2025年最新のに更新された検証済みの合格させるD-SNC-DY-00学習ガイドベスト問題集を使おう Courses
究極なガイドはD-SNC-DY-00最新版限定公開
EMC D-SNC-DY-00 認定試験の出題範囲：
| トピック | 出題範囲 |
|---|---|
| トピック 1 |
|
| トピック 2 |
|
| トピック 3 |
|
質問 # 23
Which network devices route unencapsulated user traffic in a symmetric IRB overlay network?
- A. Autonomous system boundary router and source VTEP
- B. Capability extended next hop router and leaf router
- C. Leaf router and spine router
- D. Source VTEP and destination VTEP
正解：D
解説：
In a symmetric Integrated Routing and Bridging (IRB) overlay network, the Source Virtual Tunnel End Point (VTEP) and the Destination VTEP route unencapsulated user traffic. Symmetric IRB ensures that routing occurs at both the ingress and egress VTEPs, allowing for optimized traffic flow and efficient network operations.
References:
* Dell Technologies SONiC documentation
* VXLAN Configuration Guide
質問 # 24
What does the show vian command display?
- A. Only VLANs in an active state
- B. All configured VLANs
- C. All 4094 VLANs
正解：B
解説：
The show vlan command displays all configured VLANs on the device, including their status, ports, and other relevant details. It does not limit the display to only active VLANs or all possible VLANs but shows those that are currently configured.
References:
* Dell Technologies SONiC Command Reference Guide
* Dell Networking Configuration Guide
質問 # 25
Which network devices route unencapsulated user traffic in a symmetric IRB overlay network?
- A. Autonomous system boundary router and source VTEP
- B. Capability extended next hop router and leaf router
- C. Leaf router and spine router
- D. Source VTEP and destination VTEP
正解：D
解説：
In a symmetric Integrated Routing and Bridging (IRB) overlay network, the Source Virtual Tunnel End Point (VTEP) and the Destination VTEP route unencapsulated user traffic. Symmetric IRB ensures that routing occurs at both the ingress and egress VTEPs, allowing for optimized traffic flow and efficient network operations.
References:
* Dell Technologies SONiC documentation
* VXLAN Configuration Guide
質問 # 26
What is the correct order of steps for data flow in asymmetric IRB frame encapsulation?
正解：
解説：
Explanation:
* Ingress VTEP performs a route lookup that is based on the destination IP address.
* Ingress VTEP encapsulates the packet with VXLAN and sends it on the appropriate VNI segment.
* Egress VTEP determines that the host is local to the VNI and switches the packet.
* Egress VTEP bridges the packet after decapsulation.
Steps and Correct Order:
* Ingress VTEP performs a route lookup that is based on the destination IP address.
* The ingress VTEP (Virtual Tunnel Endpoint) first needs to determine the next hop for the packet.
This involves performing a route lookup using the destination IP address.
* Ingress VTEP encapsulates the packet with VXLAN and sends it on the appropriate VNI segment.
* Once the route lookup is complete, the ingress VTEP encapsulates the packet in a VXLAN header, which includes the appropriate VNI (VXLAN Network Identifier) segment, and forwards it.
* Egress VTEP determines that the host is local to the VNI and switches the packet.
* The egress VTEP receives the encapsulated VXLAN packet, decapsulates it, and then checks its local VNI to determine if the destination host is within the same VNI.
* Egress VTEP bridges the packet after decapsulation.
* After determining the destination host's locality, the egress VTEP bridges the packet to the appropriate interface to deliver it to the final destination.
References:
* Dell Technologies Networking - SONiC
* Dell Enterprise SONiC Deployment Guide
These steps provide a comprehensive guide to understand the correct order of operations in asymmetric IRB (Integrated Routing and Bridging) frame encapsulation within a VXLAN environment.
質問 # 27
What is the purpose of the write erase boot command option?
- A. Delete the startup and enable zero touch provisioning.
- B. Delete the running configuration and all user accounts.
- C. Remove user-installed packages and tile changes.
- D. Delete the startup configuration and the management interface configuration.
正解：A
解説：
The write erase boot command option deletes the startup configuration and enables zero touch provisioning (ZTP). This is used to reset the switch to its default state and prepare it for automated configuration through ZTP.
References:
* Dell Technologies SONiC Command Reference Guide
* Switch Configuration Guide
質問 # 28
Which three actions are required to route traffic sourced from voice servers to a dedicated Internet link''
- A. Create a policy-map and attach the configured class-map and set the next-hop IP
- B. Attach a policy to the egress interface
- C. Create an ACL that selects IPs of voice servers
- D. Create a class-map and attach that ACL.
- E. Create a class-map and attach an ACL with the IP of the next-hop to it.
正解：A、B、C
解説：
To route traffic from voice servers to a dedicated Internet link, the following steps are necessary:
* Create an ACL that selects IPs of voice servers (B): This ACL will match the traffic coming from the specified IP addresses of the voice servers.
* Create a policy-map and attach the configured class-map and set the next-hop IP (D): The policy-map will use the class-map to identify the voice server traffic and then set the next-hop IP for routing.
* Attach a policy to the egress interface (C): The policy-map must be applied to the egress interface to ensure that the traffic is routed correctly.
References:
* Dell SONiC QoS Configuration Guide
* Dell Technologies InfoHub
Feel free to refer to the Dell SONiC documentation and Dell Technologies InfoHub for more detailed explanations and additional context.
質問 # 29
How many port channels can be assigned to a single port?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
解説：
According to the Dell SONiC documentation, a single physical port can be a member of only one port channel at a time. This restriction ensures the consistency and integrity of link aggregation configurations.
References:
* Dell Networking SONiC: How to Configure Port Channels
* Dell Technologies InfoHub
質問 # 30
What is a correct use-case scenario for ZTP in Enterprise SONiC?
- A. The user wants to replace a failed unit and use an automatic script.
- B. The user wants to configure the switch manually using the CLI.
- C. The user wants single pane of glass monitoring.
- D. The user wants multivendor switch deployment.
正解：A
解説：
ZTP (Zero Touch Provisioning) is used to automate the configuration of switches, especially useful in scenarios where a failed unit needs to be replaced. By using ZTP, the switch can automatically download and apply the necessary configuration scripts upon boot-up, reducing the need for manual intervention and speeding up the deployment process.
References:
* Dell Technologies SONiC documentation
* Zero Touch Provisioning Guide
質問 # 31
Configure a VRF called "VrfGreen" and the static route in it to network 172.16.128.64/28 through next-hop
10.10.10.1. Set an administrative distance of 213.
正解：
解説：
see the explanation for all step by step solution with all explanation.
Explanation:
Here are the steps to configure the VRF and the static route:
* Enter Configuration Mode:
sonic# configure terminal
* Create VRF "VrfGreen":
sonic(config)# ip vrf VrfGreen
* Configure the Static Route:
sonic(config)# ip route vrf VrfGreen 172.16.128.64/28 10.10.10.1 213
* Save Configuration:
sonic# write memory
Comprehensive Detailed Step by Step Explanation with References:
* Enter Configuration Mode:
* Begin by entering the global configuration mode to make changes to the switch configuration.
* Create VRF "VrfGreen":
* Use the command ip vrf VrfGreen to create a new VRF named "VrfGreen". This command sets up a new VRF instance which will isolate the routing table for this VRF from the global routing table and other VRFs.
* Configure the Static Route:
* Use the command ip route vrf VrfGreen 172.16.128.64/28 10.10.10.1 213 to configure the static route.
* ip route vrf VrfGreen specifies that the route should be added to the "VrfGreen" VRF.
* 172.16.128.64/28 is the destination network.
* 10.10.10.1 is the next-hop IP address.
* 213 is the administrative distance, which in this case is set to a non-default value to influence route preference.
* Save Configuration:
* Save the configuration to ensure the changes persist after a reboot using the write memory command.
References:
* Dell Technologies Networking - SONiC
* Dell Enterprise SONiC Deployment Guide
These steps provide a comprehensive guide to configure a VRF and a static route within that VRF on a SONiC-based switch, ensuring the specific requirements for routing and administrative distance are met.
質問 # 32
What is a correct use-case scenario for ZTP in Enterprise SONiC?
- A. The user wants to replace a failed unit and use an automatic script.
- B. The user wants to configure the switch manually using the CLI.
- C. The user wants single pane of glass monitoring.
- D. The user wants multivendor switch deployment.
正解：A
質問 # 33
Which two elements must be included in the show mclag interface x x command?
- A. Peer-link port channel number
- B. MC-LAG domain id
- C. MC-LAG VLAN id
- D. MC-LAG port channel number
正解：A、D
解説：
The show mclag interface command provides information about the multi-chassis link aggregation (MC-LAG) configuration. Essential elements that must be included are the peer-link port channel number and the MC-LAG port channel number. These parameters are critical for identifying the interface and its associated link aggregation settings.
References:
* Dell SONiC Command Reference Guide
* Dell Technologies InfoHub
Topic 1, SIMULATION / Lab based
質問 # 34
An administrator issues The ztp enable and show ztp status commands. What two objectives are they trying to accomplish?
- A. Remove the ZTP function from the switch.
- B. Administratively enable the ZTP process.
- C. Disable the ZTP process.
- D. Check on the progress of the ZTP process.
正解：B、D
解説：
The ztp enable command is used to administratively enable the Zero Touch Provisioning (ZTP) process on the switch. This process allows the switch to automatically download and apply configuration files upon boot-up without manual intervention. The show ztp status command is used to check on the progress and status of the ZTP process, providing information about whether the process is active, completed, or encountered any issues.
References:
* Dell Technologies SONiC documentation
* Dell Networking Configuration Guide
質問 # 35
Which two things does the no vrrp 100 address-family ipv6 command delete?
- A. Identifier
- B. Authentication
- C. Address-family
- D. Version
- E. Interface
正解：A、C
解説：
The no vrrp 100 address-family ipv6 command deletes the VRRP (Virtual Router Redundancy Protocol) identifier (A) and the address-family configuration (D) for VRRP group 100. This effectively removes the VRRP configuration for the specified address family.
References:
* Dell Technologies SONiC documentation
* VRRP Configuration Guide
質問 # 36
An administrator for a service provider uses this command on a switch:
What is the result of running the command?
- A. Maps the VLAN traffic that a TPID identifies to a VNI on a VTEP
- B. Maps the VLAN traffic that a CVLAN identifies to a VNI on a VTEP
- C. Maps the VLAN traffic that an SVLAN identifies to a VNI on a VTEP
正解：C
解説：
The command interface vxlan vtep-stacking followed by map vni 10010 vlan 100 maps the VLAN traffic that an SVLAN identifies to a VNI on a VTEP. In this context, SVLAN (Service VLAN) is being mapped to a VXLAN Network Identifier (VNI) for encapsulation and transport across the VXLAN tunnel.
References:
* Dell Technologies SONiC documentation
* VXLAN Configuration Guide
質問 # 37
How many times must BGP be configured when running symmetric IRB with two VFRs?
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
解説：
When running symmetric Integrated Routing and Bridging (IRB) with two Virtual Forwarding Routers (VFRs), BGP must be configured twice. Each VFR will have its own BGP instance to handle the routing information.
References:
* Dell Technologies SONiC Routing Guide
* Dell Networking Configuration Guide
質問 # 38
Refer to the exhibit.
What is the purpose of the static route?
- A. Verify that devices in VLAN 45 are reachable.
- B. Verify that the 12.0.0.0 network is active and reachable.
- C. Provide a route to the 192.168.45.0 network.
- D. Provide a route to the 12.0.0.0 network.
正解：D
解説：
The static route shown in the exhibit S* 12.0.0.0/16 via 192.168.45.254 Vlan45 is used to provide a route to the 12.0.0.0 network. This static route directs traffic destined for the 12.0.0.0/16 network through the gateway at 192.168.45.254, which is associated with VLAN 45. This configuration is typically used to ensure that traffic can reach a specific network via a defined path.
References:
* Dell Technologies SONiC Routing Guide
* Dell Networking Configuration Guide
質問 # 39
What are two characteristics of route maps in Enterprise SONIC?
- A. Each route map clause has the type values of Match. Set. and Act.
- B. Route-map names are not case-sensitive.
- C. The permit or deny clause In route maps permits or rejects the matching routes from being redistributed.
- D. They are a series of commands that contain a matching criterion and action.
正解：C、D
解説：
Route maps in Enterprise SONIC are used for controlling and modifying routing information. They contain a series of commands with matching criteria and actions. The permit or deny clause within route maps determines whether the matching routes are permitted or denied from being redistributed.
References:
* Dell Technologies SONiC Route Map Configuration Guide
* Dell Networking Configuration Guide
質問 # 40
A deployment requires routing and dynamic access control lists. What bundle must be used for this deployment?
- A. Enterprise Standard
- B. Enterprise Standard
- C. Edge Standard
- D. Cloud Premium
正解：B
解説：
For a deployment that requires routing and dynamic access control lists, the appropriate bundle to use is the Enterprise Standard bundle. This bundle includes advanced routing capabilities and supports dynamic access control lists for comprehensive network management and security.
References:
* Dell Technologies SONiC documentation
* Dell Networking Bundle Configuration Guide
質問 # 41
What are three characteristics of VLAN translation?
- A. Trunk or access ports can be configured as members of any VLANs that are not used as an SVLAN.
- B. VLAN translation is not supported on MC-LAG port channel interfaces.
- C. By default, VLAN stacking is enabled on Z9432F-ON switches.
- D. SVLAN configuration for both Q-in-Q VLAN tunneling and VLAN translation is possible on the same interface.
- E. The SVLAN header is replaced with a VNI if the provider network uses a VXLAN overlay.
正解：A、B、D
解説：
* VLAN translation is not supported on MC-LAG port channel interfaces (A): This is a restriction commonly seen in network configurations involving Multi-Chassis Link Aggregation (MC-LAG) where VLAN translation capabilities are not applied.
* Trunk or access ports can be configured as members of any VLANs that are not used as an SVLAN (B): This ensures that the VLAN configuration on trunk or access ports is flexible and does not overlap with Service VLANs (SVLANs).
* SVLAN configuration for both Q-in-Q VLAN tunneling and VLAN translation is possible on the same interface (E): This allows for complex VLAN tagging and translation configurations to be applied to the same interface, supporting advanced networking scenarios.
References:
* Dell Technologies SONiC documentation
* Dell Networking Configuration Guide
質問 # 42
......
問題集で返金保証付きのD-SNC-DY-00承認済み問題集：https://jp.fast2test.com/D-SNC-DY-00-premium-file.html