Oracle 1Z0-105 Online Practice Questions and Exam Preparation

Oracle 1Z0-105 Online Questions & Answers

• Question 101:

  Examine the output of the command:

  

  Which two statements are true? (Choose two.)

  A. The names in the first column represent only cgroup subsystems that are currently attached to any cgroup hierarchy regardless of whether they are mounted or unmounted.
  B. cpuset, cpu, memory, cpuacct, and blkio are cgroup subsystems and they are attached to mounted cgroup hierarchies. The numbers in the second column represents the number of cgroups to which corresponding subsystems are attached.
  C. cpuset, cpu, memory, cpuacct, and blkio are cgroup subsystems and they are attached to mounted cgroup hierarchies. The numbers in the second column represents arbitrary system-assigned cgroup hierarchy numbers.
  D. cpuset, cpu, memory, cpuacct, and blkio are cgroup subsystems and they are attached to mounted cgroup hierarchies. The numbers in the second column represents the number of cgroups in each cgroup hierarchy.
  E. The names in the forst column represent all cgroup subsystems available on the system.
  A. The names in the first column represent only cgroup subsystems that are currently attached to any cgroup hierarchy regardless of whether they are mounted or unmounted.
  C. cpuset, cpu, memory, cpuacct, and blkio are cgroup subsystems and they are attached to mounted cgroup hierarchies. The numbers in the second column represents arbitrary system-assigned cgroup hierarchy numbers.

• Question 102:

  Examine the dtrace command:

  dtrace -n `syscall::open:entry {printf("%s %s", execname, copyinstr(arg0)):}'

  Identity the D built-in function that is in use.

  A. open
  B. execname
  C. copyinstr
  D. entry
  B. execname

• Question 103:

  Identify the minimum required steps to configure postfix on a client system to relay outbound emails to an SMTP server. Note: The postfix package is already installed and running on the system.

  1.

  Install the postfix-cf package.

  2.

  Set the myorigin parameter to $mydomain in /etc/postfix/main.cf.

  3.

  Set the relayhost parameter to the desired SMTP server in /etc/postfix/main.cf.

  4.

  Restart mail services by using: service postfix restart.

  A. 1, 2, 3, 4
  B. 1, 3, 4
  C. 3, 4
  D. 3 only
  E. 2, 3, 4
  F. 2, 4
  E. 2, 3, 4

• Question 104:

  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.
  D. It fails because there is no size specified for the XFS log.
  F. It creates and mounts the /xfs1 file system.

• Question 105:

  Which two statements are true about container template scripts?

  A. They must be Bourne Shell scripts.
  B. Their name must start with 1xc-.
  C. They must support the --arch option.
  D. They must not be interactive.
  E. They must install a Linux distribution.
  B. Their name must start with 1xc-.
  E. They must install a Linux distribution.

• Question 106:

  A container has a runaway process that is consuming all of its allotted CPU time. You want to temporarily stop this container from using any more CPU so that you can inspect it and try to correct the problem.

  Which command would you run?

  A. kill –STOP `lxc-info --pid –n `
  B. lxc-freeze –n
  C. lxc-stop –n --freeze
  D. lxc-cgroup –n cpu.shares 0
  B. lxc-freeze –n

• Question 107:

  A container is not starting.

  What is the best way to debug the issue?

  A. Use strace on the lxc-start command.
  B. Use gdb on the lxc-init executable.
  C. Look in /var/log messages for ixc failures.
  D. Increase the log level of lxc-start with the -1 option.
  B. Use gdb on the lxc-init executable.

• Question 108:

  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
  A. running rndc-confgen –a to generate a key that can be used by both the named service and 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 109:

  Which statement is true about the net_cls cgroup subsystem?

  A. It controls the throughput limits for network packets.
  B. It dynamically sets the priority of network traffic per network interface.
  C. It enforces a limit on the number of opened sockets.
  D. It tags network packets with an identifier.
  D. It tags network packets with an identifier.

• Question 110:

  You moved the Apache DocumentRoot from /var/www/html to /01/html and updated the Apache configuration file accordingly. After restarting Apache, you receive 403 Forbidden errors while accessing the website on your server, which runs SELinux in enforcing mode.

  Which command, or sequence of commands, must be run as root to permanently fix the 403 Forbidden errors?

  A. chcon –R –t httpd_sys_content_t /u01/html
  B. setsebool –P httpd_enable_homedirs on
  C. setsebool –P webadm_manage_user_files on
  D. semanage fcontext –a –t httpd_sys_content_t ‘/u01/html(/.*)?’
  E. semanage fcontext –a –t httpd_sys_content_t ‘/u01/html(/.*)?’; restorecon – R /u01/html
  A. chcon –R –t httpd_sys_content_t /u01/html