Ccna final exam - java, php, javascript, ios, cshap all in one

1. A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)
regenerating data signals
acting as a client or a server

I try to get some insights from the pages I am administrator on Facebook.
What my code does, it gets the IDs of the pages I want to work with through mySQL. I did not include that part though.
After this, I get the page_id, name and fan_count of each of those facebook IDs and are saved in fancounts[] ....

I'm fairly new to linux and svn. I'm trying to checkout the trunk folder of a project into my public_html directory using this command (while in public_html):
The waterproject directory contains the files from untarring a base install of drupal.
It checks out fine, except all the files are in public_html/trunk instead of just being in public_html ....

I found this code in the linux headers, /usr/include/dirent.h:
What is this construct for? - why define something with an identical string, which will then compile to the int value?
Source: Tips4all