Hi, I have this subject in college named wireless networking which is totally new for me. I want to know the definition of wide area network and the difference between LAN; WAN is and MAN. Also, can you explain the working of a WAN?

Hi. I am using Mac and I am facing the issue of duplicate emails in Mac mail. How can this issue be resolved and how can I delete all these duplicate emails? Thanks in advance.

Hi. What is the use of dummy email address for testing and how can we use these email addresses in Gmail? Please reply ASAP. Thanks in advance.

Hi. I want to know the steps which need to be followed for efax messenger 4.4 free download. Also, what are the pre-requirements and the features? Please reply ASAP. It is urgent. Thanks in advance.

Often working on multitenant systems as a user we face the problem of overridden htaaccess or disabled htaaccess, thus all directives in htaaccess are ignored and if we face some configuration issue we cannot modify the access for that specific file or directory. How to work around this problem (provided you have certain level of system access)?

Often while working on production SuSE Linux based virtual servers we need to extend or modify partitions connected to Linux based virtual servers but for the changes to be recognized generally we need a complete reboot. In the real world a reboot means server going offline, how can we get these partition changes recognized without a complete reboot?

It is a common problem in all interlinked systems that if not node is out of order the entire chain breaks and the complete system slows down. It is a common problem in Hadoop cluster that if a faulty node or a slow node is there the entire system slows down. How can we work around this problem?

This is an array of errors we come across quite often where error message is generated as report engine crashes as it receives a task from the report server. How can we identify related problems from this section of error reports and solve them?

Often while working on UNIX report servers we come across an error message which says error REP-50125 has been encountered along with details of the exception and often without it. How can we deal with this wide spectrum report to identify the problem and solve it?

Often when duplicate processes run simultaneously in a UNIX system report requests from report servers hang up and can lead to serious performance issues. What can be a workaround this process?