It maintains DHCP leases on behalf of subscribers.
It initiates DHCP requests on behalf of subscribers.
It passes DHCP traffic to and from the server;you must configure static host routes.
It passes DHCP traffic to and from the server and inserts host routes into its routing table.
第1题：
A.It monitors messages from the external server and updates the routing table as needed.
B.It maintains the leases for the DHCP server and reassigns addresses to new subscribers.
C.It sends keep alives to the subscriber and makes the address available when the subscriber stops responding.
D.It sends keep alives to the subscriber and removes the host route when the subscriber stops responding.
第2题：
A. service dhcp-external
B. set dhcp external server
C. set dhcp-external server
D. dhcp external server
第3题：
You have a DHCP server that runs Windows Server 2008 R2. The DHCP server has two network connections named LAN1 and LAN2.You need to prevent the DHCP server from responding to DHCP client requests on LAN2. The server must continue to respond to non-DHCP client requests on LAN2.What should you do？（）
A. From the DHCP snap-in, modify the bindings to associate only LAN1 with the DHCP service.
B. From the DHCP snap-in, create a new multicast scope.
C. From the properties of the LAN1 network connection, set the metric value to 1.
D. From the properties of the LAN2 network connection, set the metric value to 1.
第4题：
Which CLI command enables the DHCP External Server function on an E-series router?（）
第5题：
A. set dhcp relay 3.3.3.3 set dhcp relay agent
B. enable dhcp relay agent set dhcp relay agent
C. set dhcp server 3.3.3.3 enable dhcp relay agent
D. enable dhcp server 3.3.3.3 enable dhcp relay agent
第6题：
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.
第7题：
A. direct mode
B. round robin
C. weighted round robin
D. No algorithm is used.
第8题：
A.set dhcp relay set dhcp server 1.1.1.1
B.set dhcp relay agent set dhcp relay 1.1.1.1
C.enable dhcp relay enabled hcp server 1.1.1.1
D.enable dhcp relay agent enable dhcp relay 1.1.1.1
第9题：
A.It maintains DHCP leases on behalf of subscribers.
B.It initiates DHCP requests on behalf of subscribers.
C.It passes DHCP traffic to and from the server;you must configure static host routes.
D.It passes DHCP traffic to and from the server and inserts host routes into its routing table.
第10题：
How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network？（）