2026 Updated Nokia 4A0-D03 Certification Study Guide Pass 4A0-D03 Fast [Q28-Q45]

NEW QUESTION 28
Which of the following statements about the decoupled gateway-based data center interconnect solution is FALSE?

VLAN tags are used to identify traffic between the data center border leaf and the WAN PE.

The EVPN services in the data center are interconnected to different VPN services in the WAN.

The separation between the border leaf and the WAN PE provides a clear demarcation for security and QoS.

The WAN PE maintains a peering session with the data center route-reflector for the exchange of updates.

NEW QUESTION 29
Consider the exhibit.

dcgw10 is a Nokia 7750SR and is used as the integrated gateway.
Which of the following is NOT configured in VPLS 100 on dcgw10?

The EVI to be used by the VPLS.

A VXLAN instance with the VNI for the VPLS.

A BGP instance with two unique route targets.

The BGP instance bound to the MPLS tunnels toward dcgw20.

NEW QUESTION 30
Consider the exhibit.

All IP-VRFs are configured properly and are operational.
Which of the following statements is FALSE?

One of the leaf routers will be elected DF.

All connected leaf routers will use single active redundancy.

The AD per EVI update will be used to identify which connected leaf is primary.

All traffic destined to 40.40.40.0/24 will be forwarded through Leaf3 due to the BGP connection to the CE VNF.

NEW QUESTION 31
Which of the following statements about MAC mobility is TRUE?

The original PE advertises the locally learned MAC with the sequence number set to a maximum value.

A PE advertising a local MAC that was previously learned through EVPN, will decrement the sequence number in its update.

The originating PE generates a withdraw message after the same locally learned MAC has aged out.

The originating PE and the destination PE must synchronize their MAC tables.

NEW QUESTION 32
When configuring the EVPN MP-BGP route reflector sessions between the leaf and spine routers, which of the following statements is TRUE?

The local-AS number configured within the BGP group will override the AS number configured directly under the BGP protocol.

The cluster-id that uniquely identifies this route reflector session is configured on the route reflector and participating clients.

When redundant route reflectors are deployed, one route reflector will be the primary while the other one will assume a backup role.

Route reflectors can be used instead of a full mesh of eBGP sessions between the leaf and spine routers.

NEW QUESTION 33
A host is connected to multiple PEs through multi-homing.
Which of the following is NOT a function of the EVPN route-type 4 route?

Allows the other PEs to discover which PEs are connected to the same Ethernet segment.

Triggers the election of a designated forwarder.

Identifies the type of algorithm to be used in the election process.

Identifies the redundancy mode of the Ethernet segment.

NEW QUESTION 34
Which of the following statements about the configuration of a Layer 3 multi-homing with a centralized router is FALSE?

The centralized router must be a member of the Ethernet segment.

All routers participating in the Ethernet segment must have the multi-homing mode set to all-active.

Remote leaf routers can load balance traffic to customer prefixes through the leaf routers connected to the Ethernet segment.

The centralized router will advertise the customer prefixes using an EVPN route-type 5 update.

NEW QUESTION 35
Which of the following statements about EVPN PE-CE routing, using BGP as the routing protocol, is FALSE?

The PE advertises IPv4/IPv6 BGP updates to the CE based on the EVPN routes received from other PEs.

The PE advertises updates received from the CE as EVPN route type 5 updates to the other PEs.

iBGP is preferred between the CE and PE so that they will be in the same autonomous system.

The PE and CE can utilize import and export policies to control the updates that are sent and received.

NEW QUESTION 36
Which of the following statements about the configuration of a distributed Layer 2 EVPN in a Nokia SR Linux is FALSE?

Each PE participating in the Layer 2 EVPN must be configured with the same EVPN instance ID (EVI).

The route distinguisher is auto-generated using the autonomous system number and EVI.

Only one VXLAN-interface can be associated to the Layer 2 EVPN.

The route-targets are manually configured when the leaf routers are in different autonomous systems.

NEW QUESTION 37
Which EVPN route-type (RT) is used in multi-homing scenarios to support aliasing and fast convergence?

RT-1 Ethernet Auto-Discovery

RT-2 MAC/IP Advertisement

RT-3 Inclusive Multicast Ethernet Tag

RT-4 Ethernet Segment

NEW QUESTION 38
Which of the following EVPN route-types is used to implement aliasing?

Ethernet segment routes

AD per EVI routes

AD per ES routes

IP/MAC routes

NEW QUESTION 39
Consider the exhibit.

All three of the leafs have a MP-BGP EVPN session to the route-reflector Spine-1. Leaf-1, Leaf-2 and Leaf-3 have existing instances of an L2 EVPN named MAC VRF-1. Host-1 has just sent its first Ethernet frame into MAC VRF-1 on Leaf-1.
Which of the following steps is FALSE?

Leaf-1 populates Host-1’s MAC address learnt on the local interface to its MAC table.

Leaf-1 generates an EVPN route-type 5 update with Host-1’s MAC address and sends it to the route reflector.

The route-reflector forwards the EVPN update to Leaf-2 and Leaf-3.

Leaf-2 and Leaf-3 import the EVPN update based upon the route target.

NEW QUESTION 40
A host is connected to multiple PEs through multi-homing.
Which of the following is NOT a function of the EVPN route-type 4 route?

Allows the other PEs to discover which PEs are connected to the same Ethernet segment.

Identifies the redundancy mode of the Ethernet segment.

Identifies the type of algorithm to be used in the election process.

Triggers the election of a designated forwarder.

NEW QUESTION 41
Which of the following statements about a L3 EVPN network using symmetric routing is FALSE?

Each participating PE must support the use of EVPN route-type 5.

Ingress and egress PEs perform MAC and IP forwarding.

A routed-VXLAN interface is required on a per IP-VRF basis.

Each MAC-VRF used in the L3 EVPN network must exist on each PE.

NEW QUESTION 42
Consider the exhibit.

Which of the following statements about the configuration and operation of this setup is TRUE?

The MAC-VRF on Leaf1 and Leaf2 is configured with multi-homing-mode all-active.

The MAC-VRF on Leaf3 will need to be configured with ECMP to be able to load balance between Leaf1 and Leaf2.

The host will be required to be configured with a LAG.

The Ethernet segment ES-1 will be associated to the ports that connect to the host.

NEW QUESTION 43
A host is connected to a MAC-VRF on leaf1 and leaf2. The MAC-VRF interfaces on leaf1 and leaf2 are associated to an Ethernet segment configured for active-standby multi-homing.
Which of the following statements is FALSE?

Leaf1 and leaf2 will hold an election to identify which leaf router will be the DF for the MAC-VRF.

Only the DF will accept traffic from the host.

The DF will forward all BUM traffic from the remote PEs to the host.

The non-DF is capable of forwarding unicast traffic from the remote PEs to the host.

NEW QUESTION 44
Consider the exhibit.

Which of the following is NOT configured on dcgw10 to support the Layer 3 VPN connectivity?

The base BGP instance to support vpn-ipv4 and evpn address families.

A routed VXLAN interface for the VPRN instance.

A binding of the VPRN instance to the MPLS tunnels towards dcgw20.

A vrf-target matching the vrf-target on dcgw20 in the VPRN instance.

NEW QUESTION 45
Which of the following statements about PE-CE routing is FALSE?

There are two methods to implement routing between the PE and CE, static and dynamic.

BGP is the preferred option for PE-CE routing as it scales better than static routing.

eBGP is preferred which means that the PE and CE are required to be in different autonomous systems.

The CE advertises BGP EVPN route type 5 updates to the PE and the PE forwards to other PEs.

2026 Updated Nokia 4A0-D03 Certification Study Guide Pass 4A0-D03 Fast [Q28-Q45]

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