Deck 10: System Architecture

Question 1

In a multi-tier system, special utility software called ____ enables the tiers to communicate and pass data back and forth.

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

Answer 1

B

Question 2

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

A)mainframe architecture
B)thin architecture
C)workstation architecture
D)thick architecture

Answer 2

A

Question 3

During business hours, a salesperson can enter a sale on a ____ terminal, which is part of an information system that handles daily sales transactions and maintains an up-to-date inventory file.

A)POS
B)batch
C)topological
D)portal

Answer 3

A

Question 4

A corporate ____ can provide access for customers, employees, suppliers, and the public.

A)portal
B)router
C)gateway
D)hub

Question 5

Which of the following is not an advantage of batch methods?

A)Tasks can be planned and run on a predetermined schedule, without user involvement.
B)Users can interact directly with the information system.
C)Batch programs that require major network resources can run at time when costs will be lowest.
D)A batch method runs in a relatively controlled environment.

Question 6

A ____ is an entrance to a multifunction Web site.

A)DDBMS
B)batch link
C)portal
D)topology

Question 7

____ 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 8

Which of the following is not one of the main functions that every business information system must carry out?

A)Managing applications that perform the processing logic
B)Handling data storage and access
C)Providing an interface that allows users to interact with the system
D)Using a mainframe to deliver a multiuser environment

Question 9

In a(n) ____ design, the remote user's keystrokes are transmitted to the mainframe, which responds by sending screen output back to the user's screen.

A)closed
B)distributed
C)open
D)centralized

Question 10

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

A)OSI
B)PSI
C)RSI
D)TSI

Question 11

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 12

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(n) ____.

A)SQL
B)RDBMS
C)DDBMS
D)ECS

Question 13

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 14

The way a network is configured is called the network ____.

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

Question 15

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

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

Question 16

____ topology describes the way the components in a network interact.

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

Question 17

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 18

A ____ client locates all or most of the processing logic on the server.

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

Question 19

____ topology describes the actual network cabling and connections.

A)Logical
B)Linkage
C)Hub
D)Physical

Question 20

Cloud computing provides ____ on demand, which matches resources to needs at any given time.

A)bandwidth
B)scaling
C)topology
D)resource management

Question 21

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

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

Question 22

In the ____ section in a typical system design specification, startup 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 23

At the center of the network shown in the accompanying figure 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 24

The ____ standard uses MIMO technology to boost performance.

A)802.11a
B)802.11b
C)802.11c
D)802.11n

Question 25

The speed for wireless network standards is measured in ____.

A)Bps
B)Xbps
C)Gbps
D)Tbps

Question 26

Several ____ of the 802.11 standard were intended to improve bandwidth, range, and security.

A)amendments
B)options
C)LANs
D)designs

Question 27

In the ____ configuration, a central wireless device is used to serve all wireless clients.

A)BSS
B)ESS
C)ISS
D)DSS

Question 28

A ____, such as that illustrated in the accompanying figure, has a central networking device that manages the network.

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

Question 29

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

A)System Components
B)Executive Summary
C)Implementation Requirements
D)Time and Cost Estimates

Question 30

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

A)staffing
B)scheduling
C)detailed costs
D)all of the above

Question 31

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

A)Bluetooth
B)USB
C)RFID
D)Mbps

Question 32

The ____ standard is widely adopted and works with the 802.11b standard.

A)802.11a
B)802.11g
C)802.11n
D)802.11ac

Question 33

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

A)BSS
B)ESS
C)ISS
D)DSS

Question 34

The ____ section in a typical system design specification 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)System Components

Question 35

____ technology relies on multiple data paths, also called multipath design, to increase bandwidth and range.

A)BSS
B)ESS
C)ISS
D)MIMO

Question 36

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 37

In its wireless configuration, the ____ point is similar to a hub in the LAN star topology, except it provides network services to wireless clients instead of wired clients.

A)linkage
B)access
C)network
D)hub

Question 38

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

A)LAN
B)WLAN
C)MLAN
D)XLAN

Question 39

A ____ resembles a circle 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 40

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

A)Wi-Fi Alliance
B)NSF
C)W3C
D)Wireless Network

Question 41

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 42

A high-capacity transaction processing system, such as an order entry system, requires less network, processing, and data storage resources than a monthly billing system that handles data in batches.

Question 43

A typical system design specification typically includes a ____ section.

A)Management Summary
B)Time and Cost Estimates
C)System Components
D)System Environment

Question 44

In online processing systems, data is collected and processed in groups. _________________________

Question 45

The ____ standard makes use of multi-user MIMO.

A)802.11g
B)802.11ac
C)802.11ad
D)802.11b

Question 46

ERP (enterprise resource planning) defines a general architecture, omitting standards for data, processing, network, and user interface design.

Question 47

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

Question 48

Implementation of early client/server systems was expensive because clients needed more powerful hardware and software to handle shared processing tasks.

Question 49

A fat client design is ____ to develop than a thin client design, because the architecture resembles traditional file-server designs where all processing is performed at the client.

A)more expensive
B)more complex
C)simpler
D)less expensive

Question 50

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 51

The middle layer provides the business logic required by the client-server system. _________________________

Question 52

A client is a computer that supplies data, processing services, or other support to one or more computers. _________________________

Question 53

Examples of WiMAX devices include wireless keyboards, mice, printers, cell phone headsets, and digital cameras, among others. _________________________

Question 54

A fat client, also called a thick client, design locates all or most of the processing logic at the server. _________________________

Question 55

Today, client/server architecture is the dominant form of systems design, using Internet protocols and network models.

Question 56

The disadvantage of an application logic layer is that a three-tier design reduces overall performance by increasing the data server's workload.

Question 57

Using a DDBMS (distributed database management system) offers as an advantage that ____.

A)the system is scalable, so new data sites can be added without reworking the system design
B)data stored closer to users can reduce network traffic
C)with data stored in various locations, the system is less likely to experience a catastrophic failure
D)the architecture of the system is simple and easy to manage

Question 58

In a client/server design, the data file is transferred from the server to the client - only the request and the result are not transmitted across the network.

Question 59

Online processing systems have this characteristic: ____.

A)users interact directly with the information system
B)the system requires significantly fewer network resources than batch systems
C)users can access data randomly
D)the system processes transactions completely when and where they occur

Question 60

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

Question 61

Many companies are extending ERP systems to suppliers and customers in a process called ____________________, in which a customer order can cause a production planning system to schedule a work order, which in turn triggers a call for certain parts from suppliers.

Question 62

A specific physical topology can support at most one logical topology.

Question 63

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

Question 64

At the end of the systems design phase, the first presentation given by the systems analyst is to department managers and users from departments affected by the system and, because of its audience, the presentation is technically oriented.

Question 65

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

Question 66

In a typical client/server system, the client stores the data and provides data access and database management functions.

Question 67

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

Question 68

One disadvantage of a hierarchical network is that if a business adds additional processing levels, the network becomes more complex and expensive to operate and maintain.

Question 69

Any network topology can connect to a larger, dissimilar network, such as the Internet; this connection is called a router.

Question 70

Although the cloud requires no updates or maintenance, it does introduce significant compatibility issues.

Question 71

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

Question 72

A(n) ____________________ architecture follows Internet design protocols and enables a company to integrate new applications into its e-commerce strategy.

Question 73

An ASP provides applications, or access to applications, by charging a usage or subscription fee.

Question 74

Securing approvals from users throughout the design phase ensures that a systems analyst does not have the major task of obtaining approvals at the end, keeps users involved with the system's development, and gives feedback about whether or not the analyst is on target.

Question 75

Many companies engage in a process called ____________________, the objective of which is to establish a company-wide strategy for using IT resources.

Question 76

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

Question 77

Visio is an example of a tool that can help users represent the physical structure and network components.

Question 78

____________________ translates the logical design of an information system into a physical structure that includes hardware, software, network support, and processing methods.

Question 79

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

Question 80

A user's computer does not perform processing or computing tasks with cloud computing - the cloud does.