Nokia 4A0-100 Online Practice Questions and Exam Preparation

Nokia 4A0-100 Online Questions & Answers

• Question 281:

  If a customer requires a multipoint layer 2 VPN service between three or more locations which VPN service is best suited for this customer?

  A. Virtual Private Wire Service
  B. Virtual Private LAN Service
  C. Virtual Private Routed Networks
  D. Virtual Private Dark Fibre Service
  B. Virtual Private LAN Service

• Question 282:

  Which of the following is a feature of a VLAN?

  A. A VLAN allows multiple Ethernet switches to be connected in a single broadcast domain.
  B. A VLAN allows multiple Ethernet switches to be connected in a single collision domain.
  C. A VLAN can separate ports on the same switch into different broadcast domains.
  D. A VLAN can separate ports on the same switch into different collision domains.
  C. A VLAN can separate ports on the same switch into different broadcast domains.

• Question 283:

  Which of the following best describes the operation of the Media Dependent Adapter (MDA)?

  A. The MDA contains the flexible fast path complex used for forwarding data.
  B. Excess data is discarded by the MDA and the remaining data forwarded for QoS processing.
  C. The MDA buffers data and applies Quality of Service (QoS) to classify and treat the data appropriately.
  D. The MDA converts data from its incoming physical format into an internal format and provides some minimal buffering.
  D. The MDA converts data from its incoming physical format into an internal format and provides some minimal buffering.

• Question 284:

  Router R5 receives four route updates for the same prefix 10.10.10.1/32. Which of the four routes will be installed in R5's routing table?

  

  A. Route learned from router R1.
  B. Route learned from router R2.
  C. Router learned from router R3.
  D. Route learned from router R4.
  D. Route learned from router R4.

• Question 285:

  A network administrator is creating a subnet plan for the address 172.16.0.0/16. The network must support 459 hosts on each subnet while providing the maximum number of subnets. What subnet mask should be used?

  A. 255.255.0.0
  B. 255.255.128.0
  C. 255.255.224.0
  D. 255.255.254.0
  D. 255.255.254.0

• Question 286:

  You need to implement an interior gateway routing protocol for your network that supports scalability, fast convergence and VLSM. Which routing protocol would best serve your needs?

  A. RIPv1.
  B. RIPv2.
  C. OSPF.
  D. BGP.
  E. Static routes.
  C. OSPF.

• Question 287:

  In the diagram, R7 receives a new LSA from R3 and installs it in its link state database. 10 ms. later it receives another copy of the LSA with the same sequence number from R8. What does R7 do with the LSA received from R8?

  

  A. R7 silently discards the LSA received from R8.
  B. R7 installs the LSA received from R8 in its link state database and floods a copy to its neighbors.
  C. R7 discards the LSA received from R8 and sends an ACK to R8.
  D. R7 installs the LSA received from R8 in its link state database, sends an ACK to R8 and floods a copy to its neighbors.
  C. R7 discards the LSA received from R8 and sends an ACK to R8.

• Question 288:

  Which of the following is NOT a valid log source in a Nokia 7750 SR?

  A. Main
  B. Security
  C. Syslog
  D. Debug
  C. Syslog

• Question 289:

  Which of the following Nokia 7750 SR components is NOT part of the data plane?

  A. The Media Dependent Adapter (MDA)
  B. The Input/ Output Module (IOM)
  C. The Switch Fabric (SF)
  D. The Control Processor Module (CPM)
  D. The Control Processor Module (CPM)

• Question 290:

  Address summarization reduces the routing table size by:

  A. Allowing a contiguous block of network addresses to be represented by one network prefix.
  B. Increasing the number of addresses in the routing table.
  C. Summarizing addresses in the network into smaller routing tables.
  D. Not advertising directly connected routes.
  A. Allowing a contiguous block of network addresses to be represented by one network prefix.