Examcollection offers free demo for 1Z0-821 exam. "Oracle Solaris 11 System Administrator", also known as 1Z0-821 exam, is a Oracle Certification. This set of posts, Passing the Oracle 1Z0-821 exam, will help you answer those questions. The 1Z0-821 Questions & Answers covers all the knowledge points of the real exam. 100% real Oracle 1Z0-821 exams and revised by experts!


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Q61. - (Topic 2) 

You have connected a new printer at a fixed IP address. 

It appears to work correctly most of the time,but at other times does not respond 

You suspect that the assigned address may not be unique within the network. 

What command will be useful to confirm this? 

A. arp 

B. netstat 

C. ipadm show-if 

D. dladm show-addr 

E. ipadm show-addr 

Answer:

Explanation: 

'ipadm show-addr' displays all the configured addresses on the system. 

Example: # ipadm show-addr ADDROBJ TYPE STATE ADDR lo0/v4 static ok 127.0.0.1/8 lo0/v6 static ok ::1/128 


Q62. - (Topic 2) 

Which three Installation option allow for a "hands free" and "unattended'" Installation of the Solaris 11 environment? 

A. Jumpstart 

B. LiveCD 

C. A text Installation over the network 

D. An Automated Installation performed on an x86 client 

E. An Automated Installation using media from a local DVD or USB drive 

F. An Automated Installation using a networked repository 

Answer: D,E,F 

Explanation: 

Oracle Solaris 11 uses Automated Installer (AI) for unattended installations. 

Unattended installations are possible by placing the contents of the AI Image media (or ISO image contents from a download) on an AI server. 


Q63. - (Topic 1) 

You start to execute a program by using the following command: 

~/bigscript & 

You then determine that the process is not behaving as expected,and decide that you need 

to terminate the process. 

Based on the information shown below,what is the process number you should terminate? 

A. 15163 

B. 15156 

C. 15166 

D. 15165 

Answer:

Explanation: 

From the output exhibit we can deduce that the shell has id 15156. 

It has spawned three subprocesses: 

grep: id 15166 

ps –aef 15165 

The remaining 15163 must be the subshell (see note below). 

This is the id of the process which should be terminated. 


Q64. - (Topic 2) 

After installing the OS,you boot the system and notice that the syslogd daemon is not accepting messages from remote systems. 

Which two options should you select to modify the syslogd daemon configuration so that it accepts messages from remote systems? 

A. svccfg -s svc:/system/system -log setprop start/exec= “syslogd -t”Restart the syslogd daemon. 

B. Set the following parameter in the /etc/syslogd.conf file: LOG_FROM_REMOTE= YESRestart the syslogd daemon. 

C. svcadm enable svc:/system/system -log/config/log_from_remoteRestart the syslogd daemon. 

D. svccfg -s svc:/system/system-log setprop config/log_from_remote=trueRestart the syslogd daemon. 

E. Set the following parameter in the /etc/default/syslogd file: LOG_FROM_REMOTE=YESRestart the syslogd daemon. 

Answer: B,D 

Explanation: 

B: The /etc/default/syslogd file contains the following default parameter settings. See FILES. 

LOG_FROM_REMOTE Specifies whether remote messages are logged. LOG_FROM_REMOTE=NO is equivalent to the -t command-line option. The default value for LOG_FROM_REMOTE is YES. 


Q65. - (Topic 2) 

After installing the OS,the following network configuration information is displayed from the system: 

Which option describes the state of this server? 

A. The automatic network configuration option was chosen during the installation of the OS. 

B. The manual network configuration option was chosen during the installation of the OS. 

C. The network was not configured during the installation of the OS. 

D. The network interface is configured with a static IP address. 

Answer:

Explanation: 

Only the loopback addresses are configured. No IP address is configured. 


Q66. - (Topic 2) 

Identify three options that describe the new Oracle Solaris 11 zone features. 

A. There are boot environments for zones. 

B. Administrators can delegate common administration tasks by using RBAC. 

C. Oracle Solaris 11 supports Solaris 8,9,and 10 branded zones. 

D. You can migrate a physical Solaris 10 system and its non-global zones to a solaris10 branded zone running on an Oracle Solaris 11 system. 

E. It is possible to change the host ID of a zone. 

Answer: A,B,D 

Explanation: 

A: The beadm utility includes support for creating and administering non-global zone boot environments. Note: A boot environment is a bootable instance of the Oracle Solaris operating system image plus any other application software packages installed into that image. System administrators can maintain multiple boot environments on their systems,and each boot environment can have different software versions installed. 

B: Role-based access control (RBAC) is a security feature for controlling user access to tasks that would normally be restricted to the root role. By applying security attributes to processes and to users,RBAC can divide up superuser capabilities among several administrators. 


Q67. - (Topic 1) 

A user brian is configured to use the bash shell. His home directory is /export/home/brian,and contains a .profile and a .bashrc file. 

In the -profile,there are these lines: 

genius =ritchie 

export genius 

In the .bashrc us this line: 

genius=kernighan 

In /etc/profile are these lines: 

genius=thompson 

export genius 

When brian logs in and asks for the value of genius,what will he find,and why? 

A. genius will be ritchie,because that was the value exported in .profile. 

B. genius will be kernighan,because .bashrc executes after .profile. 

C. genius will be ritchie because variable settings in .profile take precedence over variable settings in .bashrc. 

D. genius will be ritchie because .profile executes after .bashrc. 

E. genius will be thompson because /etc/profile system settings always override local settings. 

Answer:


Q68. - (Topic 2) 

Your task is to convert a JumpStart sysidcfg file to an Automated Installer (AI) sc_profile.xml file,using js2ai. 

Select two unsupported items that will require changes. 

A. terminal = zterms 

B. name_service-NTS+ 

C. timezone=US/pacific 

D. system_locale=en_US 

E. network_interface=PRIMARY 

F. root_password=rJmvLUXM10cU 

Answer: A,D 

Explanation: 

A: terminal The js2ai tool does not perform any translation. Make sure the terminal type speciied in the sysidcfg ile is supported in Oracle Solaris 11. 

D: system_locale The js2ai tool does not perform any translation. Make sure the locale specified in the sysidcfg ile is supported in Oracle Solaris 11. 


Q69. - (Topic 2) 

The crash dump notification on your server is: 

Documentation states that there should be two core files for each crash dump in the /var/crash directory named vmdump.0 

Which command should you choose to display theses two files? 

A. savecore -f vmdump.0 

B. dumpadm uncompressed 

C. gunzip vmdump.0 

D. dumpadm -z off 

Answer:

Explanation: 

Decompress using savecore -f vmdump.0 

savecore - save a crash dump of the operating system 

-f dumpfile Attempt to save a crash dump from the speci-fied file instead of from the system's current dump device. This option may be use-ful if the information stored on the dump device has been copied to an on-disk file by means of the dd(1M) command. 


Q70. - (Topic 1) 

Which two options are characteristics of a fast reboot? 

A. A fast reboot bypasses grub. 

B. A fast reboot cannot be used after a system panic on the x86 platform. 

C. A fast reboot can only be executed on the SPARC platform when the config/fastreboot_default property for the svc:/system/boot-config:default service is set to true. 

D. A fast reboot uses an in-kernel boot loader to load the kernel into memory. 

E. A fast reboot is the default on all platforms. 

Answer: C,D 

Explanation: 

C: To change the default behavior of the Fast Reboot feature on the SPARC platform,so that a fast reboot is automatically performed when the system reboots,see below. 

The following example shows how to set the property's value to true on the SPARC platform,so that a fast reboot is initiated by default: 

# svccfg -s "system/boot-config:default" setprop config/fastreboot_default=true # svcadm refresh svc:/system/boot-config:default 

D: Fast Reboot implements an in-kernel boot loader that loads the kernel into memory and 

then switches to that kernel. 

The firmware and boot loader processes are bypassed,which enables the system to reboot 

within seconds. 

The Fast Reboot feature is managed by SMF and implemented through a boot configuration service,svc:/system/boot-config. The boot-config service provides a means for setting or changing the default boot configuration parameters. When the config/fastreboot_default property is set to true,the system performs a fast reboot automatically,without the need to use the reboot -f command. This property's value is set to true on the x86 platform. For task-related information,including how to change the default behavior of Fast Reboot on the SPARC platform,see Accelerating the Reboot Process on an x86 Based System. 

Note: One new feature,called Fast Reboot,will allow the system to boot up without doing the routine set of hardware checks,a move that can make system boot times up to two-and-a-half times faster,Oracle claimed. This feature can be handy in that an administrator applying a patch or software update across thousands of Solaris deployments can reboot them all the more quickly.