Cisco 400-151 Online Practice Questions and Exam Preparation

Cisco 400-151 Online Questions & Answers

• Question 1:

  Which two descriptions of the transport protocols used by RESTCONF and NETCONF are true? (Choose two.)

  A. RESTCONF uses gRPC as its transport protocol.
  B. NETCONF uses SSH as its transport protocol.
  C. NETCONF uses HTTP as its transport protocol.
  D. RESTCONF uses HTTP as its transport protocol.
  E. NETCONF uses gRPC as its transport protocol.
  F. RESTCONF uses SSH as its transport protocol.
  B. NETCONF uses SSH as its transport protocol.
  D. RESTCONF uses HTTP as its transport protocol.

• Question 2:

  What is important characteristics of the Routing Protocol for Low-power Lossy Network (RPL)?

  A. It creates multiple Destination-Oriented Directed Acyclic Graphs (DODAG).
  B. It is a distance-vector protocol with a variable update period, negotiated on each link.
  C. It creates a single, loop-free topology from the Cluster Head to all nodes.
  D. It is a link-state protocol similar to IS-IS.
  D. It is a link-state protocol similar to IS-IS.

• Question 3:

  Which automation tool is written in Python?

  A. CFEngine
  B. Ansible
  C. Chef
  D. Puppet
  E. Vagrant
  B. Ansible

• Question 4:

  What best describes the difference between Automation and Orchestration?

  A. Automation refers to an automatic process for completing a single task and Orchestration refers to assembling and coordinating a set of tasks and conditions.
  B. Automation refers to an automatic process for completing multiple tasks with conditions and Orchestration refers to executing tasks in parallel.
  C. Automation refers to scripting languages (Python, Ansible, etc) and Orchestration refers to commercial products that control configuration deployment.
  D. Automation describes a hands-off configuration process while Orchestration refers to sets of automation tasks that require the network administrator to coordinate.
  A. Automation refers to an automatic process for completing a single task and Orchestration refers to assembling and coordinating a set of tasks and conditions.

• Question 5:

  Which statement correctly describes Ansible operations and playbooks?

  A. Ansible is agentless and uses playbooks formatted in YAML.
  B. Ansible is agent-based and uses playbooks formatted in XML.
  C. Ansible is agentless and uses playbooks formatted in XML.
  D. Ansible is agent-based and uses playbooks formatted in YAML.
  A. Ansible is agentless and uses playbooks formatted in YAML.

• Question 6:

  Which protocol is used for manipulating and reading managed objects and their properties in the internal Cisco NX-OS Data Management Engine model?

  A. xml
  B. json
  C. json-rpc
  D. nx yang
  E. nx-api rest
  E. nx-api rest

• Question 7:

  Refer to the exhibit.

  

  The purpose of this Python function definition is to create VLAN pools on ACI solution. Which statement is true?

  A. The pool VLAN range value accepted by ACI is between 1 and 4096.
  B. This function can be used by other functions to create a new VLAN pool according to parameters given for each attribute.
  C. The pool VLAN range created by this function can be used by virtual machine management.
  D. The script has an error, the "allocMode" attribute should be dynamic.
  E. After the execution of this function, a new VLAN pool called "vlan_pool" is created with the default parameters.
  B. This function can be used by other functions to create a new VLAN pool according to parameters given for each attribute.

• Question 8:

  Refer to the exhibit.

  

  Which purpose of the ip ospf transmit-delay command is true?

  A. This variable is used by the OSPF to send hello packets periodically after the time specified in the transmit-delay command.
  B. This variable sends the OSPF database to the neighbors periodically after the time specified in the transmit-delay command.
  C. This variable adds a specified time to the age field of an OSPF update. This parameter has more significance on very low-speed links.
  D. This variable is used to negotiate transmit-delay with the OSPF neighbors.
  C. This variable adds a specified time to the age field of an OSPF update. This parameter has more significance on very low-speed links.

• Question 9:

  In which default state are all Cisco UCS Fabric Interconnect Ethernet ports configured?

  A. uplink port
  B. disabled port
  C. trunk port
  D. unconfigured port
  E. access port
  D. unconfigured port

• Question 10:

  Which email format is supported in Callhome feature in ACI?

  A. xml
  B. json
  C. https
  D. mapi
  A. xml