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Version: 9.1
Question: 1
How are authentication credentials sent in a Cisco APIC REST API authorization request?
A. by using OAuth
B. in a token in the header
C. by using Basic Auth
D. in JSON in the payload
Answer: D
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1x/api/rest/b_APIC_RESTful_API_User_Guide/b_IFC_RESTful_API_User_Guide_chapter_0100.html
Explanation:
Authentication to the REST API for username/password-based authentication uses a special subset of
request URIs, including aaaLogin, aaaLogout and aaaRefresh as the Dn target of a POST operation. Their
payloads contain a simple XML or JSON payload containing the MO representation of an aaaUser object
with attributes name and pwd defining the username and password, for example: <aaaUser
name=’admin’ pwd=’insieme’/>. The response to the POSTs will contain an authentication token as both
a Set-Cookie header as well as an attribute to the aaaLogin object in the response named token, for
which the XPath is /imdata/aaaLogin/@token if encoded as XML. Subsequent operations on the REST API
can use this token value as a Cookie named “APIC-cookie” to have future requests authenticated.
Reference:
http://aci-troubleshooting-book.readthedocs.io/en/latest/rest.html
Question: 2
Which two statements about OpenFlow are true? (Choose two.)
A. The OpenFlow flow table contains header fields, counters, and actions.
B. OpenFlow automatically determines network forwarding rules.
C. OpenFlow interfaces with the management plane.
D. OpenFlow is a southbound protocol.
E. OpenFlow is an agentless technology, like Ansible.
F. OpenFlow is a northbound protocol.
Answer: AD
Reference:
For A, http://archive.openflow.org/documents/openflow-spec-v1.0.0.pdf
For D, https://learninglabs.cisco.com/lab/restconf-101/step/3
Reference:
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http://archive.openflow.org/documents/openflow-spec-v1.0.0.pdf
Question: 3
Where is the node-ui.log stored on the Cisco APIC-EM appliance?
A. in the /var/Iog/grapevine/services/node-ui directory within the container that is running the node-ui
instance
B. in the Cassandra database instance that is running within the container that is running the node-ui
instance
C. in the /opt/CSCOapicem/logs/node-ui directory within the Cisco APIC-EM appliance root
D. in the /var/log/grapevine/services/node-ui directory within the Cisco APIC-EM appliance root
E. in the Cisco APIC-EM Cassandra database instance
Answer: D
Question: 4
DRAG DROP
Drag and drop the technology on the left to its appropriate use case on the right.
Answer:
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Question: 5
Which network configuration protocol uses JSON as a data representation format?
A. NETCONE
B. SOAP
C. RESTCONF
D. HTML
Answer: C
Explanation:
JSON-RPC is an RPC protocol built on JSON, as a replacement for XML-RPC or SOAP. It is a simple
protocol that defines only a handful of data types and commands. JSON-RPC lets a system send
notifications (information to the server that does not require a response) and multiple calls to the server
that can be answered out of order. Example of a JSON-RPC 2.0 request and response using positional
parameters.
Reference:
https://tools.ietf.org/html/draft-ietf-netconf-restconf-13#section-1.1.1 5.3.2
https://tools.ietf.org/html/draft-box-http-soap-00 XML payload format in SOAP
Question: 6
Which two statements about the NX-API are true? (Choose two.)
A. NX-API supports XML-RPC
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B. NX-API is enabled by default
C. NX-API supports JSON-RPC.
D. The nxapi_auth cookie expires in 30 minutes.
E. NX-API maps to NX-OS NETCONF.
Answer: AC
Explanation:
NX-API is an enhancement to the Cisco Nexus 9000 Series CLI system, which supports XML output. NXAPI also supports JSON output format for specific commands.
Reference:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus7000/sw/programmability/guide/b_
Cisco_Nexus_7000_Series_NX-OS_Programmability_Guide/b_Cisco_Nexus_7000_Series_NXOS_Programmability_Guide_chapter_0101.html
Question: 7
Which two statements about YANG are true? (Choose two.)
A. YANG was conceptualized by Jerry Yang, former CEO of Yahoo.
B. YANG provides security beyond SSL 3.0.
C. YANG can be executed similarly to a Python script.
D. YANG is used by NETCONF to define objects and data in requests and replies.
E. YANG represents configuration, operational, and RPC data.
Answer: DE
http://www.cisco.com/c/dam/global/cs_cz/assets/ciscoconnect/2014/assets/tech_sdn10_sp_netconf_y
ang_restconf_martinkramolis.pdf
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