Chapter 7, Problem 14MC

Which of the following modifiers prevents an instance variable or method from being accessible outside of the class by name?privateprotectedpublicdefaultWhich response, please?

The Cupid matchmaking Service maintains two files - one for the male clients and another for female clients.  Each file contains a client ID, last name, first name, and address.  Each file is in client ID order.  Use the provided pseudocode to write a C++ application that merges the two files into one file containing a list of all clients, maintaining ID member order. // Pseudocode Project8// Start// Declarations// InputFile inFile1;// InputFile inFile2;// OutputFile outFile1;// num mClientNumber, fClientNumber// string mClientName, fClientName// bool atLeastOneFileNotAtEnd = true// bool inFile1Written = false// bool inFile2Written = false// output "File merge processing starting"// open inFile1 "MaleClients.rtf"// open inFile2 "FemaleClients.rtf"// open outFile1 "MergedClients.rtf"// read mClientNumber and mClientName from inFile1// read fClientNumber and fClientName from inFile2// while ( atLeastOneFileNotAtEnd == true )// if (inFile1 is EOF)// if (inFile2Written == false)// output…

Which of the following statements is true? (Choose all that apply.)a. If /etc/at.allow exists, only users listed in it can use the at command.b. If /etc/cron.allow exists, only users listed in it can use the cron command.c. If /etc/cron.deny exists and /etc/cron.allow does not exist, any user not listed in/etc/cron.deny can use the cron command.d. If /etc/cron.allow and /etc/cron.deny exist, only users listed in the former can use thecron command, and any users listed in the latter are denied access to the croncommand.e. If a user is listed in both /etc/cron.allow and /etc/cron.deny, then /etc/cron.denytakes precedence and the user cannot access the crontab command.