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The Dell SONiC Deploy Exam (D-SNC-DY-00)

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D-SNC-DY-00 Exam Dumps
  • Exam Code: D-SNC-DY-00
  • Vendor: EMC
  • Certifications: Networking
  • Exam Name: Dell SONiC Deploy Exam
  • Updated: Mar 25, 2026 Free Updates: 90 days Total Questions: 45 Try Free Demo

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EMC D-SNC-DY-00 Exam Domains Q&A

Certified instructors verify every question for 100% accuracy, providing detailed, step-by-step explanations for each.

Question 1 EMC D-SNC-DY-00
QUESTION DESCRIPTION:

Use the simulator to perform the following configuration task.

1. Map a single-tagged CVLAN 100 to SVLAN 200 translation on PE

switch interface Eth1/1.

2. Map a double-tagged VLAN packet with an outer CVLAN 100 and an

inner dot1q 200 to SVLAN 300 translation on PE switch interface

Eth1/2.

The necessary VLANs and VLAN stacking have already been configured.

D-SNC-DY-00 Q1

Correct Answer & Rationale:

Answer:

Answer:

see the explanation for all step by step solution with all explanation.

Explanation:

Here are the steps to configure the required VLAN translations on a Dell SONiC switch:

    Map a Single-Tagged CVLAN 100 to SVLAN 200 on Interface Eth1/1:

sonic# configure terminal

sonic(config)# interface Ethernet1/1

sonic(config-if-Ethernet1/1)# switchport mode trunk

sonic(config-if-Ethernet1/1)# switchport vlan mapping 100 200

sonic(config-if-Ethernet1/1)# end

sonic# write memory

    Map a Double-Tagged VLAN Packet with Outer CVLAN 100 and Inner dot1q 200 to SVLAN 300 on Interface Eth1/2:

sonic# configure terminal

sonic(config)# interface Ethernet1/2

sonic(config-if-Ethernet1/2)# switchport mode trunk

sonic(config-if-Ethernet1/2)# switchport vlan mapping 100 200 300

sonic(config-if-Ethernet1/2)# end

sonic# write memory

Comprehensive Detailed Step by Step Explanation with References:

    Enter Configuration Mode:

      Access the global configuration mode using the configure terminal command.

    Configure Interface Eth1/1:

      Enter interface configuration mode for Ethernet1/1 using the command interface Ethernet1/1.

      Set the switchport mode to trunk with the command switchport mode trunk.

      Configure the VLAN translation using the switchport vlan mapping 100 200 command, which maps CVLAN 100 to SVLAN 200.

      Exit the interface configuration mode by typing end.

      Save the configuration with write memory.

    Configure Interface Eth1/2:

      Enter interface configuration mode for Ethernet1/2 using the command interface Ethernet1/2.

      Set the switchport mode to trunk with the command switchport mode trunk.

      Configure the double-tagged VLAN translation using the switchport vlan mapping 100 200 300 command, which maps packets with outer CVLAN 100 and inner dot1q 200 to SVLAN 300.

      Exit the interface configuration mode by typing end.

      Save the configuration with write memory.

References:

    Dell Technologies Networking - SONiC

    Dell Enterprise SONiC Deployment Guide

These steps provide a comprehensive guide to configure VLAN translations on a Dell SONiC switch, ensuring that the specific requirements for single-tagged and double-tagged VLAN mappings are met.

Question 2 EMC D-SNC-DY-00
QUESTION DESCRIPTION:

A customer must configure a peer link between two switches in the L2 MC-LAG scenario.

SwitchB has already been configured. Configure the peer link on SwitchA.

Use the following configuration information:

MC-LAG domain 1

VLAN 101

Peer link Port-Channel 100

SwitchA IP: 192.168.1.1/24

SwitchB IP: 192.168.1.2/24

MC-LAG system MAC: 00:00:00:11:11:11

The physical ports to connect the peer switch are Eth 1/5 and Eth 1/6 for each switch.

D-SNC-DY-00 Q2

D-SNC-DY-00 Q2

Correct Answer & Rationale:

Answer:

Answer:

see the explanation for all step by step solution with all explanation.

Explanation:

Here are the steps to configure the peer link on SwitchA:

    Enter Configuration Mode:

SwitchA# configure terminal

    Create VLAN 101:

SwitchA(config)# vlan 101

    Create Port-Channel 100:

SwitchA(config)# interface port-channel 100

SwitchA(config-if-po100)# switchport mode trunk

SwitchA(config-if-po100)# switchport trunk allowed vlan 101

SwitchA(config-if-po100)# exit

    Assign Physical Interfaces to Port-Channel 100:

SwitchA(config)# interface ethernet 1/5

SwitchA(config-if-eth1/5)# channel-group 100 mode active

SwitchA(config-if-eth1/5)# exit

SwitchA(config)# interface ethernet 1/6

SwitchA(config-if-eth1/6)# channel-group 100 mode active

SwitchA(config-if-eth1/6)# exit

    Configure MC-LAG Domain 1:

SwitchA(config)# mclag domain 1

SwitchA(config-mclag-domain)# peer-link port-channel 100

SwitchA(config-mclag-domain)# local-ip 192.168.1.1

SwitchA(config-mclag-domain)# peer-ip 192.168.1.2

SwitchA(config-mclag-domain)# system-mac 00:00:00:11:11:11

SwitchA(config-mclag-domain)# exit

    Save Configuration:

SwitchA# 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 VLAN 101:

      Create VLAN 101 to be used for the MC-LAG peer link communication.

    Create Port-Channel 100:

      Enter the port channel interface configuration mode using interface port-channel 100.

      Set the port channel to trunk mode with switchport mode trunk.

      Allow VLAN 101 on the trunk with switchport trunk allowed vlan 101.

      Exit the port channel interface configuration mode.

    Assign Physical Interfaces to Port-Channel 100:

      Enter interface configuration mode for ethernet 1/5 and assign it to port channel 100 using the channel-group 100 mode active command.

      Exit the interface configuration mode.

      Repeat the same steps for ethernet 1/6.

    Configure MC-LAG Domain 1:

      Enter the MC-LAG domain configuration mode using mclag domain 1.

      Specify the peer link port channel with peer-link port-channel 100.

      Configure the local IP address as 192.168.1.1 using local-ip 192.168.1.1.

      Configure the peer IP address as 192.168.1.2 using peer-ip 192.168.1.2.

      Set the MC-LAG system MAC address using system-mac 00:00:00:11:11:11.

      Exit the MC-LAG domain configuration mode.

    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 the peer link for an MC-LAG scenario on SwitchA, ensuring the specific requirements for IP addressing, VLAN configuration, and port channel setup are met.

Question 3 EMC D-SNC-DY-00
QUESTION DESCRIPTION:

Create port channel 10 on interfaces Eth 1/11 and 1/12, so that it connects to an already configured switch. A server will be connected on Eth 1/1. Both the server and port channel need VLAN 1 untagged and only VLAN 10 tagged.

Complete the configuration on Switch A.

D-SNC-DY-00 Q3

D-SNC-DY-00 Q3

Correct Answer & Rationale:

Answer:

Answer:

see the explanation for all step by step solution with all explanation.

Explanation:

Here are the steps to configure the required port channel and VLAN settings on Switch A:

    Enter Configuration Mode:

SwitchA# configure terminal

    Create Port Channel 10:

SwitchA(config)# interface port-channel 10

SwitchA(config-if-po10)# switchport mode trunk

SwitchA(config-if-po10)# switchport trunk native vlan 1

SwitchA(config-if-po10)# switchport trunk allowed vlan 1,10

    Assign Interfaces Eth 1/11 and Eth 1/12 to Port Channel 10:

SwitchA(config)# interface ethernet 1/11

SwitchA(config-if-eth1/11)# channel-group 10 mode active

SwitchA(config-if-eth1/11)# exit

SwitchA(config)# interface ethernet 1/12

SwitchA(config-if-eth1/12)# channel-group 10 mode active

SwitchA(config-if-eth1/12)# exit

    Configure Interface Eth 1/1 for Server Connection:

SwitchA(config)# interface ethernet 1/1

SwitchA(config-if-eth1/1)# switchport mode trunk

SwitchA(config-if-eth1/1)# switchport trunk native vlan 1

SwitchA(config-if-eth1/1)# switchport trunk allowed vlan 1,10

SwitchA(config-if-eth1/1)# end

    Save Configuration:

SwitchA# write memory

Comprehensive Detailed Step by Step Explanation with References:

    Enter Configuration Mode:

      Start by entering the global configuration mode to make changes to the switch configuration.

    Create Port Channel 10:

      Enter the port channel interface configuration mode using interface port-channel 10.

      Set the port channel to trunk mode with switchport mode trunk.

      Specify VLAN 1 as the native VLAN (untagged) using switchport trunk native vlan 1.

      Allow VLANs 1 and 10 on the trunk with switchport trunk allowed vlan 1,10.

    Assign Interfaces Eth 1/11 and Eth 1/12 to Port Channel 10:

      Enter interface configuration mode for ethernet 1/11 and ethernet 1/12.

      Assign each interface to port channel 10 using the channel-group 10 mode active command.

      Exit the interface configuration mode.

    Configure Interface Eth 1/1 for Server Connection:

      Enter interface configuration mode for ethernet 1/1.

      Set the interface to trunk mode with switchport mode trunk.

      Specify VLAN 1 as the native VLAN using switchport trunk native vlan 1.

      Allow VLANs 1 and 10 on the trunk with switchport trunk allowed vlan 1,10.

      Exit the configuration mode.

    Save Configuration:

      Ensure the configuration is saved so it persists 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 port channel and VLAN settings on Switch A to meet the specified requirements for server and trunk connections.

Question 4 EMC D-SNC-DY-00
QUESTION DESCRIPTION:

VLAN 40 is configured in Switch A with an anycast-address of 192.168.40.254/24. The ARP neighbor suppression is enabled. Use the simulator to create a VTEP named vtep1 and assign an IP address of

10.10.10.1. Map the VNI 400 to VLAN 40.

D-SNC-DY-00 Q4

Correct Answer & Rationale:

Answer:

Answer:

see the explanation for all step by step solution with all explanation.

Explanation:

Here are the steps to create the VTEP and map the VNI to the VLAN:

    Enter Configuration Mode:

SwitchA# configure terminal

    Create VTEP Interface:

SwitchA(config)# interface vtep1

SwitchA(config-if-vtep1)# ip address 10.10.10.1/24

SwitchA(config-if-vtep1)# exit

    Map VNI 400 to VLAN 40:

SwitchA(config)# vlan 40

SwitchA(config-vlan)# vn-segment 400

SwitchA(config-vlan)# exit

    Enable ARP Neighbor Suppression:

SwitchA(config)# interface Vlan40

SwitchA(config-if-Vlan40)# ip address 192.168.40.254/24

SwitchA(config-if-Vlan40)# vxlan arp-suppression

SwitchA(config-if-Vlan40)# exit

    Save Configuration:

SwitchA# write memory

    Enter Configuration Mode:

      Begin by entering the global configuration mode to make changes to the switch configuration.

    Create VTEP Interface:

      Enter the interface configuration mode for the VTEP interface named vtep1 using interface vtep1.

      Assign the IP address 10.10.10.1/24 to the VTEP interface using the ip address command.

      Exit the interface configuration mode.

    Map VNI 400 to VLAN 40:

      Enter the VLAN configuration mode for VLAN 40 using vlan 40.

      Map the VNI 400 to VLAN 40 using the vn-segment 400 command.

      Exit the VLAN configuration mode.

    Enable ARP Neighbor Suppression:

      Enter the interface configuration mode for VLAN 40 using interface Vlan40.

      Assign the anycast IP address 192.168.40.254/24 to the VLAN interface using the ip address command.

      Enable ARP neighbor suppression using the vxlan arp-suppression command.

      Exit the interface configuration mode.

    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 VTEP and map the VNI to VLAN 40 on Switch A, ensuring the specific requirements for IP addressing and ARP neighbor suppression are met.

Question 5 EMC D-SNC-DY-00
QUESTION DESCRIPTION:

Configure the system to meet these requirements.

. Configure R1 with AS 1.

. R1 must use a static neighbor assignment for BGP peering.

. R1 needs to redistribute all current and future connected IPv4 routes.

All the required BGP configurations have already been completed on R2.

R2 resides in BGP AS 2.

D-SNC-DY-00 Q5

D-SNC-DY-00 Q5

Correct Answer & Rationale:

Answer:

Answer:

see the explanation for all step by step solution with all explanation.

Explanation:

Here is the step-by-step configuration for R1:

    Enter BGP Configuration Mode:

R1# configure terminal

R1(config)# router bgp 1

    Configure the BGP Neighbor:

R1(config-router)# neighbor 10.10.12.2 remote-as 2

    Redistribute Connected Routes into BGP:

R1(config-router)# redistribute connected

    Exit BGP Configuration Mode and Save the Configuration:

R1(config-router)# end

R1# write memory

Comprehensive Detailed Step by Step Explanation with References:

    Enter BGP Configuration Mode:

      To configure BGP on R1, you need to enter global configuration mode and then enter BGP configuration mode with the AS number. Since R1 is in AS 1, you use the command router bgp 1.

    Configure the BGP Neighbor:

      BGP neighbors must be manually specified. In this case, R1 ' s neighbor is R2, which has an IP address of 10.10.12.2 and resides in AS 2. The command neighbor 10.10.12.2 remote-as 2 establishes this relationship.

    Redistribute Connected Routes into BGP:

      To ensure that all connected routes on R1 are advertised via BGP, you use the redistribute connected command. This ensures that any connected IPv4 routes are redistributed into BGP, meeting the requirement to advertise current and future connected routes.

    Exit BGP Configuration Mode and Save the Configuration:

      Once the configuration is complete, you exit BGP configuration mode by typing end and then save the configuration with the write memory command. This ensures that the changes persist after a reboot.

References:

    Cisco BGP Configuration Guide

    Dell Technologies Networking - SONiC

    Dell Enterprise SONiC Deployment Guide

These steps provide a comprehensive guide to configure R1 to meet the specified requirements for BGP peering and route redistribution.

Question 6 EMC D-SNC-DY-00
QUESTION DESCRIPTION:

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.

D-SNC-DY-00 Q6

Correct Answer & Rationale:

Answer:

Answer:

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.

Question 7 EMC D-SNC-DY-00
QUESTION DESCRIPTION:

What is ECMP?

  • A.

    A Layer 3 routing feature to forward traffic using multiple available paths

  • B.

    A routing protocol database filter supporting a maximum of four paths

  • C.

    A round-robin path distribution mechanism

  • D.

    A routing protocol with multipath support

Correct Answer & Rationale:

Answer: A

Explanation:

ECMP (Equal-Cost Multi-Path) is a Layer 3 routing feature that allows traffic to be forwarded using multiple available paths of equal cost. This improves bandwidth utilization and provides redundancy. ECMP is commonly used in modern networks to optimize the flow of traffic and increase the resiliency of network connections.

References:

    Dell Technologies SONiC documentation

    ECMP Configuration Guide

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