Cisco 350-020 Online Practice Questions and Exam Preparation

Cisco 350-020 Online Questions & Answers

• Question 371:

  Click the Exhibit button.

  

  With a router connected to node E, and a laptop connected to node C, in what node would you put a static route to access this network from an external IP network?

  A. None. A static route is only required when OSPF is disabled on the DCC and each node is a on a different subnet.
  B. In Node E
  C. In Node B
  D. In Nodes B and D
  B. In Node E

• Question 372:

  For Dispersion Shifted Fiber (DSF), the zero-dispersion wavelength generally occurs in the range:

  A. 850to 1100nm
  B. 1300 to 1400nm
  C. 1400 to 1500nm
  D. 1500 to 1600nm
  D. 1500 to 1600nm

• Question 373:

  Which form of SONET switching requires the exchange of the K1 and K2 bytes between adjacent multiplexer and/or cross-connect locations for switching to occur properly?

  A. Unidirectional
  B. 1+1
  C. Path Level
  D. Line Level
  D. Line Level

• Question 374:

  What describes a technique, used to encapsulate voice (NOT data) over ATM?

  A. RFC 1483
  B. LANE
  C. AAL-1
  D. RFC 1577
  C. AAL-1

• Question 375:

  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
  C. 0.4 nm

• Question 376:

  What is the principle operation of back-to-back DWDM systems in selecting wavelengths to drop?

  A. Selecting specific wavelengths from the signal and filtering only those out.
  B. Filtering out the required wavelengths and then regenerating the new signal.
  C. Terminating every wavelength and then regenerating the ones required.
  D. Efficiently amplify all signals in the same fiber
  C. Terminating every wavelength and then regenerating the ones required.

• Question 377:

  Click the Exhibit button.

  

  A customer has improperly installed a 2-node OC-12 SRP ring using dark fiber. Based on the printout from each node shown in the exhibit, what is the problem?

  A. Misconfigured timing
  B. Single faulty span or fiber between nodes
  C. A-B side SRP interfaces are fiber-looped on each node
  D. A-B side TX-TX and RX-RX fibers connected between nodes
  E. A-A and B-B side SRP interfaces connected between nodes
  C. A-B side SRP interfaces are fiber-looped on each node

• Question 378:

  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 379:

  What does the ML-series QoS feature set NOT allow it to classify incoming packets based on?

  A. MAC address
  B. Virtual LANs
  C. IPDSCP
  D. 802.1 Q CoS
  E. IP Precedence
  A. MAC address

• Question 380:

  In order to avoid loops when sending routing updates, what is the correct technique to prevent a network from being forwarded on the same interface it is learned?

  A. Poison Reverse
  B. The use of access-lists used with distribute-list
  C. Split Horizon
  D. This is not a problem, since this cannot happen.
  C. Split Horizon