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SU 6.2
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Questions in this quiz (35)
1Distributed computing systems provide several advantages over a centralized computer. Which of the following is not an advantage of distributed systems?
- AA. Communications costs are usually lower.
- BB. Alternate processing locations are available in case one site’s computer is not functioning.
- CC. Security measures are easier to provide.
- DD. Investment in hardware is smaller for each site than for a central site.
2Information processing made possible by a network of computers dispersed throughout an organization is called
- AA. Online processing.
- BB. Interactive processing.
- CC. Time sharing.
- DD. Distributed data processing.
3An organization has made available the company newsletter and job openings on the network such that only employees of the organization may view them. The organization is using a(n)
- AA. Intranet.
- BB. Extranet.
- CC. Firewall.
- DD. Client-server architecture.
4Appropriate uses of an organization’s internal communications network, or intranet, include all of the following except
- AA. Making the human resources policy manual available to employees.
- BB. Informing potential investors about company operations and financial results.
- CC. Providing senior management with access to the executive support system.
- DD. Enabling a project team that crosses departments to collaborate.
5Which of the following areas experienced an increase in risk as personal computers replaced mainframe environments?
1. Backup and recovery
2. System incompatibility
3. Copyright violations- AA. 1 only.
- BB. 2 only.
- CC. 2 and 3.
- DD. 1, 2, and 3.
6Which of the following control risks is more likely with personal computers than in a mainframe environment with dedicated terminals?
- AA. Copyright violations due to the use of unauthorized copies of purchased software.
- BB. Applications written by one department that cannot share data with existing organization-wide systems.
- CC. Lack of data availability due to inadequate data retention policies.
- DD. All of the answers are correct.
7A distributed processing environment is most beneficial in which of the following situations?
- AA. Large volumes of data are generated at many locations and fast access is required.
- BB. Large volumes of data are generated centrally and fast access is not required.
- CC. Small volumes of data are generated at many locations, fast access is required, and summaries of the data are needed promptly at a central site.
- DD. Small volumes of data are generated centrally, fast access is required, and summaries are needed monthly at many locations.
8Which of the following statements about desktop computers, servers, and mainframe computers is true?
- AA. Desktop computers usually cost more than servers but less than mainframes.
- BB. Because of the increased use of desktop computers, there will be little need for mainframes in the near future.
- CC. Servers must be programmed directly in machine language while mainframes use higher-level language.
- DD. The cost per transaction to process on each type of computer has decreased in recent years.
9Which of the following is considered to be a server in a local area network (LAN)?
- AA. The cabling that physically interconnects the nodes of the LAN.
- BB. A device that stores program and data files for users of the LAN.
- CC. A device that connects the LAN to other networks.
- DD. A workstation that is dedicated to a single user on the LAN.
10Which of the following is a false statement about servers?
- AA. A file server is a computer in a network that operates as a librarian.
- BB. A server can provide access to databases and applications.
- CC. A server consists of a hardware component only.
- DD. An essential purpose of a server is resource sharing.
11Which of the following statements about the role and nature of servers is true?
- AA. A server is a hardware component only.
- BB. The use of servers makes increasing network capacity more difficult.
- CC. Servers can provide clients access both to database and applications.
- DD. A server is like a mainframe computer but smaller.
12A real estate brokerage firm is moving into a building that is already equipped with extensive telephone wiring. The firm is considering the installation of a digital private branch exchange (PBX) to connect computers and other office devices, such as copying machines, printers, and fax machines. A limitation of using a PBX-based system for this network is that
- AA. The firm would be dependent on others for system maintenance.
- BB. The system cannot easily handle large volumes of data.
- CC. Coaxial cabling would have to be installed throughout the building.
- DD. Relocating devices in the office would be difficult and expensive.
13Large organizations often have their own telecommunications networks for transmitting and receiving voice, data, and images. Very small organizations, however, are unlikely to be able to make the investment required for their own networks and are more likely to use
- AA. Public switched lines
- BB. Fast-packet switches.
- CC. Standard electronic mail systems.
- DD. A WAN.
14A local area network (LAN) is best described as a(n)
- AA. Computer system that connects computers of all sizes, workstations, terminals, and other devices within a limited proximity.
- BB. System to allow computer users to meet and share ideas and information.
- CC. Electronic library containing millions of items of data that can be reviewed, retrieved, and analyzed.
- DD. Method to offer specialized software, hardware, and data-handling techniques that improve effectiveness and reduce costs.
15Using a telecommunications provider affects in-house networks. To prepare for changes resulting from enhanced external network services, management should
- AA. Optimize in-house networks to avoid bottlenecks that would limit the benefits offered by the telecommunications provider.
- BB. Plan for rapid implementation of new capabilities in anticipation of ready acceptance of the new technology.
- CC. Downsize the company’s disaster recovery plan to recognize the increasing role of the telecommunications provider.
- DD. Enhance the in-house network management to minimize dependence on the telecommunications provider for network management.
16Which of the following represents the greatest exposure to the integrity of electronic funds transfer data transmitted from a remote terminal?
- AA. Poor physical access controls over the data center.
- BB. Network viruses.
- CC. Poor system documentation.
- DD. Leased telephone circuits.
17Which of the following networks provides the least secure means of data transmission?
- AA. Value-added.
- BB. Public-switched.
- CC. Local area.
- DD. Private.
18A type of network that is used to support interconnections within a building is known as a
- AA. Local area network.
- BB. Wide area network.
- CC. Metropolitan area network.
- DD. Value-added network.
19An electronic meeting conducted between several parties at remote sites is referred to as
- AA. Teleprocessing.
- BB. Interactive processing.
- CC. Telecommuting.
- DD. Teleconferencing.
20Which of the following statements about voice communications is true?
- AA. Modern voice recognition input devices have large vocabularies and short training periods.
- BB. A voice output device converts speech into digital data.
- CC. Cell phones and PCS services use the same frequency radio waves.
- DD. Pagers can alert users to the receipt of messages but cannot transmit text.
21When two devices in a data communications system are communicating, there must be agreement as to how both data and control information are to be packaged and interpreted. Which of the following terms is commonly used to describe this type of agreement?
- AA. Asynchronous communication.
- BB. Synchronous communication.
- CC. Communication channel.
- DD. Communication protocol.
22Which of the following is false with respect to client-server networks?
- AA. A client-server network divides processing of an application between a client machine on a network and a server.
- BB. In a client-server network, many applications reside on the client computer.
- CC. The server customarily manages peripheral hardware and controls access to shared databases.
- DD. A client-server network can cope with only 12 or fewer clients at a time.
23If a system does not have a mainframe computer or a file server but does processing within a series of personal computers, the network is a(n)
- AA. Offline processing system.
- BB. Expert system.
- CC. Direct access system.
- DD. Peer-to-peer system.
24Response time on a local area network (LAN) was so slow that programmers working on applications kept their code on their own workstations rather than on the server. As a result, daily backups of the server did not contain the current source code. The best approach to detect deteriorating response time is
- AA. Parallel testing.
- BB. Integrated test facility.
- CC. Performance monitoring.
- DD. Program code comparison software.
25A device used to connect dissimilar networks is a
- AA. Gateway.
- BB. Bridge.
- CC. Router.
- DD. Wiring concentrator.
26A control feature designed to negate the use of utility programs to read files that contain all authorized access user codes for the network is
- AA. Internally encrypted passwords.
- BB. A password hierarchy.
- CC. Log-on passwords.
- DD. A peer-to-peer network.
27The network signaling technology that makes the Internet possible is
- AA. Switching.
- BB. Routing.
- CC. Bridging.
- DD. Ethernet.
28The transmission protocol underlying the Internet is known as
- AA. TCP/IP.
- BB. Bluetooth.
- CC. WAN.
- DD. Ethernet.
29Which of the following concepts is not specifically associated with the Internet?
- AA. Bluetooth.
- BB. TCP/IP.
- CC. HTML.
- DD. URL.
30Which of the following statements is true regarding Transmission Control Protocol and Internet Protocol (TCP/IP)?
- AA. Every TCP/IP-supported transmission is an exchange of funds.
- BB. TCP/IP networks are limited to large mainframe computers.
- CC. Every site connected to a TCP/IP network has a unique address.
- DD. The actual physical connections among the various networks are limited to TCP/IP ports.
31Securing client-server systems is a complex task because of all of the following factors except
- AA. The use of relational databases.
- BB. The number of access points.
- CC. Concurrent operation of multiple-user sessions.
- DD. Widespread data access and update capabilities.
32A national retailer required more detailed data to help stock its stores with the right products and to increase its turnover. Such data amounted to several gigabytes per day from each store. A new high-speed company-wide network was needed to transmit and analyze the data. The company wanted the features, functionality, and control of a sophisticated voice and data network without the cost of the components or the staff to maintain it. Which of the following options would be most suitable?
- AA. Private wide-area network.
- BB. Local area network.
- CC. Value-added network.
- DD. Virtual private network.
33Kelly Corporation needs an internal communication network that provides high speed communication among nodes. Which of the following is appropriate for Kelly?
- AA. Wide area network (WAN).
- BB. Local area network (LAN).
- CC. File server.
- DD. Value-added network (VAN).
34Which one of the following network configurations is distinguished by the possibility of spreading the cost of ownership among multiple organizations?
- AA. Value-added network.
- BB. Baseband network.
- CC. Wide area network.
- DD. Local area network.
35The most distinguishing feature of the use of a client-server processing model over an old mainframe configuration is
- AA. Digital processing over analog.
- BB. Less need for data backup.
- CC. Decentralization over centralization.
- DD. Ability to connect remote locations.
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- CIA Part 3 SU 6 Quiz on SU 6.2, created by Sadan Dahal on 09/06/2020.
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- Sadan Dahal
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- English
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