Using a telecommunications provider affects in-house networks. To prepare for changes resulting from enhanced external network services, management should
Answer(s): A
To prepare the company for changes resulting from the enhanced external network services, management should take appropriate action. A number of bottlenecks may limit the benefits that can be derived from the external network. For example, conversion from analog to digital technology is necessary to achieve rapid improvements in bandwidth and speed and to improve access to telecommunications services. Furthermore, applications, systems software, and communications protocols must be able to process information in a format and in a manner acceptable to end users. Communications security also has heightened importance as greater amounts of data are transmitted from remote sites.
Which of the following represents the greatest exposure to the integrity of electronic funds transfer data transmitted from a remote terminal?
Answer(s): D
Leased telephone circuits represent a direct exposure to the risk of breached data integrity.They use public lines that c. an be easily identified and tapped.
Which of the following is false with respect to client-server networks?
A client-server network can cope with thousands of clients at a time. They can access the server over the Internet from any where at any time with no time-related charges.
Which of the following networks provides the least secure means of data transmission?
Answer(s): B
Public-switched networks are wide area networks that use public telephone lire.>s This arrangement may be the most economical, but data transmission may be of lower quality, no connection may be available, and security measures may be ineffective.
A local area network LAN) is best described as a(n):
A LAN is a local distributed computer system, often housed within a single building. Computers, communication devices, and other equipment are linked by dedicated channels. Special software facilitates efficient data communication among the hardware devices.
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