Which feature can be used to identify a subscriber that paid for extra services?
A. DHCP option 82
B. IGMP filters
C. MAC pinning
D. 802.1X authentication
正解:A
質問 2:
What 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.
正解:C
質問 3:
What happens when arp-reply-agent is enabled on a subscriber SAP?
A. All ARP replies from the subscribers are dropped to prevent theft of service.
B. All ARP requests from the subscriber are answered by the arp-reply agent.
C. All ARP replies from the BNG are verified before being forwarded to the subscriber.
D. All ARP requests from the BNG to a subscriber are answered by the arp-reply agent.
正解:D
質問 4:
In numbered WAN scenarios, which protocol will configure the IPv4 address of an RG?
A. LCP
B. IPCP
C. DHCP
D. ARP
正解:B
質問 5:
A 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 information encapsulated in a DHCPv4 message.
B. The RG receives the IA_NA in a DHCPv6 message.
C. The RG receives the IA_PD in a DHCPv6 message.
D. The RG receives the prefix from the BNG using SLAAC.
正解:C
質問 6:
To support dual stack subscribers, what is the minimum version of the IOM card on the AlcatelLucent 7750 SR?
A. IOM2-20g
B. IOM-20g-b
C. IOM3-xp
D. IOM-10g
正解:C
質問 7:
What is the effect of enabling anti-spoofing on a SAP?
A. Ingress traffic with an unregistered source IP address is dropped.
B. Egress traffic towards a subscriber with an unknown IP address is dropped.
C. Ingress traffic with an unknown destination MAC address is dropped.
D. All traffic towards another subscriber is dropped.
正解:A
秋山** -
全ての問題を暗記して、早速受験してみて、二つも無事に合格したよ。使いやすかった。