A. /proc/sys/

B. /sys/

C. /sysctl/

D. /dev/sys/

A. SSLRequestClientCert always

B. SSLPolicy valid-client-cert

C. Require valid-x509

D. Limit valid-x509

E. SSLVerifyClient require

A. Option E

B. Option D

C. Option C

D. Option A

E. Option B

A. SID

B. ACL

C. GROUP

D. GRANT

E. OWNER

A. -tls- timer 500

B. -tls- timer 5

C. -tls- timeout 500

D. -tls-timeout 5

A. chage -maxdays 99 usera

B. chage --maxdays -1 usera

C. chage --lastday 0 usera

D. chage --lastday none usera

E. chage --maxdays none usera