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How to Easily Pass the Nokia 4A0-100 Exam: Expert Advice

Questions 51

What ICMP message type will a router use to indicate to a host that an IP datagram sourced from that host cannot be delivered?

Options:
A.

Echo Request.

B.

Destination Unreachable.

C.

Router redirect.

D.

Echo Reply.

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Questions 52

What is the effective maximum rate of data transmission on a 10 Mbps full-duplex Ethernet link?

Options:
A.

5 Mbps.

B.

10 Mbps.

C.

15 Mbps.

D.

20 Mbps.

Questions 53

What is the meaning of carrier sense in the CSMA/CD algorithm?

Options:
A.

The host will retransmit the frame if it detects a collision during transmission.

B.

The host is able to detect the transmission speed of the Ethernet switch port to which the host is connected.

C.

The host will only transmit data when it detects that no other devices are transmitting.

D.

The host will only transmit upon a timer expiry.

E.

The host will only transmit when it receives the token.

Questions 54

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

Options:
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.

Questions 55

Network address: 200.12.30.0

Network mask: 255.255.255.0

Use the information above. You need to create 12 subnetworks supporting 10 host addresses each.

Which extended prefix will meet this requirement?

Options:
A.

/12

B.

/24

C.

/26

D.

/28

E.

/30

Questions 56

Which of the following statements is TRUE of Layer 3 addressing?

Options:
A.

Internet devices on the same network can have the same Layer 3 address in different broadcast domains.

B.

Every Host device must have a unique Layer 3 address in order to access the Internet.

C.

Internet devices need unique Layer 3 addresses to communicate directly with upper layers.

D.

A router must have only one address to allow it to be uniquely identified.

Questions 57

Which of the following Ethernet rates requires an optical cable to operate?

Options:
A.

10 Mb/s Ethernet.

B.

100 Mb/s Ethernet.

C.

1000 Mb/s Ethernet .

D.

There are copper and optical versions possible for all of these Ethernet data rates.

Questions 58

A set of tasks that move a packet from its entry into an IP network to its exit from the IP network. This describes:

Options:
A.

IP routing.

B.

IP protocol.

C.

IP encapsulation.

D.

IP tunneling.

Questions 59

At what stage in the packet forwarding process, is the IP packet header examined?

Options:
A.

When the router first receives a frame from a LAN.

B.

After the forwarding table is checked.

C.

After the IP datagram is extracted from the L2 frame.

D.

Immediately before the IP packet is encapsulated for transmission.

Questions 60

Which statement best describes how the internet evolved?

Options:
A.

The internet emerged in the commercial world in the 1980’s following the US military’s adoption of TCP/IP in 1983.

B.

The internet evolved from a military to a research to a commercial based network.

C.

The internet remained primarily a research based network and was only commercially adopted in 2000 when the world wide web was conceived.

D.

Internet service providers provided the services necessary for military based networks to evolve into research and education based networks.

Exam Code: 4A0-100
Certification Provider: Nokia
Exam Name: Nokia Scalable IP Networks
Last Update: Jan 24, 2025
Questions: 352

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