单项选择题

When does the E-series router start monitoring DHCP traffic using the DHCP External function?（）

A. When the discovery packet enters the router from the DHCP client.
B. Only when the offer packet enters the router from the DHCP server.
C. When the acknowledge packet enters the router from the DHCP server.
D. Only when the discovery packet leaves the router going to the DHCP server.

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单项选择题

Which CLI command is used to display the IP address assigned to Dynamic Subscriber Interface and related hardware address using the DHCP Relay Proxy function?（）

A. show ip dhcp external
B. show dhcp binding relay-proxy
C. show ip dhcp binding relay-proxy
D. show dhcp relay proxy binding

多项选择题

Which two E-series functions allow Bridged Ethernet subscribers the ability to recieve a dynamic IP address? （）(Choose two.)

A. DHCP standalone server
B. DHCP exclusive-access server
C. DHCP relay agent
D. DHCP relay proxy

单项选择题

What is true about the functions provided by a DHCP Relay Proxy over the DHCP Relay agent?（）

A. Monitors and manages leases.
B. Creates host route dynamically after address assignment.
C. Provides an IP address from a pool.
D. Must be on same subnet as DHCP server