Cisco 350-020 Online Practice Questions and Exam Preparation

Cisco 350-020 Online Questions & Answers

• Question 21:

  Which bytes in the Section Overhead identify the beginning of the STS-1 frame?

  A. A1, A2
  B. B1, B2
  C. H1, H2
  D. K1,K2
  E. J0, J1
  A. A1, A2

• Question 22:

  What is the effective bandwidth of a 6 node, four-fiber OC-48 BLSR ring if all the traffic on the ring is homed back to one node (hub-and-spoke) without Protection Channel Access (PCA)?

  A. STS-24
  B. STS-48
  C. STS-96
  D. STS-192
  C. STS-96

• Question 23:

  In Frame Relay, the BECN 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
  B. The Frame Relay network, in frames traveling in the opposite direction from those frames that encountered congestion

• Question 24:

  How much Transport Overhead is contained in a SONET STS-1 frame (excluding VT overhead)?

  A. 1.728 Mb/s
  B. 51.84 Mb/s
  C. 8.0 Mb/s
  D. 50.112 Mb/s
  A. 1.728 Mb/s

• Question 25:

  You have an E-series shared packet ring of size STS-3c consisting of ONS 15454 nodes. What is the maximum size point-to-point circuit that can be configured with the remaining bandwidth to the multi-card Ethernet group on the E-series cards?

  A. STS-1
  B. STS-3C
  C. STS-6C
  D. STS-12C
  E. STS-24C
  B. STS-3C

• Question 26:

  The DCC used to connect Cisco Optical Platforms 15454 and 15327:

  A. 192Kb/s unframed in the LOH
  B. Are carried on D1-D3 and are TCP/IP Stack Based
  C. 768Kb/s Ethernet Framed in the SOH
  D. Are carried on the D1-D3 bytes of the POH
  B. Are carried on D1-D3 and are TCP/IP Stack Based

• Question 27:

  The ML-series Ethernet card provides up to how many active 802.1 Q in Q instances per card?

  A. 512
  B. 4095
  C. 255
  D. 1024
  C. 255

• Question 28:

  Click the Exhibit button to view the graph.

  

  The graph represents optical signal power versus wavelength measurement from 1550nm to 1560nm. What is the worst case optical signal-to-noise ratio (OSNR) of Channel 1 at 0.5nm away from the peak?

  A. 21dB
  B. 24dB
  C. 27dB
  D. 30dB
  E. 33dB
  D. 30dB

• Question 29:

  ML-series QoS handling of multicast and broadcast traffic involves:

  A. Putting all multicast and broadcast traffic in its own queue and giving it priority over other traffic.
  B. Putting multicast and broadcast traffic in its own queue and allocating a 10% port bandwidth guarantee.
  C. Configuration using the "bandwidth" command allowing QoS guarantees for multicast and broadcast traffic.
  D. All multicast and broadcast being treated as best effort (BE) traffic.
  B. Putting multicast and broadcast traffic in its own queue and allocating a 10% port bandwidth guarantee.

• Question 30:

  Telcordia has defined national ISDN, which is basically within the construct of Q.931 protocol with some modifications. If National ISDN requires a new information element (IE), how will this need be handled?

  A. No new IE can be defined by standard bodies other than ITU-T; therefore, Telcordia must pass the information in open fields of existing IE.
  B. Telcorida has to define a new codeset (CS) 0 IE.
  C. Telcordia should define a newCS7 IE
  D. Telcordia should define a new CS5 IE
  E. UseCS8IE
  D. Telcordia should define a new CS5 IE