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Exam
: Alcatel-Lucent 4A0-103
Title
: Alcatel-Lucent Multiprotocol
Label Switching
Version : Demo
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1. Which factor is a primary cause of IP hyper-aggregation?
A. IP routing protocols do not always select the best route to a destination
B. IP routing protocols always select multiple routes to a destination
C. IP routing protocols do not make use all available network attributes to select a path
D. Improper network design results in limited network path redundancy
Answer: C
2. Inspecting the MPLS header in the received packet and exchanging it for a new MPLS header is the
function of which device?
A. iLER
B. LER
C. LSR
D. PE
E. eLER
Answer: C
3. Choose the answer that best completes the following statement. The device at the beginning of an LSP is
referred to as the ____ while the device at the end of an LSP is referred to as the ____.
A. PE, P
B. LER, LSR
C. LSR, LER
D. iLER, eLER
E. eLER, iLER
F. P, PE
Answer: D
4. Which of the following statements are true regarding the roles of devices in an MPLS domain? Choose 2
answers.
A. An LER is located internal to the provider domain and switches labeled packets
B. An LSR is located internal to the provider domain and switches labeled packets
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C. An LSR is located at the boundary of the provider domain and may forward labeled or unlabeled packets
D. An LER is located at the boundary of the provider domain and may forward labeled or unlabeled packets
Answer: BD
5. Receiving labeled packets from the MPLS domain, removing the MPLS header and forwarding unlabeled
packets outside the MPLS domain is the function of which device?
A. LER
B. LSR
C. PE
D. iLER
E. eLER
Answer: E
6. What are the functions of the control plane in a MPLS router? Choose 2 answers.
A. Route exchange
B. Label sw