Cisco® 300-415 Exam Practice Questions (P. 4)
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Question #32
Which plane builds and maintains the network topology and makes decisions on traffic flows?
- Adata
- Borchestration
- Cmanagement
- Dcontrol
Correct Answer:
D
D
GPT-4o - Answer
Absolutely, the control plane's job is to build and maintain the network topology and make routing decisions for data packets across the network. It's essential for setting up paths for traffic to follow, distinct from just managing devices or handling the data itself. This core function separates it from the management and data planes, focusing on day-to-day network operations and actual data forwarding, respectively.
Question #33
How is TLOC defined?
- AIt is represented by a unique identifier to specify a site in a SD-WAN architecture.
- BIt specifies a Cisco SD-WAN overlay in a multitenant vSMART deployment.
- CIt is represented by a group of QoS policies applied to a WAN Edge router.
- DIt is a unique collection of GRE or IPsec encapsulations, link color, and system IP address.
Correct Answer:
D
D
GPT-4o - Answer
In the context of Cisco SD-WAN, TLOC (Transport Location) acts as a unique identifier, essentially defining the specific attributes of a transport connection. Each TLOC is characterized by the encapsulation method used, such as GRE or IPsec, the designated link color which categorizes the type of transport (like MPLS, internet, etc.), and the System IP address of the device. Understanding this unique combination is crucial as it directly influences routing decisions and the establishment of secure and efficient network paths within the SD-WAN architecture.
Question #34
Which vBond system configuration under VPN 0 allows for a routable public IP address even if the DNS name, hostname, or IP address of the vBond orchestrator are omitted?
- AWAN
- Blocal
- Cdns-name
- Dvbond-only
Correct Answer:
B
B
GPT-4o - Answer
The 'local' configuration under VPN 0 is utilized to enable a vEdge device to operate as a vBond orchestrator. This setting is crucial as it allows for a routable public IP when other identifying elements like DNS names or the specific IP address of the vBond orchestrator might be absent. This flexibility is essential in scenarios where static IP addresses or DNS details cannot be leveraged, ensuring connectivity and orchestration within the SD-WAN framework. Hence, the correct answer to the question is indeed 'local.'
Question #35
What are the two advantages of deploying cloud-based Cisco SD-WAN controllers? (Choose two.)
- Acentralized control and data plane
- Binfrastructure as a service
- Cmanagement of SLA
- Dcentralized raid storage of data
- Edistributed authentication policies
Correct Answer:
AC
AC
GPT-4o - Answer
Indeed, option A seems slightly misleading since the centralized control is significant in cloud-based SD-WAN deployments, but the data plane is typically distributed rather than centralized, which aligns with typical SD-WAN architecture. That being said, option C – management of SLAs – stands out because one of the primary purposes of SD-WAN technology is to facilitate improved management of service level agreements by dynamically routing traffic over various pathways based on pre-set policies for performance, hence enhancing network reliability and efficiency. Given that, the claim that B is also correct appears sensible since it highlights the Cloud's nature as a scalable infrastructure service that is crucial for deploying resources dynamically in SD-WAN solutions.
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