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CAT (jiya) > Local Area Networks > Flashcards

Local Area Networks Flashcards

1
Q

What is a network?

A

A collection of computers or other computing devices connected by communication media to allow users to share software, hardware, data, and communicate.

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2
Q

Define Local Area Network (LAN).

A

A network connecting computers in a small area such as a school, university campus, or company offices in one building.

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3
Q

What is a Wireless LAN (WLAN)?

A

A LAN which uses wireless (radio waves) to communicate rather than cables.

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4
Q

What is an intranet?

A

An Internet-like environment consisting of web pages related to an organization’s business, accessible only within the organization.

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5
Q

What does network topology refer to?

A

The mapping of a LAN design, referring to how various nodes, devices, and connections are arranged in relation to each other.

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6
Q

Differentiate between physical and logical network topology.

A

Physical topology refers to actual connections (wires, cables), while logical topology is how the network is set up, including node connections and data transmission.

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7
Q

Fill in the blank: A network type in which every computer and device is connected to a single cable is called _______.

A

Bus Topology

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8
Q

List three features of Bus Topology.

A
  • Transmits data only in one direction
  • Every device is connected to a single cable
  • Cost effective and easy to expand
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9
Q

True or False: In Bus Topology, if one cable fails, only the connected devices are affected.

A

False

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10
Q

What is Star Topology?

A

A topology where all computers and devices are connected to a main hub or switch, which manages the flow of data.

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11
Q

List two advantages of Star Topology.

A
  • Fast performance with few nodes and low network traffic
  • Easy to troubleshoot and modify
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12
Q

What is Ring Topology?

A

A topology where nodes are arranged in a circle, allowing data to travel in one or both directions.

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13
Q

What are the two methods of data transmission in Mesh Topology?

A
  • Routing
  • Flooding
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14
Q

Define Tree Topology.

A

A topology with a root node and all other nodes connected to it, forming a hierarchy.

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15
Q

What is Hybrid Topology?

A

A mixture of two or more topologies, inheriting their advantages and disadvantages.

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16
Q

What does NIC stand for?

A

Network Interface Controller

17
Q

What is the role of a server in a network?

A

A computer that provides shared resources, such as files and Internet access, to network users.

18
Q

What is a file server?

A

The most common type of server used to store files accessible by users on the network.

19
Q

What is the primary function of an email server?

A

To handle the email needs of an organization.

20
Q

Fill in the blank: The rate at which data is transferred over media used is known as _______.

A

Data Transmission Speed

21
Q

What is UTP?

A

Unshielded Twisted Pair, the most common cable used for wired networks.

22
Q

True or False: Fibre optic cables are primarily used for connecting devices within a LAN.

A

False

23
Q

What is the purpose of wireless access points?

A

To allow communication between wireless devices and connect them to a wired network.

24
Q

What does network security refer to?

A

Policies put in place to ensure the security of a network by preventing unauthorized access to information.

25
Q

List three tips for creating secure passwords.

A
  • At least 8 characters long
  • Include upper and lowercase letters, numbers, and special characters
  • Avoid easily guessable personal information
26
Q

What is the role of a network administrator?

A

To manage the network, ensuring its security and functionality.

27
Q

What is the purpose of an Acceptable Use Policy (AUP)?

A

To outline the rights and responsibilities of users in networked environments

An AUP is crucial for maintaining ethical practices in organizations and schools.

28
Q

What types of rules are included in an Acceptable Use Policy?

A

Basic netiquette rules and responsible computer usage, restrictions related to Internet usage

These rules are designed to protect users while they are online.

29
Q

What does an Acceptable Use Policy serve as between the organization and the user?

A

A contract summarizing what users can and cannot do

It also outlines possible consequences for non-compliance.

30
Q

What ethical aspects does an Acceptable Use Policy cover?

A
  • Ethical use
  • Legal use
  • Safe use
  • Privacy of other users

These aspects are important for maintaining a respectful online environment.

31
Q

What are some restrictions mentioned in an Acceptable Use Policy?

A
  • Amount of data downloaded
  • Accessing objectionable/offensive material
  • Use of portable storage devices
  • Installing hardware or software

These restrictions vary based on the organization’s policies and local laws.

32
Q

What procedures should users follow if they are victims of identity theft or malware?

A

Follow specific procedures outlined in the AUP

This ensures users know how to respond to such incidents effectively.

33
Q

What hints does an Acceptable Use Policy provide to users?

A

Hints to avoid plagiarism and breaking copyright law

This guidance is essential for maintaining ethical academic and professional standards.

34
Q

True or False: An Acceptable Use Policy includes consequences for violating its conditions.

A

True

Clear consequences help enforce compliance with the policy.

35
Q

Fill in the blank: An AUP puts the duty of using the network in a responsible way on the _______.

A

user

This emphasizes individual responsibility in networked environments.

36
Q

What is a consequence of not complying with the Acceptable Use Policy?

A

Possible disciplinary action or loss of network access

Consequences are designed to deter unethical behavior.

37
Q

What is the significance of netiquette in an Acceptable Use Policy?

A

It sets the standard for respectful online communication

Following netiquette helps create a positive online environment.

CAT (jiya) (10 decks)

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