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2. Question 1 Examine the dtrace command: dtrace –P syscall Which statement is true about this command? A. It enables all probes available in the syscall provider, and produces output. B. It lists all probes available in the syscall provider. C. It returns an error. The command is incomplete. You must specify a probe to enable. D. It enables all probes available in the syscall provider, and produces no output. Aoswern B Explanaton: Reference: htp:::docs.oracle.com:cd:EE1925-0E:8E1-2488:gbxwv:index.html (Example 9-7, probes by provider) Question 2 Examine this extract from :etc:htpd:conf:htpd.conf for virtual hosts: <VirtualHost *:80> ServerAdmin webmaster@suteE.example.com DocumentRoot :www:docs:siteE.example.com ServerName siteE.example.com <:VirtualHost> <VirtualHost *:80> ServerAdmin webmaster@sute9.example.com DocumentRoot :www:docs:site9.example.com ServerName site9.example.com <:VirtualHost> Which three statements are true about the confguraton extract? A. To connect to the website, siteE.example.com must resolve to a diferent IP address than site9.example.com. B. siteE.example.com and site9.example.com can share the sameIP address. C. The web server atempts a DHCP discover to assign one IP address per virtual host. D. It is possible but not mandatory to have unique IP addresses for each virtual host. E. The siteE.example.com virtual host shares and error logs with site9.example.com. Aoswern A, C, E Question 3 Examine the code fragment from :etc:tgt:targets.conf: <target iqn.90E5-05.com.example.mypc:E> backing-store :iSCSIsharedDisk:physDiskE.img write-cache of <:target> <target iqn.90E5-05.com.example.myps:9> backing-store : iSCSIsharedDisk:physDisk9.img

3. initator-address E19.0.9.E02 initator address E19.0.9.E06 write-cache of <:target> <target iqn.90E5-05.com.example.mypc:5> backing-store :iSCSIsharedDisk:physDisk5.img write-cache of <:target> Which statement is true? A. Only the target identfed by the iqn ending with mypc:9 is visible. This target is visible to the specifc clients identfed by the initator address. B. The initator-address syntax in not valid. The address value should be specifed as an iqn, not an IP address. This causes an error, and only iqns ending with mypc:E and mypc:5 are visible. C. All targets are visible to prospectve clients, but the target iqn ending with mypc:9 is visible exclusively to the specifed IP addresses. D. The initator-address syntax is not valid. The address value must be specifed as an iqn, not an IP address. The initator-address parameters are ignored and all targets are visible without restricton. Aoswern B Question 4 Which three statements are true about an RPM SPEC fle? A. It is mandatory for building a binary RPM using rpmbuild. B. It is a Shell script that can be used to build a binary RPM. C. It contains metadata that will be part of a binary RPM. D. It contains metadata and helper scripts that are required during the build process of a binary RPM. Aoswern A, B, D Explanaton: Reference: htp:::www.thegeekstuf.com:90E2:09:rpm-build-package- example:?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%5A+TheGeekStuf+(The +Geek+Stuf) Question 5 Examine the parameters shown using the sysctl command relatng to panic situatons: [root@WAYOUT etc]# sysctl –a |grep panic |grep –v hung kernel.panic = 0 kernel.panic_on_oops = 0 kernel.soflockup_panic = 0 kernel.unknown_nmi_panic = 0 kernel.panic_on_unrecovered_nmi = 0 kernel.panic_on_io_nmi = 0 kernel.panic_on_oom = 9 [root@WAYOUT etc]# sysctl –a |grep hung kernel.hung_task_panic = 0 kernel.hung_task_chek_count – 4E14504

4. kernel.hung_task_tmeout_secs = E90 kernel.hung_task_warnings = E0 Which two statements are true about system behavior? 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 E90 seconds. C. The kernel atempts to contnue if a bug is encountered. D. The kernel always panics if an out-of-memory conditon arises. E. The kernel tries to kill some memory-consuming processes to avoid a panic if an out-of-memory conditon arises. F. The kernel panics if a user thread sleeps in the TASK_UNINTERRUPTABLE state for more than E90 seconds. Aoswern B, F Question 6 Which two optons prevent unauthorized access to the named service from the rndc utlity on Oracle Linux? A. running rndc-confgen –a to generate a key that can be used by both the named service and the rndc utlity B. running rndc-confgen –a to generate a key that can be used only by the named service C. running rndc –k :etc:rndc.key to generate a key to be used only by the rndc utlity D. the presence of :etc:named.conf with the line include “:etc:rndc.key”; to allow the named service to check for a matching key from the rndc utlity Aoswern A, D Explanaton: Reference: htp:::www.oracle.com:us:technologies:linux:suse-linux-to-oracle-linux-wp-E8187E0.pdf (page 41) Question 7 Afer creatng empty mount point :xfsE, you execute the command: # mkfs –t xfs –L :xfsE –l logdev=:dev:sddE :dev:sdhE Which two statements are true about the efects of executng the mkfs command? A. It fails if there is an existng XFS fle system on :dev:sdhE. B. It fails if there is an existng XFS log on :dev:sddE. C. It fails if there is an existng XFS fle system on :dev:sddE. D. It fails because there is no size specifed for the XFS log. E. The xfsE fle system is mounted automatcally during system startup. F. It creates and mounts the :xfsE fle system. Aoswern D, F Question 8

5. Examine the contents of :etc:mail:access: Connect:localhost.localdomain Connect: localhost Connect:E97.0.0.E This system is to be used as an MTA or mail gateway for the local LAN network address E19.E68.E.0:94. Which two actons allow this mail host to route email for the network? RELAY RELAY RELAY A. Run sendmail again; and the updated fle can be accessed automatcally. B. Add this line to :etc:mail:access: To:E19.E68.E RELAY C. Add this line to :etc:mail:access: Connect:E19.E68.E RELAY D. Add this line to :etc:mail:access: From:E19.E68.E.0 RELAY E. Rebuild the access database fle afer the source fles have been modifed. Restartng the sendmail service automatcally rebuilds the maps. Aoswern D, E Question 9 Which two statements are true about recursive nameservers that are supported by Oracle Linux? A. They may be authoritatve. B. They may forward requests to authoritatve name servers on some occasions. C. They may be primary nameservers. D. They cache replies from previous name resoluton requests. E. They may be secondary nameservers. Aoswern B, C Question 10 What is functon of the System Security Service Daemon (SSSD)? A. It permits single-user accounts by maintaining credentals for back-end systems on behalf of local users. B. It enables fngerprint reader support for Kerberos clients. C. It enables Smart Card Authentcaton for Kerberos clients. D. It permits Kerberos authentcaton to be done ofine by caching user identtes. Aoswern A

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