Nokia 4A0-100 Free Sample Exam Questions 2026

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Page: 1 / 66
Total Questions: 327

Questions & Answers PDF

• Question 1

  

  In what type of network is a broadcast storm likely to occur?

  • An MPLS network with multiple LSPs to the same LER.
  • An OSPF network with equal cost multiple paths.
  • A SONET network with a ring topology.
  • An Ethernet network with redundant paths not running STP.

  Reveal Answer Answer: D Next Question

• Question 2

  

  Which of the following is TRUE regarding Ethernet half-duplex transmission?

  • Half-duplex transmission is less efficient because the frame MTU is smaller.
  • An end-station connected to a hub will always be half-duplex.
  • Ethernet switches only support half-duplex transmission.
  • All of the above.

  Reveal Answer Answer: B Next Question

• Question 3

  

  Which of the following describes a static default route?

  • A routing entry, included in the RIB by default, that forwards packets with an unknown destination to the CPM for inspection.
  • A manual entry used when the destination address of a network is not specifically listed in the routing table.
  • A manual entry that matches a specific /32 host address using the least cost to the destination.
  • A default entry in the FIB used when forwarding multicast and broadcast packets.

  Reveal Answer Answer: B Next Question

• Question 4

  

  Which of the following command lines would be found in a list of commands designed to permit only certain type of traffic from exiting router RTR-A to router RTR-B?

  • RTR-A>config>router>if>ingress# filter ip 1
  • RTR-B>config>router>if>ingress# filter ip 1
  • RTR-B>config>router>if>egress# filter ip 1
  • RTR-A>config>router>if>egress# filter ip 1

  Reveal Answer Answer: D Next Question

• Question 5

  

  What is NOT a function of the IOM?

  • It forwards the data to the switch fabric.
  • It discards excess data packets.
  • It converts the incoming data to an internal format.
  • It performs Quality of Service operations and buffers incoming data.

  Reveal Answer Answer: C Next Question

• Question 6

  

  Which of the following best describes an Ethernet bridge?

  • A passive device simply used to connect two or more cables. Does not generate or amplify any signals.
  • A device that receives and retransmits a signal out its other ports, but does not do any Layer 2 analysis of the data.
  • 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.
  • 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.

  Reveal Answer Answer: C Next Question

• Question 7

  

  Which of the following statements are TRUE about the Nokia SR 7750? (Choose two.)

  • It can boot without a compact flash in the CF3 slot.
  • It cannot boot without a compact flash in the CF3 slot.
  • It can operate without a compact flash in the CF3 slot once it has booted.
  • It cannot operate without a compact flash in the CF3 slot once it has booted.

  Reveal Answer Answer: B, C Next Question

• Question 8

  

  Which of the following statements best describes ARPANET?

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

  Reveal Answer Answer: A Next Question

• Question 9

  

  Which statement best describes an SDP?

  • Service Delivery Points are defined on the service provider network side and used to bind the service to an MPLS transport tunnel. Many services can be bound to a single SDP.
  • Service Delivery Points are defined on the service provider access side and used to bind the connection of the service to CE device. Many services can be bound to a single SDP.
  • Service Delivery Points are defined on the service provider network side and used to bind the service to an MPLS transport tunnel. Only one service can be bound to a single SDP.
  • Service Delivery Points are defined on the service provider access side and used to bind the service to CE device. Only one service can be bound to a single SDP.

  Reveal Answer Answer: A Next Question

• Question 10

  

  Which transport protocol and port number is used by BGP to establish and maintain a peering session with other BGP speakers?

  • TCP port 179.
  • UDP port 179.
  • TCP port 22.
  • UDP port 22.

  Reveal Answer Answer: A Next Question

Page: 1 / 66
Total Questions: 327

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