网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
多选题
以下关于DSCP和IP Precedence的比较的说法正确的是（）。
A
DSCP可以兼容IP Precedence
B
因为DSCP扩展了用于流分类的比特位，所以不能简单的映射到IP Precedence里面去
C
DSCP包括6比特而IP Precedence包括3比特
D
因为仅仅可以使用RFC定义的DSCP，DSCP在使用上比IP Precedence更受限制
参考答案
参考解析
解析：
暂无解析
更多 “多选题以下关于DSCP和IP Precedence的比较的说法正确的是（）。ADSCP可以兼容IP PrecedenceB因为DSCP扩展了用于流分类的比特位，所以不能简单的映射到IP Precedence里面去CDSCP包括6比特而IP Precedence包括3比特D因为仅仅可以使用RFC定义的DSCP，DSCP在使用上比IP Precedence更受限制” 相关考题
考题
以下对于DSCP描述正确的是()。
A.在网络入口处对分组进行分类，流量控制，设置DSCP值。B.在网络中根据DSCP值，进行队列调度，分组丢弃。C.IP报文TOS字节的前6个bit定义为DSCP值。D.DSCP的定义也向前兼容IP Precedence。
考题
LTE业务到PTN的QoS映射分为两步,分别是()
A.PTN根据基站上报的DSCP进行速率QoS映射B.PTN设备根据IP报文的IP DSCP和VLAN PRI映射到MPLS TCC.基站根据QCI映射到IP报文的IP DSCP和VLAN PRID.基站根据UE发起的期望速率上报DSCP
考题
下面对“报文标记”描述不正确的是()
A.可以对报文的QoS信息字段尽心标记B.可以对IP报文的DSCP.IP precedence信息进行标记C.可以对vlan报文的802.1P信息进行标记D.可以对报文的MAC进行标记
考题
在部署Qos的时候,可以使用PBR来进行流量分类和标记,可以依据ACL定义的规则(源ip地址.目的IP地址.协议类型.端口号等)和数据包的长度范围进行分类,然后修改数据包的DSCP或IP Precedence字段进行标记。
A．错误B．正确
考题
可以对报文的哪些信息对报文进行标记或重标记()
A.ip DSCP.ip precedencE.802.1p.EXP信息B.ip Source.Destination Address.EXP信息C.MAC Address信息D.报文中的任何信息
考题
Which two QoS classification and marking statements are true？ （）A、 In a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.B、 In an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field.C、 In an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.D、 The differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.E、 The 802.1Q standard uses a three bit field referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.
考题
Which configuration would make an IP SLA probe use a precedence value of 5？（）A、ip sla 1 icmp-echo 1.1.1.1 tos 160B、ip sla 1 icmp-echo 1.1.1.1 tos 20C、ip sla 1 icmp-echo 1.1.1.1 precedence 5D、ip sla 1 icmp-echo 1.1.1.1 dscp 20
考题
DSCP value "101110" looks like which IP Precedence value to non-DiffServ compliant devices？（）A、IP Precedence 2B、IP Precedence 3C、IP Precedence 4D、IP Precedence 5E、IP Precedence 6F、IP Precedence 7
考题
Which two QoS classification and marking statements are true？（）A、 In a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.B、 In an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP fieldC、 In an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.D、 The differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.E、 The 802.10 standard uses a three bitfield referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.
考题
Which of the characteristics below is associated with the （QoS） Integrated Services Model？ （）A、 QoS classified at layer 3 using IP precedence or DSCP.B、 Guaranteed rate service.C、 Implemented using FIFO queues.D、 All traffic has an equal chance of being dropped.
考题
Which four of these statements are restrictions for Frame Relay PVC bundles with QoS support for IP and MPLS？ （）A、A PVC bundle will not come up unless all the precedence， DSCP， and EXP levels are configured in thebundle.B、A PVC bundle can perform precedence and DSCP matching at the same timeC、A PVC bundle may contain no more than sixteen PVCsD、A PVC can be in only one PVC bundleE、A PVC bundle cannot perform precedence and DSCP matching at the same time.F、A PVC bundle may contain no more than eight PVCs.
考题
Which configuration would make an IP SLA probe use a precedence value of 3？（）A、ip sla 1icmp-echo 1.1.1.1 tos 12B、ip sla 1icmp-echo 1.1.1.1 tos 96C、ip sla 1icmp-echo 1.1.1.1 precedence 3D、ip sla 1icmp-echo 1.1.1.1 dscp 12
考题
Which traffic descriptor s can be recognized and categorized by cisco quality of service（qos）features？（）A、 incoming interface.outgoing interface.ip precedence.and differentiated services code P.oint（DSCP）.B、 Incoming interace.ip precedence.differentiated services code point（DSCP），and source or d.estination address.C、 Outgoing interface.ip precedence.differentiated services code point（DSCP）.and source or d.estination address.D、 Incoming interface .outgoing interface.ip precedence and differentiated code point s.ervices（DCPS）E、 Incoming interface .ip precedence .and source or destination address. F、 Outgoing interface.ip precedence .and source or destination address.
考题
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？（）A、IP precedence bitsB、DSCP bitsC、original port numbersD、DE bitsE、source IP addressF、destination IP address
考题
以下关于DSCP和IP Precedence的比较的说法正确的是（）。A、DSCP可以兼容IP PrecedenceB、因为DSCP扩展了用于流分类的比特位，所以不能简单的映射到IP Precedence里面去C、DSCP包括6比特而IP Precedence包括3比特D、因为仅仅可以使用RFC定义的DSCP，DSCP在使用上比IP Precedence更受限制
考题
单选题Which configuration would make an IP SLA probe use a precedence value of 3？（）A
ip sla 1icmp-echo 1.1.1.1 tos 12B
ip sla 1icmp-echo 1.1.1.1 tos 96C
ip sla 1icmp-echo 1.1.1.1 precedence 3D
ip sla 1icmp-echo 1.1.1.1 dscp 12
考题
多选题LTE业务到PTN的QoS映射分为两步，分别是（）APTN根据基站上报的DSCP进行速率QoS映射BPTN设备根据IP报文的IP DSCP和VLAN PRI映射到MPLS TCC基站根据QCI映射到IP报文的IP DSCP和VLAN PRID基站根据UE发起的期望速率上报DSCP
考题
多选题Which four of these statements are restrictions for Frame Relay PVC bundles with QoS support for IP and MPLS？ （）AA PVC bundle will not come up unless all the precedence， DSCP， and EXP levels are configured in thebundle.BA PVC bundle can perform precedence and DSCP matching at the same timeCA PVC bundle may contain no more than sixteen PVCsDA PVC can be in only one PVC bundleEA PVC bundle cannot perform precedence and DSCP matching at the same time.FA PVC bundle may contain no more than eight PVCs.
考题
单选题下面对“报文标记”的描述，不正确的是（）A
可以对报文的QoS信息字段进行标记B
可以对IP报文的DSCP、IP Precedence信息进行标记C
可以对Vian报文的802.lP信息进行标记D
可以对报文的MAC进行标记
考题
多选题Which two QoS classification and marking statements are true？ （）AIn a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.BIn an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field.CIn an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.DThe differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.EThe 802.1Q standard uses a three bit field referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.
考题
多选题Which two QoS classification and marking statements are true？（）AIn a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.BIn an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP fieldCIn an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.DThe differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.EThe 802.10 standard uses a three bitfield referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.
考题
判断题在部署Qos的时候，可以使用PBR来进行流量分类和标记，可以依据ACL定义的规则（源ip地址.目的IP地址.协议类型.端口号等）和数据包的长度范围进行分类，然后修改数据包的DSCP或IP Precedence字段进行标记。A
对B
错
考题
单选题可以对报文的哪些信息对报文进行标记或重标记（）A
ip DSCP.ip precedencE.802.1p.EXP信息B
ip Source.Destination Address.EXP信息C
MAC Address信息D
报文中的任何信息
考题
单选题DSCP value "101110" looks like which IP Precedence value to non-DiffServ compliant devices？（）A
IP Precedence 2B
IP Precedence 3C
IP Precedence 4D
IP Precedence 5E
IP Precedence 6F
IP Precedence 7
热门标签
最新试卷
