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IBM C9510-418 Exam Practice Questions (P. 4)

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Question #16
Which of the following is required for Secure Sockets Layer (SSL) enablement within an HTTP server?
  1. A
    A JDK
  2. B
    A valid, issued certificate
  3. C
    IPv6 (Internet Protocol Version 6)
  4. D
    Updating the https.conf file and not the httpd.conf file

Correct Answer:
B
The iKeyman GUI, which is included within the IBM HTTP Server distribution, can be used to create a key database file (for example: key.kdb) needed to store personal server certificates required by the client browser during an SSL handshake.
Incorrect Answers:
D: Enable SSL directives within the IBM HTTP Server's configuration file (httpd.conf)
Reference:
https://www-01.ibm.com/support/docview.wss?uid=swg21179559#step3

Question #17
What data source property can an administrator configure to minimize the chances of encountering StaleConnectionExceptions?
  1. A
    Minimum connections = 0
  2. B
    Reap Timeout < Unused Timeout
  3. C
    Purge Policy = FailingConnectionOnly
  4. D
    Unused Timeout > Half firewall timeout

Correct Answer:
A
The configuration options below help minimize the chances of encountering StaleConnectionExceptions by helping to ensure that your WebSphere Application
Server maintains control of database connections, specifically, the only one closing them, rather than other components in your network:
The datasource MIN connections should be set to 0. By setting a MIN > 0, you are telling the application server that this number of connections will be valid for the life of the application server JVM. Unless you can guarantee the MIN number of connections will never be timed out or dropped, setting a MIN will cause a
StaleConnectionException when the connection becomes invalid.
Reference:
https://www.ibm.com/developerworks/community/blogs/aimsupport/entry/websphere_application_server_staleconnectionexceptions?lang=en

Question #18
Which is true about software repositories for IBM Installation Manager?
  1. A
    Repositories must be local.
  2. B
    Repositories must be online.
  3. C
    Repositories can be either local or online.
  4. D
    Repositories are only in the media package.

Correct Answer:
C
IBM Installation Manager is a single installation program that can use remote or local software repositories to install, modify, or update certain IBM products. It determines and shows available packages, checks prerequisites and interdependencies, and installs or modifies the selected packages. You also use IBM
Installation Manager to uninstall the packages that it installed.
Reference:
http://www-01.ibm.com/support/docview.wss?uid=swg24023498

Question #19
What is one way to determine if administrative security for IBM WebSphere Application Server is disabled when logging into the Integrated Solutions Console?
  1. A
    A user is not forced to use HTTPS (SSL).
  2. B
    An administrator is allowed to type any random password.
  3. C
    An administrator is prompted for user name, but not password.
  4. D
    When the username wasadmin is used to log in, the password used is the default "password".

Correct Answer:
C
Congratulations! You have successfully manually disabled Global Security for your IBM WebSphere Application Server instance. You should now be able to access the WAS Integrated Solutions Console (ISC) without having to specify a password.
Reference:
http://www-01.ibm.com/support/docview.wss?uid=nas8N1012744

Question #20
An administrator needs to resolve port conflicts after creating a managed node using the Profile Management Tool.
Which supported method can be used to resolve the port conflicts?
  1. A
    Edit serverindex.xml.
  2. B
    Use updatePorts.ant.
  3. C
    Use Profile Port Checker tool and set ports.
  4. D
    Use manageProfile tool and set port range on the profile.

Correct Answer:
B
If you discover ports conflicts, then you can reassign ports manually. To reassign ports, run the updatePorts.ant file by using the ws_ant script.
Reference:
https://www.ibm.com/support/knowledgecenter/en/SSEQTP_8.5.5/com.ibm.websphere.base.doc/ae/tpro_instancessaappserv.html

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