For best packet switching performance with crypto, what is the recommend packet switching path in a Cisco Teleworker Router?（）A、Process SwitchingB、Silicon Switching C、Cisco Express Forwarding (CEF) SwitchingD、Autonomous Switching
For best packet switching performance with crypto, what is the recommend packet switching path in a Cisco Teleworker Router?（）
- A、Process Switching
- B、Silicon Switching
- C、Cisco Express Forwarding (CEF) Switching
- D、Autonomous Switching
相关考题：
Router VE1 has just received a packet and needs to route it. What two actions must this router take in order to route incoming packets? (Choose two)A. Inspect the routing table to select the best path to the destination network addresses.B. Validate sources of routing information.C. Inspect the ARP table to verify a legitimate source MAC address for each packet.D. Identify the destination network address of each packet.E. Verify the receipt of routed packets by the next hop router.F. Identify the source network address of each packet.
Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network.Which of the following answers best describes the router‘s logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?（）A. When the packet received on the LAN interface is permitted by the ACL listed on the tunnel greacl command under the incoming interfaceB. When routing the packet, matching a route whose outgoing interface is the GRE tunnel interfaceC. When routing the packet, matching a route whose outgoing interface is the IPsec tunnel interfaceD. When permitted by an ACL that was referenced in the associated crypto map
Which best represents a typical attackthat takes advantage of RFC 792， ICMPType 3 messages？（）A、 Blind connection-resetB、 Large packet echo requestC、 Packet fragmentation offsetD、 Broadcast-based echo requestE、 Excessive bandwidth consumption
What is the best description of serialization delay？ （）A、the time it takes for a Layer 3 switch or a router to switch a packet from an inbound interface to the queue of the outbound interfaceB、the time it takes for a propagate from source to destinationC、the time it takes to place a frame on the physical medium for transportD、the time a packet resides in the outbound queue of a router
GPRS的英文全称为（）A、Global.Packet.Radio.ServiceB、General.Packet.Radio.SystemC、General.Packet.Radio.ServiceD、Global.Packet.Radio.System
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.
Refer to the exhibit. A router has a 256 kbps Frame Relay circuit connected to interface serial 0/0. As a large FTP packet is being placed into the hardware transmit queue of interface serial 0/0， a voice packet is placed into the priority queue of that interface. How， and in what order， wi the packets be transmitted？（）A、the voice packet will be transmitted first， followed by the FTP packet in its entiretyB、the voice packet will be transmitted first， followed by the fragmented FTP packetC、the FTP packet will be fragmented and the voice packet will be interleavedD、the FTP packet will be transmitted first in its entirety， follow by the voice packet
Which two statements best describe Cisco IOS IP SLA？（）A、only implemented between Cisco source and destination-capable devicesB、statistics provided by syslog， CLI， and SNMPC、measures delay， jitter， packet loss， and voice qualityD、only monitors VoIP traffic flowsE、provides active monitoringF、provides passive monitoring
Man-in-the-Middle类攻击可细分为（）。A、Packet capturingB、Packet alterationC、Packet injectionD、Connection hijackingE、Packet insert
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
GPRS的英文全称为（）A、Global Packet Radio ServiceB、General Packet Radio SystemC、General Packet Radio ServiceD、Global Packet Radio System
GPRS正确的的英文全称描述：（）A、Global Packet Radio ServiceB、General Packet Radio ServiceC、General Packet Radio SystemD、Global Packet Radio System
What are BCP 38 （Best Common Practices 38）/RFC 2827 Ingress Packet Filtering Principles？（）A、Filter Smurf ICMP packets.B、Filter as close to the core as possibleC、Filter as close to the edge as possibleD、Filter as precisely as possibleE、Filter both source and destination where possible
BCP （Best Common Practices） 38/RFC 2827 Ingress and Egress Packet Filtering would help mitigate whatclassification of attack？（）A、Sniffing attackB、Denial of service attackC、Port Scan attackD、Reconnaisance attackE、Spoofing attack
Which statement best describes the Turbo ACL feature？ （）A、The Turbo ACL feature processes ACLs into lookup tables for greater efficiencyB、The Turbo ACL feature leads to increased latency， because the time it takes to match the packet isvariableC、The Turbo ACL feature leads to reduced latency， because the time it takes to match the packet is fixedand consistentD、Turbo ACLs increase the CPU load by matching the packet to a predetermined list
Intermediate system to intermediate system (IS - IS), is a protocol used by network devices (routers) to determine the best way to forward datagrams through a packet - switched network, a process called routing. Which three attributes are of the IS - IS routing protocol? （） A、supports VLSMB、link - state routing protocolC、operati on is similar to BGPD、supports two routing levels within an autonomous system
Select the three best answers which best describe Private Network-to Network Interface （PNNI） in an ATM network.（）A、It is the Routing protocol used between ATM switchesB、PNNI uses the same Dijsktra algorithm for SPF calculationC、PNNI and OSPF use the same Database to make cohesive decision for packet forwardingD、PNNI measures line capacities and delays in addition to simple cost metrics
For delay sensitive traffic， what are the three best ways that are used to prevent packet loss？ （）A、 Compress payload.B、 Use header compression.C、 Increase link capacity.D、 Use random early detection.E、 Guarantee bandwidth to fragile flows.F、 Implement network-based application recognition.
QoS refers to the ability of a network to provide improved service， over various underlying technologies， to select network traffic. Which two traits are inherent to QoS？（）A、 reference to network ability to provide improved service to all network trafficB、 reduction in delay， jitter， and packet lossC、 equal handling of all packetsD、 support for real-time applicationsE、 best-effort actions
多选题Which statement best describes the Turbo ACL feature？ （）AThe Turbo ACL feature processes ACLs into lookup tables for greater efficiencyBThe Turbo ACL feature leads to increased latency， because the time it takes to match the packet isvariableCThe Turbo ACL feature leads to reduced latency， because the time it takes to match the packet is fixedand consistentDTurbo ACLs increase the CPU load by matching the packet to a predetermined list
单选题Which best represents a typical attackthat takes advantage of RFC 792， ICMPType 3 messages？（）A Blind connection-resetB Large packet echo requestC Packet fragmentation offsetD Broadcast-based echo requestE Excessive bandwidth consumption
单选题Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network. Which of the following answers best describes the router's logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?（）AWhen the packet received on the LAN interface is permitted by the ACL listed on the tunnel greacl command under the incoming interfaceBWhen routing the packet, matching a route whose outgoing interface is the GRE tunnel interfaceCWhen routing the packet, matching a route whose outgoing interface is the IPsec tunnel interfaceDWhen permitted by an ACL that was referenced in the associated crypto map
单选题What is the best description of serialization delay？ （）Athe time it takes for a Layer 3 switch or a router to switch a packet from an inbound interface to the queue of the outbound interfaceBthe time it takes for a propagate from source to destinationCthe time it takes to place a frame on the physical medium for transportDthe time a packet resides in the outbound queue of a router
多选题What are BCP 38 （Best Common Practices 38）/RFC 2827 Ingress Packet Filtering Principles？（）AFilter Smurf ICMP packets.BFilter as close to the core as possibleCFilter as close to the edge as possibleDFilter as precisely as possibleEFilter both source and destination where possible
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BCP （Best Common Practices） 38/RFC 2827 Ingress and Egress Packet Filtering would help mitigate whatclassification of attack？（）ASniffing attackBDenial of service attackCPort Scan attackDReconnaisance attackESpoofing attack
多选题Which two statements best describe Cisco IOS IP SLA？（）Aonly implemented between Cisco source and destination-capable devicesBstatistics provided by syslog， CLI， and SNMPCmeasures delay， jitter， packet loss， and voice qualityDonly monitors VoIP traffic flowsEprovides active monitoringFprovides passive monitoring