成熟红细胞更替时间是（） 100天。 120天。 80天。 60天。
A class B network 129.35 has 4 subnets and a netmask of 255.255.252.0 （11111111.11111111.11111100.00000000）. To which of the following subnets will the class B network deliver a packet of address 129.35.14.04 （10000001.00100011.00001110.00000100）？（） 129.35.12.0。 129.35.16.0。 129.35.52.0。 129.35.128.0。
The Service Agent User Interface option is being selected for Electronic Service Agent on the HMC. What would be typed in to authenticate and gain access to the application?（） abc123。 hscroot。 passw0rd。 password。
Which daemon identifies available filesystems throughthe /etc/xtab file?（） nfsd。 biod。 rpc.lockd。 rpc.mountd。
During system boot， the boot process hangs at LED 0551. Which of the following is a likely cause（） A network problem。 corrupted filesystem。 corrupted ODM。 corrupted /etc/inittab file。
Which of the following commands should be used to monitor the average number of threads in the scheduler’s run queue for any given interval？（）
