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2016 Nov 102-400 test
Q41. - (Topic 1)
When the command echo $$ outputs 12942, what is the meaning of 12942?
A. It is the process ID of the echo command.
B. It is the process ID of the current shell.
C. It is the process ID of the last command executed.
D. It is the process ID of the last command which has been placed in the background.
Q42. CORRECT TEXT - (Topic 5)
Which keyword must be listed in the hosts option of the Name Service Switch configuration file in order to make host lookups consult the /etc/hosts file?
Q43. - (Topic 5)
Which of the following details is NOT provided in any output from the netstat utility?
A. broadcast services
B. interface statistics
C. masquerading connections
D. network connections
E. routing tables
Q44. - (Topic 3)
Which of the following fields are available in both the global /etc/crontab file as well as in user-specific crontab files? (Select TWO correct answers)
Q45. - (Topic 1)
Which command makes the shell variable named VARIABLE visible to subshells?
A. export $VARIABLE
B. export VARIABLE
C. set $VARIABLE
D. set VARIABLE
E. env VARIABLE
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Q46. - (Topic 5)
Which of the following is a valid IPv6 address?
A. 2001:db8:3241::1 B. 2001::db8:4581::1
Topic 6, Security
Q47. - (Topic 1)
Which of the following commands lists all defined variables and functions within Bash?
B. set C. env -a
D. echo $ENV
Q48. CORRECT TEXT - (Topic 6)
What argument to the -type option of find will match files that are symbolic links? (Specify only the argument and no other options or words.)
Q49. - (Topic 5)
On a regular users workstation the route command takes a long time before printing out the routing table. Which of the following errors does that indicate?
A. The local routing information may be corrupted and must be re-validated using a routing protocol.
B. One of the routers in the routing table is not available which causes the automatic router failure detection mechanism (ARF-D) to wait for a timeout.
C. There may accidentally be more than one default router in which case a default router election has to be done on the network in order to choose one router as the default.
D. DNS resolution may not be working as route by default tries to resolve names of routers and destinations and may run into a timeout.
Q50. - (Topic 1)
Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?
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