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Nokia 4A0-104 - Alcatel-Lucent Services Architecture

Page: 6 / 9
Total 288 questions

Which of the following about the Alcatel-Lucent 7750 SR's sdp-ping utility is FALSE?

A.

It tests uni-directional or round-trip in-band connectivity.

B.

It tests the reachability of hosts that are using an SDP.

C.

It tests the reachability of the far-end IP address of an SDP through its tunnel.

D.

It can be used by specifying only an SDP ID.

Click the exhibit.

Which OAM tool produced this output?

A.

vprn-ping

B.

sdp-ping

C.

traceroute

D.

Isp-trace

Which of the following about SDPs is FALSE?

A.

Spoke SDPs prevent loops in a VPLS.

B.

Mesh SDPs and spoke SDPs can be used in the same VPLS.

C.

A spoke SDP does not require the routers at both ends to be directly connected.

D.

A mesh SDP is identical to a spoke SDP except for its flooding behavior.

Which of the following statements best describes how an FDB is populated with MAC addresses in a VPLS service?

A.

A VPLS service does not use an FDB.

B.

The router reads the destination MAC address of packets passing through the service.

C.

The router reads the source MAC address of packets passing through the service.

D.

The router uses reverse ARP (RARP) to resolve the MAC addresses for unknown destinations.

E.

The router is programmed with MAC addresses by the network administrator.

Click the exhibit.

Assuming CE1 exports its system address using BGP, is a routing policy required on PE1 to advertise CE1's system address to PE2?

A.

Yes, A routing policy is required to advertise routes between PE routers in a VPRN regardless of the CE-PE routing.

B.

Yes, A routing policy is required in this case because BGP is used as the PE-CE routing protocol.

C.

No, a routing policy is not required. By default, the Alcatel-Lucent 7750 SR will advertise all VPRN routes between PE routers.

D.

No, a routing policy is not required on PE1, but an import policy is required on PE2.

Which one of the following commands on an Alcatel-Lucent 7750 SR can take a FEC as a parameter to verify if a packet for that FEC reaches the appropriate LER?

A.

ping

B.

sdp-ping

C.

svc-ping

D.

Isp-ping

Which of the following about SDPs is TRUE?

A.

SDP IDs must be locally unique.

B.

SDPs are specific to one service type.

C.

SDPs must use MPLS for their encapsulation.

D.

An SDP is required for a local service.

Click the exhibit.

This output is from PE router R1. Based on the output about VPRN 100,how many prefixes has router R1learned from CE router R5?

A.

0

B.

2

C.

3

D.

6

Click the exhibit.

R1and R4 are providing a VPRN for the CEs. Which of the following about the traceroute run on router R5 is TRUE?

A.

The traceroute will only show one hop: R5-R6.

B.

The traceroute will only show 2 hops; R5-R1 and R4-R6.

C.

The traceroute will only show 3 hops: R5-R1, R1-R4 and R4-R6.

D.

The traceroute will show one hop for each router in the provider core and one for each CE-PE hop.

Which of the following is a benefit of VPRN as compared to VPLS?

A.

Service providers can apply QoS, ingress/egress traffic shaping and policing on a per service basis.

B.

Different customers with overlapping address space can be accommodated.

C.

There is a clear demarcation of customer and service provider networks.

D.

Customers can connect to the same service using different subnets.