LPI 202-450 Question Answer

Which Postfix command can be used to rebuild all of the alias database files with a single invocation and without the need for any command line arguments?

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

Answer: B

Laredo Petroleum (LPI) Shares Enter Oversold Territory

In Wednesday's trading, the shares of Laredo Petroleum, Inc (Symbol: LPI) entered oversold territory, changing hands as low as $ 6.86 per share. We define the overselling territory using the Relative Strength Index, or RSI, which is a technical analysis indicator used to measure the impulse on a scale of zero to 100. It is considered that an action is oversold if the reading of the RSI falls below of 30.

In the case of Laredo Petroleum, Inc, the reading of the RSI reached 29.1; in comparison, the universe of energy reserves covered by Energy Stock Channel currently has an average RSI of 47.9, the WSI Crude Oil RSI is at 53.7, the Henry Hub Natural Gas RSI is currently 63.5, and the 3-2 -1 Crack Spread RSI is 33.2. A bullish investor could consider reading 29.1 of LPI as a sign that recent strong selling is running out and start looking for entry-point opportunities on the buying side.

Looking at a one-year performance chart (below), the LPI low in its 52-week range is $ 6.85 per share, with $ 13.01 as the highest point of 52 weeks, which is compared to a last transaction of $ 6.87. The shares of Laredo Petroleum, Inc are currently trading around 4% on the day.

LPI 202-450 Question Answer

When the default policy for the netfilter INPUT chain is set to DROP, why should a rule allowing traffic to localhost exist?

A. All traffic to localhost must always be allowed
B. It doesn’t matter; netfilter never affects packets addressed to localhost
C. Some applications use the localhost interface to communicate with other applications
D. syslogd receives messages on localhost
E. The iptables command communicates with the netfilter management daemon netfilterd on localhost to create and change packet filter rules

Answer: C

LPI 202-450 Question Answer

When using mod_authz_core, which of the following strings can be used as an argument to Require in an Apache HTTPD configuration file to specify the authentication provider? (Choose three.)

A. method
B. all
C. regex
D. header
E. expr

Answer: A,B,E


The content of which local file has to be transmitted to a remote SSH server in order to be able to log into the remote server using SSH keys?

A. /.ssh/authorized_keys
B. /.ssh/config
C. /.ssh/id_rsa.pub
D. /.ssh/id_rsa
E. ./ssh/known_hosts

Answer: A