4A0-109 Exam Questions

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

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

The wholesale service provider can retrieve the retail service VPRN ID for an incoming request from which of the following?

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

Which of the following is correct about L2TP?

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

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

There can be one SRRP master per which entity?

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

What is the format of the VRRP virtual MAC address?

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

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

Which of the following is TRUE?

Which VRRP policy event should be used to force a master switchover in case a given network prefix becomes unreachable?

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

What is the purpose of the anti-spoofing filter?

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

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

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

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

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

Which feature is required in a subscriber VPLS in order to enable local proxy ARP on the associated BNG IES interface?

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

Which of the following describes the port mode required to support ESM over MPLS on an Alcatel- Lucent 7750 SR?

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

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

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