Download Oracle Linux 6 Advanced System Administration.certkey.1z0-105.2019-02-20.1e.97q.vcex

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Exam Oracle Linux 6 Advanced System Administration
Number 1z0-105
File Name Oracle Linux 6 Advanced System Administration.certkey.1z0-105.2019-02-20.1e.97q.vcex
Size 1.06 Mb
Posted February 20, 2019
Downloads 2



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Demo Questions

Question 1
Examine the dtrace command:
dtrace -P syscall 
Which statement is true about this command?

  • A: It enables all probes available in the syscall provider.
  • B: It lists all probes available in the syscall provider.
  • C: It returns an error. The command is incomplete. You must specify a probe to enable.
  • D: It enables all probes available in the syscall provider, and produces no output.



Question 2
Examine this extract from /etc/httpd/conf/httpd.conf for virtual hosts:
<VirtualHost *:80>
    ServerAdmin [email protected] 
    DocumentRoot /www/docs/site1.example.com 
    ServerName site1.example.com 
</VirtualHost> 
<VirtualHost *:80>
    ServerAdmin [email protected] 
    DocumentRoot /www/docs/site2.example.com 
    ServerName site2.example.com 
</VirtualHost> 
Which three statements are true about the configuration extract?

  • A: To connect to the website, site1.example.com must resolve to a different IP address than site2.example.com.
  • B: site1.example.com and site2.example.com can share the same IP address.
  • C: The web server attempts a DHCP discover to assign one IP address per virtual host.
  • D: It is possible but not mandatory to have unique IP addresses for each virtual host.
  • E: The site1.example.com virtual host shares and error logs with site2.example.com.



Question 3
Examine the code fragment from /etc/tgt/targets.conf:
<target iqn.2013-03.com.example.mypc:1>
backing-store /iSCSIsharedDisk/physDisk1.img 
write-cache off 
</target> 
<target iqn.2013-03.com.example.myps:2>
backing-store / iSCSIsharedDisk/physDisk2.img 
initiator-address 192.0.2.105 
initiator address 192.0.2.106 
write-cache off 
</target> 
<target iqn.2013-03.com.example.mypc:3>
backing-store /iSCSIsharedDisk/physDisk3.img 
write-cache off 
</target> 
Which statement is true?

  • A: Only the target identified by the iqn ending with mypc:2 is visible. This target is visible to the specific clients identified by the initiator address.
  • B: The initiator-address syntax in not valid. The address value should be specified as an iqn, not an IP address. This causes an error, and only iqns ending with mypc:1 and mypc:3 are visible.
  • C: All targets are visible to prospective clients, but the target iqn ending with mypc:2 is visible exclusively to the specified IP addresses.
  • D: The initiator-address syntax is not valid. The address value must be specified as an iqn, not an IP address. The initiator-address parameters are ignored and all targets are visible without restriction.



Question 4
Which three statements are true about an RPM SPEC file?

  • A: It is mandatory for building a binary RPM using rpmbuild.
  • B: It is a Shell script that can be used to build a binary RPM.
  • C: It contains metadata that will be part of a binary RPM.
  • D: It contains metadata and helper scripts that are required during the build process of a binary RPM.



Question 5
Examine the parameters shown using the sysctl command relating to panic situations:
[[email protected] etc]# sysctl –a |grep panic |grep –v hung 
kernel.panic = 0 
kernel.panic_on_oops = 0 
kernel.softlockup_panic = 0 
kernel.unknown_nmi_panic = 0 
kernel.panic_on_unrecovered_nmi = 0 
kernel.panic_on_io_nmi = 0 
kernel.panic_on_oom = 2 
[[email protected] etc]# sysctl –a |grep hung 
kernel.hung_task_panic = 0 
kernel.hung_task_chek_count – 4194304 
kernel.hung_task_timeout_secs = 120 
kernel.hung_task_warnings = 10 
Which two statements are true about system behavior?

  • A: The kernel delays panic for a few seconds if a bug is encountered to allow the klogd kernel logging daemon to log the oops output.
  • B: The kernel panics if a kernel thread sleeps in the TASK_UNINTERRUPTABLE state for more than 120 seconds.
  • C: The kernel attempts to continue if a bug is encountered.
  • D: The kernel always panics if an out-of-memory condition arises.
  • E: The kernel tries to kill some memory-consuming processes to avoid a panic if an out-of- memory condition arises.
  • F: The kernel panics if a user thread sleeps in the TASK_UNINTERRUPTABLE state for more than 120 seconds.



Question 6
Which two options prevent unauthorized access to the named service from the rndc utility on Oracle Linux?

  • A: running rndc-confgen –a to generate a key that can be used by both the named service and the rndc utility
  • B: running rndc-confgen –a to generate a key that can be used only by the named service
  • C: running rndc –k /etc/rndc.key to generate a key to be used only by the rndc utility
  • D: the presence of /etc/named.conf with the line include “/etc/rndc.key”; to allow the named service to check for a matching key from the rndc utility



Question 7
After creating empty mount point /xfs1, you execute the command:
# mkfs –t xfs –L /xfs1 –l logdev=/dev/sdd1 /dev/sdh1 
Which two statements are true about the effects of executing the mkfs command?

  • A: It fails if there is an existing XFS file system on /dev/sdh1.
  • B: It fails if there is an existing XFS log on /dev/sdd1.
  • C: It fails if there is an existing XFS file system on /dev/sdd1.
  • D: It fails because there is no size specified for the XFS log.
  • E: The xfs1 file system is mounted automatically during system startup.
  • F: It creates and mounts the /xfs1 file system.



Question 8
Examine the contents of /etc/mail/access:

  

This system is to be used as an MTA or mail gateway for the local LAN network address 192.168.1.0/24. 
Which two actions allow this mail host to route email for the network?

  • A: Run sendmail again; and the updated file can be accessed automatically.
  • B: Add this line to /etc/mail/access: 

      
  • C: Add this line to /etc/mail/access: 

      
  • D: Add this line to /etc/mail/access: 

      
  • E: Rebuild the access database file after the source files have been modified. Restarting the sendmail service automatically rebuilds the maps.



Question 9
Which two statements are true about recursive nameservers that are supported by Oracle Linux?

  • A: They may be authoritative.
  • B: They may forward requests to authoritative name servers on some occasions.
  • C: They may be primary nameservers.
  • D: They cache replies from previous name resolution requests.
  • E: They may be secondary nameservers.



Question 10
What is function of the System Security Service Daemon (SSSD)?

  • A: It permits single-user accounts by maintaining credentials for back-end systems on behalf of local users.
  • B: It enables fingerprint reader support for Kerberos clients.
  • C: It enables Smart Card Authentication for Kerberos clients.
  • D: It permits Kerberos authentication to be done offline by caching user identities.









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