single ATM header
single Ethernet header
ATM header followed by a PPP header
ATM header followed by an Ethernet header
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. single ATM header
B. single Ethernet header
C. ATM header followed by a PPP header
D. ATM header followed by an Ethernet header
第3题：
is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains.
A．Repeater
B．Router
C．Bridge
D．Switch
第4题：
A.ThisdeviceisconfiguredasaPPPoEclient
B.ThisdeviceisconfiguredasaPPPoAclient
C.ThisdeviceisconfiguredasRFC1483/2684bridge
D.Thisdeviceisconfiguredananaggregationrouter
第5题：
A. Hub
B. Switch
C. Bridge
D. NIC
E. Transceiver
第6题：
A. incorrect DSL network redistribution
B. incorrect static host route configuration
C. incorrect static customer route configuration
D. incorrect default static route configuration on the end user
第7题：
A.redistribute direct
B.redistribute static
C.redistribute connected
D.redistribute access-internal
第8题：
A.ERX ATM IP address
B.DSL router IP address
C.DSL bridge IP address
D.ERX loopback address
第9题：
A. Ethernet
B. PPP
C. Token Ring
D. HDLC
E. Frame Relay
F. POTS
第10题：
At Layer 2 of the OSI model, which component connects a host to the network media?（）