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单选题
Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）
A
The ERX router sends an Active Discovery Offer message.
B
The ERX router sends an Active Discovery Initiation message.
C
The customer device sends an Active Discovery Offer message.
D
The customer device sends an Active Discovery Initiation message
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更多 “单选题Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）A The ERX router sends an Active Discovery Offer message.B The ERX router sends an Active Discovery Initiation message.C The customer device sends an Active Discovery Offer message.D The customer device sends an Active Discovery Initiation message” 相关考题
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What are the two stages of PPP over Ethernet?()
A.PPP Session stageB.PPPoE Search StageC.PPPoE Discovery StageD.PPP Confirmation stage
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Within IS－IS, the restart helper performs which task?()
A. It sends CSNPs to the restarting router.B. It periodically sends TLV 211 to the restarting router.C. It informs other routers in the domain that a router has restarted.D. It tears down adjacency and sends its entire database after 30 seconds.
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The PPP over Ethernet Discovery Stage determines which two parameters? ()(Choose two.)
A. session IDB. authentication serverC. IP address of the clientD. MAC address of the ERX router
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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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The ERX Edge Router responds toa received PPP over Ethernet Active Discovery Initiation(PADI) with which message type?()
A.PPPoE Active Discovery OfferB.PPPoE Active Discovery InitiationC.PPPoE Active Session ConfirmationD.PPPoE Active Session Acknowledgment
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For a router to obtain a certificate from a CA， what is the first stepof the certificate enrollment process？（）A、 the router generates a certificate request and forwards it tothe CAB、 the router generates an RSA key pairC、 the router sends its public key to the CAD、 the CA sends its public key to the routerE、 the CA verifies the identity of the routerF、 the CA generates a certificate request and forwards it to the router
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In PIM-SM operations， the first router connected to the multicast source sends the Register message towhich device？（）A、Multicast sourceB、Multicast receiverC、RPD、RP mapping agentE、Designated Router （DR）
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The ERX Edge Router responds to a received PPP over Ethernet Active Discovery Initiation （PADI） with which message type？（）A、PPPoE Active Discovery OfferB、PPPoE Active Discovery InitiationC、PPPoE Active Session ConfirmationD、PPPoE Active Session Acknowledgment
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What is the function of the helper router during a restart event in OSPF?（）A、Sends Rapid Hellos to the restarting router.B、Maintains Adjancency with restarting router.C、Sends periodic DD packets to the restarting router.D、Floods Type 9 LSAs to all routers indicating a restarting event.
考题
在PPPoE协商过程中，下列的PPPoE报文中，哪些必须包含Service-Name信息（）。A、PADI（PPPoE Active Discover Initiation）B、PADO（PPPoE Active Discover Offer）C、PADR（PPPoE Active Discover Request）D、PADT（PPPoE Active Discover Terminate）
考题
Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）A、The ERX router sends an Active Discovery Off ermessage.B、The ERX router sendsan Active Discovery Initiation message.C、The customer device sends an Active Discovery Offer message.D、The customer device sends an Active Discovery Initiation message.
考题
Within IS-IS, the restart helper performs which task?（）A、It sends CSNPs to the restarting router.B、It periodically sends TLV 211 to the restarting router.C、It informs other routers in the domain that a router has restarted.D、It tears down adjacency and sends its entire database after 30 seconds.
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The ERX Edge Router responds toa received PPP over Ethernet Active Discovery Initiation(PADI) with which message type?（）A、PPPoE Active Discovery OfferB、PPPoE Active Discovery InitiationC、PPPoE Active Session ConfirmationD、PPPoE Active Session Acknowledgment
考题
Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）A、The ERX router sends an Active Discovery Offer message.B、The ERX router sends an Active Discovery Initiation message.C、The customer device sends an Active Discovery Offer message.D、The customer device sends an Active Discovery Initiation message
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
What are the two stages of PPP over Ethernet?（）A、PPP Session stageB、PPPoE Search StageC、PPPoE Discovery StageD、PPP Confirmation stage
考题
多选题The PPP over Ethernet Discovery Stage determines which two parameters? （）(Choose two.)Asession IDBauthentication serverCIP address of the clientDMAC address of the ERX router
考题
单选题The ERX Edge Router responds to a received PPP over Ethernet Active Discovery Initiation （PADI） with which message type？（）A
PPPoE Active Discovery OfferB
PPPoE Active Discovery InitiationC
PPPoE Active Session ConfirmationD
PPPoE Active Session Acknowledgment
考题
单选题Within IS-IS, the restart helper performs which task?（）A
It sends CSNPs to the restarting router.B
It periodically sends TLV 211 to the restarting router.C
It informs other routers in the domain that a router has restarted.D
It tears down adjacency and sends its entire database after 30 seconds.
考题
单选题The ERX Edge Router responds toa received PPP over Ethernet Active Discovery Initiation(PADI) with which message type?（）A
PPPoE Active Discovery OfferB
PPPoE Active Discovery InitiationC
PPPoE Active Session ConfirmationD
PPPoE Active Session Acknowledgment
考题
单选题Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）A
The ERX router sends an Active Discovery Off ermessage.B
The ERX router sendsan Active Discovery Initiation message.C
The customer device sends an Active Discovery Offer message.D
The customer device sends an Active Discovery Initiation message.
考题
单选题Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）A
The ERX router sends an Active Discovery Offer message.B
The ERX router sends an Active Discovery Initiation message.C
The customer device sends an Active Discovery Offer message.D
The customer device sends an Active Discovery Initiation message
考题
单选题For a router to obtain a certificate from a CA， what is the first stepof the certificate enrollment process？（）A
the router generates a certificate request and forwards it tothe CAB
the router generates an RSA key pairC
the router sends its public key to the CAD
the CA sends its public key to the routerE
the CA verifies the identity of the routerF
the CA generates a certificate request and forwards it to the router
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
单选题In PIM-SM operations， the first router connected to the multicast source sends the Register message towhich device？（）A
Multicast sourceB
Multicast receiverC
RPD
RP mapping agentE
Designated Router （DR）
考题
单选题Which service does the ERX Edge Router support with a virtual router?（ ）A
voice over IPB
wholesale servicesC
IP quality of serviceD
SNMP management
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