Free Nokia 4A0-C02 Practice Exam with Questions & Answers | Set: 2

Name: How to Pass 4A0-C02 Exams
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SKU: 4a0-c02
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Questions 16

When using the AS-override method to prevent BGP loops in VPRNs, where should the "as-override" CLI command be configured?

Options:

On the PE facing the CE neighbor

On the CE facing the PE neighbor

On the P facing the PE neighbor

On the PE facing the PE neighbor

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Questions 17

What mechanism allows routes to be shared between customers in different VPRNs?

Options:

The routes to be shared are identified by common route targets

The routes to be shared are identified by common route distinguishers

The routes to be shared are identified by common AS numbers

The routes to be shared are identified by common VPN labels

Questions 18

Choose the best answer to describe the result of the configuration of an Alcatel-Lucent 7750 SR shown below?

Options:

The PE will install a maximum of 40 prefixes into the customer vrf and generate a log message when 40 routes are received

The PE will install a maximum of 40 prefixes into the customer vrf, and generate a log message both when 30 and 41 routes are received

The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 10 routes are received and disable learning of new routes at 41

The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 10 routes are received and drop the connection at 41

The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 4 routes are received and disable learning of new routes at 41

Questions 19

Click the exhibit.

4A0-C02 Question 19

For the inter-AS model B VPRN, which of the following is the correct BGP configuration on ASBR1?

4A0-C02 Question 19

Options:

Option A

Option B

Option C

Option D

Questions 20

When would it be appropriate to use the as-override command?

4A0-C02 Question 20

Options:

When sites of different VPRN customers use the same BGP AS number

When sites of the same VPRN customer use the same BGP AS number

When sites of different VPRN customers use different BGP AS numbers

When sites of the same VPRN customer use different BGP AS numbers

When the customer site AS number is the same as the provider AS number

Questions 21

Click the exhibit.

4A0-C02 Question 21

How many route targets and route distinguishers are required to implement the extranet VPRN?

Options:

Three route targets and three route distinguishers

Five route targets and three route distinguishers

Three route targets and two route distinguishers

Five route targets and two route distinguishers

Questions 22

Click the exhibit.

4A0-C02 Question 22

For the Inter-AS model B VPRN, which of the route updates for prefix 192.168.1.0/27 is incorrect?

Options:

The route update sent from PE1.

The route update sent from PE2.

The route update sent from ASBR1.

The route update sent from ASBR2.

Questions 23

VPN-IPv4 addressing is made unique by defining an address structure consisting of:

Options:

A 64-bit Route Target followed by a 32-bit IPv4 address.

A 64-bit Route Distinguisher followed by a 32-bit IPv4 address.

A 32-bit Route Distinguisher followed by a 32-bit IPv4 address.

A 32-bit Route Target followed by a 32-bit IPv4 address.

Questions 24

How was standard BGP modified to allow it to carry routing information for VPRNs?

Options:

By using the MED attribute to carry the OSPF metric.

By defining Extended Communities for use as the Route Target

By using the Cluster List attribute to carry the network prefix

By defining support for the VPN-IPv4 address family

By adding an additional field to the BGP Update to carry the VPRN label

Questions 25

Click the exhibit.

4A0-C02 Question 25

Router R4 is an Alcatel-Lucent 7750 SR configured for the extranet VPRN network. Which CLI command is executed on router R4 to produce the displayed output?

Options:

"show router 10 route-table"

"show router route-table"

"show router 20 route-table"

There is no CLI command that can produce this output on router R4

Questions 26

Which protocol is used to exchange customer VPRN routes between PE devices?

Options:

OSPF

ISIS

MP-BGP

BGP

Targeted LDP

Questions 27

Click the exhibit.

4A0-C02 Question 27

For the Inter-AS model B VPRN, which of the following about the inter-as-label output on ASBR1 is TRUE?

Options:

ASBR1 includes label 131069 in the route update sent to ASBR2.

ASBR1 includes label 131068 in the route update sent to ASBR2.

ASBR1 includes label 131068 in the route update sent to PEL

ASBR1 includes labels 131068 and 131069 in the route update sent to ASBR2.

Questions 28

A customer has two sites connected to PE-1 and a third site dual-homed to PE-2 and PE-3. If BGP is used as the PE-CE protocol, what is the total number of BGP and MP-BGP sessions required on PE-1 for a functional VPRN service? Assume that route reflection is not used.

Options:

0 BGP and 2 MP-BGP sessions

2 BGP and 0 MP-BGP sessions

2 BGP and 1 MP-BGP sessions

2 BGP and 2 MP-BGP sessions

1 BGP and 2 MP-BGP sessions

Questions 29

AVPLS spoke SDP is terminated on a VPRN service. The remote side of the spoke SDP is operationally * Down' with a flag of ' Service MTU Mismatch'. Which command can you use on an Alcatel-Lucent 7750 SR to show the signaled operational VC-MTU?

Options:

show service id base

show router Idp bindings

show service id sdp detail

show service id vc-mtu

Questions 30

Click the exhibit.

4A0-C02 Question 30