Online Access Free 117-202 Practice Test

Which Postfix command can be used to rebuild all of the alias database files with a single invocation?

• A.postalias
• B.newaliases
• C.postmapbuild
• D.makealiases

An iptables firewall was configured to use the target MASQUERADE to share a dedicated wireless connection to the Internet with a few hosts on the local network.
The Internet connection becomes very unstable in rainy days and users complain their connections drop when downloading e-mail or large files, while web browsing seems to be working fine.
Which change to your iptables rules could alleviate the problem?

• A.Change the target MASQUERADE to BNAT
• B.Change the target MASQUERADE to DNAT
• C.Change the target MASQUERADE to SNAT
• D.Change the target MASQUERADE to REDIRECT and provide a backup Internet connection
• E.Change the target MASQUERADE to BALANCE and provide a backup Internet connection

Which files are read by the lsdev command? (Please specify THREE answers)

• A./proc/swaps
• B./proc/interrupts
• C./proc/ioports
• D./proc/filesystems
• E./proc/dma

CORRECT TEXT
All machines outside the network are able to send emails through the server to addresses not served by that server. If the server accepts and delivers the email, then it is a (n) _______________.

Which configuration block in Nginx is used to define settings for a reverse proxied web server?

• A.server
• B.http
• C.location
• D.reverse