Notes, summaries, assignments, exams, and problems for Technology

Mastering Microsoft Access Field Creation

Methods for Creating Fields in Access

There are two primary ways to create a field in Microsoft Access:

1. Adding fields using a predefined template.
2. Using an existing field copied from another table.

Access Field Templates Collection

Access includes a collection of field templates designed to significantly reduce the time required when setting up new fields.

Understanding Multi-Valued Fields in Access 2007

Multi-valued fields are suitable for specific scenarios, particularly when using Office Access 2007 to interact with information stored in Microsoft Windows SharePoint Services.

Defining Field Properties in Datasheet View

Field properties can be defined in the Datasheet View. Follow these steps:

1. Open the table

... Continue reading "Mastering Microsoft Access Field Creation and Data Types" »

#useradd nombredeusuario :: para crear usuarios

#passwd :: nombredelusuario

#groupadd :: nombredelgrupo :: (forma normal)

#groupadd -g 600 nombredelgrupo :: (guid sobre 650)

#userdel nombredelusuario :: para deletear usuarios

#groupdelnombredelgrupo :: borrar el grupo

#usermod -G nombredelgrupo nombredeusuario :: para asignar usuario a grupo.

opcion 2: editar archivo /etc/group -> grupo:x:600:usuarioqueseagregara

#nano /etc/shadow :: para poder ver los usuarios y poder bloquearlos

#passwd -l nombredeusuario :: para bloquear usuario

#passwd -u nombredeusuario :: para desbloquear usuario

#sudo passwd :: para cambiar la contraseña de root

# tail /etc/passwd :: paraver informacion de usuarios

#su nombredelotrousuario :: para iniciar sesion como el usuario... Continue reading "Centos 5.5" »

Core Concepts of Palo Alto Networks

Strata

PA-Series: PA-220, PA-800, PA-3200, PA-5200, PA-7000

VM Series: VM-50, VM-100, VM-300, VM-500, VM-700

• Amazon Web Services
• Cisco ACI
• Citrix NetScaler SDX
• Google Cloud Platform
• Kernel-based Virtual Machine (KVM)
• Microsoft Azure and Microsoft Hyper-V
• OpenStack
• VMware ESXi, VMware NSX, and VMware vCloud Air

Panorama

• Policy Management
• Centralized Visibility
• Network Security Insights
• Automated Threat Response
• Network Security Management
• Enterprise-Level Reporting and Administration

Prisma (Cloud, SASE, SaaS, VM Series ML-Powered NGFWs)

• Cloud Security - Delivers complete security across the development lifecycle on any cloud.
• Prisma Cloud - Cloud Security Posture Management and Workload Protection (Uses API)
  • Alibaba Cloud
  • Amazon

... Continue reading "Palo Alto Networks: Core Concepts and Product Ecosystem" »

Computer Network and Its Types

A network refers to a collection of interconnected nodes or entities that can communicate and share information with each other. These nodes can be computers, devices, or even people. Networks are used to facilitate the exchange of data, resources, or services among the connected entities.

Types of Networks

There are several types of networks, including:

• Local Area Network (LAN): LANs are typically limited to a small geographic area, such as a home, office, or campus. They are used for connecting devices within a relatively close proximity, often using Ethernet cables or Wi-Fi.
• Wide Area Network (WAN): WANs cover larger geographical areas and connect LANs over long distances. The internet is the most extensive example

... Continue reading "Computer Networks: Types and Definitions" »

Introduction

In the coming years, the manufacture of mirrors and glass will grow because the demand will be higher.

The process of making glass consists of melting certain substances until they solidify. This process dates back to a time before 2000 BC when glass was worked by hand using molds. Over time, glass has been used to make containers, decorative objects such as jewelry, and also in architecture and industry. At present, its recycling provides an important benefit to conserve the environment and reduce pollution.

Hypothesis

How viable is it to assemble a glass processing plant in Ecuador?

Ecuador does not manufacture glass; it is always imported. What they do in Ecuador is the processing of glass, such as:

• Polishing
• Vice-lane
• Stacking and

... Continue reading "Glass Processing Plant Viability in Ecuador" »

Understanding Sound Types

Analogue Sound Explained

Analogue sound imitates the vibrations of real sound. Its electrical signal has an analogue curve similar to a real sound wave.

Digital Sound Explained

Digital sound recording does not imitate vibrations but converts them into a binary code, the language computers use.

Digital sound is obtained through a converter. It transforms real sound (analogue) into a computer-readable format.

The Digitization Process

Role of the Converter

A converter is a device that transforms real sound into digital sound. The process is called sampling.

Sound Reproduction

To reproduce sound, the converter follows the inverse process, transforming the digital information back into real sound.

The MIDI System: Digital Communication

... Continue reading "Digital Audio Essentials: Sound, MIDI, and Formats" »

... Continue reading "Content" »

Investigative & Forensic Terminology

Forensic Kit A collection of tools used to discover scientific information about crimes.Fingerprint Powder A substance used to identify individuals by revealing the impression made on a surface by fingerprints.Slides Small pieces of photographic film projected onto a screen, often used for viewing evidence.Target To identify or concentrate on a specific person, object, or objective.Stakeouts Periods of surveillance conducted to gather evidence of criminal activity.Backup Support or help, often referring to additional personnel or resources.Lie Detector Test A test used to find out whether a person is telling the truth, typically involving a polygraph machine.Microfiche A small sheet of film on which... Continue reading "Essential Vocabulary for Investigations and Descriptions" »

Engine Operation & Control

1. Engine Start Procedure: For starting the engine, the H.P. cock should initially be closed.

19. Reheat and EPR: When reheat is used, Engine Pressure Ratio (EPR) remains constant.

22. Air Bleed and EGT: As air is bled off the engine, Exhaust Gas Temperature (EGT) will increase.

29. Reheat and Mass Gas Flow: When reheat is selected and in operation, the mass gas flow decreases.

38. Air Bleed and EGT (Repeat): As air is bled off the engine, Exhaust Gas Temperature (EGT) will increase.

Engine Components & Types

2. Clamshell Position: Clamshells are positioned 45º to the thrust line.

6. Anti-Icing Air Source: Air for anti-icing is taken from the H.P. compressor.

7. Centrifugal Compressor Impeller Types: The two types... Continue reading "Aircraft Turbine Engine Principles and Systems" »

Essential Vocabulary Definitions

Nouns: Objects, Structures, and Containers

Warehouse

A large building used for storing goods.

Jar

A container typically used for storing food.

Crate

A wooden box used for storing items.

Mantle

The structure situated above and around a fireplace (mantelpiece).

Trophy

The prize awarded for a victory or success.

Knob

A round handle.

Technical and Mechanical Terms

Screw

A pointed piece of metal that is turned to fix things.

Vent

A hole or opening that allows air to escape.

Duct

A tube or passage designed for air or wires.

Filing

A small particle of metal (often used in the plural: filings).

Flashlight

An electric torch.

Tweezers

A small pair of pincers used for picking up small objects.

Descriptive Terms and Adjectives

Chunk

A thick, solid

... Continue reading "Essential Vocabulary and Descriptive Terminology Reference" »