bmis terms part 2

client side

runs in browser

server side

Runs on server.

Relative

based on current location

absolute

full path or URL.

TCO(total cost ownership)

Total direct and indirect costs.

Pros of cloud services

Scalability, cost-effective

ER Diagrams

Visual representation of database entities and relationships.

Primary Keys

Unique identifiers for table entries.

SQL

Language for database management and queries.

Poka Yoke

Design processes to prevent mistakes.

Sources of Data

Databases and logs.

Neural Networks/Machine Learning

AI systems that learn from data.

Push publishing

sent to user automatically

Pull publishing

user requests info.

Big data

Extremely large data sets analyzed for trends.

risk vs cost curve

Balance between security investment and risk.

CIA Triad

Confidentiality, Integrity, Availability.

Ways to Respond to Risk

Avoid, Accept, Transfer, Mitigate.

4 A’s of Risk

Authentication, Authorization, Accounting, Auditing.

Replication

live copy

Backups

saved data snapshots.

Synchronous replication

instant write to all nodes

asynchronous treplication

delay in replication.

RTO( recovery time objective)

Maximum allowable downtime.

RPO (Recovery Point Objective)

Maximum acceptable data loss (in time).

DDoS:

Multiple computers overwhelming a server.

SQL Injection

It's a security vulnerability that allows unauthorized access to or manipulation of data by entering harmful input.

Brute Force

Trying many username/password combinations.

Man-in-the-Middle

Fake site intercepting user data.

social Engineering:

Tricking people to gain access.

Private/Public Key Encryption

Encrypt with public key, decrypt with private key.

PCI Compliance

Secure handling of credit card information.

Risk Maps

Visual tools plotting risks by likelihood and impact.

Infrastructure/Operations

Backend support like servers and networking.

Development

Programmers building software.

Business

Process improvement, project management.

Security

Cybersecurity and auditing.

Support

Help desk and technical support services.

ITIL

Framework for IT service management, not strict rules.

service catalog

Menu listing available IT services.

KMS (Knowledge Management System)

Documented solutions for tech issues.

SOP (Standard Operating Procedure)

Step-by-step process instructions.

CAB (Change Advisory Board)

Reviews/approves IT changes.

RACI Charts

Define who is Responsible, Accountable, Consulted, and Informed.

CMDB (Configuration Management Database)

Database of IT assets and configurations.

Incident Request

problem to fix

Service request

something user asks for.

Problem Management

Finding and solving recurring IT issues.

IaaS (Infrastructure as a Service)

Renting basic IT resources like servers, storage, and networking.

PaaS (Platform as a Service)

Renting a platform where you can build and run your apps without managing servers.

SaaS (Software as a Service)

renting ready-to-use software over the internet.

SLA (Service Level Agreement)

A contract between a service provider and a customer that defines expected service levels (like uptime, response time).

OLA (Operational Level Agreement)

An internal agreement between parts of a company that support the SLA.

Page/Swap Files

Used when RAM fills up — moves data temporarily to hard disk.

CapEx (Capital Expenditure)

Big, upfront purchases for assets you own long-term.

OpEx (Operating Expenditure)

Ongoing expenses you pay as you go.