IP QoS技术包括（）。A、分类和标记技术B、监管和整形技术C、拥塞管理技术D、拥塞避免技术E、链路效率机制
IP QoS技术包括（）。
- A、分类和标记技术
- B、监管和整形技术
- C、拥塞管理技术
- D、拥塞避免技术
- E、链路效率机制
相关考题：
Choose the true statement regarding QoS pre-classify.（）A、QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.B、QoS pre-classify is required when encrypting voice.C、QoS pre-classify is an advantage to Service Providers transporting encrypted packets.D、QoS pre-classify is not designed for IPSec/GRE configurations.
What does qos pre-classify provides inregardto implementing QoS over GRE/IPSec VPN tunnels？（）A、 enables IOS to copy the ToS field from the inner （original） IPheader to theouter tunnel IP headerB、 enables IOS to make a copy of the inner （original） IP header and to run a QoS classification before encryption， based on fields in the inner IP header.C、 enables IOS to classify packets based on the ToS field in the inner （original） IP headerD、 enables IOS to classify packets based on the ToS field in the outer tunnel IP headerE、 enables the IOS classification engine to only see a single encrypted and tunneledflow to reduce classification complexity
Which three characteristics of the traffic flow are taken into consideration when the QoS-for-VPNs feature （QoS pre-classify） provides packet classification and applies appropriate QoS service on tunnel interfaces？（）A、IP precedence bitsB、DSCP bitsC、original port numbersD、DE bitsE、source IP addressF、destination IP address
Which three components are part of the Intelligent Network Services provided by the Cisco AVVID framework? （）A、IP telephonyB、securityC、IP multicastingD、QoS
Which three components are part of the Intelligent Network Services provided by the Cisco AVVIDframework？ （）A、 IP telephonyB、 securityC、 IP multicastingD、 QoS
单选题What does qos pre-classify provides inregardto implementing QoS over GRE/IPSec VPN tunnels？（）A enables IOS to copy the ToS field from the inner （original） IPheader to theouter tunnel IP headerB enables IOS to make a copy of the inner （original） IP header and to run a QoS classification before encryption， based on fields in the inner IP header.C enables IOS to classify packets based on the ToS field in the inner （original） IP headerD enables IOS to classify packets based on the ToS field in the outer tunnel IP headerE enables the IOS classification engine to only see a single encrypted and tunneledflow to reduce classification complexity
多选题Which three characteristics of the traffic flow are taken into consideration when the QoS-for-VPNs feature （QoS pre-classify） provides packet classification and applies appropriate QoS service on tunnel interfaces？（）AIP precedence bitsBDSCP bitsCoriginal port numbersDDE bitsEsource IP addressFdestination IP address
问答题What field in IP packet is used for classification by QOS？