nokia 4A0-C01 Exam Questions
Questions for the 4A0-C01 were updated on : Nov 21 ,2025
Page 1 out of 57. Viewing questions 1-15 out of 852
Question 1
Which of the following comparisons between E-pipes and VPLSes is FALSE?
- A. They both function as a Layer 2 switch from the service provider's perspective.
- B. They both support SAP encapsulations of null, dot1Q and Q-in-Q.
- C. They both use SAPs as the demarcation point between the customer and the provider.
- D. MAC addresses are learned by VPLSes, but not by E-pipes.
Answer:
A
Question 2
Click the exhibit.
The two PEs are providing 6VPE and IPv4 VPRNs. The core network is IPv4/MPLS. Which of the
following is the BGP family configuration for the MP-BPG on the PEs?
- A. family ipv4 ipv6
- B. family vpn-ipv4ipv6
- C. family vpn-ipv4 vpn-ipv6
- D. family ipv6 vpn-ipv6
Answer:
C
Question 3
Which of the following about VPRNs is TRUE?
- A. Customers must use the same routing protocol as the service provider.
- B. Customers belonging to the same VPRN service must use the same subnet.
- C. Service providers only need to perform configurations on the PEs to add additional VPRNs.
- D. For each VPRN, only one customer can be connected at each PE.
Answer:
C
Question 4
Which of the following about route distinguishes on the Alcatel-Lucent 7750 SR is TRUE?
- A. Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.
- B. CE routers use a route distinguisher to indicate which VPRN they are associated to.
- C. A route distinguisher combined with an IPv4 prefix produces a VPN-IPv4 prefix.
- D. Route distinguishes are used to determine which routes a VPRN should import.
Answer:
C
Question 5
Click the exhibit.
The operator at PE1 wants to analyze the traffic between CE4 and PE2. On an Alcatel-Lucent 7750 SR,
which of the following is required as part of the configuration?
- A. Both PE1 and PE2 need a mirror source.
- B. PE2 needs a mirror source with the remote source specified.
- C. PE1 needs a mirror source with the remote source specified.
- D. Both PE1 and PE2 need a mirror destination.
- E. PE2 needs a mirror destination that specifies a SAP.
Answer:
D
Question 6
Which of the following about the Isp-ping command on the Alcatel-Lucent 7750 SR is FALSE?
- A. An echo request is sent based on the LSP's label stack.
- B. Echo reply packets may not take the same path as the LSP.
- C. The IP destination address is used to initiate echo requests,
- D. The test fails if the LSP is not operationally up.
Answer:
C
Question 7
A VPLS receives a frame with the single VLAN tag 35 on the Q-in-Q SAP 1/1/1:35.*. Which of the
following describes default Alcatel-Lucent 7750 SR behavior?
- A. The frame is dropped.
- B. The VLAN tag is removed, and the frame is transported over the network.
- C. The VLAN tag is kept, and the frame is transported over the network.
- D. The VLAN tag is kept, a VLAN of 0 is added, and the frame is transported over the network.
Answer:
B
Question 8
An SDP using GRE encapsulation is configured for an E-pipe service. The network port used by the
SDP has an MTU of 8000. What value does the SDP path MTU have by default on an Alcatel-Lucent
7750 SR?
- A. 7958
- B. 7978
- C. 8022
- D. 8042
Answer:
A
Question 9
On which object is ADSPEC enabled?
- A. SDP
- B. Network port
- C. LSP
- D. Service
- E. RSVP
Answer:
C
Question 10
A VPLS has a service MTU of 1600. To create an IES spoke termination to the VPLS, what ip-mtu value
must be used for the IES?
- A. 1586
- B. 1596
- C. 1600
- D. 1614
Answer:
A
Question 11
What Alcatel-Lucent 7750 SR OAM tool can be used to verify the end-to-end connectivity of a
service?
- A. Sdp-ping
- B. Isp-ping
- C. Svc-ping
- D. Sdp-mtu
Answer:
C
Question 12
What happens by default on an Alcatel-Lucent 7750 SR when a VPLS accepts a tagged frame at the
ingress SAP 1/1/1:100?
- A. The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network.
- B. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.
- C. The FCS is verified and removed from the frame. The VLAN tag is kept for transport over the network.
- D. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.
Answer:
D
Question 13
A network consists of four PE routers. A customer requires a VPLS and has sites connected to each
PE. The VPLS is fully meshed using IP/MPLS. How many SDPs must be configured on each PE?
- A. 3
- B. 4
- C. 6
- D. 8
Answer:
A
Question 14
Which of the following about VPLS MAC learning is TRUE?
- A. Mesh SDPs assist MAC learning by flooding traffic to other mesh SDPs.
- B. A PE keeps a single FDB for all VPLSes it has.
- C. Frames received on a SAP that are broadcast, multicast or unknown are flooded.
- D. The FDB only stores the MAC addresses of remote sites.
Answer:
C
Question 15
Which of the following about SDPs is FALSE?
- A. An SDP is not required for a local service.
- B. A single SDP can carry different types of services.
- C. An SDP can simultaneously support GRE and MPLS encapsulation.
- D. An SDP can use the system IP address to indicate the far-end router.
Answer:
C