Which of the following archiving methods only backs up data that has changed since the previous full backup?（）
第1题：
A. Snapshot
B. Incremental
C. Copy
D. Differential
第2题：
第3题：
Which of the following is not an AVL tree?
A．
B．
C．
D．
第4题：
Which of the following archiving methods only backs up data that has changed since the previous backup？（）
第5题：
A company has 100GB of data that needs to be automatically backed up daily， and needs to be stored for 20 years. Which of the following backup media is the BEST solution for archiving the server data？（）
第6题：
第7题：
An administrator is implementing a new data retention program for the company. Which of the following is the MOST important consideration as the new program is created？ （）
第8题：
A company has 100GB of data that needs to be automatically backed up daily, and needs to be stored for 20 years. Which of the following backup media is the BEST solution for archiving the server data?（）
A. Tape
B. SAN
C. Flash
D. Optical
第9题：
Which of the following is a performance optimization technology?（）
第10题：
Which of the following utilities are used to choose which programs run at startup？ （）