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单选题
The ip pim autorp listener command is used to do which of these？（）
A
enable a Cisco router to passively listen to Auto-RP packets without the router actively sending or forwarding any of the packets
B
allow Auto-RP packets in groups 224.0.1.39 and 224.0.1.40 to be flooded in dense mode out interfaces configured with the ip pim sparse-mode command
C
enable the use of Auto-RP on a router
D
configure the router as an Auto-RP mapping agent
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更多 “单选题The ip pim autorp listener command is used to do which of these？（）A enable a Cisco router to passively listen to Auto-RP packets without the router actively sending or forwarding any of the packetsB allow Auto-RP packets in groups 224.0.1.39 and 224.0.1.40 to be flooded in dense mode out interfaces configured with the ip pim sparse-mode commandC enable the use of Auto-RP on a routerD configure the router as an Auto-RP mapping agent” 相关考题
考题
A multicast router may receive thousands of multicast(71)every day for different groups. If a router has no knowledge about the membership status of the(72), it must broadcast all of these packets. This creates a lot of traffic and consumes(73). A better solution is to keep a list of groups in the network for which there is at least one loyal member.(74)helps the multicast router create and update this list. For each group, there is one router that has the duty of distributing the(75)packets destined for that group. This means that if there are three multicast routers connected to a network, their lists of groupids are mutually exclusive. A host or multicast router can have membership in a group.A．packetsB．errorsC．reportsD．alarms
考题
Which configuration command allows the ERX Edge Router to perform Unicast Reverse Path Forwarding lookups on all packets received on an IP interface?()
A. ip sa-validateB. ip split-horizonC. ip access-routesD. ip filter-options
考题
Which two multicast groups support Auto－RP mapping and discovery?()
A.224.0.0.39B.224.0.1.39C.224.0.0.40D.224.0.1.40
考题
The router SIS-R has been configured in a CIS network. As a network administrator, you were required to enable MPLS on that router.Which of the following description is making sense on the basis of the output information?（）A. CEF switching is only needed to forward labeled packets.B. CEF switching is needed on both ingress and egress interfaces on which MPLS is enabled.C. Interface-level CEF switching is needed only on egress interfaces that are sending IP packets on which the egress LSR performs the label imposition process.D. Interface-level CEF switching is needed only on ingress interfaces that are receiving IP packets on which the ingress LSR performs the label imposition process.
考题
What is the purpose of this command? ip route 0.0.0.0 0.0.0.0 serial0／0()
A. It configures a router to send all packets out interface serial 0/0.B. It configures a router to block routing updates from being sent out interface serial 0/0.C. It configures a router as a firewall, blocking all unauthorized packets from exiting serial 0/0.D. It configures a router to send all packets for unknown destination networks out interface serial 0/0.E. It configures a router to drop all packets for which the destination network is unknown.
考题
Which command will display EIGRP packets sent and received, as well as statistics on hello packets, updates, queries, replies, and acknowledgments?()
A. debug eigrp packetsB. show ip eigrp trafficC. debug ip eigrpD. show ip eigrp interfaces
考题
The command frame－relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command()。
A.This command should be executed from the global configuration modeB.The IP address 10.121.16.8 is the local router port used to forward dataC.102 is the remote DLCI that will receive the informationD.This command is required for all Frame Relay configurationsE.The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC
考题
Which command will display EIGRP packets sent and received, as well as statistics on hello packets, updates, queries, replies, and acknowledgments?（）A、debug eigrp packetsB、show ip eigrp trafficC、debug ip eigrpD、show ip eigrp interfaces
考题
What is the purpose of configuring router R1 with the "IP Helper address" command？（）A、IP Helper is used to direct BOOTP clients to a BOOTP serverB、IP Helper is used to prevent the router form forwarding IP broadcastsC、IP Helper is used to allow IPX clients to communicate with IP-based serversD、IP Helper is used to accommodate compatibility routers using different IP routing protocolsE、None of the other alternatives apply
考题
What does the command ip pim send-rp-discovery scope 16 achieve？（）A、it enables PIM BSRB、it makes the router an Auto-RP mapping agentC、it advertises the router as an RP with Auto-RPD、it makes the router an Auto-RP client
考题
The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command？（）A、This command should be executed from the global configuration mode.B、The IP address 10.121.16.8 is the local router port used to forward data.C、102 is the remote DLCI that will receive the information.D、This command is required for all Frame Relay configurations.E、The broadcast option allows packets， such as RIP updates， to be forwarded across the PVC
考题
The ip pim autorp listener command is used to do which of these？（）A、enable a Cisco router to "passively" listen to Auto-RP packets without the router actively sending or forwarding any of the packetsB、allow Auto-RP packets in groups 224.0.1.39 and 224.0.1.40 to be flooded in dense mode out interfaces configured with the ip pim sparse-mode commandC、enable the use of Auto-RP on a routerD、configure the router as an Auto-RP mapping agent
考题
Which configuration command allows the ERX Edge Router to perform Unicast Reverse Path Forwarding lookups on all packets received on an IP interface?（）A、ip sa-validateB、ip split-horizonC、ip access-routesD、ip filter-options
考题
Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?（）A、enable cdpB、cdp enableC、cdp runD、run cdp
考题
Unicast Reverse Path Forwarding can perform all of these actions except which one？（）A、examine all packets received to make sure that the source addresses and source interfaces appear in the routing table and match the interfaces where the packets were receivedB、check to see if any packet received at a router interface arrives on the best return pathC、combine with a configured ACLD、log its events，if you specify the logging options for the ACL entries used by the unicast rpf commandE、inspect IP packets encapsulated in tunnels， such as GRE
考题
The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command（）。A、This command should be executed from the global configuration modeB、The IP address 10.121.16.8 is the local router port used to forward dataC、102 is the remote DLCI that will receive the informationD、This command is required for all Frame Relay configurationsE、The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC
考题
Which multicast groups support Auto-RP mapping and discovery？（）A、224.0.0.39B、224.0.1.39C、224.0.0.40D、224.0.1.40
考题
Which two multicast groups support Auto-RP mapping and discovery？（）A、224.0.0.39B、224.0.1.39C、224.0.0.40D、224.0.1.40
考题
单选题The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command（）。A
This command should be executed from the global configuration modeB
The IP address 10.121.16.8 is the local router port used to forward dataC
102 is the remote DLCI that will receive the informationD
This command is required for all Frame Relay configurationsE
The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC
考题
多选题Which two multicast groups support Auto-RP mapping and discovery？（）A224.0.0.39B224.0.1.39C224.0.0.40D224.0.1.40
考题
单选题Which configuration command allows the ERX Edge Router to perform Unicast Reverse Path Forwarding lookups on all packets received on an IP interface?（）A
ip sa-validateB
ip split-horizonC
ip access-routesD
ip filter-options
考题
单选题What does the command ip pim send-rp-discovery scope 16 achieve？（）A
it enables PIM BSRB
it makes the router an Auto-RP mapping agentC
it advertises the router as an RP with Auto-RPD
it makes the router an Auto-RP client
考题
单选题What is the purpose of this command? ip route 0.0.0.0 0.0.0.0 serial0/0（）A
It configures a router to send all packets out interface serial 0/0.B
It configures a router to block routing updates from being sent out interface serial 0/0.C
It configures a router as a firewall, blocking all unauthorized packets from exiting serial 0/0.D
It configures a router to send all packets for unknown destination networks out interface serial 0/0.E
It configures a router to drop all packets for which the destination network is unknown.
考题
单选题What is the purpose of configuring router R1 with the "IP Helper address" command？（）A
IP Helper is used to direct BOOTP clients to a BOOTP serverB
IP Helper is used to prevent the router form forwarding IP broadcastsC
IP Helper is used to allow IPX clients to communicate with IP-based serversD
IP Helper is used to accommodate compatibility routers using different IP routing protocolsE
None of the other alternatives apply
考题
单选题Refer to the exhibit. With an IPSec tunnel established between remote Router A and head-end router B, with Compressed Real-Time Protocol (cRTP) configured on the serial interface of Router A, what impact will the cRTP configuration have on the Voice over IP packets flowing through the IPSec tunnel from a Cisco 7960 IP phone?（）A
Twenty bytes of header will be replaced with five bytes. B
If the IPSec transform set includes Authentication Header, the receiving IPSec peer will discard the packets. C
The IPSec packets will be dropped by Router A's compression logic.D
The voice packets will not be compressed.
考题
单选题Unicast Reverse Path Forwarding can perform all of these actions except which one？（）A
examine all packets received to make sure that the source addresses and source interfaces appear in the routing table and match the interfaces where the packets were receivedB
check to see if any packet received at a router interface arrives on the best return pathC
combine with a configured ACLD
log its events，if you specify the logging options for the ACL entries used by the unicast rpf commandE
inspect IP packets encapsulated in tunnels， such as GRE
考题
单选题In which solution is a router ACL used？（）A
protecting a server frome unauthorized accesB
controlling path selection，based on the route metricC
reducing router CPU utilizationD
filterring packets that are passing through a router
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