4A0-C02 Nokia SRA Composite Exam exact Exam Questions

Nokia SRA Composite Exam

Last Update 16 hours ago Total Questions : 639

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Question # 76

How does the IEEE 802.1ag loopback function differently from the loopback feature in 802.3ah? (Choose 2)

Theloopbackfuntionin802.1ag is an intrusive test that will stop customer data.

The loopback function of 802.lag is a non-intrusive " ping " sent from a MEP to a remote MEP or MIP.

The loopback function in 802.3ah is an intrusive test that will loop customer data.

The loopback function of 802.lag is an intrusive test that will " loop " all customer data back to the original sender.

Question # 77

What kind of BGP attribute is the Local Preference?

Optional transitive attribute.

Optional non-transitive attribute.

Well-known mandatory attribute.

Well-known discretionary attribute.

Question # 78

Click the exhibit.

An update travels from AS 135000 to AS 137000, traversing both 32-bit and 16-bit AS paths.

What will the AS Path be when the update reaches AS 137000?

140000 200 135000

137000 140000 200 135000

140000 23456 135000

135000 200 140000

Question # 79

Click on the exhibit below.

Assume PE-1 has a mesh-sdp configured to every PE node in both Metro networks. What could be done to prevent the bandwidth replication between Metro 1 and Metro 2?

PE-1 must be configured with mesh-SDPs to every node receiving the multicast traffic. There is no way to reduce the replication or bandwidth.

PE nodes in Metro 1 could be configured with mesh-SDPs. PE nodes in Metro 2 would be configured with mesh-SDPs. However, the connection between Metro networks (PE-2 to PE-6) can be configured with a spoke-sdp. This would reduce the replication and bandwidth used on the link between Metro networks. This also reduces the replication required by PE-1.

PE-1 can be configured with spoke-SDPs to every PE node in both Metro networks. This will reduce the bandwidth and replication within the network.

PE nodes in Metro 1 could be configured with spoke-SDPs. PE nodes in Metro 2 would be configured with spoke-SDPs. However, the connection between Metro networks (PE-2 to PE-6) can be configured with a mesh-sdp. This would reduce the replication and bandwidth used on the link between Metro networks. This also reduces the replication required by PE-1.

Question # 80

Which of the following statements regarding unicastand multicast frames is true for a traditional layer 2 switch? (Choose 2)

Multicast frames only forward out ports that have a known receiver.

Unicast frames only forward out ports that have a known receiver.

If the FDB is empty, unicast and multicast frames are treated equally.

If the FDB has an entry for the unicast frame, both unicastand multicast are treated equally.

Question # 81

How is it possible for multiple services to be carried over the same MPLS LSPs?

Multiple SDPs must be configured and bound to the LSPs for this to be possible.

It is not possible to carry multiple services over the same MPLS LSPs.

A vc-label is signaled per service.

The vc-id is part of the data plane and maps the traffic to the appropriate service.

Question # 82

Which of the following is a true statement?

In a dynamic environment where MAC addresses are changing rapidly, the lower the age-time, the larger the fdb-table-size should be.

In a dynamic environment where MAC addresses are changing rapidly, the higher the age-time, the larger the fdb-table-size should be.

In a dynamic environment where MAC addresses are changing rapidly, the higher the age-time, the smaller the fdb-table-size should be.

There is no relationship between the age-time and the fdb-table-size.

Question # 83

Which of the following best describes the difference between VPWS and VPLS?

Unlike VPLS. VPWS appears as a multi-hop network to the customers.

Unlike VPLS, VPWS allows CEs that are member of the same service instance to communicate with each other as if they are connected via a bridged LAN.

Unlike VPWS, VPLS allows customers to view the network as a routed network.

Unlike VPWS, VPLS is a service where customer MAC addresses are learned.

Question # 84

A router receives two routes from its neighbors: a route from OSPF for 10.0.0.0/24, and a route from BGP for 10.0.0.0/8. Both routes have reachable next hops. Which of the following is TRUE?

Only the BGP route is in the route table.

Both routes are in the route table.

None of the routes is in the route table.

Only the OSPF route is in the route table.

Question # 85

What is the default Alcatel-Lucent 7750 SR TTL of a BGP advertisement between confederation members?

255

Question # 86

Assuming that " client1 " and " client2 " are directly-connected networks, what is the result of executing the following BGP export policy?

" client2 " routes will be only tagged with communities ' East ' ' and " South " .

" client2 " routes will be tagged with community " East " .

" client2 " routes will only be tagged with community " South " .

" client2 " routes will be rejected.

Question # 87

An autonomous system has 7 routers configured with BGP. How many iBGP sessions are required for a fully meshed configuration?

Question # 88

An Alcatel-Lucent 7750 SR is configured with a policy to export directly-connected networks to BGP. Which of the following commands verifies that the export was successful?

show router route-table

show router bgp routes

show router bgp routes < prefix > hunt

show router bgp neighbor < ip-address > received-routes

Question # 89

After configuring OSPF as the PE to CE routing protocol for a VPRN service you get the following output from an Alcatel-Lucent 7750 SR: What is most likely wrong with the configuration?