A Bridged 1483 service offering is grouping DSL users into a large subnet.What are three characteristics of this configuration？（）
第1题：
In a Bridged 1483 network, an ISP has received complaints from their subscribers of denial of service attacks.The ISP suspects these attacks are coming from other subscribers that share the same IP unnumbered interface on the ERX.What can be done to solve this problem?（）
A. Enable Proxy ARP.
B. Disable Proxy ARP.
C. Enable Inverse ARP.
D. Disable Inverse ARP.
第2题：
A.ThisdeviceisconfiguredasaPPPoEclient
B.ThisdeviceisconfiguredasaPPPoAclient
C.ThisdeviceisconfiguredasRFC1483/2684bridge
D.Thisdeviceisconfiguredananaggregationrouter
第3题：
A.It burns IP addresses.
B.It conserves IP addresses.
C.A group of PVCs is a subnet.
D.It provides an umbered IP address to the ERX
E.It provides an IP unnumbered address to ERX
第4题：
You have a Bridged 1483 service offering where each ATM PVC is assigned a /30 subnet. What are two characteristics of this configuration？（）
第5题：
Which configuration command dynamically detects and configures a Bridged 1483 interface?（）
第6题：
A. single ATM header
B. single Ethernet header
C. ATM header followed by a PPP header
D. ATM header followed by an Ethernet header
第7题：
Which two encapsulation methods require that an 827 ADSL router be configured with a PPPusername and CHAP password？（）
第8题：
A.Routed1483
B.Bridged1483
C.PPPoverATM
D.PPPoverEthernet
第9题：
Which two B-RAS service offerings do not require user authentication?（）
第10题：
Which two B-RAS service offerings maintain the analog dial-up model with centralized user authentication，authorization，andaccounting？（）