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200-301 β€” questions

Page 34 of 60 Β· 1182 total questions.

Topic 1 Β· Question 722 Β· Select all that apply

Which two capabilities of Cisco DNA Center make it more extensible as compared to traditional campus device management? (Choose two.)

  • AREST APIs that allow for external applications to interact natively (correct answer)
  • Badapters that support all families of Cisco IOS software
  • CSDKs that support interaction with third-party network equipment (correct answer)
  • Dmodular design that is upgradable as needed
  • Ecustomized versions for small, medium, and large enterprises
Reveal answer & explanation
Correct answer: A, C

The correct answer is A, C. Option A: REST APIs that allow for external applications to interact natively Option C: SDKs that support interaction with third-party network equipment

Explanation

NAT translates addresses between network domains, commonly conserving public IPv4 addresses. REST APIs commonly manipulate resources over HTTP using methods such as GET, POST, PUT, PATCH, and DELETE.

Topic 1 Β· Question 724

What software-defined architecture plane assists network devices with making packet-forwarding decisions by providing Layer 2 reachability and Layer 3 routing information?

  • Amanagement plane
  • Bcontrol plane (correct answer)
  • Cdata plane
  • Dpolicy plane
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: control plane

Topic 1 Β· Question 725 Β· Select all that apply

What are two benefits of controller-based networking compared to traditional networking? (Choose two.)

  • Acontroller-based increases network bandwidth usage, while traditional lightens the load on the network
  • Bcontroller-based reduces network configuration complexity, while traditional increases the potential for errors (correct answer)
  • Ccontroller-based allows for fewer network failures, while traditional increases failure rates
  • Dcontroller-based provides centralization of key IT functions, while traditional requires distributed management functions (correct answer)
  • Econtroller-based inflates software costs, while traditional decreases individual licensing costs
Reveal answer & explanation
Correct answer: B, D

The correct answer is B, D. Option B: controller-based reduces network configuration complexity, while traditional increases the potential for errors Option D: controller-based provides centralization of key IT functions, while traditional requires distributed management functions

Explanation

Controller-based networking centralizes policy and exposes programmable management interfaces.

Topic 1 Β· Question 726

Which type of API allows SDN controllers to dynamically make changes to the network?

  • Anorthbound API
  • BREST API
  • CSOAP API
  • Dsouthbound API (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: southbound API

Explanation

A southbound API connects a controller to managed network devices.

Topic 1 Β· Question 728

Which option about JSON is true -

  • Auses predefined tags or angle brackets () to delimit markup text
  • Bused to describe structured data that includes arrays (correct answer)
  • Cused for storing information
  • Dsimilar to HTML, it is more verbose than XML
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: used to describe structured data that includes arrays

Topic 1 Β· Question 729

Which option best describes an API?

  • Aa contract that describes how various components communicate and exchange data with each other (correct answer)
  • Ban architectural style (versus a protocol) for designing applications
  • Ca stateless client-server model
  • Drequest a certain type of data by specifying the URL path that models the data
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: a contract that describes how various components communicate and exchange data with each other

Topic 1 Β· Question 731

Which of the following is the JSON encoding of a dictionary or hash?

  • A{"key": "value"} (correct answer)
  • B["key", "value"]
  • C{"key", "value"}
  • D("key": "value")
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: {"key": "value"}

Topic 1 Β· Question 732

Which role does a hypervisor provide for each virtual machine in server virtualization?

  • Ainfrastructure-as-a-service
  • BSoftware-as-a-service
  • Ccontrol and distribution of physical resources (correct answer)
  • Dservices as a hardware controller
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: control and distribution of physical resources

Topic 1 Β· Question 733

What is the function of a server?

  • AIt transmits packets between hosts in the same broadcast domain.
  • BIt provides shared applications to end users. (correct answer)
  • CIt routes traffic between Layer 3 devices.
  • DIt ׁreates security zones between trusted and untrusted networks.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: It provides shared applications to end users.

Topic 1 Β· Question 734

Which CRUD operation modifies an existing table or view?

  • Aread
  • Bupdate (correct answer)
  • Creplace
  • Dcreate
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: update

Topic 1 Β· Question 735

In software-defined architectures, which plane is distributed and responsible for traffic forwarding?

  • Amanagement plane
  • Bpolicy plane
  • Cdata plane (correct answer)
  • Dcontrol plane
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: data plane

Topic 1 Β· Question 736

Refer to the exhibit. Which type of configuration is represented in the output?

Exhibit 1 for question 736
  • AAnsible
  • BJSON
  • CChef
  • DPuppet (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Puppet

Topic 1 Β· Question 737

Which configuration management mechanism uses TCP port 22 by default when communicating with managed nodes?

  • AAnsible (correct answer)
  • BPython
  • CPuppet
  • DChef
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Ansible

Topic 1 Β· Question 738

What does an SDN controller use as a communication protocol to relay forwarding changes to a southbound API?

  • AJava
  • BREST
  • COpenFlow (correct answer)
  • DXML
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: OpenFlow

Topic 1 Β· Question 739

What uses HTTP messages to transfer data to applications residing on different hosts?

  • AOpenStack
  • BOpFlex
  • CREST (correct answer)
  • DOpenFlow
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: REST

Explanation

REST APIs commonly manipulate resources over HTTP using methods such as GET, POST, PUT, PATCH, and DELETE.

Topic 1 Β· Question 740

Which JSON data type is an unordered set of attribute-value pairs?

  • Astring
  • Barray
  • CBoolean
  • Dobject (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: object

Topic 1 Β· Question 741

Which protocol is used in Software Defined Access (SDA) to provide a tunnel between two edge nodes in different fabrics?

  • AGeneric Router Encapsulation (GRE)
  • BVirtual Local Area Network (VLAN)
  • CVirtual Extensible LAN (VXLAN) (correct answer)
  • DPoint-to-Point Protocol (PPP)
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Virtual Extensible LAN (VXLAN)

Topic 1 Β· Question 742

Which plane is centralized by an SDN controller?

  • Amanagement-plane
  • Bdata-plane
  • Cservices-plane
  • Dcontrol-plane (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: control-plane

Topic 1 Β· Question 743

Where is the interface between the control plane and data plane within the software-defined architecture?

  • Aapplication layer and the management layer
  • Bapplication layer and the infrastructure layer
  • Ccontrol layer and the application layer
  • Dcontrol layer and the infrastructure layer (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: control layer and the infrastructure layer

Topic 1 Β· Question 744

Why would a network administrator choose to implement automation in a network environment?

  • ATo simplify the process of maintaining a consistent configuration state across all devices (correct answer)
  • BTo centralize device information storage
  • CTo implement centralized user account management
  • DTo deploy the management plane separately from the rest of the network
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: To simplify the process of maintaining a consistent configuration state across all devices

Showing questions 661–680 of 1182 Β· Page 34 of 60