Cisco ENCOR 350 401 Dumps 2025

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Here are 10 multiple-choice review questions based on the Cisco ENCOR 350 401 dumps exam topics, along with detailed explanations:

1. Which protocol is used by Cisco SD-Access for node discovery and mapping?

A) LLDP

B) OSPF

C) LISP

D) BGPCorrect Answer: A) LLDP

Explanation: Cisco SD-Access uses LLDP (Link Layer Discovery Protocol) for device discovery and topology mapping. While LISP is used for routing, LLDP helps identify neighboring devices at Layer 2.

2. In a Cisco DNA Center deployment, which role is responsible for policy enforcement?

A) Control Plane Node

B) Edge Node

C) Border Node

D) Intermediate NodeCorrect Answer: B) Edge Node

Explanation: The Edge Node in Cisco SD-Access enforces policies for endpoints, applying segmentation (SGTs) and security rules.

3. What is the primary purpose of VXLAN in data center networks?

A) To replace Spanning Tree Protocol (STP)

B) To extend Layer 2 segments over Layer 3 networks

C) To encrypt traffic between endpoints

D) To optimize OSPF routingCorrect Answer: B) To extend Layer 2 segments over Layer 3 networks

Explanation: VXLAN (Virtual Extensible LAN) is an overlay technology that allows Layer 2 segments to span across Layer 3 networks, enabling scalable multi-tenancy in data centers.

4. Which QoS mechanism prioritizes traffic based on markings without guaranteeing bandwidth?

A) Class-Based Weighted Fair Queuing (CBWFQ)

B) Low Latency Queuing (LLQ)

C) Priority Queuing (PQ)

D) Weighted Random Early Detection (WRED)Correct Answer: C) Priority Queuing (PQ)

Explanation: Priority Queuing (PQ) processes high-priority traffic first but does not guarantee bandwidth. LLQ combines PQ with bandwidth reservation.

5. What does EIGRP use to calculate its composite metric by default?

A) Bandwidth and Delay

B) Bandwidth and Load

C) Delay and Reliability

D) MTU and Hop CountCorrect Answer: A) Bandwidth and Delay

Explanation: EIGRP’s composite metric defaults to Bandwidth (slowest link) and Delay (sum of delays). Load and Reliability are optional.

https://www.notion.so/Cisco-Certification-Study-Material-1ed773c9c98380979821e9ac89bd8267

6. Which command enables OSPFv3 on an interface in IPv6?

A) ipv6 ospf 1 area 0

B) ospfv3 1 ipv6 area 0

C) ip ospf 1 area 0

D) ipv6 router ospf 1Correct Answer: A) ipv6 ospf 1 area 0

Explanation: OSPFv3 is configured under the interface with ipv6 ospf [process-id] area [area-id].

7. What is the function of a Rendezvous Point (RP) in multicast networks?

A) To forward multicast traffic to all receivers

B) To act as a root for shared multicast distribution trees

C) To encrypt multicast streams

D) To block unauthorized multicast sourcesCorrect Answer: B) To act as a root for shared multicast distribution trees

Explanation: The RP in PIM-Sparse Mode is the central point for multicast group registration and shared tree (*,G) forwarding.

8. Which security feature dynamically assigns trust levels to devices on a network?

A) 802.1X

B) Cisco TrustSec

C) MACsec

D) SNMPv3Correct Answer: B) Cisco TrustSec

Explanation: Cisco TrustSec uses Security Group Tags (SGTs) to enforce policies based on device roles, not just IP/MAC addresses.

9. What is the primary benefit of using NetFlow?

A) Encrypting traffic flows

B) Monitoring network traffic patterns and volume

C) Blocking malicious IPs

D) Load balancing across WAN linksCorrect Answer: B) Monitoring network traffic patterns and volume

Explanation: NetFlow collects metadata about traffic flows (source/destination, ports, bytes) for analysis and capacity planning.

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10. In REST APIs, what does HTTP PUT typically do?

A) Retrieve data

B) Create or replace a resource

C) Delete a resource

D) Update part of a resourceCorrect Answer: B) Create or replace a resource

Explanation: HTTP PUT is idempotent and fully replaces a resource at a given URI. PATCH is used for partial updates.

https://github.com/Examprepsol

Final Tips for Cisco ENCOR 350 401 Dumps:

• Focus on SD-Access, VXLAN, EIGRP/OSPF, QoS, and security (TrustSec, 802.1X).
• Practice CLI commands for routing, switching, and troubleshooting.
• Understand automation (APIs, Python, Ansible) and multicast (PIM, RP).

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