Network Subnetting and CIDR Quiz

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Questions and Answers

What is the purpose of dividing a bigger network into smaller networks?

  • To expand technology for large organizations
  • To reduce network traffic
  • To increase network security
  • To make maintenance easier (correct)

What does CIDR stand for in networking?

  • Classless Inter-Domain Routing (correct)
  • Client Internet Domain Routing
  • Communication Interface Data Routing
  • Central Information Data Routing

What does the Broadcast Address represent in a network?

  • Turn all numbers after the CIDR to 1's (correct)
  • Turn all numbers after the CIDR to 0's
  • Represents the last number in the IP address
  • Marks the end of the network bits

How is the number of host devices calculated in a network using CIDR notation?

<p>$2^n-2$; n = Network bits (CIDR) (A)</p> Signup and view all the answers

What is the purpose of using masks in networking?

<p>To turn binary to 1's before CIDR and to 0's after CIDR (A)</p> Signup and view all the answers

Which action helps improve network performance by efficiently routing traffic to different domains?

<p>Dividing the network into smaller networks (B)</p> Signup and view all the answers

In CIDR notation, which part of the IP address is turned into 0's for the broadcast address?

<p>The end of network bits (A)</p> Signup and view all the answers

What is the formula to calculate the number of host devices given the total bits (Tb) and network bits (Nb) in CIDR notation?

<p>$2n-2$ (D)</p> Signup and view all the answers

How does converting all numbers after the CIDR to 1's affect network security?

<p>Improves network security (D)</p> Signup and view all the answers

What is the purpose of turning binary numbers to 1's before CIDR and to 0's after CIDR?

<p>Defining the network ID boundaries (D)</p> Signup and view all the answers

Flashcards

Dividing a network

Splitting larger networks into smaller ones for easier maintenance.

CIDR

Classless Inter-Domain Routing, a method for allocating IP addresses.

Broadcast Address

An address representing all devices within a network by turning bits to 1's.

Host devices calculation

Calculated using the formula $2^n-2$ where n is network bits.

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Use of masks

To convert binary to 1's before CIDR and 0's after.

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Network performance

Improved by efficiently routing traffic through network division.

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CIDR notation end

The part of an IP address turned into 0's for the broadcast address.

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Calculation formula

To find host devices, use $2^n-2$ from total bits and network bits.

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Security impact of broadcast

Converting CIDR bits to 1's improves security.

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Defining network ID boundaries

Achieved by changing binary to 1's and 0's around CIDR.

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