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Home Nokia 4A0-115

Nokia 4A0-115 Exam Practice Questions (P. 1)

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Question #1
Which of the following statements about the EVPN data plane is FALSE?
  1. A
    EVPN allows a service provider to deliver multiple services over a single core network.
  2. B
    The customer data is encapsulated and then tunneled between the PE routers.
  3. C
    EVPN-MPLS encapsulated data has a label that uniquely identifies each service.
  4. D
    EVPN-MPLS provides services over a simple IP network.

Correct Answer:
D

Question #2
Based upon the exhibit, how many MAC-VRFs are there?
  1. A
    1
  2. B
    1
  3. C
    3
  4. D
    4

Correct Answer:
C

Question #3
Which of the following statements about multi-homing for a Layer-2 service is TRUE?
  1. A
    In the single-active mode, the CE requires a LAG to be configured between the CE and all attached PEs.
  2. B
    In the single-active mode, the CE forwards traffic to all attached PEs and receives traffic from a single PE.
  3. C
    In the all-active mode, all PEs attached to a CE can forward traffic to and from the CE.
  4. D
    The Nokia 7750 SR supports a CE being multi-homed to a maximum of two PEs.

Correct Answer:
C

Question #4
Which of the following statements about PE-to-PE MAC address advertisement is FALSE?
  1. A
    The service distinguisher (label or VNI) Is advertised with the MAC/IP EVPN update.
  2. B
    Route targets are used to uniquely identify routes between EVIs in the case of MAC address overlaps.
  3. C
    A PE uses a single MP-BGP session with a remote peer to exchange the routes for all EVIs.
  4. D
    A PE advertises locally-learned MAC addresses to remote PEs using EVPN type-2 routes.

Correct Answer:
B

Question #5
Which of the following statements about EVPN Layer-3 services that utilize the interface-ful model is TRUE?
  1. A
    EVPN MAC/IP routes are used to advertise the IP prefixes of subnets attached to a VPRN.
  2. B
    VPRN instances are interconnected using a supplementary broadcast domain (SBD) VPLS.
  3. C
    Intra-subnet traffic is carried over the tunnels provided by the SBD VPLS.
  4. D
    The MAC/IP routing Information is used to populate the VPRN routing table at the remote PEs.

Correct Answer:
B

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