Nokia 4A0-100 Online Practice Questions and Exam Preparation

Nokia 4A0-100 Online Questions & Answers

• Question 161:

  Which of the following are accurate statements about the PE device in a service providers MPLS network? (Select three)

  A. A PE router only connects to CE devices.
  B. A PE router only connects to P routers.
  C. A PE router connects to at least one P router.
  D. A PE router connects to at least one CE device.
  E. PE routers support many different interface types connecting to CE devices.
  F. PE routers only support Ethernet interfaces connecting to the CE.
  C. A PE router connects to at least one P router.
  D. A PE router connects to at least one CE device.
  E. PE routers support many different interface types connecting to CE devices.

• Question 162:

  Which of the following ports can be used to access a Nokia 7750 SR that has not been configured?

  A. CPM management Ethernet port
  B. CPM console serial port
  C. Port 1/1/1
  D. Any port on an installed MDA
  B. CPM console serial port

• Question 163:

  How does LDP select the path used for an LSP?

  A. LDP monitors the available bandwidth on all links and signals the LSP based on this information.
  B. LDP uses the shortest hop-count between two endpoints for the LSP.
  C. LDP must be configured hop-by-hop by the service provider.
  D. LDP follows the path chosen by the IGP.
  D. LDP follows the path chosen by the IGP.

• Question 164:

  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.

• Question 165:

  Which of the following is the best description of well known ports?

  A. Well known ports apply to routers only and are used for communication and control traffic. Well known port numbers are assigned by IANA and can have any value.
  B. Well known ports are used by TCP and UDP. Well known port numbers range from 1024 to 65535 and are assigned by IANA.
  C. Well known port numbers are used by both TCP and UDP. Well known port numbers range from 1 to 1023 and are assigned by IANA.
  D. Well known ports numbers are used by TCP only. Well known port numbers are assigned by IANA and can have any value.
  C. Well known port numbers are used by both TCP and UDP. Well known port numbers range from 1 to 1023 and are assigned by IANA.

• Question 166:

  Which of the parameters in Hello messages exchanged between two OSPF neighbors must be the same to keep the adjacency alive in OSPF? (Choose four.)

  A. Interface MTU.
  B. Area ID.
  C. Authentication password.
  D. Hello interval.
  E. Dead interval.
  F. Router priority.
  B. Area ID.
  C. Authentication password.
  D. Hello interval.
  E. Dead interval.

• Question 167:

  What must be configured before a LAG becomes operational?

  A. The cost must be statically configured on all ports in the LAG.
  B. The speed and duplex setting on all ports in the LAG must be the same.
  C. Auto-negotiation must be enabled on all ports in the LAG.
  D. The duplex setting on all the ports in the LAG must be forced to half.
  B. The speed and duplex setting on all ports in the LAG must be the same.

• Question 168:

  When entering a command on the Nokia 7750 SR from the Command Line Interface (CLI), what would you use to list all the options for the command?

  A. ?
  B. tab character
  C. space character
  D. info
  A. ?

• Question 169:

  Which of the following routing protocols SHOULD NOT be used between routers R1 and R2?

  

  A. Static Routing
  B. Default Routing
  C. OSPF
  D. BGP
  C. OSPF

• Question 170:

  Host A is transmitting data to host B on a TCP connection. What is the purpose of the ACK sent by host B?

  A. The ACK tells the host A that host B wishes to establish a session.
  B. The ACK tells host A the sequence number of the segment that was just received by host B.
  C. The ACK tells host A the sequence number of the next segment that host B expects to see.
  D. The ACK is flow control from host B and tells host A to reduce its transmission rate.
  C. The ACK tells host A the sequence number of the next segment that host B expects to see.