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Iterative Concurrent Servers - Quiz

Server processes and iterative/concurrent servers
Each question is worth one point. Select the best answer or answers for each question.

1. What are the two modes of operation for a listening server process?
Please select the best answer.
  A. Telnet and HTTP
  B. Telnet and FTP
  C. Iterative and concurrent
  D. TCP and concurrent

2. Why is a concurrent server able to remain available for incoming connections?
Please select the best answer.
  A. Because it uses fewer system resources, such as entries in the kernel's process table, than an iterative server
  B. Because it relies on the inetd process to listen to many ports simultaneously
  C. Because it calls fork() to split itself into a child and parent process, so while the child handles the connection, the parent listens on the original port
  D. Because it uses the exec() system calls to start the specific server processes needed to handle the connection at that well-known port

3. How is the inetd process controlled?
Please select the best answer.
  A. By the file /etc/services
  B. By the rpcinfo command
  C. By the in.telnetd daemon
  D. By the /etc/inetd.conf file

Correct answers:

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