Cisco 350-020 Online Practice Questions and Exam Preparation

Cisco 350-020 Online Questions & Answers

• Question 91:

  What are the four main parts of an EDFA?

  A. Isolator, coupler, splitter, and pump
  B. Isolator, splitter, pump, and filter
  C. Coupler, splitter, pump, and doped fiber
  D. Isolator, coupler, pump, and doped fiber
  E. Coupler, pump, doped fiber, AWG
  D. Isolator, coupler, pump, and doped fiber

• Question 92:

  In Fiber optic communication systems, a pulse is said to be chirped if its carrier frequency changes with:

  A. Distance
  B. Time
  C. Group Delay
  D. Velocity
  E. Wavelength
  B. Time

• Question 93:

  What CiscoWorks 2000 application provides support for optical NEs?

  A. Internet Performance Monitor
  B. Resource Manager Essentials
  C. Service Level Manager
  D. Voice Health Monitor
  B. Resource Manager Essentials

• Question 94:

  In SDH a VC-3 is built to contain the following PDH rates:

  A. 155Mbit/s
  B. l40Mbit/s
  C. 622Mbit/s
  D. 45Mbit/s and 34Mbit/s
  D. 45Mbit/s and 34Mbit/s

• Question 95:

  What wavelength window does a C-Band amplifier use?

  A. 1480-1510nm
  B. 1510-1540nm
  C. 1530-1560nm
  D. 1570-1600nm
  C. 1530-1560nm

• Question 96:

  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.
  B. The receiver should reset the session.

• Question 97:

  Click the Exhibit button to view the topology.

  

  As shown in the diagram, a building in your campus network has two layer 3 switches in the distribution layer and four layer 2 switches in the wiring closets. The layer 3 switches are labeled R1 and R2. The layer 2 switches are labeled A1 A2, A3, and A4. Access switch A1 is configured as the root switch of VLAN 1. Each access switch has a single subnet and the uplinks are configured as access ports, not VLAN trunks. If the uplink labeled X is cut, how long does spanning tree protocol interrupt connectivity before it converges?

  A. About 2 to 3 seconds if UplinkFast is enabled
  B. About 15 seconds
  C. About 30 seconds
  D. About 50 seconds
  E. There should be no loss in connectivity.
  E. There should be no loss in connectivity.

• Question 98:

  Click the Exhibit button.

  

  The exhibit shows OC-12 POS connections across various transport media. Which are correct timing configurations for 7600 interfaces (A) and (B)? (Note: connection between routers B and C is set to internal timing.)

  A. Line
  B. Internal
  C. External
  D. Looped
  E. Internal and external
  A. Line
  B. Internal

• Question 99:

  What feature of the spatial reuse protocol used in DPT allows for bandwidth reuse on the ring?

  A. Fairness algorithm
  B. Token controlled access
  C. Packet destination stripping
  D. Automatic topology discovery
  E. Multicast origination stripping
  C. Packet destination stripping

• Question 100:

  What ISDN timer is started after Q.931 SETUP msg is sent?

  A. T301
  B. T303
  C. T302
  D. T310
  E. T305
  B. T303