A customer reports Fibre Channel login requests to a Cisco MDS 9000 Series Switch from an unauthorized source. The customer requires a feature that will allow all devices already logged in and learned to be added to the Fibre Channel active database. Which two features must be enabled to accomplish this goal?(Choose two.)
Answer(s): A,C
By default, the port security feature is not activated in any switch in the Cisco MDS 9000 Family.By activating the port security feature, the following apply:* Auto-learning is also automatically enabled, which means:- From this point, auto-learning happens only for the devices or interfaces that were not logged into the switch.- You cannot activate the database until you disable auto-learning.* All the devices that are already logged in are learned and are added to the active database.* All entries in the configured database are copied to the active database.After the database is activated, subsequent device login is subject to the activated port bound WWN pairs, excluding the auto-learned entries. You must disable auto-learning before the auto-learned entries become activated.When you activate the port security feature, auto-learning is also automatically enabled. You can choose to activate the port security feature and disable auto- learning.
https://www.cisco.com/en/US/docs/storage/san_switches/mds9000/sw/rel_3_x/configuration/guides/fm_3_3_1/psec.html
A network engineer must prevent data corruption due to cross fabric communication in an FCoE environment. Which configuration must be applied to the CiscoNexus Unified Switches to achieve this objective?
Answer(s): C
You can prevent data corruption due to cross-fabric talk by configuring an FC-Map that identifies the Fibre Channel fabric for this switch. When the FC-Map is configured, the switch discards the MAC addresses that are not part of the current fabric. An FCF can assign Fabric Provide MAC Addresses (FPMA) to the CNAs consisting of the FC-Map Value for the Fabric and the Fibre Channel ID (FCID) assigned during Fabric Login switch# switchto vdc fcoe type storage fcoe# configure terminal fcoe(config)# fcoe fcmap 0x0efc2a
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/fcoe/521n11/b_5k_FCoE_Config_521N11/configuring_fcoe.html
Which NFS version uses the TCP protocol and needs only one IP port to run the service?
Answer(s): D
One big advantage of NFSv4 over its predecessors is that only one UDP or TCP port, 2049, is used to run the service, which simplifies using the protocol across firewalls.
https://en.wikipedia.org/wiki/Network_File_System
Refer to the exhibit. A network engineer created a new role to be assigned to the SAN users. The requirement is for users to have these characteristics:* permitted to show access to the system, SNMP, module, and hardware information.* permitted to run debug zone and exec fcping commands.* restricted from accessing show feature environment command.Which configuration set meets these requirements?
Answer(s): A
https://www.cisco.com/en/US/docs/storage/san_switches/mds9000/sw/rel_2_x/san-os/configuration/guide/cfgur.pdf
What is a characteristic of the NFS protocol?
When a client wants to perform some type of action on a file on a particular machine, it uses RPC to make a call to the NFS server on that machine. The server accepts the request and performs the action required, then returns a result code and possibly data back to the client, depending on the request. The result code indicates if the action was successful. If it was, the client can assume that whatever it asked to be done was completed. For example, in the case of writing data, the client can assume the data has been successfully written to long-term storage.NFS can operate over any transport mechanism that has a valid RPC implementation at the session layer.
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