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4A0-109

Alcatel-Lucent Triple Play Services

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Exam A

QUESTION 1What is the format of the VRRP virtual MAC address?

A. 00-00-5E-00-01-<VRID>B. 01-00-5E-00-01-<VRID>C. 5E-00-01-00-00-<VRID>D. 5E-00-00-00-01-<VRID>

Correct Answer: ASection: (none)Explanation

Explanation/Reference:answer is valid.

QUESTION 2Which file format is used to store the subscriber accounting file on an Alcatel-Lucent 7750 SR?

A. TXTB. PDFC. RTFD. XML

Correct Answer: DSection: (none)Explanation

Explanation/Reference:Explanation:

QUESTION 3Which of the following describes the port mode required to support ESM over MPLS on an Alcatel- Lucent7750 SR?

A. The port mode must be "access".B. The port mode must be "network" .C. The port mode must be "hybrid" .D. The port mode must be "pw-port" .

Correct Answer: CSection: (none)Explanation


QUESTION 4For application assurance, which field can NOT be used to identify an application?


A. Server IP address

B. HTTP user-agentC. DSCP valueD. TCP port



QUESTION 5Which of the following methods encapsulates IPv6 packets into an IPv4 tunnel?

A. Dual-Stack Lite (DS-Lite)B. Native I Pv4/IPv6 dual-stackC. 6RDD. Carrier-Grade NAT (CGN)


Explanation/Reference:assessed answer.

QUESTION 6Where and in which direction is a virtual-port typically instantiated?

A. On the BNG, towards the InternetB. On the BNG, towards the BSANC. On the BSAN, towards the BNGD. On the BSAN, towards the RG

Correct Answer: BSection: (none)Explanation


QUESTION 7Which of the following is NOT a characteristic of the Alcatel-Lucent Triple Play solution?

A. Always on and always availableB. Supports data, voice, and video simultaneouslyC. High bandwidthD. Low number of concurrent connections


Explanation/Reference:authentic answer.

QUESTION 8Which of the following were NOT roles of a traditional BNG?

A. Logical termination of PPP sessionsB. Authentication of subscribers using 802.1xC. Default gateway to the InternetD. Enforce QoS policies



QUESTION 9Which of the following is NOT part of the aggregation network?

A. BSAB. BSANC. B-RASD. BNG


Explanation/Reference:trustful answer.

QUESTION 10In a numbered PPPoE WAN scenario, the RG sends which address assignment option to the DHCPv6server in the Solicit message?

A. IA_NA onlyB. IA_PDonlyC. Neither IA_NA and IA_PDD. Both IA NA and IA PD


Explanation/Reference:appropriate,

QUESTION 11Which of the following is NOT a function of the BSAN?

A. Tagging upstream traffic towards the aggregation networkB. DHCP relay/proxying and maintaining the lease-state tableC. Adding DHCP option 82D. Switching VLAN tagged traffic towards the subscriber



QUESTION 12

By default what does a DHCP client do when it receives multiple offers from DHCP servers?

A. It accepts the last offer received.B. It accepts the first offer received.C. It accepts the offer from the DHCP server marked master in the DHCP-offer messages.D. It accepts the offer from the DHCP server with the lowest MAC address.


Explanation/Reference:amended answer.

QUESTION 13Which parameters can be inserted in the Relay-forward message from the BNG to the DHCPv6 server?

A. Service ID and circuit IDB. Circuit ID and remote IDC. Interface ID and remote IDD. Service ID and interface ID


Explanation/Reference:great answer.

QUESTION 14If PPPoE relay agent is enabled, which PPPoE discovery messages will not be intercepted by the BSAN?

A. PADIB. PADOC. Upstream PADRD. Upstream PADT


Explanation/Reference:best answer.

QUESTION 15The subscriber-host gets an IP address from the RG. The RG does not manage the state of the IPaddresses. Which packet does the RG send to the subscriber-host?

A. SLAAC packetB. DHCPv6 packetC. ICMPv6 packetD. SNMP packet



QUESTION 16What is the correct command to map in the SAP-ingress (sap-ingress id: 100) and the default queue(queue id: 1) to the scheduler-policy?

A. Configure qos sap-ingress 100 queue 1 parent <scheduler-policy-name>B. Configure qos sap-ingress 100 queue 1 map <scheduler-policy-name>C. Configure qos sap-ingress 100 queue 1 <schedu!er-policy-name>D. Configure qos sap-ingress 100 queue 1 map scheduler-policy <scheduler-policy-name>



QUESTION 17The user-name-format command will allow different formats for the authentication request sent to theradius server. What is the default value of the user-name-format?

A. MAC addressB. TupleC. Circuit IDD. ASCII-converted-circuit-id



QUESTION 18In the case of a Routed RG, what should be the minimum host-limit value defined under the SLA profile tosupport the dual-stack subscriber? Assume a single SLA profile is configured per subscriber for allservices.

A. DefaultB. 1C. 2D. 3



QUESTION 19What process initiates the CoA Request?

A. When a new PPP session is initiated.B. When an IP address is requested by the host.C. When the service provider needs to change the subscriber ESM.D. When the subscriber reaches the maximum allocated bandwidth.

Correct Answer: C

Section: (none)Explanation


QUESTION 20In which context would the command sap-session-limit be entered?

A. Option AB. Option BC. Option CD. Option D



QUESTION 21What is the purpose of a capture SAP?

A. It captures triggering packets for the creation of an M-SAP and does not forward regular traffic.B. It is a managed SAP that captures triggering packets and sends them upstream on the spoke SDP.C. It defines the sub-profile, SLA profile and subscriber ID for unauthenticated users.D. It defines the SLA profile for an M-SAP.



QUESTION 22Which of the following is a limitation of Enhanced Subscriber Management?

A. Dynamic consumption of resourcesB. Increased flexibilityC. Dynamic provisioned SAPsD. Potential ease of configuration management



QUESTION 23In an M-SAP implementation, when a capture SAP sends an authentication request to the RADIUS server,which parameters are returned by the server on a successful authentication?

A. Sub-ID stringB. M-SAP policy nameC. SAP ID of the M-SAPD. Subscriber interface string



QUESTION 24Which triggering packet is required to create a managed SAP?

A. DHCP DiscoverB. DHCPAckC. PPPoEPADOD. DHCP Request



QUESTION 25An IP-VPN subscriber is successfully authenticated in a wholesale/retail architecture. Where is thesubscriber instantiated?

A. On the wholesale VPRN of the BNG.B. On the retail VPRN of the BNG.C. On the managed VPLS of the BNG.D. On the base router of the wholesale BNG.


Explanation/Reference:trustful

QUESTION 26In the wholesale/retail model, where is it beneficial to do authentication on the domain part of the usernameonly?

A. Retail VPRN service in the wholesale BNGB. Wholesale VPRN service in the wholesale BNGC. Wholesale VPRN service in the retail BNGD. Retail VPRN service in the retail BNG


Explanation/Reference:Best answer.

QUESTION 27What is the effect of enabling anti-spoofing on a SAP?

A. Ingress traffic with an unknown destination MAC address is dropped.B. Egress traffic towards a subscriber with an unknown IP address is dropped.C. All traffic towards another subscriber is dropped.D. Ingress traffic with an unregistered source IP address is dropped.



QUESTION 28Which security feature can prevent an unauthorized device (e.g. RG» to access a Triple Play network?

A. DHCP snoopingB. 802.1XC. Anti-spoofingD. IPSec



QUESTION 29Click on the exhibit.

Subscriber 1 issues an ARP request for 10.1.1.2. Which information is returned in the reply?

A. Sender HW address = 00:23:3e:ec:9f:67,sender IP address = 10.1.1.254B. Sender HW address = 00:23:3e:ec:9f:67,sender IP address = 10.1.1.2C. Sender HW address = 8c:90:d3:79:29:62,sender IP address = 10.1.1.2D. Sender HW address = 8c:90:d3:79:29:62,sender IP address = 10.1.1.254



QUESTION 30What is the benefit of using ESM over MPLS?

A. The BNG group interface can be protected with MPLS Fast Reroute.B. Subscriber sessions can be backhauled over an MPLS network directly into the BNG.C. It allows for the creation of an ePipe from the BSAN to the BNG. with the MPLS spoke SDP terminating

directly on the group interface.D. It removes the need for dual-homing the BSAN to two BNGs to protect subscriber sessions.



QUESTION 31When a subscriber-host sends IP traffic to the Internet, where is the first address translation performed inthe NAT444 model?

A. On the BNGB. On the BSANC. On the RGD. On the AFTR



QUESTION 32Which of the following can NOT be configured on an Alcatel-Lucent 7750 SR BNG?

A. Accounting with RADIUS serverB. DNS serverC. DHCP serverD. L2TP network server


Explanation/Reference:proper answer.

QUESTION 33Which of the following about the DHCP relay process is FALSE?

A. A DHCP relay agent is configured on a BNG when the DHCP server that is serving the client is on adifferent subnet.

B. The DHCP relay agent converts the DHCP Discover message to a multicast packet destined to the "AllDHCP Servers" address.

C. The source IP address of the packet destined to the DHCP server is the address of the relay agent.D. When the DHCP server replies with an Offer message, it contains the gateway address information.


Explanation/Reference:genuine answer.

QUESTION 34What access loop technology is used by the Alcatel-Lucent 7342 ISAM FTTU?

A. VDSL2+B. ADSL2+C. GPOND. Ethernet


Explanation/Reference:true answer.

QUESTION 35Which feature on the BSAN is used to reduce the number of IGMP control messages sent towards theBNG?

A. IGMP snoopingB. IGMP proxyC. IGMP relayD. IGMPv3join



QUESTION 36A subscriber-host gets an IP address from the RG using SLAAC and all prefixes are centrally managed.How does the RG receive the correct information?

A. The RG receives the prefix from the BNG using SLAAC.B. The RG receives the prefix information encapsulated in a DHCPv4 message.C. The RG receives the IA_PD in a DHCPv6 message.D. The RG receives the IA_NA in a DHCPv6 message.



QUESTION 37Which of the following describes the Alcatel-Lucent 7342 FTTU P-OLT?

A. It is located in the service provider's CO.B. It is located in the subscriber's home with which it interfaces.C. It is located in the multi-dwelling unit facility.D. It is located in a street cabinet that aggregates DSL lines.



QUESTION 38What are the messages used by the Change of Authorization (CoA)?

A. CoA-request and CoA-replyB. CoA-request and CoA-responseC. CoA-request and CoA-ackD. CoA-request and CoA-accept


Explanation/Reference:great answer.

QUESTION 39Which of the following is NOT an Alcatel-lucent RADIUS vendor-specific attribute (VSA)?

A. Alc-Subscriber-Sla-Profile-StringB. Alc-Subscriber-Id-StringC. Alc-Subscriber-Profile-StringD. Alc-IPv6-Prefix


Explanation/Reference:rightful.

QUESTION 40What is an advantage of using Enhanced Subscriber Management?

A. It allows for static provisioning of subscriber policy and QoS resources.B. Subscribers are not limited to a SAP, which allows for greater flexibility.C. It reduces complexity when defining subscriber policies.D. It reduces the number of queues allocated to a subscriber.


Explanation/Reference:true answer.

QUESTION 41Which is NOT a valid capture SAP representation?

A. 1/1/4:'B. 1/1/4:*/C. 1/1/4:2/D. 1/1/4:0/



QUESTION 42After the successful mapping of the incoming traffic of a capture-SAP, what will happen to the DHCPdiscover packet?

A. It will be dropped.B. It will be forwarded to the management service.C. It will be forwarded by the service of the managed SAP.D. It will be directly forwarded to the DHCP server.

Correct Answer: CSection: (none)

Explanation


QUESTION 43Which of the following is TRUE about authentication policy in a Routed CO model when M-SAP is in use?

A. VPLS and IES policies can be different.B. VPLS and IES policies must be same.C. It only defines policy in VPLS service.D. It only defines policy in IES service.



QUESTION 44What are the mandatory attributes the LUDB needs to reply to the LAC to establish an L2TP tunnel?

A. Group name and tunnel nameB. Group name and service IDC. Tunnel name and service IDD. Peer address and service ID



QUESTION 45An L2TP session will be able to encapsulate how many PPP sessions?

A. 0B. 1C. 2D. No limits are set.



QUESTION 46What is the L2TP ZLB (zero length body) packet used for?

A. It resets the L2TP tunnel.B. It discovers the LNS server.C. It is used for acknowledgment.D. It tears down the L2TP tunnel.

Correct Answer: C



QUESTION 47A wholesale/retail architecture uses VPRN services only. How many VPRN services would you need forthree retail operators on the wholesale BNG?

A. 3B. 4C. 6D. 10



QUESTION 48In the case of wholesale/retail model with an IP-VPN deployment model, where is the IPoE sessionterminated?

A. At the BSANB. At the wholesale BNGC. At the retail BNGD. At the Internet peering router



QUESTION 49The retail VPRN subscriber interface is tightly coupled to which of the following?

A. The capture SAP.B. The group interface of the wholesale service.C. The redundant interface of the wholesale service.D. The subscriber interface of the wholesale service.



QUESTION 50Which of the following describes what happens if MCS peers experience a loss of communication withoutreboot?

A. The whole database is immediately re-synchronized.B. The whole database is re-synchronized over a 30 minute period to avoid massive re-transmission.C. Only the entries that have changed are re-synchronized, based on their timestamps.

D. Only the entries that have changed are re-synchronized, based on their sequence numbers.



QUESTION 51Which VRRP policy event makes use of ICMP packets to demote the VRRP master?

A. Port-downB. Lag-downC. Host-unreachableD. Route-unknown



QUESTION 52Which of the following is TRUE?

A. VRRP is used in a Bridged CO model with up to 2 routers per VRRP group.B. VRRP is used in a Routed CO model with multiple routers per VRRP group.C. SRRP is used in a Bridged CO model with up to 4 routers per SRRP group.D. SRRP is used in a Routed CO model with up to 2 routers per SRRP group.



QUESTION 53On which interface is SRRP activated?

A. IES interfaceB. Network interfaceC. Subscriber interfaceD. Group interface



QUESTION 54What is the benefit of SRRP-aware routing?

A. It enables synchronization of subscriber prefixes between MCS/SRRP peers.B. It tracks the reachability of subscriber routes.

C. It allows subscriber prefixes to be advertised by the SRRP master only.D. It allows a given subscriber prefix to be reachable when SRRP is enabled.



QUESTION 55Which other feature needs to be activated in order to enable arp-reply-agent on a SAP?

A. Anti-spoofingB. Local-proxy-arpC. Split horizon groupD. ARP-snooping



QUESTION 56Which of the following is NOT a characteristic of residential split horizon groups?

A. Downstream broadcasts are not allowed.B. Multicast traffic is permitted in the downstream direction if IGMP snooping is enabled.C. They increase the number of SAPs configurable per VPLS.D. STP can be used to prevent L2 loops.



QUESTION 57Which of the following is a requirement to enable dynamic anti-spoof filtering on a SAP in a VPLS?

A. Anti-spoofing must first be enabled at the VPLS level.B. A list of IP and/or MAC addresses must first be created.C. DHCP option 82 must be set.D. DHCP snooping must be enabled.



QUESTION 58Which technique can be used to prevent direct L2 subscriber-to-subscriber communication?

A. Anti-spoofing

B. MAC-pinningC. Local-proxy ARPD. Split horizon group



QUESTION 59Which DHCP message is used to populate the anti-spoofing table?

A. DHCP AckB. DHCP DiscoverC. DHCP OfferD. DHCP Request



QUESTION 60Which of the following methods encapsulates IPv4 packets into an IPv6 tunnel?

A. Dual-Stack Lite (DS-Lite)B. CGN-Carrier Grade NATC. 6RDD. IPv4/IPv6 native dual-stack



QUESTION 61Which of the following devices is typically associated to virtual ports configured on the BNG?

A. Application serverB. RGC. Another BNGD. BSAN



QUESTION 62How can the XML accounting file be retrieved from the Alcatel-Lucent 7750 SR?

A. Using SNMPB. Using FTPC. Using SSHD. Using HTTPS



QUESTION 63Which of the following fields can only be matched with deep packet inspection?

A. IP source addressB. TCP source portC. HTTP user-agentD. IP protocol number



QUESTION 64When deploying the Alcatel-Lucent 7342 ISAM FTTU, what device is required on the customer premise forcircuit termination?

A. DSL modemB. OLTC. ONTD. WiFi Router



QUESTION 65Which of the following entities would NOT be configured when using a Bridged CO model?

A. A subscriber interface on the BNGB. A VPLS for unicast traffic on the BSAC. A VPLS for multicast traffic on the BSAD. An Internet enhanced service on the BNG



QUESTION 66

Which of the following about BSAN handling of option 82 information is TRUE?

A. The BSAN removes option 82 information towards the DHCP server and inserts it towards thesubscriber.

B. The BSAN inserts option 82 information towards the DHCP server and translates it to option 83 towardsthe subscriber.

C. The BSAN transparently passes option 82 information sent from the RG towards the DHCP server.D. The BSAN inserts option 82 information towards the DHCP server and removes it towards the

subscriber.



QUESTION 67Which of the following describes DHCP's DISCOVER messages?

A. They have the special multicast destination MAC address that starts with 01-5e-ae-xx-xx-xx.B. They are sent to the unicast address of the DHCP server on the RG.C. They are initiated by the DHCP proxy service on the BSAN when a locally-attached port becomes

active.D. They are broadcast to UDP port 68 and may be translated to unicast by a DHCP relay agent.




QUESTION 68In a Bridged CO architecture, which of the following is TRUE?

A. Subscriber sessions are terminated on the BNG.B. Multicast replication on the BSA is supported.C. IPv6 is supported.D. PPPoE is supported.



QUESTION 69An Alcatel-Lucent 7750 SR has a subscriber interface configured with multiple subnets. How is the subnetthat is used for subscriber IP address allocation determined?

A. The DHCP server assigns an IP address based on the gi-address configured on the RG.B. The DHCP server assigns an IP address based on the gi-address configured in the subscriber interface

context on the BSA.C. The DHCP server assigns an IP address based on the gi-address configured in the group interface

context.D. The DHCP server assigns an IP address based on the option 82 information inserted by the BSA.



QUESTION 70How can the number of subscribers on a SAP be limited when using ESM?

A. Use the lease-populate command to secure a finite number of hosts.B. Use the host-limit command.C. Use the multi-sub-sap command.D. Use the antispoofip-mac command.



QUESTION 71Which mechanism is used to advertise a subscriber's prefix only from the SRRP master router?

A. The IGP receives SRRP state change notifications to determine which prefixes to withdraw.B. The IGP uses a routing policy to track the SRRP state of the router.C. Capture-SAPs configured on both routers allow only the SRRP master to advertise prefixes.D. The option SRRP-tracking is enabled under the IGP configuration.



QUESTION 72What is the purpose oftheSRRP shunt interface?

A. It passes subscriber traffic in case SRRP-aware routing is enabled.B. It synchronizes the subscriber database between the master and backup BNG.C. It is used as a backup path for upstream traffic between the backup and master BNG.D. It redirects downstream traffic from the backup to the master BNG.



QUESTION 73Which mechanism is used to detect that a VRRP master to backup failover must occur?

A. Periodic VRRP messages between peersB. Periodic ICMP messages between peersC. Periodic ARP requests between peersD. Periodic Ethernet OAM keep-alive messages between peers




A. VRRP is used in a Bridged CO model and supports both IPoE and PPPoE subscribers.B. VRRP is used in a Routed CO model and supports only IPoE subscribers.C. SRRP is used in a Bridged CO model and supports only IPoE subscribers.D. SRRP is used in a Routed CO model and supports both IPoE and PPPoE subscribers.



QUESTION 75Which other protocol is required to operate SRRP on BNGs?

A. MCSB. IGMPC. LACPD. STP



QUESTION 76How can a TPS network block a subscriber from replying to an ARP request from another subscriber in thesame subnet?

A. By enabling anti-spoofingB. By using a split horizon groupC. By enabling local-proxy-ARPD. By enabling ARP-reply-agent


Explanation/Reference:

Explanation:

QUESTION 77Which of the following configuration elements is used to divert subscriber traffic to the AA-ISA?

A. Application groupB. Application profileC. Application filterD. Application QoS policy



QUESTION 78Which of the following is TRUE about the VLAN per-subscriber model in Bridged CO?

A. The unicast VPLS instances of the BSA are connected by a spoke SDP to the BNG.B. On the BSA,a single unicast SAP is created and shared by all subscribers.C. An SDP may carry only two services.D. On the BSA,a single multicast SAP is created and shared by all the BSANs.



QUESTION 79IGMP must be enabled on which of the following devices?

A. Subscriber-hostB. BSANC. BSAD. BNG



QUESTION 80Which of the following is NOT a step in the session stage of the PPPoE protocol?

A. LCPB. IPCPC. PADID. PAP



QUESTION 81Which feature on the BSAN will discard subscriber traffic received on a port until the attached subscriberauthenticates?

A. CHAPB. 802.1xC. ACLD. PPPoE



QUESTION 82Which of the following technologies uses only fiber from the BSAN to the home network?

A. FTTNB. GPONC. ADSLD. VDSL



QUESTION 83Where is the default subscriber ID defined?

A. Under the SAPB. Under the radius policyC. Under the subscriber interfaceD. Under the authentication policy



QUESTION 84Which of the following sources can NOT be used to retrieve parameters required to instantiate a dynamicsubscriber host?

A. DNSB. LUDBC. DHCPD. Python

Correct Answer: A



QUESTION 85What is a subscriber profile in Enhanced Subscriber Management?

A. A policy/template to which QoS resources such as queues and forwarding classes are mapped.B. A policy/template that defines per-subscriber hierarchical OoS processing.C. A policy/template that defines the per-subscriber routing policy.D. A policy/template that defines the per-subscriber accounting policy.



QUESTION 86Which of the following is NOT an AlcateHucent RADIUS vendor-specific attribute (VSA)?

A. Alc-Subscriber-Sla-Profile-StringB. Alc-Subscriber-ld-StringC. Alc-Subscriber-Profile-StringD. Alc-IPv6-Prefix



QUESTION 87Which of the following is NOT a multi-chassis synchronization operation?

A. AddB. Local-deleteC. Global-deleteD. Modify



QUESTION 88How can a VRRP policy change the state of a router from master to backup?

A. By suspending the transmission of VRRP messages from the master router.B. By changing the VRRP priority on the master router.C. By shutting down the VRRP instance on the master router.D. By sending a VRRP promote message to the backup router.



QUESTION 89Which device typically inserts DHCP option 82?

A. Residential GatewayB. Broadband Service Access NodeC. Broadband Service AggregatorD. Broadband Network Gateway




In an ESM environment, a static host is defined with an IP address but no MAC address. The command"show service id 100 subscriber-hosts" shows the MAC address marked as "Unknown" and it is in a "NotForwarding" state. What could be the reason?

A. The static-host MAC address has not been configured.B. The static-host will not be able to forward traffic and will drop all packets.C. The MAC address has not been learned yet.D. The static-host will not be able to forward traffic with an unknown MAC address.



Explanation:

QUESTION 91Which of the following can NOT be used to generate a default subscriber ID?

A. no def-sub-idB. def-sub-id use-sap-idC. def-sub-id string <sub-ident-string>D. def-sub-id use-random-id



QUESTION 92Which of the following commands will provide a list of subscriber-host IP addresses and all ESM profiles?

A. show service subscriber-usingB. show service id 1234 dhcp lease-state detailC. show service id 1234 pppoe sessionD. show service id 1234 subscriber-hosts



QUESTION 93In the authentication policy, which of the following is NOT an option to modify a username before sending aRADIUS request?

A. ppp-user-name appendB. ppp-user-name default-domainC. ppp-user-name removeD. ppp-user-name replace



QUESTION 94Which of the following is needed to dynamically create SAPs?

A. Configure a dynamic SAP.B. Configure a managed SAP or M-SAP.C. Configure a capture SAP.D. Configure a default SAP.



QUESTION 95How can a given subscriber be mapped to a virtual port?

A. The mapping is specified by the sub-profile.B. The mapping is specified by the port-scheduler policy.C. The mapping is specified by a RADIUS VSA attribute.D. The mapping is specified by the SLA-profile.



QUESTION 96In numbered WAN RG, between which elements is a PPP session established?

A. Subscriber-hosts and BNGB. RG and BNGC. RG and the BSAD. Subscriber-hosts and BSAN



QUESTION 97Which of the following describes the discovery stage of the PPPoE protocol?

A. The unicast IP addresses of all access concentrators are determined and LCP information isexchanged.

B. The MAC addresses of the access concentrators are determined and a single EAPOL message is sentby the client to start the session stage.

C. A single access concentrator is chosen based on the AC-name or the services offered.D. Network control protocol options are exchanged between all access concentrators.



QUESTION 98Which router is elected VRRP master?

A. The one with the highest VRID.B. The one with the highest system address.C. The one with the highest priority.D. The one with the highest virtual IP address.



QUESTION 99Which application is NOT synchronized across two BNGs using MCS?

A. PIMB. SRRPC. DHCPD. IGMP



QUESTION 100How many queues per subscriber can be allocated using a high-speed Media Dependent Adapter (HS-MDA)?

A. 64 ingress or egress queuesB. 16 ingress and 16 egress queuesC. 8 ingress and 8 egress queuesD. 8 ingress or egress queues



QUESTION 101What is the ultimate goal of Triple Play services?

A. To bring Ethernet technologies to the subscriber's home.B. To assist providers in managing their IP networks.C. To move HSI, voice, and video onto a converged IP core.D. To accelerate the deployment of MPLS in the provider network.



QUESTION 102Which of the following elements is part of the access network?

A. IP phoneB. RGC. BSAN

D. BNG



QUESTION 103Which of the following is correct in a VLAN per all services for all subscribers?

A. One port per BSANB. One port per serviceC. One SAP per serviceD. One SAP per BSAN



QUESTION 104For ESM over MPLS, which entity must be configured prior to being used as a SAP under a group-interface?

A. Spoke-SDPB. PW-portC. PW-SDPD. Spoke-port



QUESTION 105In SLAAC, how is the host's IPv6 address configured?

A. From the manually configured host IPv6 address.B. From the RG advertised prefix and its own MAC address.C. From the RG advertised prefix and its own interface ID.D. From the host configured prefix and its own MAC address.



QUESTION 106Which entity is used to identify the access loop to the PPPoE server (BNG)?

A. Option 82B. Relay Tag

C. Interface IDD. Loop ID



QUESTION 107What is the main limitation of the basic subscriber management?

A. Limited bandwidth per SAPB. Limited SLAs per-subscriber per SAPC. Limited number of queuesD. Limited ACL policies



QUESTION 108What is an SLA profile policy in Enhanced Subscriber Management?

A. A policy/template that maps ontoQoS resources such as queues, forwarding classes, and IP-filters.B. A policy/template that defines per-subscriber hierarchicalQoS processing.C. A policy/template that defines the subscriber identification policy on a SAP.D. A policy/template that defines the security parameters for a subscriber.



QUESTION 109What do IPv6CP Req/Ack messages use to identify the peer?

A. Circuit IDB. Remote IDC. Interface IDD. SAPID



QUESTION 110What is the main difference between Enhanced Subscriber Management and Basic SubscriberManagement?

A. The method of authenticating the subscriber

B. The method of allocating IPv6 addressesC. Support for the SAP per-subscriber modelD. Dynamic allocation of resources


Explanation/Reference:proper answer.

QUESTION 111To allocate IPv6 address to IPoE and PPPoE sessions, which of the following is the correct configuration?

A. Option AB. Option BC. Option CD. Option D



QUESTION 112Upon successful authentication from the RADIUS server in a Bridged CO environment, which of thefollowing is not used for the M-SAP creation?

A. The M-SAP ID returned by the RADIUS.B. The M-SAP policy returned by the RADIUS.C. The port and VLAN that the DHCP Discover message arrived on.D. The M-SAP service ID returned by RADIUS.



QUESTION 113Where the following command can be configured trigger-packet dhcp dhcp6 pppoe?

A. In the BSAN, under the VLAN setup.B. In the BSA, under a SAP of the VPLS.C. In the BNG, under a managed SAP of the IES.D. In the BNG, under a capture SAP of the VPRN.



QUESTION 114A capture SAP is configured in VPLS 1 on a dot1q port; one managed SAP (M-SAP) has been instantiatedsuccessfully in VPLS 2 with a VLAN-ID of 2. But now, non-trigger traffic reaches the capture SAP on VLAN100, what will happen to this traffic?

A. It will be forwarded to the default service.B. It will be dropped by the VPLS 1.C. It will be dropped by the service that already has the M-SAP created.D. It will be forwarded to the CPU (SFM/CPM card) for further investigation.



QUESTION 115Which of the following is a trigger to setup an L2TP Tunnel?

A. LCP phaseB. CHAP phaseC. IPCP phaseD. PPPoE discovery phase



QUESTION 116In the case of a wholesale/retail model with a subscriber session terminated at the retail BNG.which of thefollowing is true?

A. PPPoE is used on the RG.B. IPoE issued on the RG.C. L2TP is used on the RG.D. ATMoADSL is used on the RG.



QUESTION 117In an L2TP wholesale/retail architecture, where is the ESM applied?

A. In the subscriber specific ESM by wholesale BNG and the retail service provider's ESM by wholesaleBNG.

B. In the subscriber specific ESM by retail BNG and the retail service provider's ESM by retail BNG.C. In the subscriber specific ESM by wholesale BNG and the retail service provider's ESM by retail BNG.D. In the subscriber specific ESM by retail BNG and the retail service provider's ESM by wholesale BNG.



QUESTION 118The wholesale service provider can retrieve the retail service VPRN ID for an incoming request from whichof the following?

A. DHCP ACK with option 82B. PPPoE PADIC. LUDBD. DHCP server



QUESTION 119In an IP-VPN wholesale/retail model, where is the ESM SLA profile applied?

A. In the wholesale service of the retail BNG.B. In the retail service of the retail BNG.C. In the wholesale service of the wholesale BNG.D. It cannot be applied in an IP-VPN wholesale/retail model.



QUESTION 120What information is typically present in the option 82 attribute of the DHCP Discover message relayed froman Alcatel-Lucent BSAN?

A. Agent user IDB. Agent circuit IDC. Agent vendor IDD. Agent BSAN ID



QUESTION 121Assume a subscriber only requested one multicast group. Which feature should be enabled on the BSAN toensure the subscriber only receives data from the multicast group requested?

A. IGMP proxyB. IGMP snoopingC. MC replicatorD. IGMP querier



QUESTION 122In on-line charging, which entity detects that a subscriber has reached the allocated monthly quota?

A. The RADIUS serverB. The BSS/OSS platformC. The 5620 SAMD. The BNG



QUESTION 123Which of the following elements is part of the home network?

A. BSMB. RG rC. BSAND. BNG



QUESTION 124Which of the following is NOT a characteristic of high speed Internet service?

A. Session based using a PPP clientB. Oversubscribed network modelC. Cable and DSL used in the last mileD. Contention between voice and Internet services



QUESTION 125In numbered WAN scenarios, which protocol will configure the IPv4 address of an RG?

A. DHCPB. LCPC. IPCPD. ARP



QUESTION 126Which network element will add the PPPoE Relay Tag?

A. RGB. BSANC. BSAD. BNG



QUESTION 127A subscriber-host gets an IP address from the RG using SLAAC and all prefixes are centrally managed.

How does the RG receive the correct information?

A. The RG receives the prefix from the BNG using SLAAC.B. The RG receives the prefix information encapsulated in a DHCPv4 message.C. The RG receives the IA_PD in a DHCPv6 message.

D. The RG receives the IA_NA in a DHCPv6 message.



QUESTION 128In an FTTU deployment, what device in the home network is used to connect to the provider accessnetwork?

A. DSL modemB. DSLAMC. ONTD. P-OLT



QUESTION 129To support dual stack subscribers, what is the minimum chassis-mode on the Alcatel-Lucent 7750 SR?

A. Chassis-mode aB. Chassis-mode bC. Chassis-mode cD. Chassis-mode d



QUESTION 130Which of the following is NOT a responsibility of the retail service provider in a wholesale/retailarchitecture?

A. Authenticating the subscriberB. Provisioning the subscriber's SLAC. Assigning the subscriber's IP addressD. Provisioning the subscriber's Layer 2 circuit



QUESTION 131What is the RG's access connection towards the service provider in FTTN?

A. Copper DSL technology

B. GPON technologyC. BPON technologyD. EPON technology


Explanation/Reference:adjusted answer.

QUESTION 132What parameters are needed for subscriber-host instantiation?

A. SAP, IP address,MAC address, subscriber ID,SLA profile, and subscriber profileB. SAP, IP address,MAC address,SAP-ingress profile, and scheduler profileC. SAP, IP address,MAC address, and subscriber IDD. Port, IP address,MAC address, and subscriber ID



QUESTION 133In the case of PPPoE, the local-user-database can NOT be used for which of the following?

A. Authenticating clientsB. Defining a ppp-policyC. Defining an SLA-profileD. Setting an IPv6 address



QUESTION 134Which of the following is correct about L2TP?

A. Use TCP for the control messages and UDP for the data packets.B. L2TP encapsulates any Layer 2 protocol such as frame relay, ATM and PPP.C. L2TP operates at Layer 2 and supports both IPv4 and IPv6.D. L2TP operates at Layer 2 and only supports IPv4.



QUESTION 135In an IP-VPN wholesale/retail model, which of the following packets will trigger the radius or LUDBauthentication?

A. ICMPB. PPPoEv4C. ARPD. IPv6



QUESTION 136MCS is not required on a BNG for which redundancy mechanism?

A. MC-LAGB. MC-ringC. SRRPD. VRRP


Explanation/Reference:approved answer.

QUESTION 137There can be one SRRP master per which entity?

A. BNGB. Group interfaceC. Subscriber interfaceD. IES interface


Explanation/Reference:approved/

QUESTION 138Which information is used to detect if an entry in the MCS database needs to be reconciled after 2 peersexperience a brief loss of communication?

A. SAP identifierB. Sync-tag valueC. Sequence numberD. Timestamp


Explanation/Reference:rectify.

QUESTION 139

Which of the following states is NOT an MCS synchronization state?

A. In-syncB. SynchronizingC. Out-of-syncD. Sync-down



QUESTION 140What is the purpose of the SRRP message-path SAP?

A. It monitors the data path between the master and backup BNGs.B. It synchronizes the subscriber database between the master and backup BNGs.C. It provides a consistent QoS policy for downstream traffic across both BNGs.D. It redirects downstream traffic from the backup to the master BNG.




A. SRRP is a proprietary protocol used in a Bridged CO model.B. VRRP is a proprietary protocol used in a Routed CO model.C. SRRP is a standard protocol used in a Routed CO model,D. VRRP is a standard protocol used in a Bridged CO model.



QUESTION 142Which VRRP policy event should be used to force a master switchover in case a given network prefixbecomes unreachable?

A. Port-downB. Host-unreachableC. Lag-downD. Route-unknown



QUESTION 143What happens when arp-reply-agent is enabled on a subscriber SAP?

A. All ARP replies from the BNG are verified before being forwarded to the subscriber.B. All ARP requests from the subscriber are answered by the arp-reply agent.C. All ARP requests from the BNG to a subscriber are answered by the arp-reply agent.D. All ARP replies from the subscribers are dropped to prevent theft of service.



QUESTION 144What is the purpose of the anti-spoofing filter?

A. Anti-virus protectionB. Prevent direct subscriber-to-subscriber communicationC. Filter upstream trafficD. Prevent the use of fake IP addresses



QUESTION 145How can a TPS network protect itself from a subscriber running a rogue DHCP server?

A. All subscriber SAPs have anti-spoofing enabled.B. All subscriber SAPs have DHCP snooping enabled.C. All subscriber SAPs are members of a single RSHG.D. All subscriber SAPs have arp-reply-agent enabled.



QUESTION 146Which IP packets are able to bypass the anti-spoofing filter?

A. ICMP packetsB. All network protocol packets (OSPF, BGP. LDP, etc.)C. DHCP packetsD. IPSec-encrypted packets



Explanation:


The L3 gateway has the MAC address 93:33:00:00:BF:92. What happens to incoming frames on SAP1/1/1:100?

A. Incoming frames with the L3 gateway MAC address as a destination will be dropped.B. All incoming frames will be forced to the L3 gateway.C. Incoming frames with a source MAC address of 93:33:00:00:BF:92 will be dropped.D. Only incoming frames destined to the L3 gateway will be allowed on SAP 1 /1 /1:100.



QUESTION 148Which feature can be used to identify a subscriber that paid for extra services?

A. 802.1X authenticationB. IGMP filtersC. DHCP option 82D. MAC pinning


Explanation/Reference:amended answer.

QUESTION 149What is the difference between Split Horizon Groups (SHG) and Residential Split Horizon Groups (RSHG)?

A. The spanning tree protocol is not supported on RSHG members.

B. An RSHG does not support spoke-SDP members.C. Multicast or broadcast downstream traffic is not supported on RSHG members.D. Anti-spoofing must be enabled on an RSHG.



QUESTION 150Which feature is required in a subscriber VPLS in order to enable local proxy ARP on the associated BNGIES interface?

A. Anti-spoofingB. Residential Split Horizon GroupsC. MAC-pinningD. DHCP snoopingE. IGMP snooping




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