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）
MPLS中，可能执行SWAP操作的节点有（）
- A、Ingress
- B、Transit
- C、Penultimate
- D、Egress
参考答案
更多 “MPLS中，可能执行SWAP操作的节点有（）A、IngressB、TransitC、PenultimateD、Egress” 相关考题
考题
What is the term "ordered control" mean regarding how MPLS LSPs are established?()
A. establish starting at the egress router going back to the ingress routerB. establish starting at the ingress router going downstream to the egress routerC. establish when a router learns of a new prefixD. establish when the path correctly matches the reverse path forwarding check
考题
A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?()
A. It performs a label pop operation and an IP lookup.B. It performs a label swap operation and an IP lookup.C. It sends an error message toward the egress router.D. It sends an error message toward the ingress router.
考题
With MPLS Fast Reroute, what is the "point of local repair"?()
A. egress routerB. ingress routerC. start of the bypass tunnelD. all routers in the bypass tunnel
考题
IP数据包在MPLS网络内经过的路径称为标签交换路径LSP,它包括Ingress、transit、Egress三种节点,其中Ingress节点所完成的工作是( )?
A.解析进入MPLS域的IP数据包的报头，划分FECB.查找标签转发信息表，通过标签交换完成MPLS报文的转发C.将下游分配好的标签压入相对应的FEC，封装成MPLS报文D.弹出标签，恢复成原来的报文进行转发
考题
如下描述中,QOS对于MPLS标签中EXP字段的处理的原则正确的是()
A.给IP报文封装MPLS标签时，直接将IP报文的TOS字段转换成MPLS标签的EXP字段B.标签交换（swap）操作时，EXP字段保持不变C.标签压栈（push）操作时，新压入的外层标签EXP字段继承内层标签的EXP字段D.标签弹栈（pop）操作时，如果弹栈之后是MPLS报文，不会将弹出标签的EXP字段复制到内层标签上；如果弹栈之后为IP报文，不会将EXP字段复制到IP报文的TOS字段
考题
如下描述中，QOS对于MPLS标签中EXP字段的处理的原则正确的是（）A、给IP报文封装MPLS标签时，直接将IP报文的TOS字段转换成MPLS标签的EXP字段B、标签交换（swap）操作时，EXP字段保持不变C、标签压栈（push）操作时，新压入的外层标签EXP字段继承内层标签的EXP字段D、标签弹栈（pop）操作时，如果弹栈之后是MPLS报文，不会将弹出标签的EXP字段复制到内层标签上；如果弹栈之后为IP报文，不会将EXP字段复制到IP报文的TOS字段
考题
以下对于MPLS描述正确的是（）A、MPLS：Multi-protocol Label Switching多协议标签交换，一种非标准化的路由与交换技术平台B、P/PE://P（Provider）为MPLS网络内部节点，PE（Provider Edge）为MPLS网络边缘C、PE-P的操作为Egress，为客户端信号加上MPLS标签D、P-P的操作为Ingress，对MPLS标签进行交换
考题
With MPLS Fast Reroute, what is the "point of local repair"?（）A、egress routerB、ingress routerC、start of the bypass tunnelD、all routers in the bypass tunnel
考题
PTN网络中，关于MPLSTunnel的说法正确的是（）A、MPLS Tunnel入节点称为Egress节点B、MPLS Tunnel 独立于业务，为业务相关层的PW提供承载的通道C、MPLS Tunnel中间节点称为Transit节点D、MPLSTunnel 能够承载多种类型的业务，包括IP报文、VLAN报文、ATM报文等
考题
A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）A、It performs a label pop operation and an IP lookup.B、It performs a label swap operation and an IP lookup.C、It sends an error message toward the egress router.D、It sends an error message toward the ingress router.
考题
MPLS网络中，关于LER描述正确的是（）。A、Ingress LER压入标签B、Ingress LER弹出标签C、Egress LER压入标签D、VRP在缺省情况下，Egress LER弹出标签
考题
What is the term "ordered control" mean regarding how MPLS LSPs are established?（）A、establish starting at the egress router going back to the ingress routerB、establish starting at the ingress router going downstream to the egress routerC、establish when a router learns of a new prefixD、establish when the path correctly matches the reverse path forwarding check
考题
单选题A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）A
It performs a label pop operation and an IP lookup.B
It performs a label swap operation and an IP lookup.C
It sends an error message toward the egress router.D
It sends an error message toward the ingress router.
考题
填空题MPLS中，对标签执行的操作有（）、（）、（）。
热门标签
最新试卷
