PPP session ID
subscriber name
source MAC address
destination MAC address
第1题：
A. PPP session ID
B. subscriber name
C. source MAC address
D. destination MAC address
第2题：
A. DHCP standalone server
B. DHCP exclusive-access server
C. DHCP relay agent
D. DHCP relay proxy
第3题：
A.DSLAM
B.DSL modem
C.ERX Edge Router
D.customer workstation
第4题：
When HSRP is configured on a network, which two of these items are provided, which are shared between the routers that run HSRP ?（） (choose two)
第5题：
A. to uniquely identify devices at Layer 2
B. to allow communication with devices on a different network
C. to differentiate a Layer 2 frame from a Layer 3 packet
D. to establish a priority system to determine which device gets to transmit first
E. to allow communication between different devices on the same network
F. to allow detection of a remote device when its physical address is unknown
第6题：
A. ping
B. hello
C. get request
D. echo request
第7题：
A.DSLAM
B.DSL modem
C.ERX Edge Router
D.customer workstation
第8题：
A. session ID
B. authentication server
C. IP address of the client
D. MAC address of the ERX router
第9题：
The PPP over Ethernet Discovery Stage determines which two parameters? （）(Choose two.)
第10题：
A computer is connected to the network through a NIC， which has a unique assignment that is called the Ethernet MAC address. Which layer of the OSI model does the MAC address use to communicate with the network？（）