Huawei SU0-121
Huawei Cert Datacom Pro-Building Carrier Access Network
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Question: 1. Elected the following statement about GVRP protocol error option? A. GVRP GARP working mechanism, maintaining the switch dynamic VLAN registration information B. GVRP Generic Virtual Router Protocol acronym C. GVRP VLAN registration information dissemination including local manually configured static registration and dynamic registration information from other switches
Answer: B Question: 2. VLAN tag contains () bit is used to identify the data VLAN the frame belongs A. 4 B. 32 C. 12 D. 8
Answer: C Question: 3. GVRP protocol is running, in the same group in the timer switch configuration will cause unstable learning problems. A. TruE. B. False
Answer: B Question: 4.
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Isolate-user-vlan vlan Secondary 和 的 映射 关系 建立 后, 可以 直接 执行 删除 的 操作 Secondary vlan. T. True. F. false
Answer: F Question: 5. Switch Trunk ports send data frame, does not check the data frame carries VLAN ID, data frame directly pass-through. TRUE. False
Answer: F Question: 6. Networking and configuration as shown LS1, LS2, LS3 interconnect port 1,4,5,6 configured as Trunk port and allow all VLAN through, and start the GVRP protocol. Port GVRP registration type configured for Fixed, port 4,5,6 GVRP registration type configuration to Normal. Configuration on the LS1 with VLAN 5, VLANs 6 in LS3 with VLAN 6, VLANs. Assume that all are normal configuration, use the display interface command to view the port 1,4,5,6 information about each port, the following description is correct?
A. Port 1：vlan passing 5-7
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B. Port 4：vlan passing 5-6 C. Port 5：vlan passing 5-7 D. Port 6：vlan passing 6-7
Answer: B Question: 7. Broadcast storm is generated? A. produce a large number of ARP packets The B. case there is a loop, if the port receives a broadcast message, the broadcast message will be copied to produce a broadcast storm C. site too much, produce too many broadcast packets D. switch is broken, all packets are broadcast
Answer: B Question: 8. Following link failures saying about the Spanning Tree Protocol wrong? A. link lost connectivity to the user is unable to communicate properly, Spanning Tree Protocol, its primary purpose is to prevent the link from losing connectivity. Ie temporary loop can make it happen, but we can not link lose connectivity. B. due to link failures in the network transmission delay, so in order to prevent the generation of the temporary loop, the spanning tree protocol introduced an intermediate state that Learning state. C. in order to prevent the generation of the temporary circuit, Spanning Tree Protocol, requires a certain amount of time delay in the port from the blocking state to the forwarding state. D. Spanning Tree Protocol can not avoid link will temporarily lose connectivity.
Answer: A
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Question: 9. RSTP network environment, Huawei switch by default, if one has been configured as edge port receives a switch port issued a BPDU, the port will re-becomes a non-edge port. TruE. False
Answer: T Question: 10. RSTP calculation process, when the port receives an RST BPDU, first this RST BPDU generate a message priority vector (Message Priority Vector), and then use the message priority vector (Message Priority Vector) and port priority vector (Port PriorityVector)
comparison. TruE. False
Answer: T Question: 11. RSTP中，交换机初始化时，根优先级向量（Root Priority Vector）和交换机优先级向量（Bridge Priority Vector）相同。 TruE. False
Answer: T
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Question: 12. Multiple Spanning Tree Protocol (MSTP), the correct description of the Master port? A. Master port must also be the root port on the CIST B. If the CST root port by the VLAN, the MST Instance belonging to a non-zero VLAN, the port for the Master port C. Master port must CIST Regional Root on D. Master port must be located CIST root port CIST Regional Root
Answer: A,B,C,D Question: 13. MSTP, the non-zero MST Instance root switch the RSTP root switch is the root of the entire switched network switches. TruE. False
Answer: F Question: 14. The PPP which stage send some configuration message to configure the data link configuration parameters do not include the parameters required by the network layer protocol. When the completion of the exchange of data packets, it will continue to the next phase of transition. A. link is unavailable stage B. link establishment phase C. validation phase D. network layer protocol phase
Answer: B Question: 15.
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Which of the following features LCP protocol in the PPP A. Maintain link B. IP address protocol C. IPX address protocol D. establish, maintain and interrupt point-to-point connection
Answer: B Question: 16. As shown two routers connected through the serial port, and PAP authentication, which of the following commands in the authentication square configuration? A. local-user huawei password simple hello B. ppp authentication-mode chap C. local-user huawei service-type ppp D. ppp chap user huawei E. ppp chap password cipher hello
Answer: A, C Question: 17. Will through which packets the server receives a the PADR packet sent by the client after response and uniquely identifies this connection A. PADO B. PADR C. PADS D. PADT
Answer: C Question: 18. Radius protocol uses port number of common
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A. 1646 B. 1645 C. 1812 D. 1813
Answer: A, B, C, D Question: 19. MA5200G user identity switch from a lower level to a higher level, use the su command to switch, but you want to enter the password. TruE. False
Answer: T Question: 20. The MA5200G Which of the following business need to configure and reference virtual template (Virtual-template)? A. PPPOE B. PPPOA C. IPOEOA D. PPPOEOA
Answer: A, B, D Question: 21. Following About the MA5200G ATM interface and SDH transmission docking when what parameter configuration error may cause the link is not up? A. Link scrambler The B. C2/J0/J1 field C. link package format D. MTU size
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Answer: A, B, C Question: 22. The S8508E the exchange capacity is A. 300G B. 720G C. 960G D. 1. 44T
Answer: C Question: 23. User port directly through the backplane is connected to the main control board chip, commonly referred to as "light board. Single board all business must be done by the main control board. TruE. False
Answer: T Question: 24. S6506R switch configuration two Salience III engine, to achieve load sharing and exchange capacity can be achieved A. 384G B. 768G C. 48G D. 96G
Answer: A Question: 25.
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Following description LPU board on the S8500 series switches wrong A. S8500 interface board can be divided into the C board and B board, the main difference is that C veneer support MPLS services B. C class veneer and CA class veneer main difference is that the CA classes veneer support more routing table entries, and other specifications The C. D class Veneer New veneer, hardware support IPv6 D. The S8500 has launched 10G and 2. 5G the two POS interface board, but not yet 622M and 155M POS interface board
Answer: D Question: 26. Ethernet, twisted pair () to connect with other devices A. BNC 接口 B. AUI 接口 C. RJ-45 接口 D. RJ-11 接口
Answer: C Question: 27. By default, the Huawei S3526 Ethernet interface state A. Half-duplex B. Full-duplex C. auto-negotiation
Answer: C
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Huawei SU0-121
Huawei Cert Datacom Pro-Building Carrier Access Network
http://www.examkill.com/SU0-121.html
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