首页 > 继续教育
题目内容 (请给出正确答案)
[单选题]

PTN (Packet Transport Network)是一种以分组作为传送单位,承载电信级以太网业务为主,兼容TDM、()等业务的综合传送技术。

A.PON

B.OAM

C.DNN

D.ATM

查看答案
答案
收藏
如果结果不匹配,请 联系老师 获取答案
您可能会需要:
您的账号:,可能还需要:
您的账号:
发送账号密码至手机
发送
安装优题宝APP,拍照搜题省时又省心!
更多“PTN (Packet Transport Network)…”相关的问题
第1题
About usage of OAM in PTN device, which of the following is wrong?()
A. When AIS function is enabled and this site detects connection failure, it will insert FDI packet into customer layer in reverse direction of peer MEP site. Forwarding priority of FDI packets can be configured.

B.To test SSF alarm function, AIS function needs to be enabled.

C.When on-demand LM function is enabled, you can set local LM or peer LM function and parameters like packet forwarding priority, sending interval, report interval and test time.

D.Forwarding priority of CV packet can be set randomly.

点击查看答案
第2题
When ZTE's PTN devices interconnect with NNI side ports of F7-PTN devices to excha
nge 2M/STM-1 CES service, which of the following precautions is wrong?()

A.Two sides should in advance negotiate service VLAN on NNI interconnection ports, bind interface IP address of this VLAN, and notify each other of service loopback address (corresponding to LSR ID of Huawei's PTN devices)

B.Tunnel labels of the two sides must be the same.

C.PW labels of the two sides may be different.

D.Packet delay (corresponding to packet load delay of Huawei) at two sides must have the same configuration. It is suggested both sides use 500us.

点击查看答案
第3题
Among TMPLS OAM packet types, cv type packet serves to verify connectivity,and EMS def
ault interval of sending fast packet is().

点击查看答案
第4题
以下哪些Qos属性属于5QI中定义的?()

A.Priority Level

B.Resource Type

C.Packet Delay Budget

D.Packet Error Rate

点击查看答案
第5题
基于TCP/IP的数据流解封装过程为()。

A.bits → frame. → segment → packet → data

B.bits → frame. → packet → segment → data

C.bits → packet → segment → frame. → data

D.bits → segment → frame. → packet → data

点击查看答案
第6题
数据链路层的单位称为packet()
点击查看答案
第7题
DPI全称是(Deep正Packet正Inspection)深度包检测技术。()
点击查看答案
第8题
当数据在网络层时,称之为 ()。

A.Segment

B.Packet

C.Bit

D.Frame

点击查看答案
第9题
According to Y.1731 standard, how to identify a packet as OAM packet in TMP tunnel la

A.label of tunnel layer is 13

B.inner label of tunnel layer is 13

C.outer label of tunnel layer is 20

D.label of tunnel layer is 20

点击查看答案
第10题
防火墙(FIREWALL)的主要类型包括A. 包过滤型防火墙(PACKET FILTER)B. 代理服务型防火墙(PROXY

A. 包过滤型防火墙(PACKET FILTER)

B. 代理服务型防火墙(PROXY SERVICE)

C. 双宿主主机防火墙

D. 屏蔽主机防火墙

点击查看答案
第11题
OSI七层模型在数据封装时正确的协议数据单元排序是: ()

A、packet、frame、bit、segment

B、frame、bit、segment、packet

C、segment、packet、frame、bit

D、bit、frame、packet、segment

点击查看答案
退出 登录/注册
发送账号至手机
密码将被重置
获取验证码
发送
温馨提示
该问题答案仅针对搜题卡用户开放,请点击购买搜题卡。
马上购买搜题卡
我已购买搜题卡, 登录账号 继续查看答案
重置密码
确认修改