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1Z0-100 Exam Dumps - Get 1Z0-100 Dumps PDF [2018]

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1Z0-100 Exam Dumps - Get 1Z0-100 Dumps PDF [2018]

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  1. Oracle 1Z0-100 Exam Oracle Linux 5 and 6 System Administrator QUESTIONS & ANSWERS (Demo Version) Thank You For Downloading 1Z0-100 Exam PDF Demo QuizDumps helps you to prepare Oracle Linux exam. Get most Up-to-Date Oracle 1Z0- 100 exam Questions and Answers and pass the 1Z0-100 exam in the first attempt. Get Full 1Z0-100 Exam PDF Here https://quizdumps.com/exam/1z0-100-dumps/

  2. Question 1 Which two statements are true concerning the installaton and confguraton of the bootloader by the Anaconda installer, which is then used to boot Oracle Linux? A. The Linux Loader (LILO) bootloader may be chosen for installaton. B. The bootloader must be password protected and Anaconda prompts for a password in all cases. C. The Grand Unifed Bootloader (GRUB) is the only bootloader used by Oracle Linux. D. If previously installed operatng systems are found on disk parttons that were not overwriten, then an atempt is made to confgure the bootloader to be able to boot them. E. The bootloader is installed by default in the frst partton of the disk. Aoswern A, E Explanatonn A (not C)n Linux boot process from hard driven 1. PC initaliiion phase - BIOS, POST. 2. PC starts boot loader - usually grub or lilo. 3. The bootloader locates kernel image on the hard drive. 4. The kernel decompresses and loads itself. Once fnished it tries to mount the root flesystem. 5. When the root flesystem is mounted, /sbin/init is executed and contnues bootng the system using initab and /etc/rc*.d scripts Question 2 You want to display the value of a shell variable called service afer assigning a value as shownn SERVICE =ACCT S Which two setngs will display the name of the variable and its value? A. set | grep service B. echo $SERVICE C. env | grep SERVICE D. env $SERVICE E. set $SERVICE Aoswern B, C Explanatonn Cn env - set the environment for command invocaton If no utlity operand is specifed, the resultng environment shall be writen to the standard output, with one name= value pair per line. Question 3 Which statements is true concerning Oracle Linux confguraton fles for users and groups? A. The /etc/passwd fle contains hashed passwords for each user.

  3. B. The /etc/shadow fle contains hashed passwords for each user. C. The GECOS feld in /etc/passwd fle may be empty. D. The /etc/group fle contains the group name and the hashed group password. Aoswern B Explanatonn /etc/shadow fle stores actual password in encrypted (one-way hashed) format for user's account with additonal propertes related to user password i.e. it stores secure user account informaton Question 4 Examine these statements and their output taken right afer successful install of Oracle Linuxn [root@FAROUT /] rpm –q frstboot Firstboot -1.110.10-1.0.2.e16.x86_64 [root @FAROUT /] # chkconfg - - list frstboot Firstboot 0nof 2nof 3nof 4nof 5nof 6;of [root@FAROUT /] # /etc/sysconfg/frstboot RUN_FIRSTBOOT=NO What is the conclusion? A. The opton to run frstboot was deselected during Oracle Linux installaton. B. The system was installed with desktop graphical packages and rebooted and the frstboot utlity ran successful. C. Firstboot never ran in any run level because the service is turned of for all run levels. D. The system was installed without selectng desktop graphical packages, thereby disabling frstboot from running. Aoswern A Explanatonn Firstboot is set to of for all levels. Examplen The rm command below remove or delate the frstboot fle in order to make sure the frstboot program running when we restart or reboot the Fedora machine. [root@fedora ~]# rm /etc/sysconfg/frstboot rmn remove regular fle `/etc/sysconfg/frstboot'? y [root@fedora ~]# Then check and make sure that frstboot program or frstboot service is run when your Fedora startup/boot up. Check frstboot services [root@fedora ~]# chkconfg --list frstboot frstboot 0nof 1nof 2nof 3nof 4nof 5nof 6nof [root@fedora ~]# Question 5

  4. Which three setngs can be controlled by using the chage breemar command as the root user, to modify the parameters in the /etc/shadow fle? A. The expiraton date of the breemar account B. The number of days afer the breemar account is locked, that it becomes expired C. The maximum number of days that must elapse between password changes by the user breemar before the password becomes invalid D. The number of days afer the breemar account is locked, that it becomes unlocked E. The minimum number of days that must elapse between password changes by the user breemar F. The maximum number of failed login atempts on the breemar account before the account is locked Aoswern ACE Explanatonn An chage -E, --expiredate EXPIRE_DATE Set the date or number of days since January 1, 1970 on which the user's account will no longer be accessible. CEn You need to use chage command to setup password aging. The chage command changes the number of days between password changes and the date of the last password change. This informaton is used by the system to determine when a user must change his/her password. Question 6 Examine this extract from the /etc/ssh/sshd_confg flen passwordAuthentcaton no What is the efect of this parameter setngs on the use of openSSH commands on both the client and server? A. Passwords are not required and no ssh-keygen is required either. Only passphrase are required. B. Client users whose keys are not in the authoriied_keys fle on the server are unable to use passwords to authentcate themselves to the server. C. The ssh daemon does not ask for a password before startng or stopping the sshd service. D. Client users whose keys are not in the authoriied_keys fle on the client are unable to use passwords to authentcate themselves to the server. Aoswern B Explanatonn If you set PasswordAuthentcaton to no, you will no longer be able to use a login and password to authentcate and must use a login and public key instead (if PubkeyAuthentcaton is set to yes). Question 7 Which four statements are true about sofware on the Oracle Public YUM server?

  5. A. It contains Oracle Linux installaton ISO images. B. It contains Oracle Linux binary RPM packages. C. It contains Oracle Linux errata packages. D. It contains Oracle Linux source RPM packages. E. It contains beta Oracle Linux sofware packages. F. It does not contain Unbreakable Enterprise Kernel packages. Aoswern B,C,D,F Explanatonn The Oracle public yum server ofers a free and convenient way to install the latest Oracle Linux packages as well as packages from the Oracle VM installaton media via a yum client. Oracle provides all errata and updates for Oracle Linux via the Public Yum service, which includes updates to the base distributon, but does not include Oracle-specifc sofware. Fn By default, all new installatons of Oracle Linux 6 Update 5 are automatcally confgured to use the public yum update service. If you subsequently register the system with ULN, the public yum service is automatcally disabled. Question 8 This MDADM outputn

  6. Which two aspects can be determined from this output? A. A device failed and has been removed from this RAID set. B. It is no longer possible to write to this RAID set. C. Read and write performance is no longer optmal on this RAID set. D. This RAID set was built without a spare device. E. Only Write performance is no longer optmal on this RAID set. Aoswern A, D Question 9 Examine the command on its outputn [root@FAROUT ~] # modprobe –v nfs Insmod /lib/modules/2.6.39-100.0.12.e16uek.x86_64/kernel/fs/nfs_common/nfs_acl.ko /lob/modules/2.6.39- 100.0.12.e16uek.x86_64/kernel/net/sunrpc/auth_gss/auth_rpcgss.ko Insmod /lib/modules/2.6.39-100.0.12.e16uek.x86_64/kernel/fs/fscache/fscache/ko Insmod /lib/modules/2.6.39-100.0.12.e16uek.x86_64/kernel/fs/locked.ko insmod

  7. Insmod /lib/modules/2.6.39-100.0.12.e16uek.x86_64/kernel/fs/nfs/nfs.ko Which two statements are true about the modprobe command? A. It will load the nfs module if all the modules upon which it depends have been loaded. B. It displays the dependency resoluton for the nfs module and loads all the modules upon which nfs depends before loading the nfs module. C. It verifes that the nfs module and all other modules that depend on the nfs module are installed. D. It displays the dependency resoluton that would occur if the nfs module were to be loaded using modprobe nfs. E. It only loads the nfs module if all the modules upon which it depends have not been loaded yet. Aoswern AB Explanatonn Referencen htpn//redhat.actveventure.com/8/customiiatonguide/ch-kernel-modules.html (kernel module utlites) Question 10 What is the main advantage of the Oracle Unbreakable Enterprise Kernel compared with the Red Hat compatble kernel? A. It is more secure and, therefore, more difcult to hack. B. It has a lower Mean Time Between Failures. C. It provides higher availability for applicatons by reducing Mean Time to Recovery. D. It scales beter for more CPUS, memory, and Infniband network connectons. Aoswern D Explanatonn The Unbreakable Enterprise Kernel, for those who want to leverage the latest features from mainline Linux and boost performance and scalability. The Red Hat Compatble Kernel, for those who prefer strict Red Hat kernel ABI (kABI) compatbility.

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