4A0-109問題集、Alcatel-Lucent実際の試験問題

質問 1

Which message is sent from the DHCPv6 server to the lightweight DHCPv6 relay agent?

A. Relay-Reply

B. Advertise

C. Confirm

D. Relay-Forward

正解: A

質問 2

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

A. Multicast or broadcast downstream traffic is not supported on RSHG members.

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

C. Anti-spoofing must be enabled on an RSHG.

D. An RSHG does not support spoke-SDP members.

正解: B

質問 3

What is the purpose oftheSRRP shunt interface?

A. It redirects downstream traffic from the backup to the master BNG.

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 passes subscriber traffic in case SRRP-aware routing is enabled.

正解: A

質問 4

How can a consistent QoS policy be applied across the master and backup BNGs for downstream traffic flows?

A. QoS policy synchronization must be configured under SRRP on both BNGs.

B. The QoS policy is automatically synchronized between the two BNGs.

C. By load-sharing the downstream traffic across the master and backup BNG.

D. By redirecting the downstream traffic from the backup to the master BNG via the shunt interface,

正解: D

質問 5

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

A. XML

B. PDF

C. RTF

D. TXT

正解: A

質問 6

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

A. Supports data, voice, and video simultaneously

B. Low number of concurrent connections

C. Always on and always available

D. High bandwidth

正解: B

質問 7

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

A. Alc-Subscriber-Profile-String

B. Alc-Subscriber-Sla-Profile-String

C. Alc-Subscriber-Id-String

D. Alc-IPv6-Prefix

正解: B

質問 8

Which of the following is NOT part of an unique subscriber instance?

A. Subscriber MAC address

B. SLA-profile

C. Sub-profile

D. Subscriber ID

正解: A

質問 9

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

A. One port per BSAN

B. One port per service

C. One SAP per service

D. One SAP per BSAN

正解: D

質問 10

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

A. Dual-Stack Lite (DS-Lite)

B. IPv4/IPv6 native dual-stack

C. CGN-Carrier Grade NAT

D. 6RD

正解: A

質問 11

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

A. Lag-down

B. Route-unknown

C. Port-down

D. Host-unreachable

正解: B

質問 12

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

A. RG and the BSA

B. Subscriber-hosts and BSAN

C. Subscriber-hosts and BNG

D. RG and BNG

正解: D

質問 13

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

A. Use the multi-sub-sap command.

B. Use the antispoofip-mac command.

C. Use the host-limit command.

D. Use the lease-populate command to secure a finite number of hosts.

正解: A

Alcatel-Lucent Triple Play Services - 4A0-109 模擬練習