Which of the following statements concerning IGMP are correct？（Choose all that apply.）（）A、With IGMPvl， queries are sent to a specific groupB、Hosts issuing IGMPvl requests will be correctly interpreted by IGMPv2 hosts due to backwardcompatibilityC、An IGMPv2 router will ignore IGMPv2 leave messages when IGMFVl hosts are presentD、With IGMFV2， a leave message is supportedE、An IGMPv2 host will send an IGMFVl report on an IGMFVl routerF、An IGMPv2 router can only allow IGMPv2 hosts to execute a join request
Which of the following statements concerning IGMP are correct？（Choose all that apply.）（）
- A、With IGMPvl， queries are sent to a specific group
- B、Hosts issuing IGMPvl requests will be correctly interpreted by IGMPv2 hosts due to backwardcompatibility
- C、An IGMPv2 router will ignore IGMPv2 leave messages when IGMFVl hosts are present
- D、With IGMFV2， a leave message is supported
- E、An IGMPv2 host will send an IGMFVl report on an IGMFVl router
- F、An IGMPv2 router can only allow IGMPv2 hosts to execute a join request
相关考题：
Which two statements are true about the relationship between static NAT and proxy ARP? ()(Choose two.) A. It is necessary to forward ARP requests to remote hosts.B. It is necessary when translated traffic belongs to the same subnet as the ingress interface.C. It is not automatic and you must configure it.D. It is enabled by default and you do not need to configure it.
The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems (Choose two.)()。 A.Configure the gateway on Host A as 10.1.1.1B.Configure the gateway on Host B as 10.1.2.254C.Configure the IP address of Host A as 10.1.2.2D.Configure the IP address of Host B as 10.1.2.2E.Configure the masks on both hosts to be 255.255.255.224F.Configure the masks on both hosts to be 255.255.255.240
以下关于IGMP协议的描述，正确的是（ ）。A．IGMP运行于主机和与主机直接相连的组播路由器之间B．IGMP实现的功能是单向的C．IGMPvl添加了组成员快速离开的机制D．IGMPv2定义了基本的组成员查询和报告过程
Which of the following statements is correct regarding PIM Sparse Mode operations？（）A、It does not support all underlying unicast routing protocols like GBPB、It supports shared trees only assuming all hosts want the multicast trafficC、Receivers are registered with RP by their first-hop routerD、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
Which of the following are valid methods of providing a router with information concerning thelocation of the RP？ （Choose all that apply.）（）A、Statically defined RPB、Bootstrap RouterC、Auto-RPD、RP Discovery Protocol （RDP）E、RP HeliosF、RPARP（RARP）
Which of the following is not an essential prerequisite for AutoQoS to be correctly applied to aninterface？ （Choose all that apply.）（）A、The interface must be configured as a Multilink PPP interfaceB、The correct bandwidth should be configured on the interfaceC、A QoS policy must not be currently attached to the interfaceD、CEF must be enabledE、AutoQoS must be enabled globally before it can be enabled on the interfaceF、An IP address must be configured on the interface if its speed is equal to or less than 768 kbps
Which two are differences between IGMPv2 and IGMPv3 reports？（）A、IGMPv3 has the ability to include or exclude source lists.B、All IGMPv3 hosts send reports to destination address 224.0.0.22.C、Only IGMPv2 reports may contain multiple group state records.D、All IGMPv3 hosts send reports to destination address 224.0.0.23.E、IGMPv2 does not support the Leave Group message.
Which of the following statements are true concerning the command ip sla monitor responder typetcpconnect ipaddress 10.1.1.1 port 23？（Choose all that apply.）（）A、The command will initiate a probe with a destination IP address of 10.1.1.1B、The command is used on the IP SLA responder and the IP SLA sourceC、The command will allow only source address 10.1.1.1 to source probesD、The command will initiate a probe with a destination Telnet portE、The command is used to make the router a responderF、The command will initiate a probe with a source port of 23
When one connection to a host fails in a full mesh network， which of the following is true？（）A、All hosts can communicate.B、No hosts can communicate.C、Half of the hosts will lose communication.D、Only the two hosts between the failed connection will lose communication.
Which two statements are true about Internet Group Management Protocol (IGMP) snooping?（）A、IGMP snooping and Cisco Group Membership Protocol (CGMP) can be used simultaneously on a switch.B、IGMP snooping a nd Cisco Group Membership Protocol (CGMP) were developed to help Layer 3 switches make intelligent forwarding decisions on their own.C、IGMP snooping examines IGMP join/leave messages so that multicast traffic is forwarded only to hosts that sent an IG MP message toward the router.D、IGMP snooping is an IP multicast constraining mechanism for Layer 2 switches.E、IGMP snooping is enabled with the ip multicast - routing global configuration command.
To which of these does IP multicast send packets?（）A、a single hostB、a subset of hostsC、all hosts sequentiallyD、all hosts simultaneously
Which of the following are valid modes of accessing the data plane？ （Choose all that apply.）（）A、Serial connectionB、Secure ShellC、RADIUSD、Simple Network Management ProtocolE、HTTPF、Telnet
Which of the following analyzes the entire subnet to identify all hosts that are active?（）A、Ping sweepB、Packet snifferC、TracerouteD、Port scanner
Which of the following routing components is used for sending messages to other SMTP hosts？（）A、Routing groupB、Send connectorC、DNSD、Delivery agent
单选题Which of the following statements concerning energy is correct?（）AEnergy can be created or destroyedBEnergy may not be transformedCThe total quantity of energy in the universe is always the sameDNone of the above
多选题Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)Ac=dBl and k are parallelCm and l are perpendicular
多选题Which of the following are valid methods of providing a router with information concerning thelocation of the RP？ （Choose all that apply.）（）AStatically defined RPBBootstrap RouterCAuto-RPDRP Discovery Protocol （RDP）ERP HeliosFRPARP（RARP）
多选题Which of the following are valid modes of accessing the data plane？ （Choose all that apply.）（）ASerial connectionBSecure ShellCRADIUSDSimple Network Management ProtocolEHTTPFTelnet
多选题Which of the following statements concerning IGMP are correct？（Choose all that apply.）（）AWith IGMPvl， queries are sent to a specific groupBHosts issuing IGMPvl requests will be correctly interpreted by IGMPv2 hosts due to backwardcompatibilityCAn IGMPv2 router will ignore IGMPv2 leave messages when IGMFVl hosts are presentDWith IGMFV2， a leave message is supportedEAn IGMPv2 host will send an IGMFVl report on an IGMFVl routerFAn IGMPv2 router can only allow IGMPv2 hosts to execute a join request
多选题Which of the following is not an essential prerequisite for AutoQoS to be correctly applied to aninterface？ （Choose all that apply.）（）AThe interface must be configured as a Multilink PPP interfaceBThe correct bandwidth should be configured on the interfaceCA QoS policy must not be currently attached to the interfaceDCEF must be enabledEAutoQoS must be enabled globally before it can be enabled on the interfaceFAn IP address must be configured on the interface if its speed is equal to or less than 768 kbps
单选题Which of the following statements concerning fire-tube boilers is correct?（）ACombustion gases flow through the tubesBFlames impinge on the tubesCCombustion occurs in the tubesDWater flows through the tubes
多选题Which of the following are supported in Cisco Global Site Selector？ （）AFull DNS functionality as a replacement of a DNSBResponds to a DNS query with A-recordCForwards queries to a name serverDMultiple A-recordsEDHCP functionality for the local hosts
多选题Which two statements are true about the relationship between static NAT and proxy ARP? （）(Choose two.)AIt is necessary to forward ARP requests to remote hosts.BIt is necessary when translated traffic belongs to the same subnet as the ingress interface.CIt is not automatic and you must configure it.DIt is enabled by default and you do not need to configure it.
多选题Which two are differences between IGMPv2 and IGMPv3 reports？（）AIGMPv3 has the ability to include or exclude source lists.BAll IGMPv3 hosts send reports to destination address 224.0.0.22.COnly IGMPv2 reports may contain multiple group state records.DAll IGMPv3 hosts send reports to destination address 224.0.0.23.EIGMPv2 does not support the Leave Group message.
多选题Which of the following statements are true concerning the command ip sla monitor responder typetcpconnect ipaddress 10.1.1.1 port 23？（Choose all that apply.）（）AThe command will initiate a probe with a destination IP address of 10.1.1.1BThe command is used on the IP SLA responder and the IP SLA sourceCThe command will allow only source address 10.1.1.1 to source probesDThe command will initiate a probe with a destination Telnet portEThe command is used to make the router a responderFThe command will initiate a probe with a source port of 23
单选题Which of the following statements is correct regarding PIM Sparse Mode operations？（）AIt does not support all underlying unicast routing protocols like GBPBIt supports shared trees only assuming all hosts want the multicast trafficCReceivers are registered with RP by their first-hop routerDReceivers are joinedto the Shared Tree（rooted the rp ）by their local Designated Router（DR）EFrom the RP，traffic flows down a Source Tree to each receiver