Oracle 1Z0-105 Online Practice Questions and Exam Preparation

Oracle 1Z0-105 Online Questions & Answers

• Question 1:

  Examine the code fragment fro, /etc/tgt/targets.conf:

  

  Which statement is true?

  A. SCSI target numbering cannot be predicated; the numbering may be reassigned after reboot due to factors outside the control of local administration.
  B. By default, SCSI target numbers are allocated in the sequence defined in the /etc/tgt/targets.conf file; therefore, the iqn ending ending with mypc:w is target 1.
  C. By default, SCSI target numbers are allocated numerically; therefore, these definitions are invalid. No target numbers will be allocated.
  D. By default, SCSI target numbers are allocated in aplhabetic order of iqn target name; therefore, the iqn ending with mypc:a is target 1.
  B. By default, SCSI target numbers are allocated in the sequence defined in the /etc/tgt/targets.conf file; therefore, the iqn ending ending with mypc:w is target 1.

• Question 2:

  Which three statements are true about the crash utility in Oracle Linux?

  A. It can analyze only dumps produced by the kdump facility.
  B. It can analyze the state of the system while it is running.
  C. It can analyze only dumps produced by the Linux Kernel Crash Dumps (LKCD) facility.
  D. It can analyze the state of the system after a kernel crash has occurred by using the memory image file produced from the crash.
  E. The kernel-debuginfo and kernel-uek-debuginfo packages are not included in the Oracle Linux distribution.
  A. It can analyze only dumps produced by the kdump facility.
  B. It can analyze the state of the system while it is running.
  D. It can analyze the state of the system after a kernel crash has occurred by using the memory image file produced from the crash.

• Question 3:

  Examine the two commands and the output produced: [root@host03 ~]# iscsiadm –m session iscsiadm: No active sessions. [root@host03 ~]# iscsiadm –m node 192.0.2.1:3260,1 iqn.2013-03.com.example.mypc:3 192.0.2.1:3260,1 iqn.2013-03.com.example.mypc:2 192.0.2.1:3260,1 iqn.2013-03.com.example.mypc:1

  Which option represents the correct command or commands to establish iSCSI sessions with the target portal 192.0.2.1:3260?

  A. iscsiadm –m session -1
  B. iscsiadm –m node -1
  C. iscsiadm –m discovery –t st –p 192.0.2.1 iscsiadm –m session -1
  D. iscsiadm –m discovery –t st –p 192.0.2.1 iscsiadm –m host -1
  C. iscsiadm –m discovery –t st –p 192.0.2.1 iscsiadm –m session -1

• Question 4:

  A new iSCSI target configuration is created in /etc/tgt/targets2.conf using a text editor. The file is used to avoid accidental destructive errors in the normal working configuration file /etc/tgt/targets.conf while testing is in progress.

  Which command would you use to activate this configuration without affecting the default configuration file?

  A. service tgtd restart < /etc/tgt/targets2.conf
  B. cat /etc/tgt/targets2.conf | tgt-admin –e
  C. tgt-admin –e < /etc/tgt/targets2.conf
  D. tgt-admin –e –c /etc/tgt/targets2.conf
  B. cat /etc/tgt/targets2.conf | tgt-admin –e

• Question 5:

  Examine the D scrypt:

  syscall::read:entry,

  syscall::write:entry

  /pid == $1/

  {

  ts[probefunc] = timestamp;

  }

  syscall::read:return,

  syscall::write:return

  /pid == $1 andand ts[probefunc] != 0/

  {

  printf("%d nsecs", timestamp ?ts[probefunc]);

  }

  Which statement is true about this script?

  A. It produces aggregations of system calls made by the process whose PID is passed as a command-line argument represented by $1. You see which system calls are issued, and how many times, over a fixed interval.
  B. It produces elapsed times for reads and writes to the entry and returns DTrace probes for the process whose PID is passed as a command-line argument represented by $1.
  C. It produces elapsed times between entry and return of read and write system calls for the process whose PID is passed as the first command-line argument to the D script, represented by $1.
  D. It produces a measure of useful time spent in read and write system calls for the process whose PID is passed as a command-line argument represented by $1.
  A. It produces aggregations of system calls made by the process whose PID is passed as a command-line argument represented by $1. You see which system calls are issued, and how many times, over a fixed interval.

• Question 6:

  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.
  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 7:

  Which two statements are true about the sendmail and postfix programs?

  A. sendmail is an MTA.
  B. postfix is the default mail server on Oracle Linux
  C. postfix has built-in IMAP support
  D. sendmail has built-in IMAP support
  E. postfix uses sendmail to send emails to remote destinations.
  F. postfix uses sendmail to deliver emails to the local system.
  B. postfix is the default mail server on Oracle Linux
  D. sendmail has built-in IMAP support

• Question 8:

  You run the crash utility on an Oracle Linux system after a kernel panic and use the bt -a command as shown: crash> bt a

  crash> bt -a

  PID: 286 TASK: c0b3a000 CPU: 0 COMMAND: "in.rlogind"

  #0 [c0b3be90] crash_save_current_state at c011aed0 #1 [c0b3bea4] panic at c011367c #2 [c0b3bee8] tulip_interrupt at c01bc820 #3 [c0b3bf08] handle_IRQ_event at c010a551 #4 [c0b3bf2c] do_8259A_IRQ at c010a319 #5 [c0b3bf3c] do_IRQ at c010a653 #6 [c0b3bfbc] ret_from_intr at c0109634

  

  #7 [c0b3bfbc] sys_select at c012f803

  #8 [c0b3bfc0] system_call at c0109598

  

  Which two statements are true about the purpose of the bt a command?

  A. It shows stack traces of all tasks and threads.
  B. It shows stack traces of the active task on each CPU.
  C. The output of each CPU must be requested separately.
  D. It may help show a relationship between panicking tasks on one CPU and tasks on other CPUs.
  A. It shows stack traces of all tasks and threads.
  B. It shows stack traces of the active task on each CPU.

• Question 9:

  Which two parameters are valid networking modes for a Linux container (LXC)?

  A. veth
  B. bridged
  C. nat
  D. macvlan
  E. routed
  B. bridged
  C. nat

• Question 10:

  Examine the parameters shown using the sysctl command relating to panic situations:

  

  Which two statements are true about system behavior regarding panics? (Choose two.)

  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 tries to kill some memory-consuming processes to avoid a panic if an out-of-memory condition arises.
  D. The kernel panics immediately if a bug is encountered.
  B. The kernel panics if a kernel thread sleeps in the TASK_UNINTERRUPTABLE state for more than 120 seconds.
  C. The kernel tries to kill some memory-consuming processes to avoid a panic if an out-of-memory condition arises.