CCIE系列认证
单选题In PIM-SM operations，to which device does the first router that connects with the multicast source sendthe register message？（）A RPB multicast sourceC IGMP routerD multicast receiverE PIM designated router
题目
RP
multicast source
IGMP router
multicast receiver
PIM designated router
相似问题和答案
第1题：
The network administrator would like to generate synthetic traffic using the Service AssuranceAgent contained in Cisco IOS. Which CiscoWorks network management application will be used toreport the latency and availability for configured traffic operations on an end-to-end and hop-by-hop （router-to-router） basis？（）
- A、 nGenius Real-Time Monitor
- B、 CiscoView
- C、 Device Fault Manager
- D、 Internetwork Performance Monitor
正确答案:D
第2题：
In PIM-SM operations， the first router connected to the multicast source sends the Register message towhich device？（）
- A、Multicast source
- B、Multicast receiver
- C、RP
- D、RP mapping agent
- E、Designated Router （DR）
正确答案:C
第3题：
A. profile
B. domain map
C. DHCP server
D. RADIUS server
第4题：
In PIM-SM operations，to which device does the first router that connects with the multicast source sendthe register message？（）
- A、RP
- B、multicast source
- C、IGMP router
- D、multicast receiver
- E、PIM designated router
正确答案:A
第5题：
In GLBP，which router will answer on client ARP requests？（）
- A、all active AVF routers as the first response is used by the client
- B、the AVG router，replying with a different AVF MAC address each time
- C、a random AVF router，based on a GLBP seed hash key
- D、only the AVG router that received the ARP request first
正确答案:B
第6题：
Which of the following statements is correct regarding PIM Sparse Mode operations？（）
- A、It does not support all underlying unicast routing protocols like GBP
- B、It supports shared trees only assuming all hosts want the multicast traffic
- C、Receivers are registered with RP by their first-hop router
- D、Receivers are joinedto the Shared Tree（rooted the rp ）by their local Designated Router（DR）
- E、From the RP，traffic flows down a Source Tree to each receiver
正确答案:D
第7题：
Which of the following HSRP router states does an active router enter when it is preempted by a higher priority router？（）
- A、 active
- B、 speak
- C、 learn
- D、 listen
- E、 init
- F、 standby
正确答案:B
第8题：
The network administrator would like to generate synthetic traffic using the Service Assurance Agent contained in Cisco IOS. Which CiscoWorks network management application will be used to report the latency and availability for configured traffic operations on an end-to-end and hop-byhop (router-to-router) basis?（）
A. nGenius Real-Time Monitor
B. CiscoView
C. Device Fault Manager
D. Internetwork Performance Monitor
第9题：
Which statement about PIM sparse mode operations is true？（）
- A、It does not support all underlying unicast routing protocols like BGP
- B、Receivers are registered with RP by their first hop router
- C、From the RP， traffic flows down a source tree to each receiver.
- D、It supports shared trees only， and assumes all hosts want the multicast traffic
- E、Receivers are joined to the shared tree by their local designated router
正确答案:E
第10题：
Which of these statements about PIM join messages in classic PIM-SM is correct？（）
- A、PIM join messages are sent every 60 seconds to refresh the upstream router’s mroute state for the multicast tree.
- B、Routers send a PIM join acknowledgement in response to each PIM join message received from a downstream router.
- C、PIM join messages are only sent when the multicast distribution tree is first being established.
- D、PIM join messages are sent every three minutes to refresh the upstream router’s mroute state for the multicast tree.
正确答案:A