Early computer systems were designed to handle data records individually.

Question 29

_____ establishes a company-wide strategy for IT resources and specific standards for data,processing,network,and user interface design.

A) Legacy data modeling
B) Stand-alone computing
C) Enterprise resource planning (ERP)
D) Scalability

Question 30

Many companies are extending internal enterprise resource planning (ERP)systems to their suppliers and customers,using a concept called _____.

A) supply chain management (SCM)
B) stand-alone computing
C) cloud computing
D) behavioral management

Question 31

A device called a proxy server provides Internet connectivity for internal LAN users.

Question 32

_____ translate(s)the logical design of an information system into a physical structure that includes hardware,software,network support,and processing methods.

A) Legacy data
B) Multipath design
C) System architecture
D) System file checkers

Question 33

Some view Web 2.0 as a stepping stone toward the semantic web,called Web 3.0 by some,where the documents shared on the Internet have semantics and not just syntax.

Question 34

In the star network,each node connects to every other node.

Question 35

A main advantage of enterprise resource planning (ERP)is that it describes a _____ that ensures connectivity and easy integration of future systems,including in-house software and commercial packages.

A) data frame
B) platform
C) bandwidth
D) hub

Question 36

Today,few ASPs offer full-scale Internet business services for companies that decide to outsource those functions.

Question 37

Cloud computing requires less bandwidth than traditional client/server networks.

Question 38

An information system includes _____,which are programs that handle the input,manage the processing logic,and provide the required output.

A) applications
B) clients
C) data frames
D) magnetic tapes

Question 39

A _____ follows Internet design protocols and enables a company to integrate new applications into its e-commerce strategy.

A) web-centric architecture
B) thin client
C) data processing center
D) corporate portal

Question 40

System architecture marks the end of the systems design phase of the SDLC.

Question 41

In addition to centralized data processing,the earliest systems performed all data input and output at a central location,often called a _____.

A) web-centric hub
B) thin client
C) data processing center
D) portal

Question 42

When an individual user works in _____,the workstation performs all the functions of a server by storing,accessing,and processing data as well as providing a user interface.

A) safe mode
B) stand-alone mode
C) quirks mode
D) mission-critical mode

Question 43

A(n)_____ is a web-based repository of information that anyone can access,contribute to,or modify.

A) blog
B) iOS
C) wiki
D) portal

Question 44

In a multitier system,special utility software called _____ enables the tiers to communicate and pass data back and forth.

A) shareware
B) middleware
C) groupware
D) malware

Question 45

A _____ design locates all or most of the processing logic on the server.

A) thin client
B) batch client
C) topological client
D) portal client

Question 46

Company-wide systems that connect one or more local area networks (LANs)or wide area networks (WANs)are called _____.

A) legacy systems
B) distributed systems
C) web-centric systems
D) mission-critical systems

Question 47

Many companies had an installed base of data,called _____,which was difficult to access and transport to a client/server environment.

A) legacy data
B) advanced data
C) primary data
D) qualitative data

Question 48

In a client/server architecture,just as processing can be done at various places,data can be stored in more than one location using a _____.

A) distributed data frame
B) distributed supply chain management (DSCM)scheme
C) distributed database management system (DDBMS)
D) distributed data dictionary

Question 49

A system design where the server performs all the processing is described as _____.

A) mainframe architecture
B) dataflow architecture
C) workstation architecture
D) cache architecture

Question 50

The _____ describes how data actually moves from an application on one computer to an application on another networked computer.

A) OSI (Open Systems Interconnection)model
B) five forces model
C) object-oriented database model
D) subscription model

Question 51

_____ is the amount of data that can be transferred in a fixed time period.

A) Resolution
B) Dimensionality
C) Topology
D) Bandwidth

Question 52

In a _____,one or more powerful servers control the network,and departmental servers control lower levels of processing and network devices.

A) hierarchical network
B) star network
C) bus network
D) ring network

Question 53

Cloud computing provides _____,which matches resources to needs at any given time.

A) roaming service
B) scaling on demand
C) a point-of-sale (POS)terminal
D) resource management

Question 54

_____ describes the way the components in a network interact.

A) Interactive topology
B) Physical topology
C) Engagement topology
D) Logical topology

Question 55

Most companies resolved the problems of stand-alone computing by joining clients into a _____ that allows sharing of data and hardware resources.

A) storage area network (SAN)
B) wide area network (WAN)
C) desk area network (DAN)
D) local area network (LAN)

Question 56

When developing e-business systems,an in-house solution usually requires a _____ for a company that must adapt quickly in a dynamic e-commerce environment.

A) smaller initial investment and provides more flexibility
B) smaller initial investment but provides less flexibility
C) greater initial investment but provides more flexibility
D) greater initial investment and provides less flexibility

Question 57

A disadvantage of a bus network is that _____.

A) performance can decline as more users and devices are added
B) devices cannot be attached or detached without disturbing the rest of the network
C) failure in one workstation necessarily affects other workstations on the network
D) data flows in only one direction from one computer to the next

Question 58

The term "_____" generally refers to systems that divide processing between one or more networked clients and a central server.

A) fat client
B) glueware
C) client/server
D) mission-critical

Question 59

The way a network is configured is called the _____.

A) network orientation
B) network baseline
C) network topology
D) network index

Question 60

_____ describes the actual network cabling and connections.

A) Logical topology
B) Bus topology
C) Star topology
D) Physical topology

Question 61

A _____ resembles a group of computers in which data flows in only one direction from one device to the next.

A) hierarchical network
B) star network
C) bus network
D) ring network

Question 62

Define portal and explain how a corporate portal is used.

Question 63

Define scalability and explain its importance.

Question 64

The system design specification is a document that presents the complete design for a new information system,along with _____ for completing the next SDLC phase - systems implementation.

A) access points
B) web-based components
C) detailed costs
D) data frames

Question 65

A _____ is relatively inexpensive to install and is well-suited to workgroups and users who are not anchored to a specific desk or location.

A) local area network (LAN)
B) wireless local area network (WLAN)
C) metropolitan area network (MAN)
D) storage area network (SAN)

Question 66

_____ relies on collective data paths to increase bandwidth and range.

A) Supply chain management (SCM)
B) Microsoft Visio
C) Bluetooth
D) Multiple input/multiple output (MIMO)technology

Question 67

The _____ was formed in 1999 to certify interoperability of wireless network products based on IEEE 802.11 specifications.

A) Wi-Fi Alliance
B) Institute of Electrical and Electronics Engineers (IEEE)
C) World Wide Web Consortium (W3C)
D) Wi-MAX

Question 68

The _____ standard uses multiple input/multiple output (MIMO)technology to boost performance.

A) 802.11a
B) 802.11b
C) 802.11cn
D) 802.11ac

Question 69

Which configuration has a central wireless device that is used to serve all wireless clients?

A) The Basic Service Set (BSS)
B) A point-of-sale (POS)terminal
C) A data frame
D) The OSI (Open Systems Interconnection)model

Question 70

In a typical system design specification,in the _____ section,start-up processing,initial data entry or acquisition,user training requirements,and software test plans are specified.

A) system environment
B) executive summary
C) system components
D) implementation requirements

Question 71

At the center of a star network is the _____,which manages the network and acts as a communications conduit for all network traffic.

A) log
B) scale
C) switch
D) portal

Question 72

A form of wireless transmission called _____ is very popular for short-distance wireless communication that does not require high power.

A) Bluetooth
B) Microsoft Visio
C) multipath design
D) Wi-MAX

Question 73

Discuss cloud computing at length,including its advantages and disadvantages.Be sure to include a definition of all relevant terms in your explanation.

Question 74

In its wireless configuration,the _____ is similar to a hub in the local area network (LAN)star topology,except it provides network services to wireless clients instead of wired clients.

A) Wi-Fi Alliance
B) access point
C) fat client
D) data frame

Question 75

In a typical system design specification,the _____ section describes the constraints,or conditions,affecting a system,including any requirements that involve operations,hardware,systems software,or security.

A) time and cost estimates
B) system environment
C) executive summary
D) implementation requirements

Question 76

The _____ allows the expansion of wireless access over a wide area.

A) Basic Service Set (BSS)topology
B) Extended Service Set (ESS)topology
C) physical topology
D) logical topology

Question 77

List the guidelines for in-house e-commerce site development.

Question 78

Explain why many companies use enterprise resource planning (ERP)software.

Question 79

In a typical system design specification,the _____ section contains the complete design for a new system,including the user interface,outputs,inputs,files,databases,and network specifications.

A) system components
B) system summaries
C) implementation requirements
D) implementation environments

Question 80

Wireless network speed is measured in _____.

A) Bps (bits per second)
B) Kbps (kilobytes per second)
C) Gbps (gigabits per second)
D) Tbps (terabytes per second)