Cisco 350-020 Online Practice Questions and Exam Preparation

Cisco 350-020 Online Questions & Answers

• Question 1:

  What statement is correct regarding Virtual LANs (VLANs)?

  A. It is permissible to bridge inside a VLAN, but not to route between VLANs.
  B. It is not permissible to bridge inside a VLAN, but it is valid to route between VLANs.
  C. It is permissible to bridge inside a VLAN and to route between VLANs.
  D. It is not permissible to bridge inside or route between VLANs.
  C. It is permissible to bridge inside a VLAN and to route between VLANs.

• Question 2:

  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 3:

  How far apart can optical amplifiers be spaced if they can amplify a signal 25 dB, and the cable looses 0.25 dB every kilometer?

  A. 10 miles
  B. 25 miles
  C. 60 miles
  D. 80 miles
  E. 100 miles
  C. 60 miles

• Question 4:

  The size of the payload part of a STM-N signal is:

  A. N x 252 columns by 9 rows
  B. Nx 261 columns by 9 rows
  C. N x 270 columns by 9 rows
  D. N x 279 columns by 9 rows
  B. Nx 261 columns by 9 rows

• Question 5:

  Of the four types of SONET transmission equipment, what performs the 3R (Refresh/ Re- amplify, Reshape, Retime) function?

  A. Path Terminating Equipment
  B. SONET Terminating Equipment
  C. Regenerator
  D. Add/Drop Multiplexer
  E. Digital Cross-Connect System
  F. Line Multiplexing Equipment
  G. Post/PreAmplifier
  C. Regenerator

• Question 6:

  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 7:

  In Frame Relay, the FECN bit is set by:

  A. The Frame Relay network, to inform the DTE receiving the frame that congestion was experienced in the path from source to destination
  B. The Frame Relay network, in frames traveling in the opposite direction from those frames that encountered congestion
  C. The receiving DTE, to inform the Frame Relay network that it is overloaded and that the switch should throttle back
  D. The sending DTE, to inform the Frame Relay network that it is overloaded and that the switch should throttle back
  E. Any device that uses an extended DLCI address
  A. The Frame Relay network, to inform the DTE receiving the frame that congestion was experienced in the path from source to destination

• Question 8:

  What is the correct relative switching priority in a BLSR ring (higher to lower)?

  A. Protection Lockout, Manual Switch, Forced Switch
  B. Forced Switch, Manual Switch, Signal Degrade
  C. Signal Fail, Signal Degrade, Manual Switch
  D. Protection Lockout, Manual Switch, Path AIS
  E. Signal Degrade, Signal Fail, Manual Switch
  C. Signal Fail, Signal Degrade, Manual Switch

• Question 9:

  What is not one of the five key functional areas for Cisco Transport Manager?

  A. Accounting
  B. Configuration
  C. Fault
  D. Inventory
  E. Performance
  A. Accounting

• Question 10:

  Click the Exhibit button to view the topology.

  

  Assuming default spanning tree configurations are running between two switches with redundant trunks:

  A. Both trunk 1 and trunk 2 will go into blocking mode to avoid loops.
  B. One trunk will go into blocking mode for all VLANs.
  C. Certain VLANs can be blocked on one trunk and other VLANs on the second trunk.
  D. Both trunks can be in a forwarding state for all VLANs.
  C. Certain VLANs can be blocked on one trunk and other VLANs on the second trunk.