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The diffserv approach to providing QoS in networks employs a small, well-defined set of building blocks from which you can build a variety of(). Its aim is to define the differentiated services (DS) byte, the Type of Service (ToS) byte from the Internet Protocol Version 4 ()and the Traffic Class byte from IP Version 6, and mark the standardized DS byte of the packet such that it receives a particular forwarding treatment, or per-hop behavior (PHB), at each network node. The diffserv architecture provides a()within which service providers can offer customers a range of network services, each differentiated based on performance. A customer can choose the ()level needed on a packet-by-packet basis by simply marking the packet&39;s Differentiated Services Code Point (DSCP) field to a specific value.This () specifies the PHB given to the packet within the service provider network.
A.servicesB.UsersC.networksD.structuresA.messageB.PacketC.headerD.packageA.informationB.StructureC.meansD.frameworkA.performanceB.SecureC.privacyD.dataA. packetB.valueC.serviceD.paragraph
更多“The diffserv approach to providing QoS in networks...”相关的问题
第1题
A.A. The Natural Approac
B.B. The Communicative Approac
C.C. The Humanistic Approac
第2题
A.A. Top-down Approac
B.B. Interactive Approac
第3题
A.To review material covered in an earlier lecture.
B.To change students approach to writing.
C.To point out an example of good writing.
D.To give an assignment for the next class.
第4题
Erasmus's work was criticized as heresies because______.
A．he adapted the Bible
B．he approached the scripture in a scholarly fashion
C．he appraised the scripture critically
D．he understood the scripture rationally
第6题
It can be inferred from the text that
A．the behavior. of alcoholics contradicts the approach-avoidance theory.
B．the behavior. of most alcoholics proves the learning theory.
C．punishment may become the stimulus for another time of drinking.
D．frequent excessive drinking makes alcoholics indifferent to punishment.
第7题
The writer suggests that success in America depends upon
A．adopting a more American approach to marketing.
B．persuading the mid-range consumer to pay for quality.
C．copying the strategies of American companies.
D．building a reputation as a supplier of unique goods.
第10题
A.DiffServ最主要的优势是弱化了对信令的依赖
B.DiffServ提供全网端到端的QoS保证
C.DiffServ将QoS的一致性范围缩小到每个区域之中，从而降低了这种模型实现的复杂性
D.DiffServ无需像IntServ在每个路由器上为每个业务流保留"软状态"，避免了大量的资源预留信息的传递，具有更好的可扩展性
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