Oracle Exam 1Z0-485 Topic 1 Question 3 Discussion

There are total two category of network switches used to prepare computing environment inside the rack.

* InfiniBand Switches - two models used depending on requirements

Sun Oracle 36-port InfiniBand Switch

Sun Oracle InfiniBand Gateway Switch

* Ethernet Switch - primarily for management purposes

Cisco Catalyst 4948

Common information that applies to both of these InfiniBand switches

Form Factor: One rack unit (1U) height

Power Supplies: Two

Cooling Fans: Five

IB Subnet Management: Yes

Firmware Upgradeable: Yes

Command Line Access: Yes. Via ssh and usb-serial access

Web Based Management: Yes

SNMP Access: Yes

As you might have figured out by now that the IB Gateway switch is almost like a super set of 36-port switch in terms of features and capabilities.

Incorrect:

Not E: Since the Exadata hardware cannot be modified, it is not supported to add HBA cards to any of the Exadata servers. It is supported to present storage via the network ports on the database servers via NFS or iSCSI, although Fibre Channel over Ethernet (FCoE) is not supported.