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单选题
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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更多 “单选题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.” 相关考题
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When controlling the virtual router assignment for a PPP over ATM client, which mechanism does the router use first?()
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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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A small office in which all workstations are using an ISP provided IP range has noticed a consistent decrease in network traffic speed. The decrease does not occur when the gateway to the ISP is disconnected. Which of the following should the administrator implement?（） A、Multicast addressingB、Load balancingC、Address translationD、DHCP
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How does the ERX Edge Router interact with subscriber IP addresses assigned by an external DHCP server?（）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.
考题
The ERX Edge Router in your Bridged 1483 network has multiple external DHCP servers configured.During discovery, which algorithm does the router use to decide which DHCP server to send packets to?（）A、direct modeB、round robinC、weighted round robinD、No algorithm is used.
考题
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.
考题
When controlling the virtual router assignment for a PPP over ATM client, which mechanism does the router use first?（）A、profileB、domain mapC、DHCP serverD、RADIUS server
考题
单选题Which of the following HSRP router states does an active router enter when it is preempted by a higher priority router？（）A
activeB
speakC
learnD
listenE
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考题
单选题When is an IPSec SA built on the Teleworker Router?（）A
when the router is booted upB
when the router administratively does a no shutdown on the IPSec SA C
when traffic matches a line of the access-list tied into the crypto-map in the router configuration, and that particular IPSec SA is not already up D
when the ISAKMP SA completes negotiation of all IPSec SAs (one per access-list line in the crypto ACL), it will be brought up immediately
考题
单选题How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network？（）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.
考题
单选题How does the ERX Edge Router interact with subscriber IP addresses assigned by an external DHCP server?（）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.
考题
单选题Which CLI command enables the DHCP External Server function on an E-series router?（）A
service dhcp-externalB
set dhcp external serverC
set dhcp-external serverD
dhcp external server
考题
多选题Which two statements are correct concerning DHCP Internal Server in the E-series router？（）AProvide dynamic IPaddressesforDSIs.BProvide connectivity to DHCP servers on other subnetworks.CProvide dynamic IP addresses for SRC applications.DProvide dynamic IP addresses from pools used for PPPoE subscribers.
考题
单选题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.
考题
单选题When is the BA Classifier engaged for identifying the forwarding class of traffic in a Juniper router?（）A
after a packet is identified by a multifield classifierB
after the traffic passes though a shaperC
prior to ingress policing of trafficD
while the packet is stored in the switching fabric of the router
考题
单选题In what situation would the command ip helper-address be required？（Choose the best answer.）（）A
Only when there is a duplicate IP address caused by a combination of static and dynamic IPaddress allocationsB
On each router that exists between the client and the serverC
Only when a router separates the client from the serverD
Only if the DHCP sever issues a DHCPNAK to the initial requestE
Only when the client is on the same subnet as the serverF
Only when the DHCP pool is out of IP addresses
考题
单选题The ERX Edge Router in your Bridged 1483 network has multiple external DHCP servers configured.During discovery, which algorithm does the router use to decide which DHCP server to send packets to?（）A
direct modeB
round robinC
weighted round robinD
No algorithm is used.
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