Download the Latest 4A0-C02 Dumps - 2021 4A0-C02 Exam Questions [Q357-Q380]

Download the Latest 4A0-C02 Dumps - 2021 4A0-C02 Exam Questions

Latest Nokia 4A0-C02 Certification Practice Test Questions

Nokia 4A0-C02 Exam Syllabus Topics:

Topic	Details
Topic 1	Describe the operation of advanced VPRN topologies and services Verify and troubleshoot the results of the policies configurations
Topic 2	Describe the operation of the basic VPRN architecture Explain the interaction between BGP and interior gatewayprotocol (IGP)
Topic 3	Configure and verify BGP advertise-external, add-paths, and FRR on Nokia SR Describe the operation of BGP fast reroute
Topic 4	Understand full, hub and spoke, and extranet VPRN topologies Plan and implement a basic BGP network using Nokia SR OS
Topic 5	Explain the concept of a hierarchical VPLS and its benefits for large VPLS networks Describe the advantages of a VPLS and configure a VPLS service
Topic 6	Successfully configure, monitor and troubleshoot a network of multiple BGP peers Implement BGP policies in an Nokia environment
Topic 7	Define management VPLS (M-VPLS) and how it can be used with STP to provide redundancy and load balancing Explain BGP add-paths feature
Topic 8	Describe the operation of providing Internet access using various techniques Demonstrate a sound understanding of BGP mechanics and the role of BGP attributes
Topic 9	Explain the key scalability concerns in large VPLS deployments Manage a VPLS infrastructure, and troubleshoot and repair a misconfigured VPLS
Topic 10	Understand the operation of Inter-AS VPRN model A, model B and model C Describe the effect of using advertise-external feature on BGP route propagation
Topic 11	Implement loop control mechanisms such as rapid spanning tree in a VPLS environment Describe the role of BGP in service provider networks
Topic 12	Describe the basic Internet Architecture and related elements Scale iBGP by deploying confederations or route reflections
Topic 13	Implement loop prevention in VPRN using multiple techniques Describe the use of active and standby pseudowires to achieve redundancy instead of STP

 

NEW QUESTION 357
Click the exhibit.

For the inter-AS model B VPRN, which of the following protocols is used to advertise routes between PE1 and ASBRI?

• A. MP-iBGP
• B. iBGP
• C. MP-eBGP
• D. eBGP

Answer: A

 

NEW QUESTION 358
Click the exhibit.

If router A originates a BGP route for prefix 192.168.0.1/27, what will the update contain when it reaches router B?

• A. AS Path of 65200, Next Hop of router A, Origin of IGP.
• B. Null AS Path, Next Hop of router A, Origin of incomplete.
• C. Null AS Path, Next Hop of router A, Origin of IGP.
• D. AS Path of 65200, Next Hop of router A, Origin of incomplete.

Answer: C

 

NEW QUESTION 359
Click the exhibit button below. A network operator has configured the SAP-ingress policy below. Ping traffic is expected in queue 3. However, the network operator notices that all traffic is placed in queue 1. What is the most probable reason for this?

• A. The SAP has been shut down.
• B. The default forwarding class for all traffic, including ICMP, is BE, which is placed in queue 1.
• C. Queue 3 has no rate or CIR configured and thus cannot hold any packets.
• D. The SAP-ingress policy has not been applied to the SAP.
• E. The IP-match criteria has been misconfigured for ICMP traffic.

Answer: D

 

NEW QUESTION 360
Routers RR1 and RR2 are route reflectors with the same Cluster-ID . When the update for prefix
192.168.1.0/27 is received at router RA2, what are the Originator_ID and Cluster_List attributes?

• A. Neither the Originator_ID nor the Cluster_List is set.
• B. Originator_ID of RX; and Cluster_List of 10.16.10.1.
• C. Originator_ID of RR1; and Cluster_List of 10.16.10.1.
• D. Originator_ID of RR1; and the Cluster_List is not set.

Answer: A

 

NEW QUESTION 361
Which OAM tool can be used to dynamically learn the MAC address of a CE device connected to a SAP within a VPLS service?

• A. oam mac-ping
• B. oam mac-populate
• C. oam cpe-ping
• D. oam svc-ping
• E. oam mac-trace

Answer: C

 

NEW QUESTION 362
Which of the following statements about the VC-ID is false?

• A. There is a vc-id to vc-label mapping.
• B. The vc-id is part of the data plane encapsulation.
• C. The vc-id has point to point significance.
• D. The vc-id is signaled in the control plane.

Answer: B

 

NEW QUESTION 363
What is the MTU impact on the SDP path-mtu if fast reroute facilities-mode is implemented on the LSP?

• A. The path-mtu will increase by 8 bytes.
• B. The path-mtu will decrease by 8 bytes.
• C. The path-mtu will increase by 4 bytes.
• D. The path-mtu will decrease by4 bytes.
• E. There will be no impact on the path-mtu.

Answer: D

 

NEW QUESTION 364
The SAP on PE-A has been configured with dot1q encapsulation. The SAP on PE-B has been configured with qinq encapsulation. CE-A sends frames with a single tag of 100. The VLAN tag from CE-A must be passed transparently. CE-B is expecting a frame with a top tag of 200 and bottom tag of 100. Which of the following is the correct SAP id for PE-B?

• A. sap 1/1/1:200.100
• B. sap 1/1/1:200*
• C. sap 1/1/1:0*
• D. sap 1/1/1:*

Answer: B

 

NEW QUESTION 365
It is necessary for Tier 1 schedulers to obtain bandwidth from a higher tier scheduler.

• A. FALSE
• B. TRUE

Answer: A

 

NEW QUESTION 366
Routers RR1 and RR2 are configured as route reflectors. For the inter-AS model C VPRN, which of the following about the BGP sessions established between the routers is TRUE?

• A. ASBR2 has a total of three BGP sessions established: one with PE2, one with RR2, and one with ASBR1.
• B. PE2 has a total of two BGP sessions established: one with RR2 and one with ASBR2.
• C. RR1 has a total of three BGP sessions established: one with PEL one with RR2, and one with ASBRL
• D. PE1 has a total of two BGP sessions established: one with RR1 and one with PE2.

Answer: C

 

NEW QUESTION 367
Which of the following about the Route Target is TRUE?

• A. The Route Target is added to an IPv4 route to create the VPN-IPv4 route.
• B. A route can have only one Route Target.
• C. The Route Target is a 64-bit value added to customer prefixes to make them unique.
• D. The Route Target is an extended community string that identifies VPN membership.

Answer: D

 

NEW QUESTION 368
Which of the following about BGP loops in a VPRN environment is FALSE?

• A. In VPRN implementations where the CE-PE protocol is BGP, it is possible for separate sites of the same customer to use the same BGP autonomous system number.
• B. When the CLI command "config>router>bgp# loop-detect discard-route" is used, the Alcatel-Lucent 7750 SR sends a notification to the remote peer and drops the BGP session.
• C. Traditional BGP loop detection mechanisms may detect a loop in the VPRN scenario, which in fact is not present.
• D. The Alcatel-Lucent 7750 SR accepts routes containing AS_PATH loops by default.

Answer: B

 

NEW QUESTION 369
To manage the shared buffer space at network ports, slope policies are applied on _________ for the ingress direction, and on ________ or _________ for the egress direction.

• A. Ports, ports, MDAs
• B. MDAs, ports, interfaces
• C. Interfaces, ports, SAPs
• D. Interfaces, interfaces. MDAs
• E. MDAs, MDAs, ports

Answer: E

 

NEW QUESTION 370
What is an SLA? (Choose two)

• A. An SLA is an agreement between a customer and a provider that dictates the treatment of customer traffic across the provider's network.
• B. An SLA allows customers to control all traffic within the service provider's network by prioritizing their traffic over others as desired.
• C. An SLA is used to provide automated, real-time testing and alarming for throughput, latency, and jitter across a provider's network.
• D. An SLA allows a customer to pre-mark traffic and ensure that traffic is treated as per the agreement within the provider's network.
• E. An SLA is a standard set of network QoS policies that a provider shares to all its customers, allowing them to better understand the treatment of traffic within the provider's network.

Answer: A,D

 

NEW QUESTION 371
Click the exhibit.

AS 65100 is advertising 192.168.1.0/27 into BGP. Which of the following AS Paths would the prefix 192.168.1.0/27 contain when viewed on router R8?

• A. 65200 (65206 65202) 65100
• B. (65206 65202)65100
• C. 65250 (65206 65202) 65100
• D. 65200 65100

Answer: D

 

NEW QUESTION 372
When configuring the CE with the selected CE-PE routing protocol on an Alcatel-Lucent 7750 SR, which of the following statements is true? (Choose three.)

• A. A routing policy may or may not be required depending on the routing requirements and routing protocol
• B. The protocol is configured under the config>service context
• C. The interface leading to the PE is defined as a protocol neighbor
• D. The routing protocol used must be the same as the routing protocol used at other CE-PE locations in the same VPN.
• E. The protocol is configured under the global router context

Answer: A,C,E

 

NEW QUESTION 373
Click the exhibit.

One Route Distinguisher is assigned per VRF. If CE1 and CE2 advertise prefix 10.1.1.0/24, which of the following statements is FALSE?

• A. The route reflector reflects two routes for prefix 10.1.1.0/24.
• B. PE1 and PE2 advertise the same VPN route to the route reflector.
• C. The route reflector receives two routes for prefix 10.1.1.0/24; one from PE1 and one from PE2.
• D. PE3 receives two routes and is able to load balance traffic across PE1 and PE2.

Answer: B

 

NEW QUESTION 374
What class of attribute is Originator_ID?

• A. Optional non-transitive.
• B. Well-known mandatory.
• C. Well-known discretionary.
• D. Optional transitive.

Answer: A

 

NEW QUESTION 375
Click on the exhibit below.

The following IP filter has been configured and applied to a SAP in a non-VPLS service. Which of the following statements is true?

• A. The filter entry will be ignored and traffic matching the criteria will be forwarded
• B. Traffic matching entry 20 will be forwarded to sdp 100:1.
• C. All traffic matching entry 20 will be dropped.
• D. An error will be generated and the configuration will not be allowed.

Answer: C

 

NEW QUESTION 376
Click the exhibit button below.

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

• A. EF
• B. H1
• C. BE
• D. L2
• E. NC
• F. H2

Answer: D

 

NEW QUESTION 377
In inter-AS model C VPRN, which of the following about the command "advertise-label ipv4" is TRUE?

• A. This command is required on the ASBRs to exchange labeled IPv4 routes between the ASs.
• B. This command is required on all PE routers to distribute labeled IPv4 routes to connected CEs.
• C. This command is required on all PE routers to distribute labeled IPv4 routes directly to PEs in remote AS.
• D. This command is required on the route reflectors to exchange customer routes between ASs as labeled IPv4 routes.

Answer: A

 

NEW QUESTION 378
Which of the following statements describe the primary objectives of the policing of traffic flows on the Alcatel-Lucent 7750 SR? (Choose two)

• A. Minimize packet loss and reduce end to end latency.
• B. Ensure that variable latencies do not cluster short bursts of originally conforming packets and render them nonconforming.
• C. Log violations of metered traffic flows exceeding the CIR value set on the entity across which the traffic is moving.
• D. Provide fairness between traffic flows, so that conforming (in-profile) traffic flows are not starved of bandwidth and/or buffer space by non-conforming (out-of-profile) flows.
• E. Ensure that traffic flows conform to their traffic profile.

Answer: D,E

 

NEW QUESTION 379
What command is required to configure the PE devices for a VPRN service on an Alcatel-Lucent 7750 SR?

• A. Address-family vprn
• B. Address-family vpn-ipv4
• C. Family vpn-ipv4
• D. Family vprn-ipv4
• E. Address-family vprn-ipv4
• F. Family vprn

Answer: C

 

NEW QUESTION 380
......

Verified 4A0-C02 Dumps Q&As - 1 Year Free & Quickly Updates: https://www.fast2test.com/4A0-C02-premium-file.html