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Oracle Solaris 11 System Administration

Question No: 91 – (Topic 1)

To confirm the IP addresses and netmasks have been correctly configured on the network interfaces,which command(s) should you use?

  1. ipadm show-if

  2. ipadm show-nic

  3. ipadm show-addr

  4. ipadm show-addr ipadm show-mask

  5. ipadm show-ip ipadm show-mask

  6. ipadm show-config

Answer: C Explanation:

Show address information,either for the given addrobj or all the address objects configured on the specified interface,including the address objects that are only in the persistent configuration.

Example:

# ipadm show-addr

ADDROBJ TYPE STATE ADDR

lo0/v4 static ok 127.0.0.1/8 lo0/v6 static ok ::1/128

Question No: 92 – (Topic 1)

In order to display the IP addresses of network interfaces,what command would you use?

  1. dladm

  2. ipconfig

  3. sves

  4. ipadm

  5. ipaddr

Answer: D Explanation:

#39;ipadm show-addr#39; 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

Question No: 93 – (Topic 1)

dbzone is currently running on your server.

Which two methods would you use to safely and cleanly shut down dbzone and all of its applications?

  1. zlogin -z dbzone halt

  2. zoneadm -z dbzone shutdown -i0

  3. zoneadm -z dbzone shutdown

  4. zoneadm -z dbzone halt

  5. zlogin dbzone shutdown -i0

    Answer: D,E Explanation:

    D: zoneadm halt command halts the specified zones. halt bypasses running the shutdown scripts inside the zone. It also removes run time resources of the zone.

    E: Use: zlogin zone shutdown

    to cleanly shutdown the zone by running the shutdown scripts.

    Use this procedure to cleanly shut down a zone.

    1. Become superuser,or assume the Primary Administrator role.

    2. Log in to the zone to be shut down,for example,my-zone,and specify shutdown as the name of the utility and init 0 as the state global# zlogin my-zone shutdown -y -g0 -i 0

      Question No: 94 – (Topic 1)

      Given:

      file1 and file2 are text files. dir1 and dir2 are directories.

      Which two commands will be successful?

      1. cp dir1 dir1

      2. cp dir1 file1

      3. cp file? dir1

      4. cp file. dir1

      5. cp file% dir2

      6. cp file1 file2 dir1

Answer: C,F Explanation:

C: Here the wildcard character ? is used (Matches any single character). file1 and file2 will be copied into dir1

F: the two files file1 and file2 are copied into directoy dir1. Note: cp – copy files and directories

Copy SOURCE to DEST,or multiple SOURCE(s) to DIRECTORY.

Cp has three principal modes of operation. These modes are inferred from the type and count of arguments presented to the program upon invocation.

  • When the program has two arguments of path names to files,the program copies the

    contents of the first file to the second file,creating the second file if necessary.

  • When the program has one or more arguments of path names of files and following those an argument of a path to a directory,then the program copies each source file to the destination directory,creating any files not already existing.

  • When the program#39;s arguments are the path names to two directories,cp copies all files in the source directory to the destination directory,creating any files or directories needed.

This mode of operation requires an additional option flag,typically r,to indicate the recursive copying of directories. If the destination directory already exists,the source is copied into the destination,while a new directory is created if the destination does not exist.

Question No: 95 – (Topic 1)

Review the storage pool information:

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Choose the correct procedure to repair this storage pool.

  1. Shut the system down,replace disk c3t3d0,and boot the system. When the system is booted,execute the zpool clear pool1 command.

  2. Shut the system down,replace disk c3t3d0,and boot the system. When the system is booted execute the zpool online pool1 command.

  3. Shut the system down,replace disk c3t3d0,and boot the system. When the system is booted,execute the zpool replace pool1 c3t3d0 command.

  4. Shut the system down,replace disk c3t3d0,and boot the system. When the system is booted,execute the zpool replace pool1 c3t3d0 c3t3d0 command.

Answer: C Explanation:

You might need to replace a disk in the root pool for the following reasons:

The root pool is too small and you want to replace it with a larger disk

The root pool disk is failing. In a non-redundant pool,if the disk is failing so that the system won#39;t boot,you#39;ll need to boot from an alternate media,such as a CD or the network,before you replace the root pool disk.

In a mirrored root pool configuration,you might be able to attempt a disk replacement without having to boot from alternate media. You can replace a failed disk by using the zpool replace command.

Some hardware requires that you offline and unconfigure a disk before attempting the zpool replace operation to replace a failed disk.

For example:

# zpool offline rpool c1t0d0s0

# cfgadm -c unconfigure c1::dsk/c1t0d0

lt;Physically remove failed disk c1t0d0gt;

lt;Physically insert replacement disk c1t0d0gt;

# cfgadm -c configure c1::dsk/c1t0d0

# zpool replace rpool c1t0d0s0

# zpool online rpool c1t0d0s0

# zpool status rpool

lt;Let disk resilver before installing the boot blocksgt;

SPARC# installboot -F zfs /usr/platform/`uname -i`/lib/fs/zfs/bootblk /dev/rdsk/c1t0d0s0 x86# installgrub /boot/grub/stage1 /boot/grub/stage2 /dev/rdsk/c1t9d0s0

Question No: 96 – (Topic 1)

You are having an issue with the shutdown command. You wish to determine if the file is a script or an executable program. Which command would you use to determine this?

  1. od shutdown

  2. file shutdown

  3. test shutdown

  4. cksum shutdown

  5. attrib shutdown

Answer: B Explanation:

The file command determines the file type file tests each argument in an attempt to classify it. There are three sets of tests,performed in this order: filesystem tests,magic tests,and language tests. The first test that succeeds causes the file type to be printed.

Question No: 97 – (Topic 1)

You have a ticket from a new user on the system,indicating that he cannot log in to his account. The information in the ticket gives you both the username and password. The ticket also shows that the account was set up three days ago.

As root,you switch users to this account with the following command: su – newuser

You do not get an error message.

You then run 1s -1a and see the following files:

local1.cshrc local1.login local1.profile .bash_history .bashrc .profile

As root,you grep the /etc/passwd file and the /etc/shadow file for this username,with these results:

/etc/passwd contains newuser:x:60012:10:/home/newuser:/usr/bin/bash

/etc/shadow contains newuser:UP: : : : :10: : As root,what is your next logical step?

  1. Usermod -f 0

  2. passwd newuser

  3. mkdir /home/newuser

  4. useradd -D

Answer: B Explanation:

The content of the /etc/shadow document indicates that the newuser account has no password.

We need to add a password.

The passwd utility is used to update user#39;s authentication token(s). D: Here the user account already exist. There is no need to create it.

When invoked without the -D option,the useradd command creates a new user account using the values specified on the command line plus the default values from the system. Depending on command line options,the useradd command will update system files and may also create the new user#39;s home directory and copy initial files.

Question No: 98 – (Topic 1)

Consider the following commands:

What is displayed when this sequence of commands is executed using the bash shell?

  1. Hello,world

  2. cat: cannot open file1

  3. cat: cannot open file1Hello,world

  4. cat: cannot open file1 Hello,World

  5. bash: syntax error near unexpected token #39;amp;amp;#39;

Answer: B Explanation:

First line (rm file1) deletes/removes file1. Second line captures the text into file2.

The first part of line 3 (cat file1) fails as the file1 does not exist.

The amp;amp; (AND) operator will ensure that the third line fails. The result of line 3 will be the result of first part of line 3 (cat file1).

Note: cat – concatenate files and print on the standard output

Note #1: A list is a sequence of one or more pipelines separated by one of the operators ‘;’,’amp;’,’amp;amp;’,or ‘||’,and optionally terminated by one of ‘;’,’amp;’,or a newline.

Of these list operators,’amp;amp;’ and ‘||’ have equal precedence,followed by ‘;’ and ‘amp;’,which have equal precedence.

AND and OR lists are sequences of one or more pipelines separated by the control operators ‘amp;amp;’ and ‘||’,respectively. AND and OR lists are executed with left associativity.

An AND list has the form command1 amp;amp; command2

command2 is executed if,and only if,command1 returns an exit status of zero.

An OR list has the form command1 || command2

command2 is executed if,and only if,command1 returns a non-zero exit status.

The return status of AND and OR lists is the exit status of the last command executed in the list.

Note #2 (on exit status): Zero means command executed successfully,if exit status returns non-zero value then your command failed to execute.

Question No: 99 – (Topic 1)

You are installing the Solaris 11 OE by using the Interactive Text Installer. You have selected the option to automatically configure the primary network controller. Which three items will automatically be configured as a result of this selection?

  1. The IP address.

  2. The name service.

  3. The time zone.

  4. A default user account.

  5. The terminal type.

  6. The root password.

  7. The host name.

Answer: A,B,C Explanation:

IP address and name service (such as a DNS server) are provided by the DHCP server.

Question No: 100 – (Topic 1)

Which two options are characteristics of a fast reboot?

  1. A fast reboot bypasses grub.

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

  3. 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.

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

  5. 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#39;s value to true on the SPARC platform,so that a fast reboot is initiated by default:

# svccfg -s quot;system/boot-config:defaultquot; 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#39;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.

Topic 2, Volume B

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