4A0-103 Exam Questions
266 real 4A0-103 exam questions with expert-verified answers and explanations. Page 3 of 6.
- Question #101
Click on the exhibit. Initially, all links have 800Mbps of unreserved bandwidth. All links are of equal costs. Shared explicit reservation style is used. LSP 1 is signaled first wi...
- Question #102
Click on the exhibit. A fully loose LSP "toR6" is enabled with FRR protection. All links have the same cost. After the link between R2 and R4 goes down, FRR protection repairs the...
- Question #103
Which of the following about configuring an LSP path definition on an Alcatel-Lucent 7750 SR is FALSE?
- Question #104
Which of the following regarding the MPLS SWAP label operation is TRUE?
- Question #105
Which of the following about T-LDP on the Alcatel-Lucent 7750 SR is FALSE?
- Question #106
Using facility mode fast reroute, how does the PLR learn the address of the MP?
- Question #107
Click on the exhibit. An LDP-over-RSVP tunnel is established between routers R1 and R6. There is a VPN service running between routers R1 and R6. Which of the following is TRUE?
- Question #108
Click on the exhibit. A fully loose LSP MtoR6" is enabled with FRR protection. All links have the same cost. After the link between R2 and R4 goes down, FRR protection repairs the...
- Question #109
Click on the exhibit. An LSP path is established on router R1 toward router R6. If the link between routers R4 and R6 goes down, which of the following is the quickest way for serv...
- Question #110
Which of the following about the Alcatel-Lucent 7750 SR command "own Isp-trace" is FALSE?
- Question #111
Which of the following about Fast Reroute node protection tunnels is FALSE?
- Question #112
Which of the following about CAC is FALSE?
- Question #113
Click on the exhibit. Why might router R2 have a Link LDP session to R1 (10.10.10.1:0) but not to R3 (10.10.10.3:0)?
- Question #114
What MPLS function should be performed by a router that receives a data packet with an MPLS label value of 0?
- Question #115
Click on the exhibit. All links are of equal cost. A CSPF-enabled LSP is configured on R1 to R6. Its fully loose primary path is configured with an "include green" statement and th...
- Question #116
Click on the exhibit. LSP "toR8-5" requests fast reroute protection. What could be done to remove the Failure Code shown?
- Question #117
An Alcatel-Lucent 7750 SR has its TE update threshold enabled with the up threshold set to 40%. The maximum reservable bandwidth on the link is 200M and 30M have already been reser...
- Question #118
Click on the exhibit. An LDP tunnel is established on R1-R2-R4-R6 because the link between routers R3 and R6 is down. With the LDP-IGP Sync feature enabled and after the link is re...
- Question #119
Click on the exhibit. Router R2 advertises the aggregate prefix 10.10.10.0/24 into Area 1. Why would LDP aggregate-prefix-match be enabled on router R3?
- Question #120
Click on the exhibit. An LSP traverses R1-R2-R3-R6 and one-to-one fast reroute is enabled. If the protected LSP transports two labels, and router R2 has failed, how many labels wil...
- Question #122
Click on the exhibit. Both Path-1 and Path-2 are down. If Path-2 becomes available again, how does the headend router select the secondary LSP path?
- Question #123
Which of the following is NOT required to configure an Alcatel-Lucent 7750 SR as a PE router running 6PE?
- Question #124
Click on the exhibit. RSVP state for LSP 1 has timed out on router R3. Which of the following actions will router R3 initiate to clear the RSVP session?
- Question #125
Click on the exhibit. All links have 1Gbps unreserved bandwidth initially and Shared Explicit reservation style is used. After the LSP's primary and standby secondary paths are sig...
- Question #126
Which of the following about an established LDP session is TRUE?
- Question #127
Which of the following about an LSP protected with one-to-one FRR is TRUE?
- Question #128
Click on the exhibit. An LSP's primary path takes R1-R3-R5-R6. Its fully loose secondary path is configured for SRLG. All links are of equal cost. Which path will the secondary pat...
- Question #129
Which of the following describes constraint-based routing?
- Question #130
Which of the following is NOT an advantage of MPLS shortcuts for BGP traffic?
- Question #131
Which of the following about MPLS fast reroute is TRUE?
- Question #132
Which of the following about LDP sessions is TRUE?
- Question #133
Which of the following messages is NOT used in T-LDP operation?
- Question #134
Which of the following best describes downstream on demand label distribution?
- Question #135
Click on the exhibit. After the Isp-ping command is executed, which of the following best describe the router's action?
- Question #136
Which of the following describes 6PE?
- Question #137
Click on the exhibit. An LDP tunnel is established on R1-R2-R4-R6 because the link between routers R3 and R6 is down. With the LDP-IGP Sync feature enabled, what happens immediatel...
- Question #138
Click on the exhibit. When router R1 forwards a PATH message to router R2, which of the following about the PATH message's IP header is TRUE?
- Question #139
Click on the exhibit. The path of a fast reroute protected LSP is R1-R2-R3. Which of the following about the protected LSP path is TRUE?
- Question #140
Click on the exhibit. LSP 1's link between routers R3 and R6 has failed, and the RESV state at router R3 has timed out. Which of the following actions will router R3 initiate?
- Question #141
Click on the exhibit. This policy is applied on a router as an LDP export policy and an LDP session has been established between this router and its neighboring router. In addition...
- Question #142
Fill in the blanks: A ________device has all interfaces inside the provider domain, and a _______ device has at least one interface outside the provider domain.
- Question #143
Click on the exhibit. Which of the following is FALSE?
- Question #144
Which of the following regarding the location of an MPLS label is FALSE?
- Question #145
What is the purpose of a T-LDP session?
- Question #146
If an LSP needs to use an admin group, which of the following configurations is NOT required on the Alcatel-Lucent 7750 SR?
- Question #147
Which of the following about Type 10 opaque LSAs is TRUE?
- Question #148
Consider a device that uses per-platform label space; which of the following fields is NOT contained in the LFIB?
- Question #149
Which of the following about label modes on the Alcatel-Lucent 7750 SR is FALSE?
- Question #150
How does a DMP inform the downstream routers that it has merged detour tunnels?
- Question #151
Which MPLS label mode saves label mappings received from all peer LSRs?