All of the following are involved in adding or removing routes from the AIX routing table EXCEPT：（）。

A、arp

B、rip

C、icmp

D、ifconfig

Which two statements are true regarding redundancy groups? （）(Choose two.)

When priority settings are equal and the members participating in a cluster are initialized at the same time, the primary assigned to node 0.

The preempt option determines the primary and secondary roles for redundancy group 0 during a failure and recovery

Redundancy group 0 manages the control plane failover between the nodes of a cluster.

The primary role can be shared for redundancy group 0 when the active-active option is enabled.

为作图方便，一般取（）作为正二测的简化轴向变形系数。

A、p=r=1.22，q=0.6

B、p=r=1，q=0.5

C、p=r=0.82，q=0.47

D、p=r=1，q=0.47

Which commands will list all the logical volumes and the file system distribution across a specific physical volume of the following？（）

A、lspv -l

B、lslv -p

C、lsps -a

D、lsvg -m

All of the following services are controlled by inetd EXCEPT：（）。

A、nfsd

B、ftpd

C、telnetd

D、pop3d

A system administrator wants to give full read/write/excute access to the owner and group of the /stuff directory and all subdirectories and files， but only allow read/execute for others. What command would the administrator use？（）

A、chmod -R 775 /stuff

B、chmod -h 002 /stuff

C、chmod -R 577 /stuff

D、chmod ug+rwx，o+rx /stuff