Which term describes the process of encapsulating IPv6 packets inside IPv4 packets?() A.tunnelingB.hashingC.routingD.NAT
Which term describes the process of encapsulating IPv6 packets inside IPv4 packets?()
A.tunneling
B.hashing
C.routing
D.NAT
相关考题：
Which term describes a group of packets sharing common forwarding characteristics?() A. common forwarding classB. forwarding equivalence classC. equivalent class characteristicsD. forwarding class characteristics
Which two statements are true about firewall filter configurations?() A. Multiple action modifiers can be included in the same term.B. Only a single action modifier can be included in the same term.C. If an action modifier exists without a terminating action, matching packets will be accepted.D. If an action modifier exists without a terminating action, matching packets will be discarded.
A small amount of spoofed packets are being sent across a network and a large amount of reply packets are being sent back to the network resource. Which of the following BEST describes this security threat?（）A.WormB.SmurfC.Logic BombD.Man-in-the-middle
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.
Which three approaches can be used while migrating from an IPV4 addressing scheme to an IPV6 scheme.() A. statically map IPV4 address to IPV6 addressesB. configuration IPv4 tunnels between IPV6 islandsC. use DHCPv6 to map IPV4 addresses to IPV6 addressesD. use proxying and translation to translate IPV6 packets into IPV4 packetsE. configure IPV6 directlyF. enable dual-stack routing
Which two statements are true about MLP interleaving？ （）A、 It fragments and encapsulates all packets in a fragmentation header.B、 Packets smaller than the fragmentation size are interleaved between the fragments of thelarger packets.C、 Packets larger than the fragmentation size are always fragmented， and cannot be interleaved，even if the traffic is voice traffic.D、 It fragments and encapsulates packets that are longer than a configured size， but does not encapsulate smaller packets inside a fragmentation header.
In order to maintain security， with which hop count are IPv6 neighbor discovery packets sent？（）A、0B、1C、255D、256
Which statement best describes the application of link fragmentation and interleaving （LFI）？（）A、It compresses the Layer 2 payload and marks the packet as a high priority to be transmitted firstB、It fragments larger packets and allows VoIP packets to be transmitted in between them.C、It stops the transmission of large packets when priority packets arrive.D、It sends high priority packets in between normal traffic packets.
Which of the following solutions will encapsulate IPv6 packets with IPv4 headers？（）A、Create an IPv4 tunnel and assign the tunnel IPv6 addressesB、Create IPv4 interfaces on both ends of the network， and use either static routes or a routingprocess to direct IPv6 packets through those interfacesC、IPv6 packets cannot be encapsulated with IPv4 headers because the addresses are notcompatibleD、Create IFV6 interfaces on both ends of the network， and use static routes to point the IPv4address to those interfacesE、Use an IPv6 routing protocol like OSPFv3 and assign IPv4 packets to that processF、Create an IPv4 tunnel and use the tunnel mode ipv6ip command
You have configured a firewall filter with a single term matching on packets with a source address in the 10.0.0.0/24 subnet. This term only includes the count action.Which two statements are true about traffic evaluated by this firewall filter?（）A、Packets outside the 10.0.0.0/24 subnet will be accepted.B、Packets outside the 10.0.0.0/24 subnet will be rejected.C、Packets outside the 10.0.0.0/24 subnet will be counted.D、Packets outside the 10.0.0.0/24 subnet will not be counted.
Company network is implemting IPv6 into their existing IPv4 netwrok. Which statement is trueabout incorporating IPv6 into an already existing IPv4 network？（）A、Only OSPF version 3 can be utilized for routing IPv4 and IPv6B、IPv4 and IPv6 networks can be routed simultaneouslyC、IPv6 can be routed using the same routing protocol versions as IPv4D、A router routing for IPv6 and IPv4 must convert IPv4 packets to IPv6 packets to route themE、None of the other alternatives apply
Which three approaches can be used while migrating from an IPV4 addressing scheme to an IPV6 scheme?（）A、statically map IPV4 address to IPV6 addressesB、configuration IPv4 tunnels between IPV6 islandsC、use DHCPv6 to map IPV4 addresses to IPV6 addressesD、use proxying and translation to translate IPV6 packets into IPV4 packetsE、configure IPV6 directlyF、enable dual-stack routing
Which two statements about DS-Lite are true？（）A、IPv4 packets are carried over IPv6 tunnels to the LSN while IPv6 traffic is forwarded natively.B、Ipv6 packets are carried over IPv4 tunnels to the LSN while IPv4 traffic is forwards natively.C、The LSN performs NAT44 on private IPv4 source addresses.D、DS-Lite does not perform any address translation.
Which mechanism does OSPFv3 use when the router LSA is too big to be sent out？（）A、It relies on IPv6 to do the fragmenting.B、It splits the LS Update packet into smaller packets.C、It splits the LSA into smaller router LSA packets.D、It produces an error.
A small amount of spoofed packets are being sent across a network and a large amount of reply packets are being sent back to the network resource. Which of the following BEST describes this security threat?（）A、WormB、SmurfC、Logic BombD、Man-in-the-middle
单选题In order to maintain security， with which hop count are IPv6 neighbor discovery packets sent？（）A0B1C255D256
单选题Company network is implemting IPv6 into their existing IPv4 netwrok. Which statement is trueabout incorporating IPv6 into an already existing IPv4 network？（）AOnly OSPF version 3 can be utilized for routing IPv4 and IPv6BIPv4 and IPv6 networks can be routed simultaneouslyCIPv6 can be routed using the same routing protocol versions as IPv4DA router routing for IPv6 and IPv4 must convert IPv4 packets to IPv6 packets to route themENone of the other alternatives apply
多选题In IPv6 network, an IPv6 overlay tunnel is required to communicate with isolated IPv6 networks across the existing IPv4 infrastructurE. There are currently fiv e IPv6 overlay tunnel types. Which three IPv6 overlay tunnel statements are true？（）AOverlay tunnels can only be configured between border routers capable of supporting IPv4 and IPv6.BAn manual overlay tunnel supports point - to - multipo int tunnels capable of carrying IPv6 and Connectionless Network Service (CLNS) packets.COverlay tunneling encapsulates IPv6 packets in IPv4 packets for delivery across an IPv4 infrastructure.DOverlay tunnels can be configured between border route rs or between a border router and a host capable of supporting IPv4 and IPv6.ECisco IOS supports manual, generic routing encapsulation (GRE), IPv4 - compatible, 6to4, and Intra - Site Automatic Tunnel Addressing Protocol (ISATAP) overlay tunneling mechan isms.FCisco IOS supports manual, generic routing encapsulation (GRE), IPv6 - compatible, 4to6, and Multiprotocol Label Switching (MPLS) overlay tunneling mechanisms.
单选题Which statement best describes the application of link fragmentation and interleaving （LFI）？（）AIt compresses the Layer 2 payload and marks the packet as a high priority to be transmitted firstBIt fragments larger packets and allows VoIP packets to be transmitted in between them.CIt stops the transmission of large packets when priority packets arrive.DIt sends high priority packets in between normal traffic packets.
多选题Which two statements about DS-Lite are true？（）AIPv4 packets are carried over IPv6 tunnels to the LSN while IPv6 traffic is forwarded natively.BIpv6 packets are carried over IPv4 tunnels to the LSN while IPv4 traffic is forwards natively.CThe LSN performs NAT44 on private IPv4 source addresses.DDS-Lite does not perform any address translation.
多选题Which three approaches can be used while migrating from an IPV4 addressing scheme to an IPV6 scheme？（）Astatically map IPV4 address to IPV6 addressesBconfiguration IPv4 tunnels between IPV6 islandsCuse DHCPv6 to map IPV4 addresses to IPV6 addressesDuse proxying and translation to translate IPV6 packets into IPV4 packetsEconfigure IPV6 directlyFenable dual-stack routing
多选题Which two statements are true about firewall filter configurations?（）AMultiple action modifiers can be included in the same term.BOnly a single action modifier can be included in the same term.CIf an action modifier exists without a terminating action, matching packets will be accepted.DIf an action modifier exists without a terminating action, matching packets will be discarded.
单选题Which term describes a group of packets sharing common forwarding characteristics?（）Acommon forwarding classBforwarding equivalence classCequivalent class characteristicsDforwarding class characteristics
多选题Which two statements are true about MLP interleaving？ （）AIt fragments and encapsulates all packets in a fragmentation header.BPackets smaller than the fragmentation size are interleaved between the fragments of thelarger packets.CPackets larger than the fragmentation size are always fragmented， and cannot be interleaved，even if the traffic is voice traffic.DIt fragments and encapsulates packets that are longer than a configured size， but does not encapsulate smaller packets inside a fragmentation header.
单选题Which term describes the process of encapsulating IPv6 packets inside IPv4 packets?（）AtunnelingBhashingCroutingDNAT
单选题Which mechanism does OSPFv3 use when the router LSA is too big to be sent out？（）AIt relies on IPv6 to do the fragmenting.BIt splits the LS Update packet into smaller packets.CIt splits the LSA into smaller router LSA packets.DIt produces an error.
单选题Which of the following solutions will encapsulate IPv6 packets with IPv4 headers？（）ACreate an IPv4 tunnel and assign the tunnel IPv6 addressesBCreate IPv4 interfaces on both ends of the network， and use either static routes or a routingprocess to direct IPv6 packets through those interfacesCIPv6 packets cannot be encapsulated with IPv4 headers because the addresses are notcompatibleDCreate IFV6 interfaces on both ends of the network， and use static routes to point the IPv4address to those interfacesEUse an IPv6 routing protocol like OSPFv3 and assign IPv4 packets to that processFCreate an IPv4 tunnel and use the tunnel mode ipv6ip command