Nokia 4A0-100 Online Practice Questions and Exam Preparation

Nokia 4A0-100 Online Questions & Answers

• Question 71:

  Which of the following statements best characterize Distance Vector Routing? (Choose 2)

  A. Routers periodically send a copy of their routing table to their neighbors.
  B. Routers flood link information throughout the entire area.
  C. Network converges quickly (within several seconds) after a topology change.
  D. Routers do not have precise knowledge of the entire network topology.
  A. Routers periodically send a copy of their routing table to their neighbors.
  D. Routers do not have precise knowledge of the entire network topology.

• Question 72:

  With which of the following log destinations does an event log disappear when you log off a Nokia 7750 SR?

  A. Console
  B. Session
  C. Memory
  D. File
  B. Session

• Question 73:

  Which of the following is the location where an ISP aggregates its customer connections and connects them to the Internet?

  A. A demarcation point
  B. An Internet exchange point
  C. A regional Internet registry
  D. A point of presence
  B. An Internet exchange point

• Question 74:

  How do protocols such as ATM and Frame-Relay support differentiating multiple customers or traffic types on the same physical wire?

  A. ATM and Frame-Relay are circuit switched protocols and use Virtual Circuits to create logical separation of traffic.
  B. ATM and Frame-Relay are point-to-point protocols and do not support different customers or traffic type on the same physical wire.
  C. ATM and Frame-Relay are circuit switched protocols and use VLAN's to create logical separation of traffic.
  D. ATM and Frame-Relay are circuit switched protocols and use IP Header information to create logical separation of traffic.
  A. ATM and Frame-Relay are circuit switched protocols and use Virtual Circuits to create logical separation of traffic.

• Question 75:

  What is required if devices on different VLANs wish to communicate with each other?

  A. Devices on different VLANs cannot communicate with each other.
  B. Devices on different VLANs can communicate with each other as long as they are connected to the same switch.
  C. Devices on different VLANs can communicate with each other as long as the switches they are attached to are connected to each other with an Ethernet connection.
  D. Devices on different VLANs can communicate with each other if there is an IP router to connect the VLANs.
  D. Devices on different VLANs can communicate with each other if there is an IP router to connect the VLANs.

• Question 76:

  Which device is responsible for removing the MPLS label before the packet reaches the CE device?

  A. The CE device removes the MPLS label.
  B. The last LSR on the LSP removes the MPLS label.
  C. MPLS labels are not removed until they reach the final destination.
  D. The egress LER removes the MPLS label.
  D. The egress LER removes the MPLS label.

• Question 77:

  One of the tasks of the boot options file (BOF) is to:

  A. Specify authorization information to control access to the router.
  B. Define an IP address for the CPM Ethernet port.
  C. Initialize the hardware.
  D. Set the date/time for the system.
  B. Define an IP address for the CPM Ethernet port.

• Question 78:

  Which of the following statements is TRUE regarding the development of the OSI Reference Model?

  A. OSI was developed as an alternative, open standard to IBMs SNA model.
  B. OSI protocols were no longer used after TCP/IP was developed.
  C. OSI model is much simpler than TCP/IP.
  D. OSI model is maintained exclusively by the IETF.
  A. OSI was developed as an alternative, open standard to IBMs SNA model.

• Question 79:

  Given a network address of 116.14.0.0, which of the following is a valid host address when using the subnet mask 255.255.255.240?

  A. 116.14.17.16
  B. 116.14.17.31
  C. 116.14.17.192
  D. 116.14.17.189
  D. 116.14.17.189

• Question 80:

  What happens when a switch receives an Ethernet frame with unknown source and destination MAC addresses?

  A. The frame is silently discarded.
  B. The source MAC address is saved in the MAC FDB, and the frame is discarded.
  C. The source MAC address is saved in the MAC FDB, and the frame is flooded to all ports except the receiving port.
  D. The source and destination MAC addresses are saved in the MAC FDB, and the frame is flooded to all ports.
  C. The source MAC address is saved in the MAC FDB, and the frame is flooded to all ports except the receiving port.