350-020 Exam

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350-020 考试是 Cisco 公司的 CCIE SP Optical Qualification Exam 认证考试官方代号，TestInside 350-020 权威考试题库软件是 Cisco 认证厂商的授权产品，TestInside 绝对保证第一次参加 350-020 考试的考生即可顺利通过，否则承诺全额退款！

CCIE SP Optical Qualification Exam 认证作为全球IT领域专家 Cisco 热门认证之一，是许多大中IT企业选择人才标准的必备条件。 如果你正在准备 350-020 考试，为 Cisco CCIE SP Optical Qualification Exam认证做最后冲刺，又苦于没有绝对权威的考试真题模拟， TestInside 希望能助你成

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Exam : Cisco 350-020
Title : CCIE SP Optical Qualification Exam


1. BGP can implement a policy of 'Route Dampening' to control route instability. What statement about route dampening is NOT correct?
A. A numeric penalty is applied to a route each time it flaps.
B. The penalty is exponentially decayed according to parameters, such as half-life-time.
C. The history of unstable routes is forwarded back to the sender to control future updates.
D. The route is eventually suppressed based on a configurable 'suppress limit'.
Answer: C

2. The purpose of Administrative Distance, as used by Cisco routers, is:
A. To choose between routes from different routing protocols when receiving updates for the same network
B. To identify which routing protocol forwarded the update
C. To define the distance to the destination used in deciding the best path
D. To be used only for administrative purposes
Answer: A

3. What IE is not mandatory in a Q.931 Service msg?
A. Bearer capability
B. Channel ID
C. Message Type
D. Change Status
E. Call Reference
Answer: A

4. Click the Exhibit to view the topology.
Router A has a 512K-access port into the frame relay cloud. Router B has 128K-access port into the frame relay cloud. The two routers are connected with symmetrical PVCs that are configured for 64K committed information rate (CIR). What Frame Relay Traffic Shaping map-class sub-command should be entered on Router A to prevent workstation A from overrunning the access port on Router B?
A. frame-relay traffic-rate 128000 512000
B. frame-relay traffic-rate 64000 512000
C. frame-relay traffic-rate 512000 64000
D. frame-relay traffic-rate 128000 64000
E. frame-relay traffic-rate 64000 128000
Answer: E

5. If a host sends a TCP segment with the RST flag set, it means:
A. The receiver should send all data in the reassembly buffer to the application receiving it immediately.
B. The receiver should reset the session.
C. Any routers between the source and destination hosts should reset the state of the connection in their buffers.
D. The receiver should make certain its send buffer is pushed onto the wire.
Answer: B

6. What is the equivalent of 50 GHz spacing in DWDM in terms of nm?
A. 1.6 nm
B. 0.8 nm
C. 0.4 nm
D. 0.2 nm
Answer: C

7. How many E1 channels can STM-1 frame transport?
A. 7
B. 21
C. 63
D. 84
Answer: C

8. What is the maximum PMD value of a 100km fiber segment if the cable is specified with 0.5ps/km ? (worst case)?
A. 0.005ps
B. .05ps
C. 5ps
D. 50ps
E. 500ps
Answer: C

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