202-450 Online Practice Questions and Answers

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What is the name of the root element of the LDAP tree holding the configuration of an OpenLDAP server that is using directory based configuration? (Specify ONLY the element's name without any additional information.)

A server was rebuilt using a full system backup but with a different disk setup. The kernel won't boot, complaining it cannot find the root filesystem. Which of the following commands will fix this error by pointing the kernel image to the new root partition?

A. mkbootdisk

B. tune2fs

C. rdev

D. grub-install

E. fdisk

Which keys are stored in the authorized_keys file?

A. public

Why should the Postfix parameter disable_vrfy_command be set to yes on a publicly accessible mail server?

A. It prevents e-mail delivery attempts to a non-existent user.

B. It prevents some techniques of gathering existing e-mail addresses.

C. It enables verification attempts on the sender e-mail address.

D. It speeds up forwarding of relayed e-mail.

Which of these tools, without any options, provides the most information when performing DNS queries?

A. dig

B. nslookup

C. host

D. named-checkconf

E. named-checkzone

Which server program will understand and can reply to NetBIOS name service requests?

A. netbios

B. nmbd

C. smbd

D. winbindd

Which of the following sshd configuration should be set to no in order to fully disable password based logins? (Choose two.)

A. PAMAuthentication

B. ChallengegeResponseAuthentication

C. PermitPlaintextLogin

D. UsePasswords

E. PasswordAuthentication

In order to protect a directory on an Apache HTTPD web server with a password, this configuration was added to an .htaccess file in the respective directory: Furthermore, a file /var/www/dir/ .htpasswd was created with the following content: usera:S3cr3t

Given that all these files were correctly processed by the web server processes, which of the following statements is true about requests to the directory?

A. The user usera can access the site using the password s3cr3t

B. Accessing the directory as usera raises HTTP error code 442 (User Not Existent)

C. Requests are answered with HTTP error code 500 (Internal Server Error)

D. The browser prompts the visitor for a username and password but logins for usera do not seem to work

E. The web server delivers the content of the directory without requesting authentication

Given the following Squid configuration excerpt:

cache_dir ufs /var/spool/squid3/ 1024 16 256

Which of the following directories will exist directly within the directory: /var/spool/squid3/? (Choose two.)

A. 0F

B. A0

C. 0b

D. FF

E. 00

Which Apache HTTPD configuration directive is used to specify the method of authentication, e.g. None or Basic?

A. AuthUser

B. AllowedAuthUser

C. AuthType

D. AllowAuth