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Oracle Solaris 11 Advanced System Administration

Question No: 21

Yon are testing the connectivity between an Oracle Solaris 11 system and a local IPS server that has the host name of mercury within the domain purple.com.

The command ping mercury indicates the sever is alive.

The URI http://mercury.purple.com produces the error: Firefox can’t find the server at mercury.purple.com

Yon enter the command svcprop -p config network/dns/client Which two can be verified?

  1. the domain name of the local system

  2. the name service switch configuration

  3. the IP address of the IPS server

  4. the IP address of the DNS server

  5. the IP address of the local system

  6. the host name of the local system

Answer: A,D

Explanation: Example. Displaying Administratively Customized Properties (here only admin layer is displayed with -l)

The following command uses SMF layers to display administratively customized properties. example% svcprop -p config -l admin svc:/network/dns/client

(A) config/domain astring admin my.domain.com

(D) config/nameserver net_address admin 10.22.33.44 10.44.33.11

Note:

  • config/nameserver refers to the Solaris DNS server.

  • / The nameserver keyword specifies DNS servers to query using IP address. Example:

    The /etc/resolv.conf file contains configuration directives for the DNS resolver. The following resolv.conf example shows two name servers and three search suffixes:

    domain nj.bigcorporation.com nameserver 192.168.10.11

    nameserver 192.168.20.88

    * The svcprop utility prints values of properties in the service configuration repository. Properties are selected by -p options and the operands

    Question No: 22

    You are configuring a system on your network that was installed using LiveCD. You configured applied a static IP address to the system. You now need to configure a default router. Assume that name services are file based and the router’s IP address is 172.31.10.1.

    Which two methods should you use to configure a default route on this Oracle Solaris 11 system?

    1. svccfg -s network/physical setprop config/defroute=172.31.10.1;svcadm refresh network/physical; svcadm restart network/physical

    2. svccfg -s routing/route setprop config/defroute=172.31.10.1;svcadm refresh routing/route; svcadm restart routing/route

    3. Add the IP address to the /etc/defaultrouter file and run route add default 172.31.10.1.

    4. netadm modify -p ncp DefaultFixed set-prop -p defroute=172.31.10.1

    5. ipadm set-prop -p defaultrouter=172.31.10.1

    Answer: C

    Explanation: * AI Server Software Requirements include: Default router

    Ensure that your AI server has a default route set by using the netstat command to show network status. If your AI server does not have a default route set, you can set a static default route by populating the /etc/defaultrouter file with the IP address of a static default route for your server#39;s network.

    • For any currently active NCP (fixed or reactive), use the route command with the -p option to persistently add a route:

      # route -p add default ip-address

      Because this command applies the specified route to the currently active NCP, the default route is removed and potentially replaced, if the active NCP changes.

      Incorrect:

      Not A, Not B: The svccfg command manipulates data in the service configuration repository. svccfg can be invoked interactively, with an individual subcommand, or by specifying a command file that contains a series of subcommands.

      Question No: 23

      You are about to configure an AI server and you need to determine if NWAM is configured, if the system has a manually configured IP interface. Which command gives you this information?

      1. nscfg list

      2. netadm list

      3. netcfg list

      4. svcs network/physical

      Answer: B

      Question No: 24

      How do you add a test address to an IPMP group?

      1. Use ipadm create-addr to add the address to a member interface.

      2. Use ipadm create-addr to add the address to the IPMP interface.

      3. Use ipadm create-ip to add an address to a member interface.

      4. Use ipadm create-ip to add an address to the IPMP interface.

      Answer: A

      Question No: 25

      You decide to create a new rights profile to include a selection of Solaris authorizations and commands. The commands in your selection will require extra privileges.

      Which two files will you modify to add these privileges and authorizations?

      1. /etc/user_attr

      2. /etc/security/auth_attr

      3. /etc/security/prof_attr

      4. /etc/security/exec_attr

      5. /etc/security/prof_attr.d/core-os

      6. /etc/security/auth_attr.d/core-os

      Answer: A,C

      Explanation: Rights profiles – The user_attr, prof_attr, and exec_attr databases are now read-only. These local files databases are assembled from fragments that are located in

      /etc/user_attr.d, /etc/security/prof_attr.d, and /etc/security/exec_attr.d.

      The fragment files are not merged into a single version of the file, but left as fragments. This change enables packages to deliver complete or partial RBAC profiles. Entries that are added to the local files repository with the useradd and profiles commands are added to the local-entries file in the fragment directory.

      Question No: 26

      The zfs holds command displays the following information:

      Ensurepass 2017 PDF and VCE

      Which two statements are true?

      1. Use zfs destroy -d pool12/data@nov to destroy the snapshot immediately.

      2. Attempts to destroy the snapshot using zfs destroy pool12/data@nov will fail.

      3. Attempts to destroy the pool12/data@nov snapshot will not destroy the snapshot immediately.

      4. The zfs directory -R pool12/data command will destroy the file system immediately.

      5. The defer_destroy property is set to on for the pool12/data@nov data set.

      6. The userrefs property is set to 1 (or higher) for the pool12/data@nov data set.

      Answer: B,E

      Explanation: * Use the zfs holds command to display a list of held snapshots.

    • Holding a snapshot prevents it from being destroyed (B). In addition, this feature allows a snapshot with clones to be deleted pending the removal of the last clone by using the zfs destroy -d command. Each snapshot has an associated user-reference count, which is initialized to zero. This count increases by one whenever a hold is put on a snapshot and decreases by one whenever a hold is released.

      Note:

    • Example:

      # zfs holds tank/home@now NAME TAG TIMESTAMP

      tank/home@now keep Thu Jul 15 11:25:39 2010

    • You can use the zfs release command to release a hold on a snapshot or set of snapshots.

      If the snapshot is released, the snapshot can be destroyed by using the zfs destroy command.

    • Two new properties identify snapshot hold information:

    The defer_destroy property is on if the snapshot has been marked for deferred destruction by using the zfs destroy -d command. Otherwise, the property is off.

    The userrefs property is set to the number of holds on this snapshot, also referred to as the user-reference count.

    Question No: 27

    Your organization uses a fixed base configuration for all Oracle Solaris native brand zones that are created. You want to configure your server so that it will use your company template when the create command is issued. Identify the preferred way to accomplish this.

    1. Change the /etc/zones/SYSblank.xml link to link to your company template and use create -b.

    2. Set the default_template property in the system/zones service to your company template.

    3. Change the /etc/zones/SYSsolaris.xml link to link to your company template.

    4. Set the zone_default_template parameter in the /etc/default/zones file.

    Answer: B

    Explanation: create uses a default template of SYSdefault. The default template can be changed on a system-wide basis using the default_template SMF property of the svc:/system/zones:default service.

    Note:

    create [-F] [ -a path |-b | -t template]

    Create an in-memory configuration for the specified zone. Use create to begin to configure a new zone

    Question No: 28

    By default, which directory does the audit_binfile plug-in write log files in, and what is the maximum size of each log file?

    1. /var/adm/audit, 100 MB

    2. /var/audit, 100 MB

    3. /var/adm, no limit

    4. /var/audit, no limit

    5. /var/adm/audit, 16 EB

    Answer: D

    Explanation: * The following directives cause audit_binfile.so to be loaded, specify the directories for writing audit logs, and specify the percentage of required free space per directory.

    auditconfig -setplugin audit_binfile active \ quot;p_dir=/var/audit/jedgar/eggplant,/var/audit/jedgar.aux/eggplant,

    /var/audit/global/eggplant;p_minfree=20;p_fsize=4.5GBquot;

    * The attributes specifying the configuration of audit_binfile plugin include:

    p_dir

    dir1[,dir2],.. [,dirn]

    A list of directories, where the audit files will be created. Any valid writable directory can be specified.

    p_fsize

    The p_fsize attribute defines the maximum size that an audit file can become before it is automatically closed and a new audit file is opened. This is equivalent to an administrator issuing an audit -ncommand when the audit file size equals the value specified by the administrator. The default size is zero (0), which allows the file to grow without bound.

    Question No: 29

    You capped the physical memory for the testzone at 50M. Which option would temporary increase the cap to 100M?

    1. rctladm -z testzone zone.capped-memory=100M

    2. rcapadm -z testzone -m 100M

    3. rcapadm -z testzone zone.capped-memory=100M

    4. prctl testzone -m 100M

      Answer: B

      Explanation: How to Specify a Temporary Resource Cap for a Zone

      This procedure is use to allocate the maximum amount of memory that can be consumed by a specified zone. This value lasts only until the next reboot. To set a persistent cap, use the zonecfg command.

      1. Become superuser, or assume a role that includes the Process Management profile. The System Administrator role includes the Process Management profile.

      2. Set a maximum memory value of 512 Mbytes for the zone my-zone.

        # rcapadm -z testzone -m 512M

        Question No: 30

        You are using AI to install a now operating system. You add the following information to the AI manifest:

        lt;configuration type=”zone” name=”dbzone source=”http://sysA.example.com/zone_cfg/zone.cfg”/gt;

        Which statement is true regarding the zone.cfg file?

        1. It is a text file in a zonecfg configuration format.

        2. It is an AI manifest that specifies how the zone is to be installed.

        3. It is an XML file in a form suitable for use as a command script file for the zonecfg command.

        4. It is an profile with keywords that are specific for configuring a zone as part of the installation

        5. It is an XML file that specifies the zonename, zonepath, and other zonecfg parameters.

    Answer: A

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