PTN试题(A)
单位:
姓名:
Part1:产品得分:_______________(单选或多选:每题4分)
1. POD41接口板接入的业务会被如下哪个处理板处理?( D )
A. CD1
B. AD1
C. MQ1
D. EG16
2. 关于PTN单板描述正确的是( AD )
A. CD1 processing board can provide 2 Ch STM-1 interface.
B. L12 interface board can be inserted into slot 7 in OptiX PTN 1900.
C. EFG2 interface board can provide 2 electric GE interface.
D. L12 can provide 16 * 120-ohm E1 interface.
3. 如下那些业务可被MP1处理板处理? ( ABC )
A. CES E1
B. IMA E1
C. ML-PPP
D. Ethernet.
4. 如下那些单板可被OptiX PTN 1900使用? ( CD )
A. EG16
B. MQ1
C. MP1
D. ETFC
E. ASD1
5. 在Optix PTN 3900中,MQ1可放到如下那些槽位? ( AD )
A. Slot1
B. Slot7
C. Slot 12
D. Slot 15
Part2:PWE3技术得分:_______________
(单选或多选:每题4分)
6. PWE3仿真TDM业务时,OptiX PTN支持哪几种仿真方式? ( AB )
A. SAToP
B. CESoPSN
C. N to 1 encapsulation
D. 1 to 1encapsulation
7. PWE3仿真ATM业务时,OptiX PTN支持哪几种封装模式? ( ABCD )
A. N to 1 VCC
B. N to 1 VPC
C. 1 to 1 VCC
D. 1 to 1 VPC
8. PWE3仿真Ethernet业务时,OptiX PTN支持哪几种Ethernet业务类型? ( ACD )
A. E-Line
B. E-Tree
C. E-AGGR
D. E-LAN
9. 在ATM 1 to 1 VCC 的封装方式中,表示一个ATM信元需要多少Bytes? ( D )
A. 53 bytes
B. 52 bytes
C. 51 bytes
D. 49 bytes
10. 如下那些描述是正确的? ( A )
A. SAToP encapsulation type for CES service will take all the 32 time slots of one E1 frame as a whole and transparently transmitted to another side.
B. SAToP supports time slot suppression.
C. OptiX PTN supports encapsulating E1 frames from different connections into one PW.
D. One Ch STM-1 can be divided into 64 VC12 channel.
Part3:控制平面得分:_______________
(单选或多选:每题4分)
11. 在OptiX PTN的控制平面支持如下哪种路由协议? ( B )
A. OSPF
B. ISIS
C. BGP
D. RIP
12. OptiX PTN支持如下那些信令协议? ( ACE )
A. ISIS-TE
B. OSPF-TE
C. RSVP-TE
D. CR-LDP
E. LDP
13. 在OptiX PTN中,MPLS Tunnel 标签是由那个信令协议分配的? ( C )
A. LDP
B. CR-LDP
C. RSVP-TE
D. ISIS-TE
14. 在OptiX PTN中,PW标签是由那个信令协议分配的? ( A )
A. LDP
B. CR-LDP
C. RSVP-TE
D. ISIS-TE
15. 在OptiX PTN中,哪些信息需要被ISIS-TE通告? ( ABCD )
A. Link state information-IGP information
B. TE metric
C. Available bandwidth information
D. Administration group and infinity attributes
Part4:保护技术得分:_______________
(单选或多选:每题4分)
16. 在OptiX PTN中,支持如下那种MPLS FRR保护方式? ( D )
A. One to one backup
B. 1+1 backup
C. 1+N backup
D. Facility backup
17. 在OptiX PTN中,支持哪种MPLS APS 保护? ( ABD )
A. 1+1 single-end
B. 1+1 dual-end
C. 1:1 single-end
D. 1:1 dual-end
18. 在OptiX PTN中, LMSP 可保护哪些接口?(ABC ) .
A. CD1
B. AD1
C. POD41
D.ASD1
19. ML-PPP带来的好处有哪些? ( ABCD )
A.Bandwidth increased
B. Load shared
C. Protect the link failure
D.Delay shortened by fragments
20. 在以太网LAG中, 如下哪种模式需要启用LACP协议? ( A )
A. Static Mode
B. Manual Mode
C. Dynamic Mode
Part4:综述题得分:_______________
(论述:20分)
请您谈谈利用OptiX PTN产品规划各自区域Mobile Backhaul的需要注意的地方及建议。