Cisco 350-020 Online Practice Questions and Exam Preparation

Cisco 350-020 Online Questions & Answers

• Question 231:

  Which three are examples of a non-linear effect? (Choose Three)

  A. SelF. phase modulation
  B. Four-wave mixing
  C. Chromatic dispersion
  D. stimulated Brillioun Scattering
  E. Attenuation
  A. SelF. phase modulation
  B. Four-wave mixing
  D. stimulated Brillioun Scattering

• Question 232:

  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 233:

  What type of effect on optical signals occurs when temperature fluctuations and bending stresses on fiber?

  A. Polarization-mode dispersion
  B. SelF. phase modulation
  C. Cross-phase modulation
  D. Four-wave mixing
  A. Polarization-mode dispersion

• Question 234:

  In SDH the origin of a signal is an important factor in isolating trouble spots. Which byte is tagged on the STM-1 signal to carry out this function?

  A. H1 byte
  B. J1 byte
  C. D1 byte
  D. K1 byte
  B. J1 byte

• Question 235:

  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 236:

  Click the Exhibit button to view the topology.

  

  According to the diagram, what attribute is initiated by AS200 (IBGP) to give preference to the path A or D traffic will take when going from AS200 to AS 100? What attribute is initiated by AS200 (EBGP) to give preference to the path B or C traffic will take when going from AS 100 to AS200?

  A. MED; Origin
  B. MED; Local Preference
  C. Community; Origin
  D. Local Preference; MED
  E. Origin; Community
  D. Local Preference; MED

• Question 237:

  Below are four 'out' access-lists, configured on an interface. What list will block an IP packet with source address 144.23.67.94, destination address 197.55.34.254, destination TCP port 23 from leaving the router?

  A. access-list 100 deny ip tcp 144.23.67.0 0.0.0.7 eq telnet 197.55.34.240 0.0.0.15 eq . telnet access-list 100 permit ip any any
  B. access-list 100 deny tcp 144.23.67.94 0.0.0.7 any eq telnet access-list 100 permit ip any any
  C. access-list 100 deny tcp 144.23.67.86 0.0.0.7 eq telnet 197.55.34.240 0.0.0.15 access-list 100 permit ip any any
  D. access-list 100 deny ip 144.23.67.94 0.0.0.7 host 144.23.67.94 access-list 100 permit ip any any
  B. access-list 100 deny tcp 144.23.67.94 0.0.0.7 any eq telnet access-list 100 permit ip any any

• Question 238:

  Using the ITU-T channel plan recommendation defined in G.692, if one of the channels has a frequency of 196.10THz (equivalent to 1528.77nm), then what is the wavelength of the next lower frequency based on a 50GHz channel plan?

  A. 1527.99nm
  B. 1528.38nm
  C. 1529.16nm
  D. 1529.55nm
  E. 1529.94nm
  C. 1529.16nm

• Question 239:

  For the spanning tree algorithm, a bridge builds part of its forwarding table based on:

  A. Destination MAC addresses
  B. 802.2 headers
  C. Source MAC addresses
  D. The Ethernet type field
  E. The SNAP field
  C. Source MAC addresses

• Question 240:

  What is RPF?

  A. Reverse Path Forwarding
  B. Reverse Path Flooding
  C. Router Protocol Filter
  D. Routing Protocol File
  E. None of the above
  A. Reverse Path Forwarding