Oracle Linux 6 Implementation Essentials Set 1

1.

Which rpm command can be used to find the package that owns the /etc/rsyslog.conf file?

rpm rpm rpm rpm

2.

On your Oracle Linux 6 system, you have to configure the eth0 network interface to 100 MB/sec, half duplex without trying to autonegotiate. Which command will help you configure this requirement?

# ifconfig eth0 speed 100 autoneg off duplex half # ethtool interface eth0 speed 100 autoneg off duplex half # ifconfig interface eth0 speed 100 autoneg off duplex half # ethtool

3.

DTrace is being ported from Solaris to Oracle Linux. Which three statements are true for the DTrace tool?

DTrace allows static and dynamic tracing of your applications and your kernel. DTrace tool is used to compile debug kernel modules and device drivers DTrace allows you to dynamically define probe points on the fly. DTrace probes and probe points are usually defined by the user using scripts written in a language called D. DTrace tool is based on the strace Linux tool and includes both user and kernel strace features.

4.

Identify the option with two files that are found in the /etc/sysconfig directory.

/etc/sysconfig/autofs and/etc/sysconfig/authconfig /etc/sysconfig/ifcfg-eth0 and/etc/sysconfig/atd /etc/sysconfig/resolv.conf and/etc/sysconfig/network /etc/sysconfig/resolv.conf and/etc/sysconfig/grub.conf

5.

Which two options can be completed when using the Firewall Configuration Tool, system

Write complex firewall rules for checking, logging, and rejecting inbound and outbound connections Enabling or disabling the firewall entirely Build a filter to obfuscate sensitive data (national ID numbers, Credit Cards, and so on) Select the services that have access to the network resource

6.

Identify the Oracle-supported source for obtaining Oracle Linux

From any good Linux distribution From Oracle's eDelivery software delivery cloud From Oracle Metalink Support From Linux vendors such as Red Hat or SUSE From Anaconda Installer

7.

View the output below. As oracle user, you run the following command on your Oracle Linux 6 system: [oracle@dbhost ~ ] $ [oracle@dbhost ~] $ nice - - 10 ./myscript.sh & [1] 2735 [oracle@dbhost ~] $ nice: cannot set niceness: permission denied Why is the nice command failing?

Shell scripts cannot be assigned a negative nice value. There is already another process running with same niceness value on this system. A negative nice value can be set by the root user. A nice value of -10 is not the permissible niceness range.

8.

You have to mount the Oracle Linux ISO image file OracleLinux

# mount OracleLinux # mount # mount /dvd/OracleLinux -R6 -U2- Server=X86_64-dvd.iso /media/cdrom/OracleLinux-R6-UI-Server-X86_64-dvd.iso # mount

9.

You have to find the default runlevel of your Oracle Linux system. Which file will help you find this information?

/boot/grub/grub.conf /etc/inittab /etc/rc.d/rc.sysinit /etc/rc.local /etc/rc.d/init.d

10.

Examine the following commands: # groupadd project # mkdir /usr/share/project # chown

Any new file created in the /usr/share/project folder by user scott will not be possible for foo to modify it. All members of the project group need the administrator's help to change the file permission every time users write new files in the /usr/share/project folder. Files created by all members of the project group in the /usr/share/project folder will get the same group permission as the folder itself. The chmod command can only take a three-digit argument.

Oracle Linux 6 Implementation Essentials Set 1

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Oracle Linux 6 Implementation Essentials Set 1

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