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Home Nokia Nokia 4A0-100

Nokia Nokia 4A0-100 Exam Practice Questions (P. 1)

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Question #1
You are configuring your Nokia 7750SR Service Router from the Command Line Interface (CLI), and after entering a lengthy command, wish to return directly to the ROOT context. Which control command allows you to do this quickly?
  1. A
    Ctrl-z
  2. B
    Ctrl-c
  3. C
    Esc
  4. D
    Shift-Page Down

Correct Answer:
A

Question #2
Which of the following best describes a repeater?
  1. A
    A passive device simply used to connect two or more cables. Does not generate or amplify any signals.
  2. B
    A device that receives and retransmits a signal out its ports, but does not do any Layer 2 analysis of the data.
  3. 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.
  4. 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.

Correct Answer:
B

Question #3
How do protocols such as ATM and Frame-Relay support differentiating multiple customers or traffic types on the same physical wire?
  1. A
    ATM and Frame-Relay are circuit switched protocols and use Virtual Circuits to create logical separation of traffic.
  2. B
    ATM and Frame-Relay are point-to-point protocols and do not support different customers or traffic type on the same physical wire.
  3. C
    ATM and Frame-Relay are circuit switched protocols and use VLAN's to create logical separation of traffic.
  4. D
    ATM and Frame-Relay are circuit switched protocols and use IP Header information to create logical separation of traffic.

Correct Answer:
A

Question #4
Which of the following is a feature of Layer 3?
  1. A
    Provides an universal addressing scheme
  2. B
    Ensures data is delivered across the Layer 2 network.
  3. C
    Provides reliable data transfers.
  4. D
    Provides a physical interface to the network.

Correct Answer:
A

Question #5
The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will you obtain with this mask?
  1. A
    4 subnets, 64 hosts
  2. B
    64 subnets, 4 hosts
  3. C
    4 subnets, 62 hosts
  4. D
    64 subnets, 2 hosts
  5. E
    6 subnets, 30 hosts

Correct Answer:
C

Question #6
What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?
  1. A
    Details of the configuration settings of each router on the network.
  2. B
    A list of other DHCP clients.
  3. C
    IP addresses and their lease times.
  4. D
    Server time information

Correct Answer:
C

Question #7
Choose two true statements that characterize Link State Routing
  1. A
    Routers send a copy of their routing table to their neighbors periodically.
  2. B
    Routers flood link information throughout the entire area.
  3. C
    Network converges quickly (within several seconds) after a topology change.
  4. D
    Routers do not have precise knowledge of the entire network topology.

Correct Answer:
BC

Question #8
Which statement accurately explains the purpose of the TCP protocol and what it provides?
  1. A
    The primary purpose of TCP is to provide reliable communications between application services.
  2. B
    The primary purpose of TCP is to provide unreliable communications between application services
  3. C
    The primary purpose of TCP is to provide IP routing between application services.
  4. D
    The primary purpose of TCP is to define the correct format for the application layer such as JPEG or HTML.

Correct Answer:
A

Question #9
Which of the following is the best description of well known ports?
  1. 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.
  2. B
    Well known ports are used by TCP and UDP. Well known port numbers range from 1024 to 65535 and are assigned by IANA.
  3. 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.
  4. D
    Well known ports numbers are used by TCP only. Well known port numbers are assigned by IANA and can have any value.

Correct Answer:
C

Question #10
Which organization first considered cross-platform networking support to be a necessity?
  1. A
    IBM.
  2. B
    US Military.
  3. C
    Nokia.
  4. D
    NASA.
  5. E
    Bell Labs

Correct Answer:
B

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