首页 > 知识竞赛> 青少年健康知识

题目内容（请给出正确答案）

[主观题]

Packets on PTN devices are classified based on ().

A. Standard ACL, only matching source IP address

B.Extended ACL, matching source IP address, IP protocol type, TCP source port No., TCP destination port No., UDP source port No., UDP destination port No., ICMP type, ICMP Code, DSCP (DiffServ Code Point), ToS and Precedence.

C.L2 ACL, matching source MAC address, destination MAC address, source VLAN ID, L2 Ethernet protocol type, and 802.1p preference value.

D.Mixed ACL, matching source MAC address, destination MAC address, source VLAN ID, source IP address, destination IP address, TCP source port No., TCP destination port No., UDP source port No., and UDP destination port No.

查看答案

如果结果不匹配，请联系老师获取答案

您可能会需要：

重置密码查看订单联系客服

更多“Packets on PTN devices are cla…”相关的问题

第1题

Two PTN equipments have been enabled with time synchronization, with BMC algorithm; an

A.1588 synchronization packets form. a loop

B.frequency between equipments fails to synchronize

C.BMC notification packets between NEs form. a loop

D.Equipment 1588 module is damaged

点击查看答案

第2题

PW types of ZXCTN6200 device include()and().Of which,()type is the Raw mode: If packet

PW types of ZXCTN6200 device include（)and（).Of which,（)type is the Raw mode: If packet

s from CE are attached with P-TAG, then remove tags from them before forwarding;()type is the Tagged mode: If packets from CE are not attached with P-TAG, then attach tags to them before forwarding.

点击查看答案

第3题

Generally we use ACL to filter data packets, control the policy route and special traf

A.ZXCTN provides L2 ACL, the match objects include().

B.source MAC address

C.destination MAC address

D.type

E. source VLAN ID

点击查看答案

第4题

关于PTN承载业务IP化的主要驱动力有（)

A.PTN可以统一网络协议，简化网络层次

B.PTN中传送以太网业务比SDH实时性能更好

C.PTN中传送以太网业务比SDH同步性能更好

D.PTN便于提供各种类型的新业务，实现综合业务运营

点击查看答案

第5题

PTN OAM分层包括（)

A.TMC

B.TMP

C.TMS

点击查看答案

第6题

In the PTN protection, the length of the APS byte is （).

A.2

B.4

C.6

D.8

点击查看答案

第7题

PTN的静态伪线配置需要启动LDP功能。（)

点击查看答案

第8题

（)是光网络层的核心网元。

A.PTN

B.SDH

C.WDM

D.OXC

点击查看答案

第9题

On ZTE's PTN products, command()is used to check whether boot version supports on

On ZTE's PTN products, command（)is used to check whether boot version supports on

line upgrade or not.

点击查看答案

第10题

PTN产品推荐的频率同步方式（)

A.1588V2

B.TOP

C.同步以太

D.ACR

点击查看答案

长沙正则教育科技有限公司版权所有 ©2001-2024

湘ICP备20014704号-2 湘公安备案43019002000675号营业执照

违法和不良信息举报电话：400-118-7898

举报/反馈/投诉邮箱：deng＃ujigu.com（请将＃替换成@）