310-015 questions

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QUESTION 1
Which two effects can the root user configure? (Choose two)
A. The process app-rev23 produces no core file at all.
B. The process app-rev23 produces a core file without the string “core” appearing anywhere within the file name.
C. The process app-rev23 produces a global core file readable by any user in a global /var/corefiles directory.
D. The process app-rev23 produces a total of three core files, one in the current directory of the process, one in epihylla’s home directory, and one in a global /var/corefiles directory.


QUESTION 2
Which four files need to be configured on a boot server to allow the JumpStart client boot operation? (Choose four)
A. hosts
B. vfstab
C. dfstab
D. ethers
E. mnttab
F. bootparams


QUESTION 3
You believe that you have a correctly configured boot server on the local network for the JumpStart client you are currently attempting to install. Jumpstart configuration is based on files only and does not use a naming service at any stage. Upon running the command:
boot net - install
The client repeatedly displays the message:
Timeout waiting for ARP/RARP packet
What are two possible causes for this? (Choose two)
A. The in.rarpd daemon is not running on the boot server.
B. The sysidcfg file for the client is missing an ether entry.
C. The client does not exist in the rules.ok file on the boot server.
D. The /etc/ethers file on the boot server does not have an entry for the client.
E. The /etc/bootparams file on the boot server has duplicate entries for the client.


QUESTION 4
In which situation will Solaris Volume Manager volumes continue to function normally in the event of the corruption of one copy of its state database?
A. Solaris Volume Manager volumes will function normally if the master copy of the state database is not corrupted.
B. Solaris Volume Manager volumes will function normally if the copy of the state database on the boot disk is available.
C. Solaris Volume Manager volumes will function normally if no more than a single copy of the state database is corrupted.
D. Solaris Volume Manager volumes will function normally if more than half of the copies of the state database are available.


QUESTION 5
You have written a start script to launch application Certkiller Examinator when the system boots. You decide to add a command to the script so that if the application does not launch, it sends a message to syslogd with the appropriate severity.
Which command accomplish this?
A. syslog -s 7 Certkiller Examinator failed to start
B. logger -p user.err Certkiller Examinator failed to start
C. log -f user -s err Certkiller Examinator failed to start
D. logger -F user -s err Certkiller Examinator failed to start
E. echo Certkiller Examinator failed to start, severity=7
>;>;/var/adm/messages


QUESTION 6
You run an IT department and are responsible for purchasing hardware within a given budget. You are aware that 70 GBytes of data housed in a series of traditional disk slices is becoming critical to the business. You decide to mirror the data but have concerns about write performance. You can purchase the disk space to mirror the data.
What is a cost-free configuration enhancement that achieves fast write performance?
A. Arranging for the mirror to consist of just two disks.
B. Using RAID 5 to hold the data in each half of the mirror.
C. Striping the data across the disks in each half the mirror.
D. Concatenating the data across the disks in each half of the mirror.

what are the correct answers and why?thank you !