When load balancing traffic between two web servers， which of the following technologies provides the LOWEST cost solution？（）

单项选择题A server failed Thursday evening before the nightly backup. The backup scheme in place was fullbackups  every Sunday，incremental backups on Monday，Wednesday，and Friday，and differentialbackups on Tuesday，Thursday，and Saturday.  To fully restore the server，which of the following is theLEAST amount of backup sets required？（）

A. One
B. Two
C. Three
D. Four

单项选择题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？（）

A. Memory
B. SCSI backplane
C. SCSI drives
D. Motherboard

单项选择题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. Move the page file to a free drive.
B. Delete the file.
C. Add more memory.
D. Remove the page file from system properties.

单项选择题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. The web server requires larger disk drives.
B. Traffic to the web server has increased.
C. Disks are not large enough for the web server software.
D. Log files are filling the disk.

单项选择题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. IP address is classful.
B. IP address is a subnet broadcast address.
C. IP address is a subnet network address.
D. IP address is classless.