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Cisco® 300-550 Exam Practice Questions (P. 4)

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Question #16
You can use Visore to accomplish which task?
  1. A
    Monitor faults and events by using a subscription model
  2. B
    Read object properties and information
  3. C
    Update any properties of an object that are not read-only
  4. D
    Update any properties of an object

Correct Answer:
D
The Managed Object Browser, or Visore, is a utility built into the APIC that provides a graphical view of the managed objects (MOs) using a browser.
Reference:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/api/rest/b_APIC_RESTful_API_User_Guide/ b_IFC_RESTful_API_User_Guide_chapter_0100.html

Question #17
Cisco APIC-EM is used to add network-wide making policy for Cisco Spark users who are connected to a Cisco Catalyst 6500 device. After this change, wireless users complain about a delay in over applications. What is a possible reason for this delay?
  1. A
    The DSCP-to-CoS mappings were configured incorrectly
  2. B
    The policy was also deployed to the WLAN controller and overrode
  3. C
    You cannot automate policy for more than one real-time application at a time
  4. D
    Policy automation cannot be deployed for wireless and wired elements at the same time

Correct Answer:
D
This value gets plumbed into the policy created on the wireless controller. Based on the user authentication, a configured policy and profile are applied to a specific user on the same WLAN.
Reference:
http://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-0/WLAN-Bonjour-DG.html

Question #18
DRAG DROP -
Drag and drop the network automation protocol on the left to the transport protocol that it supports on the right. Some options are used more than once.
Select and Place:


Correct Answer:

Question #19
Visore uses which protocol to retrieve information from the Cisco APIC?
  1. A
    REST API
  2. B
    OpFlex
  3. C
    gRPC
  4. D
    Visore API
  5. E
    MongoDB

Correct Answer:
A
The Cisco APIC software development kit (SDK) uses the REST API to read and write the configuration of Cisco APIC, using the object model to describe the current and desired states.
Reference:
http://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-733105.html

Question #20
Which communication mechanism does NETCONF use?
  1. A
    SOAP over HTTPS
  2. B
    YAML over SSH
  3. C
    YAML over HTTPS
  4. D
    RPC over SSH

Correct Answer:
D
NETCONF uses a simple RPC-based mechanism to facilitate communication between a client and a server. The client can be a script or application typically running as part of a network manager. The server is typically a network device. The terms "device" and "server" are used interchangeably in this document, as are "client" and "application".
Reference:
https://tools.ietf.org/html/rfc6241

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