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Free 400-007 Exam Braindumps (page: 33)

Page 32 of 74
PDF with 382 Questions

What is a description of a control plane action?

  1. de-encapsulating and re-encapsulating a packet in a data-link frame
  2. matching the destination MAC address of an Ethernet frame to the MAC address table
  3. matching the destination IP address of an IP packet to the IP routing table
  4. hosts locating routers that reside on attached links using the IPv6 Neighbor Discover Protocol

Answer(s): C

Explanation:

The control plane is responsible for determining how data is forwarded, while the data plane is the actual forwarding process. The control plane actions include tasks such as:

-Routing: The control plane determines the best path to a destination based on the routing table.
-Policy: The control plane enforces policies such as access control lists (ACLs) and Quality of Service (QoS).
-Management: The control plane manages the network devices such as configuration and monitoring.
The other options are not control plane actions.

-de-encapsulating and re-encapsulating a packet in a data-link frame: This is a data plane action.
-matching the destination MAC address of an Ethernet frame to the MAC address table: This is a data plane action.
-hosts locating routers that reside on attached links using the IPv6 Neighbor Discover Protocol: This is a data plane action.


Reference:

https://learningnetwork.cisco.com/s/question/0D53i00000Ksx1VCAR/what-is-the-difference-between-data-plane-control-plane



A network architect in an enterprise is designing a network policy for certain database applications. The goal of the policy is to allow these applications to access the internet directly, whereas other user and network applications that communicate with systems or users outside their own network must be routed through the data center. The focus is on achieving higher availability and a better user experience for the database applications, but switching between different network paths based on performance characteristics must be supported.

Which solution meets these requirements?

  1. MPLS direct connect
  2. Cloud onRamp for SaaS
  3. Cloud onRamp for IaaS
  4. MPLS L3VPN with QoS

Answer(s): B

Explanation:

Cloud onRamp for IaaS (C) is a solution that focuses on providing secure and optimized connectivity to Infrastructure-as-a-Service (IaaS) environments. While it may provide some benefits for network connectivity, it does not directly address the requirement of allowing direct internet access for specific database applications.


Reference:

https://www.cisco.com/c/en/us/solutions/collateral/enterprise-networks/sd-wan/nb-06-cloud-onramp-saas-faq-cte-en.html



Which two statements describe network automation and network orchestration? (Choose two.)

  1. Provisioning network services is an example of network automation
  2. Network orchestration is used to run single, low-level tasks without human intervention
  3. Network automation does not provide governance or policy management
  4. Network automation spans multiple network services, vendors, and environments
  5. Network orchestration is done through programmatic REST APIs enabling automation across devices and management platforms

Answer(s): D,E


Reference:

https://www.cisco.com/c/en/us/solutions/automation/network-automation.html#~path-to-automation



When an SDN-based model is used to transmit multimedia traffic, which aspect should an architect consider while designing the network?

  1. security
  2. QoE estimation
  3. traffic patterns
  4. flow forwarding

Answer(s): B

Explanation:

QoE (Quality of Experience) is a measure of how well a user experiences a multimedia application. It is important to consider QoE when designing an SDN-based network for multimedia traffic, as it can impact the user's experience.

The other options are also important considerations, but they are not as critical as QoE.

-Security: Security is important for all networks, but it is especially important for networks that transmit multimedia traffic. This is because multimedia traffic can be more easily intercepted and manipulated than other types of traffic.
-Traffic patterns: Traffic patterns can impact the performance of an SDN-based network. For example, if the network is used to transmit a lot of real-time traffic, then it is important to ensure that the network can handle the traffic spikes that can occur with real-time traffic.
-Flow forwarding: Flow forwarding is the process of routing packets through the network. It is important to consider flow forwarding when designing an SDN-based network, as it can impact the performance of the network.






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