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Free 350-601 Exam Braindumps (page: 11)

Page 11 of 132
PDF with 521 Questions

Refer to the exhibit. Cisco Fabric Services is enabled in the network. Which type of IP address is used by the Cisco Fabric Services protocol?

  1. IPv4 multicast address
  2. IPv4 unicast address
  3. IPv4 gateway address
  4. IPv4 anycast address

Answer(s): A

Explanation:


Reference:

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/configuration/guide/fm/FabricManager/cfs.pdf



Refer to the exhibit. A network engineer plans to upgrade the current software images of a Cisco Nexus switch. What is the impact of starting the EPLD upgrade?

  1. The switch reboots one time for the new EPLD versions to take effect.
  2. The switch reboots multiple times for the new EPLD versions to take effect.
  3. The switch skips the EPLD upgrade for each EPLD device of the switch.
  4. The switch skips the EPLD upgrade for MIFPGA and proceeds with the other EPLD devices.

Answer(s): C

Explanation:

Determining Whether to Upgrade EPLD Images
EPLD image number, you can skip the upgrade.
To determine the EPLD upgrades needed for a Cisco Nexus 3000 Series switch, use the show install impact epld bootflash: command on that switch and indicate the n9000-epld.9.2.4 image. In the following example, the MIFPGA, and IOFPGA EPLD images do not need to be upgraded.


Reference:

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/92x/epld-rn/nxos_n9K_epldRN_924.html



Which behavior defines streaming telemetry as a push model in Cisco devices?

  1. Events and network changes generate telemetry data
  2. Monitoring clients are pulling data from the network to see real-time statistics
  3. JSON encoded telemetry data is transported using the gRPC protocol
  4. The network devices send data in JSON or GPB format to configure endpoints

Answer(s): A

Explanation:

Encoder -
Data that is streamed from a router can be encoded using one of these formats:
* GPB encoding: Configuring for GPB encoding requires metadata in the form of com-piled .proto files. A .proto file describes the GPB message format which is used to stream data. The .proto files are available at Cisco Network Telemetry Proto in Github.
- Compact GPB encoding: Data is streamed in a compressed format and not in a self-descriptive format. A .proto file corresponding to each sensor-path must be used by the collector to decode the streamed data.
- Self-describing GPB encoding: Data streamed for each sensor path is in a self-describing and ASCII text format. A single .proto file, telemetry.proto, is used by the collector to decode any sensor path data. Self-describing GPB encod-ing is easier to manage because it needs single .proto file to decode any sensor path data, even though the message size is large.
* JSON encoding: Data is streamed in strings of keys and its values in a human-readable format.
Transport -
In the telemetry push model, the router streams telemetry data using a transport protocol. The generated data is encapsulated into the desired format using encoders.
Model-Driven Telemetry (MDT) data is streamed through these supported transport protocols:
* Google Protocol RPC (gRPC): used for both dial-in and dial-out modes.
* Transmission Control Protocol (TCP): used for only dial-out mode.
* User Datagram Protocol (UDP): used for only dial-out mode. Because UDP is connec-tionless, the UDP destination is shown as Active irrespective of the state of the collec-tor. This is not ideally suitable for a busy network. If a message is dropped by the net-work before it reaches the collector, the protocol does not resend the data.


Reference:

https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/telemetry/70x/b-telemetry-cg-ncs5500-70x/b-telemetry-cg-ncs5500-70x_chapter_01.html



After a Cisco Nexus 7000 Series Switch chassis replacement, the administrator discovers that all vPC-enabled LACP port channels are reinitialized. The administrator wants to prevent this issue the next time the chassis is replaced. Which two actions must be taken to meet this requirement before the isolated device is reloaded? (Choose two.)

  1. Change the vPC system-priority of the replacement chassis to a higher value than the peer
  2. Set the vPC MAC address to a higher value than the peer
  3. Configure auto-recovery to the disable state on both peers
  4. Set the vPC MAC address to a lower value than the peer
  5. Change the vPC system-priority of the replacement chassis to a lower value than the peer

Answer(s): B,C

Explanation:

1) The system with the lower MAC address wins as master and this election is not governed by the vPC role priority
2) Before you introduce an already isolated vPC device back into production, check the LACP roles on both boxes. If the same role, disable auto recovery with no auto-recovery under the vPC domain on both peers and reload the isolated device. After reload, the isolated device comes up with the LACP role 'none established' and can be introduced into the vPC without LACP role re-election.


Reference:

https://www.cisco.com/c/en/us/support/docs/interfaces-modules/nexus-7000-series-supervisor-1-module/119033-technote-nexus-00.html






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