200-301 practice questions 1,021–1,030

1. Question 1021 · 1334 in bank

   How do traditional campus device management and Cisco DNA Center device management differ in regards to deployment?

   • ATraditional campus device management allows a network to scale more quickly than with Cisco DNA Center device management.
   • BCisco DNA Center device management can deploy a network more quickly than traditional campus device management.
   • CCisco DNA Center device management can be implemented at a lower cost than most traditional campus device management options.
   • DTraditional campus device management schemes can typically deploy patches and updates more quickly than Cisco DNA Center device management.

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   Answer: B

   Explanation

   exam technique: without any prior knowledge, u can rule out two of the options just because they criticize CISCO's product

   Source: Adapted from community discussion — Raymond9

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2. Question 1022 · 1334 in bank

   Which purpose does a northbound API serve in a controller-based networking architecture?

   • Afacilitates communication between the controller and the applications
   • Breports device errors to a controller
   • Cgenerates statistics for network hardware and traffic
   • Dcommunicates between the controller and the physical network hardware

   Show answer

   Answer: A

   Explanation

   application programming interface A northbound interface is an application programming interface (API) or protocol that allows a lower-level network component to communicate with a higher-level or more central component, while -- conversely -- a southbound interface allows a higher-level component to send commands to lower-level network components. The purpose of northbound API Northbound APIs are the link between the applications and the SDN controller. The applications can tell the network what they need (data, storage, bandwidth, and so on) and the network can deliver those resources, or communicate what it has

   Source: Adapted from community discussion — SamuelSami

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3. Question 1023 · 1334 in bank

   What benefit does controller-based networking provide versus traditional networking?

   • Aallows configuration and monitoring of the network from one centralized point
   • Bprovides an added layer of security to protect from DDoS attacks
   • Ccombines control and data plane functionality on a single device to minimize latency
   • Dmoves from a two-tier to a three-tier network architecture to provide maximum redundancy

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   Answer: A

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4. Question 1024 · 1334 in bank

   What is an advantage of Cisco DNA Center versus traditional campus device management?

   • AIt is designed primarily to provide network assurance.
   • BIt supports numerous extensibility options, including cross-domain adapters and third-party SDKs.
   • CIt supports high availability for management functions when operating in cluster mode.
   • DIt enables easy autodiscovery of network elements in a brownfield deployment.

   Show answer

   Answer: B

   Explanation

   Careful. Such a question carries almost all correct with one or more words in 3 of them makes them incorrect. A is correct, DNA center assures networking by monitoring and other tools, however, it is not the "primary" objective (Automation and programmability is the primary objective. C is correct, but to provide high availability to data plane forwarding not to management functions. D is correct, but for "Green field" deployment rather in brownfield deployment. B is the only correct after all.

   Source: Adapted from community discussion — ismatdmour

   References

   • Cisco documentation
   • Cisco documentation

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5. Question 1025 · 1334 in bank

   DRAG DROP - Drag and drop the characteristics of networking from the left onto the correct networking types on the right. Select and Place:

   

   This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.

   Show the answer figure

   Answer: See figure below

   Explanation

   Controller-Based Networking: - focused on network - user input is a policy - uses block list security model Traditional Networking: - focused on devices - user input is a configuration - uses allow list security model In Controller-Based Networking everything is blocked by default. https://www.computernetworkingnotes.com/ccna-study-guide/traditional-vs-controller-based-networking.html

   Source: Adapted from community discussion — Clasheurx3

   

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6. Question 1026 · 1334 in bank

   Select 2

   What are two fundamentals of virtualization? (Choose two.)

   • AIt allows logical network devices to move traffic between virtual machines and the rest of the physical network.
   • BIt allows multiple operating systems and applications to run independently on one physical server.
   • CIt allows a physical router to directly connect NICs from each virtual machine into the network.
   • DIt requires that some servers, virtual machines, and network gear reside on the Internet.
   • EThe environment must be configured with one hypervisor that serves solely as a network manager to monitor SNMP traffic.

   Show answer

   Answer: AB

   Explanation

   I am a VMware certified professional and the correct answer is A and B Explanation: A- Each virtualization solution have virtual switches (logical network), these virtual switches allows virtual machines to communicate on the network. We also assign vlan tag on these switches or make them trunk. B) The main purpose of Server Virtualization is to run many VMs on the same physical server

   Source: Adapted from community discussion — Abdulaziz

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7. Question 1027 · 1334 in bank

   How does Cisco DNA Center gather data from the network?

   • ADevices use the call-home protocol to periodically send data to the controller
   • BDevices establish an IPsec tunnel to exchange data with the controller
   • CThe Cisco CLI Analyzer tool gathers data from each licensed network device and streams it to the controller
   • DNetwork devices use different services like SNMP, syslog, and streaming telemetry to send data to the controller

   Show answer

   Answer: D

   Explanation

   D is correct. Explanation: Local Network Telemetry: Cisco DNA Center collects data from several different sources and protocols on the local network, including the following: traceroute; syslog; NetFlow; Authentication, Authorization, and Accounting (AAA); routers; Dynamic Host Configuration Protocol (DHCP); Telnet; wireless devices; Command-Line Interface (CLI); Object IDs (OIDs); IP SLA; DNS; ping; Simple Network Management Protocol (SNMP); IP Address Management (IPAM); MIB; Cisco Connected Mobile Experiences (CMX); and AppDynamics ®. The great breadth and depth of data collection allows Cisco DNA Center to give a clearer picture of the state of the network, clients, and applications. This data is kept on the Cisco DNA Center appliance locally (at your location) and is available for a period of 14 days. Local Network Telemetry is not transported to any other server nor is it sent to the cloud. https://www.cisco.com/c/en/us/products/collateral/cloud-systems-management/dna-center/nb-06-dna-center-faq-cte-en.html

   Source: Adapted from community discussion — dicksonpwc

   References

   • Cisco documentation

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8. Question 1028 · 1334 in bank

   Which statement compares traditional networks and controller-based networks?

   • AOnly controller-based networks decouple the control plane and the data plane.
   • BTraditional and controller-based networks abstract policies from device configurations.
   • COnly traditional networks natively support centralized management.
   • DOnly traditional networks offer a centralized control plane.

   Show answer

   Answer: A

   Explanation

   Most traditional devices use a distributed architecture, in which each control plane is resided in a networking device. Therefore, they need to communicate with each other via messages to work correctly. In contrast to distributed architecture, centralized (or controller-based) architectures centralizes the control of networking devices into one device, called SDN controller.

   Source: Adapted from community discussion — dicksonpwc

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9. Question 1029 · 1334 in bank

   Select 2

   What are two benefits of network automation? (Choose two.)

   • Areduced hardware footprint
   • Breduced operational costs
   • Cfaster changes with more reliable results
   • Dfewer network failures
   • Eincreased network security

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   Answer: BC

   Explanation

   Multiple processes are carried out from simple automation, delivering results in a timely and cost effective manner. Operational cost is therefore reduced.

   Source: Adapted from community discussion — chomjosh

   References

   • Cisco documentation

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10. Question 1030 · 1334 in bank

    An engineer observes high usage on the 2.4GHz channels and lower usage on the 5GHz channels. What must be configured to allow clients to preferentially use 5GHz access points?

    • AClient Band Select
    • BRe-Anchor Roamed Clients
    • COEAP Spilt Tunnel
    • D11ac MU-MIMO

    Show answer

    Answer: A

    Explanation

    Band Select is Cisco's terminology for Band Steering. When enabled it encourages stations onto the 5 GHz band. This is achieved by suppressing 2.4 GHz probe response frames to station probe requests and by responding with 5 GHz probe response frames first.

    Source: Adapted from community discussion — Shaz313

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200-301 practice, question 1021. 1334 questions available.