Which three methods might be used to change kernel parameters, thereby modifying the values for running system?

• A.Using the echo command to write values to specific files in the /sys directory
• B.Issuing the sysct1 -w command to write values to specific files in the /proc/sys directory
• C.Issuing the sysct1 -w command to write values to specific files in the /sys directory
• D.Adding to or modifying parameters in /etc/sysct1.conf and issuing the sysct1 -p command
• E.Using the echo command to write values to specific files in the /proc/sys directory

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Examine the routing table:

Which three statements are true concerning the routing of IP packets?

• A.Traffic to 192.168.180.180 is routed via eth1.
• B.Traffic to 192.168.180.240 is routed via eth1.
• C.Traffic to 192.168.0.42 is routed via eth2.
• D.Traffic to 192.168.42.42 is routed via eth2.
• E.Traffic to 192.168.42.42 is routed via eth0.
• F.Traffic to 192.168.180.180 is routed via eth0.

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Which two statements are true about an RPM package? (Choose two.)

• A.a source RPM is machine architecture dependent
• B.a RPM package can contain programs, documentation installation procedures, source files, and metadata about itself
• C.a binary RPM contains compiled programs as well as the source code of these programs
• D.An RPM can be installed from a local filesystem or a remote repository using the rpm command
• E.In general, it is possible to have multiple versions of the same RPM package installed on a single system

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Which statement correctly describes the requisite PAMcontrol flag? (Choose the best answer.)

• A.requisiteflagged modules are ignored if they fail
• B.requisite flagged modules must be successfully checked for authentication to succeed. If a requisite module checks fails, the user is notified immediately with a message reflecting the first failed requiredor requisite module
• C.requisiteitems only play a role when no other modules of that module type have succeeded or failed. In that case, the success or failure of a requisite flagged module determines the overall PAM authentication for that module type
• D.requisite flagged modules must be successfully checked for authentication to succeed. If a requisite module checks fails, the user is not notified until all other modules of the same module's type have been checked

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You installed the sendmail-cf package using the yum command as shown:
# yum -Y install sendmail-cf
Loaded plugins: security
Setting up Install Process
Resolving Dependencies
- -> Running Transaction Check
- - - > Package sendmail-cf.noarch 0:8.14.4-8.e16 will be installed
- - > Processing Dependency: sendmail = 7.14.4-8.e16 for package: sendmail-cf-8.14.4-8.e16.noarch
- - > Running transaction check
- - > Package sendmail.x86_64 0:8.14.4-8.e16 will be installed
- - > Finished Dependency Resolution
Dependency Resolved

What is the outcome of the YUM command?
# yun -y remove sendmail

• A.It removes the sendmail packages and raises a warning about the sendmail-cf package, which depends on the package being removed.
• B.It fails with an error because the sendmail-cf package depends on the package being removed.
• C.It succeeds and removes both the sendmail and sendmail-cf packages.
• D.It removes the sendmail package and prompts you for the option to remove the sendmail-cf package.
• E.It succeeds and only removes the sendmail package.

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