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4A0-C02 Practice Questions

Nokia SRA Composite Exam

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Question # 71

Click the exhibit.

Question # 71

Internet access using route leaking between the VRF and the global routing table is configured in the network. Which of the following is the correct output of route 192.168.50.1 in the global routing table of PE3?

Options:

A.  

A

B.  

B

C.  

C

D.  

D

Discussion 0
Question # 72

On a PE router, the VRF table for VPRN 10 contains: one local route, two BGP routes learned from a local C

E.  

and three tunneled routes learned from a remote site. If we execute the command "configure service vprn 10 maximum-routes 2 log-only" on this PE router, how many routes are expected to be in the VRF?

Options:

A.  

Five routes: the local route, the two BGP routes learned from the local CE, and two tunneled routes.

B.  

Six routes: the local route, the two BGP routes learned from the local CE, and three tunneled routes.

C.  

Two routes: the local route and one tunneled route.

D.  

Three routes: the local route and two tunneled routes.

E.  

Two routes: the local route and one BGP route learned from the local C

E.  

Discussion 0
Question # 73

On the Alcatel-Lucent 7750 SR, what is the maximum number of queues that a single SAP-ingress policy can support in a VPLS?

Options:

A.  

16

B.  

8

C.  

32

D.  

48

E.  

56

Discussion 0
Question # 74

Click the exhibit button below. Given the slope-policy (below), which of the following statements are TRUE? (Choose two)

Question # 74

Options:

A.  

All out-of-profile traffic will be dropped before that of any in-profile traffic.

B.  

The discard probability slope of an in-profile traffic is steeper than that of an out-of-profile traffic.

C.  

When the shared buffer utilization reaches 55%, both in-profile and out-of-profile packets may be dropped.

D.  

The maximum probability with which an out-of-profile packet can be dropped is higher than that of an in-profile packet.

E.  

When the shared buffer utilization is at 61%, only in-profile packets are currently in the shared buffer pool.

Discussion 0
Question # 75

A queue is configured with the following attributes:

MBS = 10KB

CBS = 5KB

High-Priority-Only = 30%

Assume that there is no CBS overbooking and that the slope-policy is disabled. If the current queue depth is 8KB, what will happen to an in-profile packet arriving in the queue?

Options:

A.  

It will be discarded because the high-priority-only threshold is exceeded.

B.  

It will be queued but re-marked as "out-of-profile."

C.  

It will be queued in the reserved portion of the buffer pool and remain "in-profile."

D.  

It will be queued in the shared portion of the buffer pool but contend for shared buffer space with packets from other queues.

E.  

It will be queued in the shared portion of the buffer pool but may be dropped if the buffer utilization exceeds the start-average value of the low slope.

Discussion 0
Question # 76

On the Alcatel-Lucent 7750 SR, where can network-queue policies be applied? (Choose two)

Options:

A.  

On the network egress port.

B.  

On the SDP.

C.  

On the access ingress port.

D.  

On the egress MD

A.  

E.  

On the SAP.

F.  

On the ingress MD

A.  

Discussion 0
Question # 77

If traffic is destined to queue 5, which has a high-priority-only value of 0 in the network-queue policy, all out-of-profile packets will be dropped.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Question # 78

A service provider is using GRE for his transport tunnel on the Alcatel-Lucent 7750 SR. How can traffic be marked as it traverses the service provider's network? (Choose two)

Options:

A.  

Using dot1p bits of the 802.1q Ethernet frame header

B.  

Using DSCP bits within the ToS field of the IP packet header.

C.  

Using the IP precedence bits within the ToS field of the IP packet header.

D.  

Using the CLP bit of the ATM cell header.

E.  

Using the EXP bits of the MPLS transport label header.

Discussion 0
Question # 79

Which of the following are possible criteria for classifying packets at the SAP-ingress? (Choose three)

Options:

A.  

The EXP bits in the MPLS header.

B.  

The packet's source and destination IP addresses.

C.  

The service ID of the service to which the SAP belongs.

D.  

The dot1p bits in the frame header.

E.  

The packet's Ethertype.

Discussion 0
Question # 80

Click the exhibit button below.

Question # 80

Based on the configuration shown below, name the forwarding class to be associated with a TCP packet encapsulated inside an Ethernet frame that arrives on SAP 1/1/5 with the following characteristics:

Destination IP address = 120.110.1.1

TCP port number = 23

DSCP value = nc1

Dot1pvalue = 3

Options:

A.  

H2

B.  

NC

C.  

L2

D.  

EF

E.  

H1

F.  

BE

Discussion 0
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