300-550 NPDESI
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Cisco Network Programmability Developer Specialist 300-550 exam questions 1-5
Real 300-550 Dumps Practice Exam Questions from https://www.pass4itsure.com/300-550.html
QUESTION 1
Which two statements about the use of Git for version control are true? (Choose two.)
A. Git can be used only for online project management.
B. Git enables entire projects and files to be reverted back to a previous state.
C. Git stores files on a centralized device to check out file snapshots.
D. Git allows for the recording of changes to a file or set of files over time.
E. Get allows notifications for when certain files are modified.
Correct Answer: BD
Reference: https://git-scm.com/book/en/v2/Getting-Started-About-Version-Control
Which two statements about the use of Git for version control are true? (Choose two.)
A. Git can be used only for online project management.
B. Git enables entire projects and files to be reverted back to a previous state.
C. Git stores files on a centralized device to check out file snapshots.
D. Git allows for the recording of changes to a file or set of files over time.
E. Get allows notifications for when certain files are modified.
Correct Answer: BD
Reference: https://git-scm.com/book/en/v2/Getting-Started-About-Version-Control
QUESTION 2
Which two network configuration protocols use XML as a data representation format? (Choose two.)
A. NETCONF
B. CORBA
C. TOSCA
D. SNMP
E. RESTCONF
Correct Answer: AE
Data modeling language for the definition of data sent over the NETCONF network configuration protocol.
RESTCONF Request and response data can be in XML or JSON format. XML has structure according to yang by XMLYANG and JSON by JSON-YANG.
Reference: https://en.wikipedia.org/wiki/YANG http://sdntutorials.com/what-is-restconf/
Which two network configuration protocols use XML as a data representation format? (Choose two.)
A. NETCONF
B. CORBA
C. TOSCA
D. SNMP
E. RESTCONF
Correct Answer: AE
Data modeling language for the definition of data sent over the NETCONF network configuration protocol.
RESTCONF Request and response data can be in XML or JSON format. XML has structure according to yang by XMLYANG and JSON by JSON-YANG.
Reference: https://en.wikipedia.org/wiki/YANG http://sdntutorials.com/what-is-restconf/
QUESTION 3
Which statement about sharding in ACI is true?
A. Sharding is the technology that is designed to prevent "split-brain" scenarios in ACI.
B. Sharding is the service that presents the API on a Cisco APIC.
C. Sharding is the mechanism for the distributing the database and configuration changes on a Cisco APIC cluster.
D. Sharding is the distributed topology that is used in ACI (also referred to as spine-leaf).
Correct Answer: C
The Cisco APIC cluster uses a technology from large databases called sharding to distribute data among the nodes of
the cluster. Data stored in the APIC is portioned to shards. Each shard has three replicas that are stored in the three
controller nodes. For each shard, one controller is elected as leader and the rest are followers.
Reference:
Sharding Technology
In the case of a split-brain condition, automatic reconciliation is performed based on timestamps.
Each Cisco APIC has all Cisco APIC functions; however, processing is evenly distributed throughout the Cisco APIC
cluster.
QUESTION 4
A web service returns a JSON object to your Python script. What is the most logical object in which to store the JSON
response?
A. an integer
B. a dictionary
C. a tuple
D. a string
E. a list
Correct Answer: B
A web service returns a JSON object to your Python script. What is the most logical object in which to store the JSON
response?
A. an integer
B. a dictionary
C. a tuple
D. a string
E. a list
Correct Answer: B
QUESTION 5
Which network is used by default for cluster sync between Cisco APICs?
A. out of band management network
B. VXLAN overlay network
C. in-band management network
D. infra-VTEP network
Correct Answer: C
Which network is used by default for cluster sync between Cisco APICs?
A. out of band management network
B. VXLAN overlay network
C. in-band management network
D. infra-VTEP network
Correct Answer: C
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