4A0-110 Online Practice Questions and Answers
Which of the following debug statements can be used to troubleshoot if the OSPF adjacency is staying at xstart state? Select two answers.
A. Debug router ospf rtm
B. Debug router ospf packet dbdescr
C. Debug router ospf neighbor
D. Debug router ospf packet hello
E. Debug router ospf spf
A SDP is created on Node-2 with the far end address set to Node-3. The SDP stays down on Node-2. Based on the following CLI output from Node 2, what is the caused of the problem?
A. No LDP link session between Node 2 and Node 4
B. No LDP link session between Node 4 and Node 3
C. No LDP link session between Node 1 and Node 4
D. No LDP link session between Node 3 and Node 2
E. None of the above
Based on the following CLI Output, why is the path toPod3-loose down?
A. Path toPod3-loose is down because it is secondary path with no standby configured
B. Path toPod3-loose is down because there is no explicit hop specified
C. Path toPod3-loose is down because CSPF is not enabled
D. Path toPod3-loose is down because the destination address 0.10.1.3 is not reachable
E. Path toPod3-loose is not down because the failure code is oError
LSP toNode3 is configured on Node1, all hops configured in the lsp path and lsp destination address are reachable via IGP. Both primary and secondary LSP paths are down with failure code equal toRoute ToDestionation. What is the potential cause of this problem?
A. A loose hop has to be configured in path toNode3-loose
B. The secondary path should not be configured as standby path
C. No traffic engineering information is exchanged by the IGP protocol
D. CSPF cannot be enabled with strict hop path
E. MPLS should not be enabled on interface toPod3
What MPLS tunnel label(s) will be used in the data packet traveling on LSP toR4 FRR leaving from Node 3 to Node 4?
A. 131069 131068
B. 131068 3
C. 131069
D. 131068
E. No label is used in the data packet
Which one of the following CLI can be used to view all management VPLS configured on a 7x50?
A. Show service service-using m-vpls
B. Show service service-using
C. Show router vpls detail
D. Show service id
E. There is no CLI command to display management VPLS
Due to same VPLS mis-configuration, traffic (e.g.ping) is not work between PC1 and PC 2. Choose the best explanation for the problem.
A. MTU is not configured on all sdp
B. SDP id has to match on all three nodes
C. STP has to be enabled on all three nodes
D. No SAP is configured on Node-2
E. Spoke-sdp has to be used on all three nodes
The mesh-sdp binding for a VPLS configured on Node 1 is down with an error serviceMTUMismatch. One sap is configured in the VPLS and it is up with default mtu 1514. The LDP binding display on Node 1 shows that there is a mismatch on the MTU value. What are the required configurations on Node 1 to bring the VPLS up?
A. Set the sap port mtu to 9176
B. Set the service-mtu to 9176
C. Set the service-mtu to 9190
D. Set the sap port mtu to 9190
E. Set the service-mtu to 1514
VPRN 300 is configured between Node 3 and Node 4. Node 4 receives VPN routes from Node 3 and imports them into the VRF. The entire route-table is displayed below for VPRN 300 on Node
4. When attempting a ping from VPRN 300 on Node 4 to 30.1.1.1 the ping fails. A ping from Node 3 within VPRN 300 to 30.1.1.1 is successful. What is the cause of the problem?
A. No local interface existed in VPRN 300 route-table on Node 4
B. Syntax problem in the ping command
C. Prefix 30.1.1.1 does not exist on the far-end
D. Source address has to be specified in the ping command
E. Next-hop address has to be specified in the ping command
Which one of the following routes should be the best BGP route according to the Alcatel VPRN route selection criteria?
A. The 1st route
B. The 2nd route
C. The 3rd route
D. The 4th route
E. Node of the above