What are three values that must be the same within a sequence of packets for Netflow to consider them a network flow?（）

A .  Cisco Intrusion Prevention System B .  DMZ C .  business-grade firewall D .  Cisco Small Business Pro Service E .  VPN capabilities F .  ProtectLink Gateway

A . architectures that is inflexible and inefficient B . desire to use the same vender for desktop and server deployments C . selecting best-performing vendors for each individual component D . existing equipment has reached and of life E . increasing operational costs of managing data centers F . demand among users for access to information anytime, anywhere

A .  codec B .  link speed C .  Layer 2 encapsulation D .  packet overhead （IP/UDP/RTP） E .  link delay F .  total number of simultaneous calls that are allowed

A . administrators B . system monitoring C . network operator D . power users E . admin F . users’ assistant

A . removes the entire CBAC configuration B . removes all associated static ACLs C . turns off the automatic audit feature in SDM D . denies HTTP and Java applets to the inside interface but permits this traffic to the DMZ E . resets all global timeouts and thresholds to the defaults F . deletes all existing sessio

A . A hub router prevents routes from being advertised to the remote router. B . Only remote routers are configured as stubs. C . Stub routers are not queried for routes. D . Spoke routers connected to hub routers answer the route queries for the stub router. E . A stub router should have only EIGRP hub routers as neighbors. F . EIGRP stub routing should be used on hub routers only.

A . synchronizes FIFO， PQ， CQ， and MDRR， with WFQ， CBWFQ， and LLQ B . enables strict priority queuing for voice traffic， and weighted round robin queuing for data traffic C . enables low latency queuing to ensure that voice traffic receives priority treatment D . enforces a trust boundary on switch access ports and uplinks/downlinks  E . modifies queue sizes as well as queue weights where required  F . adjusts link speeds to adapt to QoS need

A .  low optical powe B .  high optical power C .  few optical channels D .  many optical channels E .  low chromatic dispersion F .  high chromatic dispersion G .  too much power differential in the optical channel

A . IP address B . Interface name C . Port numbers D . L3 protocol type E . mac addre

A . enables efficient customer serviceeffctiveness B . provides anempowered fronline workforce C . createsa more informed management. D . generates customer-specific configurations E . automatically matches customer needs to solutions F . provides an ROI analysis for decision-maker

A . timing B . queuing C . differential D . serialization E . packetization F . propagatio

A . fiber dispersion B . signal attenuation C . transmitter power D . amplifier bandwidth E . receiver dispersion tolerance

A . low optical power B . high optical power C . few optical channels D . many optical channels E . low chromatic dispersion F . high chromatic dispersion G . too much power differential in the optical channel

A . codec B . link speed C . Layer 2 encapsulation D . packet overhead （IP/UDP/RTP） E . link delay F . total number of simultaneous calls that are allowed

A . Resource Reservation Protocol （RSVP） B . IP precedence C . traffic shaping D . trust boundaries E . DSCP F . applicatio

A . demand among users for access to information anytime, anywhere B . desire to use the same vender for desktop and server deployments C . existing equipment has reached and of life D . increasing operational costs of managing data centers E . architectures that is inflexible and inefficient F . selecting best-performing vendors for each individual component

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.

A .  basic security options B .  simple network configuration C .  advanced network configuration D .  integrated solutions E .  advanced security options F .  point product

A . number of product features B . return on investment C . competitiveness D . regulation E . day one costs F . availability of budget

A . Installed Hardware serial numbers B . The status of installed hardware C . Installed hardware D . Unique Device Identifier E . system internal temperature F . main power supply conditio

A .  fiber dispersion B .  signal attenuation C .  transmitter power D .  amplifier bandwidth E .  receiver dispersion tolerance