单选题How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?（）AIt sends the traffic through one egress port toward its destinationBIt sends the traffic through multiple egress ports to all available receiversCIt sends the traffic through an internal link to the REDIt sends the traffic to the local system for further processing
单选题
How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?（）
A
It sends the traffic through one egress port toward its destination
B
It sends the traffic through multiple egress ports to all available receivers
C
It sends the traffic through an internal link to the RE
D
It sends the traffic to the local system for further processing
参考解析
解析：
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相关考题：
Which statement describes transit traffic?() A. Traffic addressed to the chassis that requires some form of special handling by the RE before it can be forwarded out an egress port.B. Traffic that enters an ingress port, is compared against the forwarding table, and is forwarded out an egress port.C. Any traffic that requires the generation of an ICMP message.D. Traffic that requires some form of special attention and does not pass through the device.
In the Junos OS, what handles transit traffic?() A. Transit traffic is handled by the RE onlyB. Transit traffic is handled by the PFE onlyC. Transit traffic is handled by both the RE and the PFED. Transit traffic is not handled by the RE or the PFE
What are two examples of RE exception traffic?() A. BGP updates that travel through the local router and are destined for a remote router.B. OSPF hello packets that are sent from a remote router and are destined for the local router.C. Telnet traffic that is sent from a remote host and is destined for the local router.D. Telnet traffic that travels through the local router and is destined for a remote end host.
How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?() A. It sends the traffic through one egress port toward its destinationB. It sends the traffic through multiple egress ports to all available receiversC. It sends the traffic through an internal link to the RED. It sends the traffic to the local system for further processing
What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?() A. It routes all traffic that is addresses to the destination network to the interface indicates in the routing table.B. It sends a copy of its neighbor table to all adjacent routers.C. It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.D. It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.
When BGP tuning is used, how is packet flow into the e－commerce module controlled?() A. by tracking the status of objects along the path to the e-commerce moduleB. by detecting undesirable conditions along the path to the e-commerce moduleC. by using the MED to communicate the site preferences for traffic to multiple ISPsD. by communicating the available prefixes, routing policies, and preferences of each site to its ISPE. by moving the SLB to a position where selected traffic to and from the servers does not go through the SLB
On Cisco Nexus 5000 Series Switches， where are the virtual output queues implemented， and what is the main purpose of virtual output queues？（）A、 on all ingress interfaces； to ensure maximum throughput on a per-egress， per-CoS basisB、 on all ingress interfaces； to provide independent congestion management and 16 queuesC、 on all egress interfaces； so that a congested egress port does not affect traffic directed to other egress portsD、 on all egress interfaces； to prevent head-of-line blocking by utilizing multiple virtual output queuesE、 on all egress interfaces； to be able to use EEE 802.1p CoS
Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）A、Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.B、R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.C、R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.D、All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.
When BGP tuning is used, how is packet flow into the e-commerce module controlled?（）A、by tracking the status of objects along the path to the e-commerce moduleB、by detecting undesirable conditions along the path to the e-commerce moduleC、by using the MED to communicate the site preferences for traffic to multiple ISPsD、by communicating the available prefixes, routing policies, and preferences of each site to its ISPE、by moving the SLB to a position where selected traffic to and from the servers does not go through the SLB
Which statement describes the PFE?（）A、The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tablesB、The PFE implements advanced services such as policing, stateless firewall filtering, and class of serviceC、The PFE sends traffic to the RE for systematic packet forwardingD、The PFE receives hardware and environmental status messages from the RE
How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?（）A、It sends the traffic through one egress port toward its destinationB、It sends the traffic through multiple egress ports to all available receiversC、It sends the traffic through an internal link to the RED、It sends the traffic to the local system for further processing
Which statement describes transit traffic?（）A、Traffic addressed to the chassis that requires some form of special handling by the RE before it can be forwarded out an egress port.B、Traffic that enters an ingress port, is compared against the forwarding table, and is forwarded out an egress port.C、Any traffic that requires the generation of an ICMP message.D、Traffic that requires some form of special attention and does not pass through the device.
Which statement describes the behavior of a security policy？（）A、The implicit default security policy permits all traffic.B、Traffic destined to the device itself always requires a security policy.C、Traffic destined to the device’s incoming interface does not require a security policy.D、The factory-default configuration permits all traffic from all interfaces.
In the Junos OS, what handles transit traffic?（）A、Transit traffic is handled by the RE onlyB、Transit traffic is handled by the PFE onlyC、Transit traffic is handled by both the RE and the PFED、Transit traffic is not handled by the RE or the PFE
Which of the following functions does the "ifconfig en4 down" perform？（）A、Removes the en4 interfaceB、Removes the en4’s network routeC、Stops all traffic through the en4 interfaceD、Stops all traffic through the en4 and removes its network route from the routing table
Which statement describes exception traffic?（）A、Exception traffic must be sent to the PFE for processing.B、Exception traffic enters one ingress port and is sent out multiple egress ports.C、Exception traffic is rate-limited on the internal link to prevent DoS attacks.D、Exception traffic is processed after forwarding traffic when congestion exists.
What are two examples of RE exception traffic?（）A、BGP updates that travel through the local router and are destined for a remote router.B、OSPF hello packets that are sent from a remote router and are destined for the local router.C、Telnet traffic that is sent from a remote host and is destined for the local router.D、Telnet traffic that travels through the local router and is destined for a remote end host.
单选题How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?（）AIt sends the traffic through one egress port toward its destinationBIt sends the traffic through multiple egress ports to all available receiversCIt sends the traffic through an internal link to the REDIt sends the traffic to the local system for further processing
单选题When BGP tuning is used, how is packet flow into the e-commerce module controlled?（）Aby tracking the status of objects along the path to the e-commerce moduleBby detecting undesirable conditions along the path to the e-commerce moduleCby using the MED to communicate the site preferences for traffic to multiple ISPsDby communicating the available prefixes, routing policies, and preferences of each site to its ISPEby moving the SLB to a position where selected traffic to and from the servers does not go through the SLB
单选题What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?（）AIt routes all traffic that is addresses to the destination network to the interface indicates in the routing table.BIt sends a copy of its neighbor table to all adjacent routers.CIt sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.DIt broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.
单选题Which statement describes the PFE?（）AThe PFE controls the RE by providing Layer 2 and Layer 3 forwarding tablesBThe PFE implements advanced services such as policing, stateless firewall filtering, and class of serviceCThe PFE sends traffic to the RE for systematic packet forwardingDThe PFE receives hardware and environmental status messages from the RE
单选题Which statement describes exception traffic?（）AException traffic must be sent to the PFE for processing.BException traffic enters one ingress port and is sent out multiple egress ports.CException traffic is rate-limited on the internal link to prevent DoS attacks.DException traffic is processed after forwarding traffic when congestion exists.
单选题Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）ATraffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.BR2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.CR2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.DAll the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.
单选题Which of the following functions does the "ifconfig en4 down" perform？（）ARemoves the en4 interfaceBRemoves the en4’s network routeCStops all traffic through the en4 interfaceDStops all traffic through the en4 and removes its network route from the routing table
单选题A customer indicates they run a mission-critical application which marks its packets best-effort (DSCP=0). How can you guarantee delivery of this traffic?（）ARemark the traffic on ingress and prioritize on egress.BEnable CEF and Netflow. CConfigure the MS-Windows QoS Scheduler to prioritize this traffic.DEnable WRED.
单选题Which statement describes transit traffic?（）ATraffic addressed to the chassis that requires some form of special handling by the RE before it can be forwarded out an egress port.BTraffic that enters an ingress port, is compared against the forwarding table, and is forwarded out an egress port.CAny traffic that requires the generation of an ICMP message.DTraffic that requires some form of special attention and does not pass through the device.
单选题On Cisco Nexus 5000 Series Switches， where are the virtual output queues implemented， and what is the main purpose of virtual output queues？（）A on all ingress interfaces； to ensure maximum throughput on a per-egress， per-CoS basisB on all ingress interfaces； to provide independent congestion management and 16 queuesC on all egress interfaces； so that a congested egress port does not affect traffic directed to other egress portsD on all egress interfaces； to prevent head-of-line blocking by utilizing multiple virtual output queuesE on all egress interfaces； to be able to use EEE 802.1p CoS
单选题In the Junos OS, what handles transit traffic?（）ATransit traffic is handled by the RE onlyBTransit traffic is handled by the PFE onlyCTransit traffic is handled by both the RE and the PFEDTransit traffic is not handled by the RE or the PFE