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Oracle Solaris 10 System Administrator Certified Professional Exam, Part II

Question No: 161 – (Topic 2)

With the Solaris OS, you are required to reserve swap space prior to executing any process. This requires the available of swap space. The required amount of swap space varies from system to system. Which two statements about available swap space requirements are true? (Choose two.)

  1. It does not require physical disk space.

  2. It must be twice as large as the installed physical RAM.

  3. It must be sufficient to supplement physical RAM to meet the needs of concurrently running processes.

  4. It must be spread across all the installed disks in the system. If there are two disks in the system, there must be a swap slice on each disk.

  5. It must be spread across all the controllers installed in the system. If the system has two controllers, each controller must have a disk with a swap slice.

Answer: A,C

Question No: 162 – (Topic 2)

Sometimes a process must give up some of its memory space allocation to another process. The process has some of its pages in RAM paged out. Which two statements accurately describe this paging process? (Choose two.)

  1. All the modified data memory pages of a process are moved to a swap area.

  2. Selected anonymous memory pages that contain private data or stack information are placed in a swap area.

  3. Unchanged file system pages are NOT placed in swap areas because file system data exist as permanent storage.

  4. The size of a memory page is fixed and is based on the architecture of the machine running Solaris 10 OS (8192 bytes for SPARC, 4096 bytes for x86 platforms).

Answer: B,C

Question No: 163 – (Topic 2)

Which two statements are true about paging and swapping on a Solaris 10 OS? (Choose two.)

  1. Adding additional swap causes more paging to occur and should be avoided.

  2. Paging involves moving all modified data memory pages associated with a process to swap space.

  3. Swapping involves moving all modified data memory pages associated with a process to swap space.

  4. Swapping occurs frequently on a system with sufficient physical memory for the processes that are running.

  5. Both paging and swapping allow for a system to run multiple processes where the total memory requirement exceeds physical RAM.

Answer: C,E

Question No: 164 – (Topic 2)

Given the following output from a dumpadm command:

# dumpadm

Dump content: kernel pages

Dump device: /dev/dsk/c0t0d0s1 (swap) Savecore directory: /var/crash/wm13w1 Savecore enabled: yes

Which statement is correct?

  1. The dump device is also a swap device.

  2. Crash dumps are written to the /var/crash/wm13w1 file.

  3. The system dumps the whole content of memory to the dump device.

  4. The savecore command will run as the system shuts down following a panic.

Answer: A

Question No: 165 – (Topic 2)

Given:

# dumpadm

Dump content: kernel pages

Dump device: /dev/dsk/c2t3d0s0 (dedicated) Savecore directory: /var/crash/wm13w6 Savecore enabled: yes

The system administrator assigned a dedicated dump slice. Which command did the system administrator run to achieve this?

  1. dumpadm -d c2t3d0s0

  2. coreadm -d c2t3d0s0

  3. dumpadm -d /dev/dsk/c2t3d0s0

  4. coreadm -s /dev/dsk/c2t3d0s0

  5. dumpadm -s /dev/dsk/c2t3d0s0

Answer: C

Question No: 166 – (Topic 2)

You have a stable and mature system that is running out of disk space in the /var file system. You want to avoid the creation of unix.X and vmcore.X files. By default, the system will transfer crash dump information following a panic into unix.X and vmcore.X files when the system reboots. Which command disables this default behavior?

  1. dumpadm -n

  2. dumpadm -y

  3. dumpadm -s

  4. dumpadm -c

Answer: A

Question No: 167 – (Topic 2)

Given the following output from dumpadm on a system with the node name, rabbit:

# dumpadm

Dump content: kernel pages

Dump device: /dev/dsk/c2t3d0s0 (dedicated) Savecore directory: /var/crash/wm13w6 Savecore enabled: no

Which three commands have been executed to accomplish this configuration? (Choose three.)

  1. dumpadm -n

  2. dumpadm -c none

  3. dumpadm -s wm13w6

  4. dumpadm -d c2t3d0s0

  5. dumpadm -d /var/dsk/c2t3d0s0

  6. dumpadm -s /var/crash/wm13w6

Answer: A,E,F

Question No: 168 – (Topic 2)

You have a system used for application development. The process app-rev23, owned by the epiphylla user and running in the global zone, terminates abnormally.

Which two effects can the root user configure? (Choose two.)

  1. the process app-rev23 that produces no core file at all

  2. the process app-rev23 that produces a core file, without the string core appearing anywhere within the file name

  3. the process app-rev23 that produces a global core file that is readable by any user in a global /var/corefiles directory

  4. the process app-rev23 that produces a total of three core files, one in the current directory of the process, one in the home directory for epiphylla, and one in a global

/var/corefiles directory

Answer: A,B

Question No: 169 – (Topic 2)

Given this output from dumpadm:

# dumpadm

Dump content: kernel pages

Dump device: /dev/dsk/c0t0d0s1 (swap) Savecore directory: /var/crash/rabbit Savecore enabled: yes

and these directory contents:

# ls -al /var/crash/rabbit

total 4

drwx— 2 root root 512 Jan 27 10:28 .

drwxr-xr-x 3 root root 512 Jan 27 10:28 ..

Which three files exist in the directory after rebooting following a panic? (Choose three.)

  1. unix.0

  2. unix.X

  3. bounds

  4. vmcore.0

  5. bounds.X

  6. vmcore.X

Answer: B,E,F

Question No: 170 – (Topic 2)

Given the following content for output from coreadm:

# coreadm

global core file pattern: /var/core/core.%f.%p global core file content: all

init core file pattern: core.%f.%p init core file content: default global core dumps: enabled

per-process core dumps: enabled global setid core dumps: disabled

per-process setid core dumps: disabled global core dump logging: enabled

Which three commands are issued to set this configuration? (Choose three.)

  1. coreadm -i core.%f.%p

  2. coreadm -g core.%f.%p -G all

  3. coreadm -e global -e log -G all

  4. coreadm -i /var/core/core.%f.%p

  5. coreadm -g /var/core/core.%f.%p

  6. coreadm -G /var/core/core.%f.%p -g all

Answer: A,C,E

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