Companycom is currently using a p690 and has just ordered a p5 590. They prefer to run in full system partition mode, since their application will utilize all the resources in the machine, and they don't want the overhead of an LPAR. What is the best response to the customer about the POWER5 capabilities?（）
A、POWER5 runs in an SMP mode as default
B、POWER5 can run in a full system mode the same as the p690
C、POWER5 can run in full system mode with the purchase of PLM
D、POWER5 can run in a full system mode， but it is in LPAR mode
数值决定了IP包在网络上允许停留的最长时间，（）在实际应用时一般都将它做成一个跳（Hop，或称驿站）计数器，每经过一个路由器其值减1。
下列不属于软件设计阶段任务的是（ ）。
A、软件总体设计
B、算法设计
C、制定软件确定测试计划
D、数据库设计
一个客户有一个IO比较敏感，比较耗用缓存的应用，下面哪方面可能对性能影响比较明显？（）
A、写缓存
B、服务器中的高速缓存
C、磁盘驱动器机械臂
D、磁盘阵列中的高速缓存
SuSe Linux Enterprise Server (SLES) has been installed on an LPAR on a p5 570, but the client is having problems directly after installation with slow network performance. What is the most probable cause?（）
A、SLES does not perform well with DHCP
B、SLES was installed with the default host name of Linux
C、Virtual Network Resources are being used, which is not supported in a SLES environment
D、The SLES instance was installed in 32-bit mode, where 64-bit should have been selected
在TCP/IP协议中TCP/UDP是传输层的协议，ICMP是网间网层的协议，TP、TELNET是应用层的协议。ARP、RARP是（）层的协议。