Why is IPv6 packet processing more effective than IPv4 packet processing?（）A、fixed header sizeB、smaller header sizeC、fewer header fieldsD、variable header size
Why is IPv6 packet processing more effective than IPv4 packet processing?（）
- A、fixed header size
- B、smaller header size
- C、fewer header fields
- D、variable header size
相关考题：
Which element occurs first during the first－packet－path processing?() A. destination NATB. forwarding lookupC. route lookupD. SCREEN options
Which ERX Edge Router component is responsible for all packet processing and packet forwarding?() A.I/O adapterB.line moduleC.shared memory fabricD.switch route processor
Which two firewall filter actions will terminate the processing and evaluation of a packet?() A. permitB. acceptC. denyD. discard
What are two ways that packet fragmentation is handled differently between IPv6 and IPv4?() A. End hosts determine the path MTU for IPv6.B. End hosts determine the path MTU for IPv4.C. Packet fragmentation occurs at intermediate nodes for IPv4.D. Packet fragmentation occurs at intermediate nodes for IPv6.
Why is IPv6 packet processing more effective than IPv4 packet processing?() A. fixed header sizeB. smaller header sizeC. fewer header fieldsD. variable header size
vPath is a critical component in the VNS architecture. Which two are functions of vPath？（）A、 intelligent traffic steering to the VSGB、 offloading the processing from the VSG to the VEMC、 intelligent traffic steering to the VNMCD、 offloading the processing from the VSG to the flow managerE、 deep packet inspection
How does an IPv6 router deal with a packet that is larger than the outgoing interface MTU？（）A、It will fragment the packet at Layer 2.B、It will fragment the packet at Layer 3.C、It will drop the packet and send an ICMPv6 message "packet too big" back to the source.D、It will drop the packet.
What best describes processing delay？（）A、the time required from receipt of the incoming frame， until the frame/packet has been queued for transmissionB、the time taken for a single packet to traverse the physical medium from one end to the otherC、the time taken to place a frame on the physical medium for transportD、the time spent for a packet to reside in the output queue of a router
If the PFE does not have a route to the destination address of a packet， which action will be taken？（）A、The PFE floods the packet out of all interfaces.B、The PFE drops the packet and sends a destination unreachable notification back to source device.C、The PFE forwards the packet to the routing engine for further processing.D、The PFE queues the packet and sends a request for a layer 3 lookup to the routing engine.
Which two firewall filter actions will terminate the processing and evaluation of a packet?（）A、permitB、acceptC、denyD、discard
Which element occurs first during the first-packet-path processing?（）A、destination NATB、forwarding lookupC、route lookupD、SCREEN options
In which integration method is an IPV6 packet encapsulated within an IPV4 protocol？（）A、proxyB、dual-stackC、tunnelingD、dot1q
What are two ways that packet fragmentation is handled differently between IPv6 and IPv4?（）A、End hosts determine the path MTU for IPv6.B、End hosts determine the path MTU for IPv4.C、Packet fragmentation occurs at intermediate nodes for IPv4.D、Packet fragmentation occurs at intermediate nodes for IPv6.
多选题Which two statements about Junos software packet handling are correct?（）(Choose two.)AThe Junos OS applies service ALGs only for the first packet of a flow.BThe Junos OS uses fast-path processing only for the first packet of a flow.CThe Junos OS performs policy lookup only for the first packet of a flow.DThe Junos OS applies SCREEN options for both first and consecutive packets of a flow.
单选题How does an IPv6 router deal with a packet that is larger than the outgoing interface MTU？（）AIt will fragment the packet at Layer 2.BIt will fragment the packet at Layer 3.CIt will drop the packet and send an ICMPv6 message packet too big back to the source.DIt will drop the packet.
多选题Which two statements about JUNOS Software packet handling are correct？（）AJUNOS Software applies service ALGs only for the first packet of a flow.BJUNOS Software uses fast-path processing only for the first packet of a flow.CJUNOS Software performs route and policy lookup only for the first packet of a flow.DJUNOS Software applies SCREEN options for both first and consecutive packets of a flow.
单选题Why is IPv6 packet processing more effective than IPv4 packet processing?（）Afixed header sizeBsmaller header sizeCfewer header fieldsDvariable header size
单选题In which integration method is an IPV6 packet encapsulated within an IPV4 protocol?（）AproxyBdual-stackCtunnelingDdot1q
单选题A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. What action will the router take？（）Aforwards the packetBfragments the packetCdrops the packet silentlyDdrops the packet and sends an ICMP message
多选题Which two statements about the use of SCREEN options are correct？（）ASCREEN options are deployed at the ingress and egress sides of a packet flow.BAlthough SCREEN options are very useful， their use can result in more session creation.CSCREEN options offer protection against various attacks at the ingress zone of a packet flow.DSCREEN options examine traffic prior to policy processing， thereby resulting in fewer resouces used formalicious packet processing.
单选题Which ERX Edge Router component is responsible for all packet processing and packet forwarding？（）AI/O adapterBline moduleCshared memory fabricDswitch route processor
多选题vPath is a critical component in the VNS architecture. Which two are functions of vPath？（）Aintelligent traffic steering to the VSGBoffloading the processing from the VSG to the VEMCintelligent traffic steering to the VNMCDoffloading the processing from the VSG to the flow managerEdeep packet inspection
单选题What best describes processing delay？（）Athe time required from receipt of the incoming frame， until the frame/packet has been queued for transmissionBthe time taken for a single packet to traverse the physical medium from one end to the otherCthe time taken to place a frame on the physical medium for transportDthe time spent for a packet to reside in the output queue of a router
单选题If the PFE does not have a route to the destination address of a packet， which action will be taken？（）AThe PFE floods the packet out of all interfaces.BThe PFE drops the packet and sends a destination unreachable notification back to source device.CThe PFE forwards the packet to the routing engine for further processing.DThe PFE queues the packet and sends a request for a layer 3 lookup to the routing engine.
单选题A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. Which action will the router take?（）AForward the packet.BFragment the packet.CDrop the packet silently.DDrop the packet and send an ICMPv6 message.