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Network Design Fundamentals

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Questions and Answers

What is the primary focus of measuring network availability?

To evaluate the speed of the network

To determine the cost of network downtime

To assess the percentage of time the network is operational (correct)

To identify the root cause of network failures

What is the correct formula to calculate network availability?

% Availability = Time Operating - Time Offline

% Availability = Time Operating / Time Offline

% Availability = Time Operating / (Time Operating + Time Offline) (correct)

% Availability = Time Offline / Time Operating

What is the main purpose of a hierarchical network design?

To increase the cost of the network

To reduce the complexity of the network

To decrease the speed of the network

To improve the availability and scalability of the network (correct)

What is the term used to describe the time when the network is operational?

Time Operating Signup and view all the answers

What is the relationship between the core, distribution, and access layers in a hierarchical network design?

The access layer is connected to the distribution layer, and the distribution layer is connected to the core layer Signup and view all the answers

What is the primary goal of a hierarchical network design in terms of cost?

To reduce the cost of the network Signup and view all the answers

Which of the following is a key performance metric for network design?

Network availability Signup and view all the answers

In a hierarchical network design, which layer is responsible for connecting to the end-users?

Access layer Signup and view all the answers

What is the purpose of measuring network availability?

To evaluate the network's reliability Signup and view all the answers

What is the formula to calculate network availability in a hierarchical network design?

Time Operating / (Time Operating + Time Offline) Signup and view all the answers