Chapter Questions
Discuss the relationship between the hardware of a personal computer and its ability to support the operation of communications software.
What are the advantages and disadvantages of menu-driven and commanddriven software?
How can a clock display feature serve to control communication costs?
What is the function of a dialing directory in a communications program?
Assume that each time you press a key on your computer's keyboard two characters are displayed when you are using a communications software program. What is the most probable cause of the problem and how would you correct it?
What is the difference between unattended operations and remote control software?
Provide an example of the use of character conversion.
How can a data compression feature reduce the cost of communications?
What is the disadvantage of a stop-and-wait protocol?
What is the function of a break signal with respect to communications?
Under what circumstances would a line-feed control feature in a communications software program be of use?
If the bit composition of a data character is 01011010 and the encryption key for that character is 10100111 , what would be the modulo-2 encrypted data character?
xIf you're using a 9600 bps modem and file transfer produces an average transfer rate of 2000 bps what do you attribute to the poor performance?
How does a communications program obtain information required to display the percentage of a file transfer in real time?
Describe a limitation of HyperTerminal in comparison to the dialing directories of other communications programs.
Describe the connectivity options of $\mathrm{PC} / 3270$.
How can you configure Microsoft's Internet Explorer to go to a predefined URL each time the browser is loaded?
Discuss two control options of Microsoft's Internet Explorer you can use to conserve computer storage.
Name two communications methods supported by Microsoft's Internet Explorer.
Describe what changes you should make to the configuration of a browser when your organization installs a firewall with proxy services.