Alcatel-Lucent Triple Play Services - 4A0-109 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

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

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

Discussion 0

Correct Answer: B Vote an answer

Question 2

Which other protocol is required to operate SRRP on BNGs?

A. STP B. MCS C. LACP D. IGMP

Discussion 0

Correct Answer: B Vote an answer

Question 3

In the case of a wholesale/retail model with a subscriber session terminated at the retail BNG, which of the following is true?

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

Discussion 0

Correct Answer: B Vote an answer

Question 4

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

A. The DHCP server assigns an IP address based on the gi-address configured in the subscriber interface context on the BSA. B. The DHCP server assigns an IP address based on the gi-address configured in the group interface context. C. The DHCP server assigns an IP address based on the option 82 information inserted by the BSA. D. The DHCP server assigns an IP address based on the gi-address configured on the RG.

Discussion 0

Correct Answer: B Vote an answer

Question 5

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

A. DHCP Ack B. DHCP Discover C. DHCP Request D. DHCP Offer

Discussion 0

Correct Answer: A Vote an answer

Question 6

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

A. On the BSAN, towards the RG B. On the BNG, towards the Internet C. On the BSAN, towards the BNG D. On the BNG, towards the BSAN

Discussion 0

Correct Answer: D Vote an answer

Question 7

Which of the following about Residential Split Horizon Groups (RSHG) is TRUE?

A. DHCP snooping must be enabled to support RSHG. B. Downstream broadcast traffic is not allowed in an RSHG. C. Traffic between different RSHGs is blocked. D. Only SAPs can be added to an RSHG.

Discussion 0

Correct Answer: B Vote an answer

Question 8

On which interface is SRRP activated?

A. Group interface B. Subscriber interface C. IES interface D. Network interface

Discussion 0

Correct Answer: A Vote an answer