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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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How does the ERX Edge Router interact with subscriber IP addresses assigned by an external DHCP server?()
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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?()
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考题
Which CLI command enables the DHCP External Server function on an E－series router?()
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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?()
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考题
How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network?()
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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
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Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network. Which of the following answers best describes the router's logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?（）A、When the packet received on the LAN interface is permitted by the ACL listed on the tunnel greacl command under the incoming interfaceB、When routing the packet, matching a route whose outgoing interface is the GRE tunnel interfaceC、When routing the packet, matching a route whose outgoing interface is the IPsec tunnel interfaceD、When permitted by an ACL that was referenced in the associated crypto map
考题
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
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
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.
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How does the ERX Edge Router interact with subscriber IP addresses assigned by an externa lDHCP 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 keepalives to the subscriber and makes the address available when the subscriber stops responding.D、It sends keepalives to the subscriber and removes the host route when the subscriber stops responding.
考题
In a Bridged 1483 network, which set of configuration commands allows the router to forward requests from the PC to an external DHCP server at 3.3.3.3?（）A、set dhcp relay 3.3.3.3 set dhcp relay agentB、enable dhcp relay agent set dhcp relay agentC、set dhcp server 3.3.3.3 enable dhcp relay agentD、enable dhcp server 3.3.3.3 enable dhcp relay agent
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In a Bridged 1483 network, which set of configuration commands allows the router to forward requests from the PC to an external DHCP server at 3.3.3.3?（）A
set dhcp relay 3.3.3.3 set dhcp relay agentB
enable dhcp relay agent set dhcp relay agentC
set dhcp server 3.3.3.3 enable dhcp relay agentD
enable dhcp server 3.3.3.3 enable dhcp relay agent
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
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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An internet is a combination of networks connected by (1). When a datagram goes from a source to a (2), it will probably pass many (3) until it reaches the router attached to the destination network. A router receives a (4) from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet, to which network should it pass the packet? The decision is based on optimization: Which of the available (5) is the optimum pathway?
空白（2）处应选择（）A
userB
hostC
cityD
destination
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
单选题How does the ERX Edge Router interact with subscriber IP addresses assigned by an externa lDHCP 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 keepalives to the subscriber and makes the address available when the subscriber stops responding.D
It sends keepalives to the subscriber and removes the host route when the subscriber stops responding.
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 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
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