Nokia 4A0-100 Online Practice Questions and Exam Preparation

Nokia 4A0-100 Online Questions & Answers

• Question 271:

  What is the purpose of TCP flow control?

  A. It restricts the sender from sending too much data when there is congestion in the network.
  B. It allows the receiver to control the rate at which the sender transmits data.
  C. It forces the sender to send only one segment at a time.
  D. It allows the receiver to drop segments without the sender having to retransmit.
  B. It allows the receiver to control the rate at which the sender transmits data.

• Question 272:

  Which of the following is TRUE regarding routers R2 and R3 in the pictured MPLS network?

  

  A. Router R2 pushes labels for LSP A, and R3 swaps labels for LSP A.
  B. Router R2 swaps labels for LSP A, and R3 pops labels for LSP A.
  C. Router R2 and R3 swap labels for LSP A and LSP B.
  D. Router R2 and R3 push labels for LSP A and LSP B, respectively.
  D. Router R2 and R3 push labels for LSP A and LSP B, respectively.

• Question 273:

  Which of the following best describes a repeater?

  A. A passive device simply used to connect two or more cables. It does not generate or amplify any signals.
  B. A device that receives and retransmits a signal out its ports but does not do any Layer 2 analysis of the data.
  C. A device that receives a signal and based on the Layer 2 destination address, makes a decision on which ports the signal should be retransmitted.
  D. A device that receives a signal and based on the Layer 3 destination address makes a decision on which ports the signal should be retransmitted.
  B. A device that receives and retransmits a signal out its ports but does not do any Layer 2 analysis of the data.

• Question 274:

  An Ethernet Local Area Network (LAN) consists of the components shown in the diagram. How many collision domains are on this LAN?

  

  A. 1
  B. 2
  C. 5
  D. 6
  C. 5

• Question 275:

  A typical Nokia 7750 SR Media Dependent Adapter (MDA) interfaces with:

  A. A Small Form-Factor Pluggable (SFP) module.
  B. The Central Processing Unit (CPU).
  C. The Control Plane.
  D. The Switch Fabric.
  A. A Small Form-Factor Pluggable (SFP) module.

• Question 276:

  Which of the following statements about route summarization is FALSE?

  A. It reduces the number of routes advertised by the router.
  B. It allows a single route table entry to represent multiple subnetworks
  C. It can reduce the size of the routing table in neighboring routers.
  D. It advertises more specific routes for routing advertisement stability.
  D. It advertises more specific routes for routing advertisement stability.

• Question 277:

  What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?

  A. Details of the configuration settings of each router on the network.
  B. A list of other DHCP clients.
  C. IP addresses and their lease times.
  D. Server time information
  C. IP addresses and their lease times.

• Question 278:

  

  Based on the network diagram (click the Exhibit Button), what are the prefix, mask, and next-hop used on CR1 to setup a default static route to R1?

  A. 0.0.0.0/0 next-hop 10.2 3.2
  B. 0.0.0.0/32 next-hop 10.2.3.2
  C. 10.2.3.2/32 next-hop 0.0.0.0/0
  D. 0.0.0.0/0 next-hop 192.168.2.0
  A. 0.0.0.0/0 next-hop 10.2 3.2

• Question 279:

  Which of the following statements best describes ARPANET?

  A. ARPANET was an early packet switched network initially connecting 4 sites (Stanford, UC Santa Barbara, UCLA, and U of Utah).
  B. The mission of ARPANET was to connect packet switched networks and other diverse networks, making an international network of networks.
  C. ARPANET connected sites spread around the Hawaiian Islands to a central time-sharing computer on the University of Hawaii campus.
  D. ARPANET was based on the use of TCP/IP to interconnect diverse systems.
  A. ARPANET was an early packet switched network initially connecting 4 sites (Stanford, UC Santa Barbara, UCLA, and U of Utah).

• Question 280:

  Which of the following is a characteristic of Link State protocols?

  A. Routers send a copy of their entire routing table to their neighbors.
  B. Routers send frequent periodic updates to the entire network.
  C. Routers know the entire network topology.
  D. Routers use hop-count to calculate their routing tables.
  C. Routers know the entire network topology.