A server has five hot pluggable SCSI disk drives in a RAID 5 array. The server OS crashed and the server will not boot. The administrator noticed that all of the disk drives have gone offline. 
Which of the following components would MOST likely have caused the problem？（）

The operating system partition on a server is nearly out of space on a Windows 2003 Server. The administrator notices that the file pagefile.sys is taking up nearly 2GB of space. 
Which of the following would BEST resolve this problem？（）

A server crashed because it ran out of all free available disk space. After booting the server backup it is noticed that enhanced logging was enabled on the web server software months before. 
Which of the following is MOST likely causing the disk to run out of space？ （）

A server has been assigned the 192.168.100.127/25 IP address. The server is experiencing strange network connectivity related problems. 
Which of the following would BEST describe the problem？（）

A workstation is added to a newly created subnet using 192.168.100.0/24. A DHCP server is available on subnet 192.168.101.0/24. The user is unable to lease an address from the DHCP server.
Which of the following would BEST resolve the problem？（）

An administrator is upgrading memory on the server. Once the server in turned back on， the administrator notices that the memory has not changed. The system board website says the board should accept the new amount of memory. 
Which of the following should the administrator do FIRST？（）

Weekly backups of the system are done on Sundays， and daily backups are done the rest of the week. 
Which of following backup methods were used if the system crashes on Friday and only requires two backup sets to recover the system？（）