Which http_access directive for Squid allows users in the ACL named sales_net to only access the Internet at times specified in the time_acl named sales_time?

1. A. http_access deny sales_time sales_net
2. B. http_access allow sales_net sales_time
3. C. http_access allow sales_net and sales-time
4. D. allow http_access sales_net sales_time
5. E. http_access sales_net sales_time

Correct Answer: B

What is the standard port used by OpenVPN?

1. A. 1723
2. B. 4500
3. C. 500
4. D. 1194

Correct Answer: D

Which of the following statements is true regarding the NFSv4 pseudo file system on the NFS server?

1. A. It must be called /exports
2. B. It usually contains bind mounts of the directory trees to be exported
3. C. It must be a dedicated partition on the server
4. D. It is defined in the option Nfsv4-Root in /etc/pathmapd.conf
5. E. It usually contains symlinks to the directory trees to be exported

Correct Answer: B

In a PAM configuration file, which of the following is true about the required control flag?

1. A. If the module returns success, no more modules of the same type will be invoked
2. B. The success of the module is needed for the module-type facility to succee
3. C. If it returns a failure, control is returned to the calling application
4. D. The success of the module is needed for the module-type facility to succee
5. E. However, all remaining modules of the same type will be invoked
6. F. The module is not critical and whether it returns success or failure is not important
7. G. If the module returns failure, no more modules of the same type will be invoked

Correct Answer: C

Which of the following PAM modules sets and unsets environment variables?

1. A. pam_set
2. B. pam_shell
3. C. pam-vars
4. D. pam-env
5. E. pam_export

Correct Answer: D