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Cisco® 300-550 Exam Practice Questions (P. 3)

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Question #11
Which two network configuration protocols use XML as a data representation format? (Choose two.)
  1. A
    NETCONF
  2. B
    CORBA
  3. C
    TOSCA
  4. D
    SNMP
  5. E
    RESTCONF

Correct Answer:
AD
Data modeling language for the definition of data sent over the NETCONF network configuration protocol.
Many network management protocols have associated data modeling languages. The first widely deployed Internet standard for network management was the
Simple Network Management Protocol (SNMP).
Reference:
https://en.wikipedia.org/wiki/YANG

Question #12
Which two security techniques are important to implement a secured management network that is used to access the management plane of a Cisco APIC cluster?
(Choose two.)
  1. A
    VRFs
  2. B
    NAT
  3. C
    ipfilter
  4. D
    ACLs
  5. E
    route maps

Correct Answer:
BD
The Cisco APIC-EM should never be directly connected to the Internet. It should not be deployed outside of a NAT configured or protected datacenter environment.
Each contract is defined by a name and by filters (ACLs). Filters are a collection of layer 4 protocol and ports.
Reference:
http://www.cisco.com/c/en/us/td/docs/cloud-systems-management/application-policy-infrastructure-controller-enterprise-module/1-0-x/deploy-guide/ b_apic-em_deploy_guide_v_1_0_0_x/b_apic-em_deploy_guide_v_1_0_0_x_chapter_0100.pdf http://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-731960.html

Question #13
What are two node types in a YANG data model? (Choose two.)
  1. A
    grouping
  2. B
    leaf
  3. C
    container
  4. D
    module
  5. E
    instance

Correct Answer:
BC
The nodes types (for data modeling) are:
✑ leaf node - contains a single value of a specific type
✑ container node - contains a grouping of related nodes containing only child nodes, which can be any of the four node types
Reference:
http://www.cisco.com/c/en/us/td/docs/iosxr/ncs5000/DataModels/b-Datamodels-cg-ncs5000/b-Datamodels-cg-ncs5000_chapter_00.html

Question #14
RESTCONF supports which two resources? (Choose two.)
  1. A
    /restconf/data
  2. B
    /restconf/operations
  3. C
    /restconf/diagnostic
  4. D
    /restconf/performance
  5. E
    /restconf/fault

Correct Answer:
AB
Reference:
https://yumaworks.freshdesk.com/support/solutions/articles/1000229884-what-restconf-features-are-supported-by-yumapro-sdk-

Question #15
Which ACI object is used to divide two applications that use the same IP address?
  1. A
    bridge domain
  2. B
    EPG
  3. C
    VRF
  4. D
    tenant

Correct Answer:
A
One or more bridge domains are associated with a context. All of the endpoints within the Layer 3 domain must have unique IP addresses because it is possible to forward packets directly between these devices if the policy allows it. A tenant can contain multiple contexts.
Reference:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/aci-fundamentals/b_ACI-Fundamentals/b_ACI-Fundamentals_chapter_010001.html

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