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DCN Midterm

Authored by Dean Mark M. Molde

Computers

University

Used 4+ times

DCN Midterm
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30 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the main purpose of a subnet mask in networking?

To encrypt network data

To divide an IP address into network and host portions

To increase internet speed

To detect network failures

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which subnet mask corresponds to a Class C network?

255.255.0.0

255.0.0.0

255.255.255.0

255.255.255.255

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the primary benefit of subnetting?

Increases available IP addresses

Enhances network security and reduces broadcast traffic

Eliminates the need for IP addressing

Slows down network performance

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How is a broadcast address determined in a subnet?

It is the lowest IP address in the subnet

It is the highest IP address in the subnet

It is randomly assigned by the router

It is the middle IP address in the subnet

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the subnet mask for the network 192.168.1.0/25?

255.255.255.128

255.255.255.252

255.255.255.0

255.255.255.64

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In subnetting, what happens when more bits are borrowed from the host portion?

The number of usable IP addresses decreases

The number of available subnets decreases

The subnet mask decreases

The network becomes unusable

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which protocol commonly uses broadcast addresses to discover MAC addresses?

TCP

DNS

ARP

ICMP

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