300-550 Practice Exam — Free Cisco Certification Prep
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The network operator asks you to change the config setting on one specific host. All 300 hosts are managed with Puppet. Which action results in the requested change?
AThis is an unsupported feature of Puppet, and Chef or Ansible must be used to make this change.
BGo to that host and make the config change. Puppet sees the local override and skips that part.
CAdd an if statement to the Puppet manifest, and add specific config settings, in case Puppet is running on that host.
DAdd a node-based variable lookup override in Hiera, so that if Puppet runs on that host, it takes the variable from Hiera.
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:
Which two statements about the NX-API are true? (Chose two.)
ANX-API supports XML-RPC
BNX-API is enabled by default
CNX-API supports JSON-RPC
DThe nxapi_auth cookie expires in 30 minutes.
ENX-API maps to NX-OS NETCONF.
Which statement is used to associate a submodule and a parent module in a YANG data model?
Aimport
Bnamespace
Cinclude
Dbelongs-to
A web service returns a JSON object to your Python script. What is the most logical object in which to store the JSON response?
Aan integer
Ba dictionary
Ca tuple
Da string
Ea list
Question 6
APIs and Automation Protocols
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Question 7
Operations
Question 8
Data models
Question 9
APIs and Automation Protocols
Question 10
Data models
Question 16
Data models
Question 17
Controllers
Question 18
APIs and Automation Protocols
Question 19
APIs and Automation Protocols
Question 20
APIs and Automation Protocols
Question 21
Data models
Question 22
APIs and Automation Protocols
Question 23
APIs and Automation Protocols
Question 24
Operations
Question 25
Data models
Question 26
Operations
Question 27
APIs and Automation Protocols
Question 28
Operations
Question 29
APIs and Automation Protocols
Question 30
Operations
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Which two network configuration protocols use XML as a data representation format? (Choose two.)
ANETCONF
BCORBA
CTOSCA
DSNMP
ERESTCONF
Refer to the exhibit. Which Linux command provides output that is similar to the output in the exhibit?
Acat/etc/hosts
Btcpdump -a
Cifconfig -av
Dnetstat -an
In ACI, where is a concrete object in the MIT most often located?
Ahypervisor DB
Bintegrated Layer 4 to Layer 7 device
Cswitch ASIC
Dleaf or spine
Which two statements about IOS XE on a Cisco CSR1000v Router programmatic interface are true? (Choose two.)
AIt supports I2RS.
BIt supports open YANG data models
CIt supports BGP-LS/PCEP as a southbound interface
DIt supports RESTCONF
EIt supports OpFlex
Which two data representation formats are used in RESTCONF? (Choose two.)
AHTML
BYAML
CHML
DGML
EASN.1
FJSON
Which statement indicates that an element in a YANG data model contains data that describes operational state information about the device or service?
Astate true
Bconfig false
Cmode state
Dstate enabled
Refer to the exhibit. Which action effectively secures the controller?
AEnable HTTP to HTTPS redirect.
BRequire complex passwords.
CUse NUT on the router before the controller.
DBlacklist the public WAN.
EWhitelist the Admins network and block all others.
Which two parts are required for a RESTful API call? (Choose two.)
Aresource
Bparameter
Cmethod
Dquery
Efragment
How is a service ticket used when constructing a Cisco APIC-EM API request?
Ato identify the service type
Bto identify a service on the controller
Cto determine the request type
Das a security token
Which two tools help you to program against Nexus APIs? (Choose two.)
AJenkins
BCisco Nexus 1000v
CVIRL
DDevNet sandboxes
ECisco Open SDN Controller
Which statement about sharding in ACI is true?
ASharding is the technology that is designed to prevent "split-brain" scenarios in ACI.
BSharding is the service that presents the API on a Cisco APIC.
CSharding is the mechanism for the distributing the database and configuration changes on a Cisco APIC cluster.
DSharding is the distributed topology that is used in ACI (also referred to as spine-leaf).
How are authentication credentials sent in a Cisco APIC REST API authorization request?
Aby using OAuth
Bin a token in the header
Cby using Basic Auth
Din JSON in the payload
Which network configuration protocol uses JSON as a data representation format?
ANETCONF
BSOAP
CRESTCONF
DHTML
Which computer security concept is violated when a web server is written that uses the "root" account for all interactions with a Linux system?
ARBAC
BPermitRootLogin
Ccertificate-based authentication
Dprinciple of least privilege
Which ACI object is used to divide two applications that use the same IP address?
Abridge domain
BEPG
CVRF
Dtenant
You can use Visore to accomplish which task?
AMonitor faults and events by using a subscription model
BRead object properties and information
CUpdate any properties of an object that are not read-only
DUpdate any properties of an object
Management protocols like NETCONF access network elements on well-known ports. Which design practice hardens a network device implementation?
ASpecify the source interface for SSH
BLimit access to port 830, well-known clients, and SSH VTY.
CEnable CoPP.
DConfigure ip http secure-server.
Which statement about agentless configuration management system is true?
AIt requires managed hosts to have an interpreter for a high-level language such as Python or Ruby.
BIt uses existing protocols to interface with the managed host.
CIt uses compiled languages as the basis on the domain-specific language to interface with managed hosts.
DIt requires managed hosts to connect to a centralized host to receive updated configurations.
EIt requires a software package to be installed on the managed host.
<operation> /<api-entry>/<path>?<query>#<fragment>
Refer to the exhibit. Which two URI entries are optional and functional in the RESTCONF URI structure that is shown? (Choose two.)
Apath
Bquery
Coperation
Dfragment
Eapi-entry
What is the main benefit of having an out-of-band management network for an infrastructure controller?
AData plane disruption is less likely.
BIt provides separation on the management and data planes.
CConfiguration of the controller is faster and simpler
