You notice that the performance of the database has degraded because of frequent checkpoints. Which two actions resolve the issue（）
ADisable automatic checkpoint tuning.
BCheck the size of the redo log file size and increase the size if it is small.
CSet the FAST_START_MTTR_TARGET parameter as per the advice given by the MTTR Advisor.
DDecrease the number of redo log members if there are more than one redo log members available in each redo log group.
The IBM Tivoli Access Manager for Enterprise Single Sign-On IMS is configured to cache user’s wallets. The SLA for network reliability between the IMS Server and the desktop machines is 95%. The customer wants to use Graphical Identification and Authentication （GINA） replacement， and has enabled Active Directory （AD） password synchronization. The user has a cached wallet on their private desktop. Which statement is true when the network is unavailable？（）
A、The user would not be able to log in to the wallet.
B、The user is able to log in with their wallet password， but the wallet is not synchronized with the server.
C、A user must be re-assigned to another policy template in order to change any aspects of the applied policy.
D、The user experiences normal operation， but AccessAgent will be unable to store newly captured passwords.
在现代的CPU芯片中又集成了高速缓冲存储器（Cache），其作用是（ ）。
A、扩大内存储器的容量
B、解决CPU与RAM之间的速度不匹配问题
C、解决CPU与打印机的速度不匹配问题
D、保存当前的状态信息
Which of the following laptop hardware components requires a re-soldering process in order toreplace properly?（）
A、Mini PCIe wireless card
B、Heat sink
C、DC jack
D、Li-Ion battery
Which of the following is an advantage of upgrading to a 64-bit version of Windows? （）
A、A greater number of dynamic disks or disks larger than 1 TB can be supported.
B、Multiple applications running in 16-bit compatibility mode are supported.
C、More than 4GB of RAM, in some cases up to 128GB of RAM can be supported.
D、A new anti-virus protection scheme called Data Execution Prevention is supported.
根据汉字国标码GB2312-80的规定，一级常用汉字个数是（ ）。
A、3477个
B、3575个
C、3755个
D、7445个