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Question 1:
Choose the main function of VRF-lite
A. To route IPv6 traffic across an IPv4 backbone
B. To allow devices to use labels to make Layer 2 Path decisions
C. To segregate multiple routing tables on a single device
D. To connect different autonomous systems together to share routes
Answer: C
Explanation:
✅ C. To segregate multiple routing tables on a single device
VRF-lite’s primary function is to enable multiple routing instances on a single router, providing logical separation of routing tables. This allows for segmentation of network traffic without requiring multiple physical devices.
Incorrect:
❌ A. To route IPv6 traffic across an IPv4 backbone
This describes a function of IPv6 transition mechanisms like 6to4 or ISATAP, not VRF-lite. VRF-lite is independent of IPv4/IPv6 translation.
❌ B. To allow devices to use labels to make Layer 2 Path decisions
This describes the function of Multiprotocol Label Switching (MPLS), not VRF-lite. VRF-lite is a Layer 3 virtualization technology.
❌ D. To connect different autonomous systems together to share routes
This describes the function of Exterior Gateway Protocols (EGPs) like BGP, not VRF-lite. VRF-lite is used for internal network segmentation within a single device.
Question 2:
Choose the correct statement about Cisco EAP-FAST
A. Cisco EAP-FAST is an IETF standard.
B. Cisco EAP-FAST operates in transparent mode.
C. Cisco EAP-FAST does not require a RADIUS server certificate.
D. Cisco EAP-FAST requires a client certificate.
Answer: C
Explanation:
✅ C. Cisco EAP-FAST does not require a RADIUS server certificate.
Functionality:
EAP-FAST uses a Protected Access Credential (PAC) for authentication, which eliminates the need for a RADIUS server certificate.
This simplifies deployment and reduces the complexity of certificate management.
The PAC is used to establish a secure tunnel.
Incorrect Answer Explanations:
❌ A. Cisco EAP-FAST is an IETF standard.
Functionality:
Cisco EAP-FAST is a Cisco proprietary protocol, not an IETF standard.
IETF standards are open and vendor-neutral.
❌ B. Cisco EAP-FAST operates in transparent mode.
Functionality:
“Transparent mode” is not a standard term used to describe EAP-FAST operation.
EAP-FAST operates with a PAC and secure tunnel.
It does not operate in a mode that is described as transparent.
❌ D. Cisco EAP-FAST requires a client certificate.
Functionality:
EAP-FAST does not require a client certificate.
It primarily relies on the PAC for client authentication.
Client certificates are used in other EAP methods, such as EAP-TLS.
Question 3:
Choose the requirement for an Ansible-managed node
A. It must be a Linux server or a Cisco device
B. It must have an Ansible Tower installed.
C. It must have an SSH server running
D. It must support ad hoc commands
Answer: C
Explanation:
✅ C. It must have an SSH server running
Functionality:
Ansible primarily uses SSH to communicate with and manage remote nodes.
An SSH server is essential for Ansible to execute commands and transfer files to the managed node.
This is the essential requirement.
❌ A. It must be a Linux server or a Cisco device
Functionality:
While Ansible is commonly used to manage Linux servers and Cisco devices, it can also manage other operating systems and network devices.
It does not have to be limited to those devices.
Ansible can manage windows hosts with WinRM.
❌ B. It must have an Ansible Tower installed.
Functionality:
Ansible Tower is a web-based UI and automation platform for Ansible.
It is not required for a node to be managed by Ansible.
Ansible Tower helps to manage Ansible, but is not needed on the managed node.
❌ D. It must support ad hoc commands
Functionality:
Ad hoc commands are a feature of Ansible, not a requirement for managed nodes.
Managed nodes only need to be reachable via SSH and have Python (or PowerShell for Windows) installed.
Ad hoc commands are run from the Ansible control node, not the managed node.
Question 4:
Choose the process of password checks when a login attempt is made to the device if you have the following configuration:
aaa new-model
aaa auhentication login default local group tacacs+
A. A TACACS+server is checked first. If that check fail, a RADIUS server is checked. If that check fail. a local database is checked.
B. A local database is checked first. If that check fails, a TACACS+server is checked.
C. A local database is checked first. If that fails, a TACACS+server is checked, if that check fails, a RADUIS server is checked.
D. A TACACS+server is checked first. If that check fail, a database is checked
Answer: B
Explanation:
✅ B. A local database is checked first. If that check fails, a TACACS+ server is checked.
The aaa authentication login default local group tacacs+ command specifies the order of authentication methods.
“local” is listed first, meaning the local database will be checked first.
“group tacacs+” is listed second, meaning if local authentication fails, TACACS+ will be checked.
The order of the commands is how the order of authentication is determined.
Incorrect Answer Explanations:
❌ A. A TACACS+ server is checked first. If that check fail, a RADIUS server is checked. If that check fail. a local database is checked.
This is incorrect because the configuration clearly specifies “local” first, not TACACS+.
Also Radius is not configured at all.
❌ C. A local database is checked first. If that fails, a TACACS+ server is checked, if that check fails, a RADIUS server is checked.
While the local and TACACS+ order is correct, RADIUS is not configured in the provided command.
Radius is not configured at all.
❌ D. A TACACS+ server is checked first. If that check fail, a database is checked
This is incorrect because the configuration starts with local authentication, not TACACS+.
The order is reversed.
Question 5:
Choose the LISP component routers in the public IP network use to forward traffic between the two networks
A. map server
B. EID
C. map resolver
D. RLOC
Answer: D
Explanation:
✅ D. RLOC
RLOCs (Routing Locator) are public IP addresses used to forward LISP-encapsulated traffic across the public IP network.
Routers in the public IP network use RLOCs to route packets between LISP sites.
RLOCs are the “outer” addresses used in LISP encapsulation.
Incorrect Answer Explanations:
❌ A. map server
The map server stores EID-to-RLOC mappings, but it does not directly forward traffic in the public IP network.
It is a control plane component, not a data plane component.
The map server provides information, but does not move the traffic.
❌ B. EID
EIDs (Endpoint Identifiers) are private IP addresses used within LISP sites.
They are not used for forwarding traffic across the public IP network.
EIDs are the “inner” addresses used in LISP encapsulation.
❌ C. map resolver
The map resolver is used to query the map server for EID-to-RLOC mappings.
It does not directly forward traffic in the public IP network.
The map resolver is a control plane component, used to find where to send traffic.
For a full set of 420 questions. Go to
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SkillCertPro offers detailed explanations to each question which helps to understand the concepts better.
It is recommended to score above 85% in SkillCertPro exams before attempting a real exam.
SkillCertPro updates exam questions every 2 weeks.
You will get life time access and life time free updates
SkillCertPro assures 100% pass guarantee in first attempt.
Question 6:
Choose the roaming type if a client device roams between access points located on different floors in an atrium and the access points joined to the same controller with configuration in local mode, while the access points are in different IP addresses, the client VLAN in the group is the same.
A. inter-subnet
B. inter-controller
C. intra-VLAN
D. intra-controller
Answer: D
Explanation:
✅ D. Intra-controller
When a client roams between access points (APs) that are:
Connected to the same wireless controller
Operating in local mode
Using different AP IP addresses but the same client VLAN
This is classified as an intra-controller roam because the controller maintains the client session, avoiding the need for Layer 3 mobility tunneling or re-authentication. The client retains the same IP address and VLAN assignment, ensuring a seamless transition.
Incorrect Answers:
❌ A. Inter-subnet
Reason: Inter-subnet roaming occurs when the client moves between APs that require a change in IP subnet. In this scenario, the VLAN remains the same, so it’s not an inter-subnet roam.
❌ B. Inter-controller
Reason: Inter-controller roaming happens when the client moves between APs managed by different wireless controllers. Since all APs in this scenario are connected to the same controller, this is incorrect.
❌ C. Intra-VLAN
Reason: While the client remains in the same VLAN, the correct term for this roaming type is intra-controller, as it specifically refers to the controller maintaining the session. “Intra-VLAN” is not a standard Cisco roaming classification.
Question 7:
bpduguard error detected on Gi0/0, putting Gi0/0 in errdisable state
If you got the above error while configuring port-channel, choose the config option to fix it.
A. spanning-tree bpdufilter enable
B. no spanning-tree bpduguard enable
C. spanning-tree bpduguard enable
D. no spanning-tree bpdufilter enable
Answer: B
Explanation:
B. no spanning-tree bpduguard enable
BPDU Guard is a feature that disables a port (puts it into the errdisable state) if it receives a BPDU (Bridge Protocol Data Unit). This is typically enabled on access ports to prevent accidental loops caused by connecting a switch to a port configured as an access port.
In this scenario, the port Gi0/0 is being configured as part of a port-channel, which means it should be allowed to receive BPDUs. However, BPDU Guard is enabled, causing the port to go into the errdisable state when it receives BPDUs.
To fix this issue, you need to disable BPDU Guard on the port using the command:
no spanning-tree bpduguard enable
A. spanning-tree bpdufilter enable
Incorrect: Enabling BPDU Filter would prevent the port from sending or receiving BPDUs. This is not a solution for the BPDU Guard issue and could cause problems in a port-channel configuration where BPDUs are necessary for STP (Spanning Tree Protocol) to function correctly.
C. spanning-tree bpduguard enable
Incorrect: This command enables BPDU Guard, which is the cause of the problem. Enabling it again would not resolve the issue.
D. no spanning-tree bpdufilter enable
Incorrect: Disabling BPDU Filter is not relevant to the issue. The problem is caused by BPDU Guard, not BPDU Filter.
Question 8:
What Cisco wireless component allows you to enable multiple controllers in a network to dynamically share information and forward data traffic when inter-controller or inter-subnet roaming occurs?
A. Mobility Groups
B. LISP
C. Mesh access points
D. FlexConnect
Answer: A
Explanation:
Mobility Groups in Cisco Wireless Networks
Mobility groups are essential in Cisco wireless networks, enabling seamless client roaming and optimized network performance. They consist of a logical grouping of access points (APs) that share critical information to maintain uninterrupted wireless connectivity.
Key Functions of Mobility Groups
1. Seamless Roaming – APs within a mobility group exchange data about:
Client associations
RF conditions
Network status
This allows clients to transition smoothly between APs without experiencing disconnections or service interruptions.
2. Load Balancing – Mobility groups facilitate the distribution of client connections across multiple APs, ensuring optimal performance and preventing network congestion.
Benefits
✔ Uninterrupted connectivity as clients move across the network.
✔ Optimized network performance through dynamic load distribution.
✔ Improved user experience with minimal latency and disruptions.
Question 9:
Choose the component that decides whether the client has access to the network if a wired client connects to an edge switch in an SDA fabric.
A. RADIUS server
B. ISE
C. control-plane node
D. edge node
Answer: B
Explanation:
✅ B. ISE
Cisco Identity Services Engine (ISE) is the core component that makes access control decisions in an SDA fabric. It handles authentication, authorization, and policy enforcement for wired and wireless clients.
Incorrect:
❌ A. RADIUS server
While RADIUS can be used for authentication, in an SDA fabric, ISE is the primary policy engine. RADIUS typically acts as an authentication source for ISE. ISE integrates with RADIUS, LDAP, and other sources.
❌ C. control-plane node
The control-plane node is responsible for network control functions, such as routing and fabric management. It does not directly make access control decisions for individual clients.
❌ D. edge node
The edge node provides the physical connection for clients to the network. While it enforces policies received from ISE, it does not make the initial access control decision. The edge node relies on ISE for authorization.
Question 10:
Choose the correct statement about TLS when using RESTCONF to write configurations on network devices
A. TLS required certificates for authentication.
B. TLS is provided using NGINX acting as a proxy web server.
C. TLS is no supported on Cisco devices.
D. TLS is used for HTTP and HTTPs requests.
Answer: A
Explanation:
✅ A. TLS requires certificates for authentication.
When using RESTCONF over HTTPS (which utilizes TLS), certificates are essential for establishing a secure, authenticated connection between the client and the network device. These certificates are used to verify the identity of the server and, optionally, the client.
Incorrect:
❌ B. TLS is provided using NGINX acting as a proxy web server.
While NGINX can be used as a proxy for RESTCONF, the TLS termination and encryption/decryption are typically handled directly by the network device’s embedded web server, not exclusively by an external proxy. Many network devices have their own embedded web servers, enabling secure communication.
❌ C. TLS is not supported on Cisco devices.
This is entirely incorrect. Cisco devices support TLS for various management interfaces, including RESTCONF. RESTCONF over HTTPS relies on TLS for secure communication.
❌ D. TLS is used for HTTP and HTTPS requests.
TLS is specifically used for HTTPS requests, which are HTTP requests secured with encryption. HTTP, on the other hand, is an unencrypted protocol. Therefore TLS is not used for HTTP.
For a full set of 420 questions. Go to
https://skillcertpro.com/product/cisco-ccnp-enterprise-350-401-encor-exam-questions/
SkillCertPro offers detailed explanations to each question which helps to understand the concepts better.
It is recommended to score above 85% in SkillCertPro exams before attempting a real exam.
SkillCertPro updates exam questions every 2 weeks.
You will get life time access and life time free updates
SkillCertPro assures 100% pass guarantee in first attempt.