Which two statements are true about the IPTables firewall configuration on a Database Machine- Machine after the default Initial deployment?

Question

Options

• AIPTables is configured with Oracle supplied rules on the cells.
• BIPTables is configured with Oracle supplied rules on the database servers.
• CIPTables is installed and available but not configured on any servers.
• DIPTables is installed and available but not configured on the database servers.
• EIPTables is installed and available but not configured on the cells.

• A
  71% (25)
• B
  9% (3)
• C
  17% (6)
• E
  3% (1)

Explanation

A is right. cellwall implements iptable firewall rule on all cell nodes B is wrong. there is no firewall auto configured on DB nodes C is wrong. IPtable configured on cell nodes D is right. IPtable available but not configured auto on db nodes E is wrong. cellwall implements iptable firewall rule on all cell nodes * Oracle Exadata Storage Server Software includes the cellwall service that implements a firewall The service is located in the /etc/init.d/cellwall directory, and implements iptables firewall on the cell. In addition, the SSH server is configured to respond to connection requests only on the management network (NET0), and the InfiniBand network (BONDIB0). * There is no firewall automatically configured for the database servers. Implement a set of iptables on the database servers to meet your network requirements for Oracle Exadata Database Machine. https://docs.oracle.com/cd/E50790_01/doc/doc.121/e50471/security.htm#SAGUG20384

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