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

Questions 1

Which of the following is TRUE about a PE router within a service provider’s MPLS network?

Options:

A.

It resides on the customer premises.

B.

It is not aware of the VPN services provided by the service provider.

C.

It should connect to at least one other PE router.

D.

It should connect to at least one CE device.

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Questions 2

A network with address 208.40.224.0/24 is divided into /28 subnets. What is the host address range of the fourth subnetwork?

Options:

A.

208.40.224.17 – 208.40.224.30

B.

208.40.224.33 – 208.40.224.46

C.

208.40.224.49 – 208.40.224.62

D.

208.40.224.65 – 208.40.224.78

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Questions 3

What type of VPN service does a VPWS provide?

Options:

A.

Layer 3 direct internet access service

B.

Layer 3 IP routed service

C.

Layer 2 point-to-point service

D.

Layer 2 multipoint service

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Questions 4

On a Nokia 7750 SR, which of the following event log destinations is used to store an event log to the compact

flash?

Options:

A.

Console

B.

CLI

C.

Memory

D.

File

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Questions 5

Which of the following describes the normal sequence of events in the forming of an OSPF adjacency?

Options:

A.

Hello exchange, DB descriptor exchange, Link state requests and updates.

B.

DB descriptor exchange, Link state requests and updates, Hello exchange.

C.

Link state requests and updates, Hello exchange, DB descriptor exchange.

D.

Hello exchange, Link state requests and updates, DB descriptor exchange.

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Questions 6

The sequence numbers are used by TCP to ensure that the data receive is provided to the application in the correct order.

Options:

A.

TRUE

B.

FALSE

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Questions 7

What capability of TCP/IP allows two hosts to have multiple TCP sessions to each other simultaneously?

Options:

A.

The combination of IP source and destination address and TCP source and destination port uniquely identifies each session.

B.

The combination of IP source and destination address and the IP protocol field uniquely identifies each session.

C.

The hosts can identify the sessions using each others MAC addresses.

D.

Two hosts can not have multiple TCP sessions simultaneously.

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Questions 8

Which field in the Routing Information Base (RIB) determines the direction frames will egress the node?

Options:

A.

Preference

B.

Metric

C.

Dest prefix

D.

Next-hop

E.

Cost

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Questions 9

Which of the following are functions of VLANs? (Choose two.)

Options:

A.

VLANs can group ports on multiple switches into unified broadcast domains

B.

VLANs allow multiple Ethernet switches to be connected in a single collision domain

C.

VLANs can separate ports on the same switch into different broadcast domains

D.

VLANs can group ports on the same switch into different collision domains

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Questions 10

What are the tasks of the Routing Table Manager (RTM)? (Choose two.)

Options:

A.

RTM selects the best route from among multiple routing protocols.

B.

RTM selects the best route using the metric as criteria

C.

RTM sends its best route to all its directly connected neighbors.

D.

RTM installs its best route in the routing table.

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