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[主观题]

In PTN network design, which of the following is correct?()

A.6100 only supports redundancy at network level. No redundancy is available for major boards, such as main board.

B.6200 only supports redundancy at network level. No redundancy is available for major boards, such as main board.

C.6300 only supports redundancy at network level. No redundancy is available for major boards, such as main board.

D.9000 doesn’t support redundancy at network level but only supports redundancy for major boards, such as main board.

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更多“In PTN network design, which o…”相关的问题

第1题

In PTN network, ring network protection includes wrapping and steering. In wrapping r

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第2题

In PTN network planning principles, MCC monitoring vlan range is 3001-4093. （)

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第3题

EMS for PTN network connects with NE through DCN (Data Communication Network) to monit

EMS for PTN network connects with NE through DCN （Data Communication Network) to monit

or and maintain NEs. DCN works in()monitoring mode and()monitoring mode.

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第4题

PTN network that is based on T-MPLS static label distribution monitors EMS data flow a

nd service data flow by configuring()VLAN and()VLAN.

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第5题

During network congestion, PTN devices provide QoS bandwidth for high advanced servic

e type by different queue scheduling policies. Currently, PTN devices adopt two scheduling modes simultaneously, which are()and().

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第6题

If all PTN equipments in the networking adopt OSPF monitoring, which of the following

configuration rules are correct？()

A. All NNI ports for use in the networking need to be configured with management VLAN, and each management VLAN must be configured with logic IP address.

B.All PTN equipments are enabled with OSPF protocol, and VLAN IDs of adjacent link segments must be different while VLAN IDs of nonadjacent link segments may be the same.

C.Logic IP addresses belonging to one management VLAN must locate in one network segment.

D.Logic IP addresses belonging to different management VLANs may be from one network segment

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第7题

bout encapsulation vlan and IP on ZTE's PTN devices, which of the following is cor

rect？()

A.A MCC monitoring vlan and IP on all devices throughout the network can be exported to a file for backup.

B.A PTN device on which mcc vlan and ip have problems can use service encapsulation ip to log into another PTN device remotely in the network.

C.Service encapsulation vlan and ip will not be added into packet header when service packets are being forwarded in PTN network.

D.T31 system does not support creation of vlan with 3001 or above.

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第8题

About transport of monitoring packets in the network, which of the following is wrong？

()

A.PTN62006300 can implement exchange of monitoring packets through gateway board and MSTP device.

B.Monitoring packets of PTN network are forwarded through layer 3 routes, without tunnel/PW encapsulation and decapsulation.

C.PTN devices, defined by distinct protocol standards G.8114 and Y.1731, cannot exchange monitoring packets with each other.

D.A PTN6100 can learn 150 mac addresses per second.

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第9题

About PTN service encapsulation VLAN and IP planning principles, which of the followi

ng are correct？()

A. Two adjacent ports of a link on 10GE ring belong to one VLAN domain and one IP network section.

B.All PTN devices should be enabled with service loopback address as NE ID in service forwarding plane. This loopback must be unique globally.

C.Service encapsulation VLAN ID is in range of 17～3000 and it is suggested to start from 101

D.VLAN IDs of nonadjacent link segments can be the same

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第10题

Which of the following clock functions are supported by our PTN devices? ()

A. provide BITS external clock input/output interface functio

B.support GPS interface function; provide 1PPS+TOD signal

C.support sync Ethernet interface function; support sync Ethernet clock source

D.support network clock sync via E1 interface; provide clock signal as required by ITU-T G.813

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第11题

Differences between PW dual-homing protection and tunnel linear protection of PTN dev

ice lie in that ()

A.PW dual-homing protection is usually used for protection between networks; tunnel protection is usually used to protect the inside of PTN network;

B.Neither PW dual-homing nor tunnel 1:1 switching needs APS negotiation.

C.PW dual-homing switching has one more trigger condition -- CSF than tunnel protection switching.

D.PW dual-homing has less OAM detection points than tunnel protection, which saves device resources.

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