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
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。
int i = 0; for (; i
A、 0 2 4
B、 0 2 4 5
C、 0 1 2 3 4
D、 Compilation fails.
E、 An exception is thrown at runtime.
下列哪个命令最方便用来查询MAC地址:()。
A、tracert-d
B、ping-t
C、netstat
D、ipconfig/all
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
public class X { public static void main (String[] args) { byte b = 127; byte c = 126; byte d = b + c; } } Which statement is true?()
A、 Compilation succeeds and d takes the value 253.
B、 Line 5 contains an error that prevents compilation.
C、 Line 5 throws an exception indicating “Out of range”
D、 Line 3 and 4 contain error that prevent compilation.
E、 The compilation succeeds and d takes the value of 1.