Computer Networks and the Internet

Adding a new block to a block chain

1. A transaction must take place 2. Transaction verification 3. Transaction storage 4. Adding a hash

platform

A Cloud-based computing model where Cloud service providers offer hardware and software tools need for application/software development via the Internet is called_____________ as a Service. These vendors host the hardware and software needed for development on their own infrastructure that removes the need for developers to install this on their own devices

network

A group of two or more devices/computers connected together to allow for the exchange of information and for the sharing of resources is call a _____.

Quality Assurance

Blockchain can be used to trace mistakes and errors in manufacturing back to the point of origin.

Community Cloud

Cloud infrastructure for exclusive use by a specific community of consumers from organizations that have shared concerns (mission, security requirements, policy and compliance)

Private Cloud

Cloud infrastructure is provisioned for exclusive use by a single organization comprising multiple consumers, e.g., business units)

Does the vendor go through regular security audits? Does the vendor have any specific security certifications? What type of disaster plans are in place?*

Cloud services security policies vary by Cloud provider, so it's important to research policies before signing a service level agreement (SLA). Some important questions to ask a vendor about Cloud services security include which of the following?

Project Management Capabilities

Collaboration software allows project leads the ability to create the plan and schedule and share this with all members of the team.

Coaxial cables Ethernet cables Fiber optic cables

Common methods to connect a LAN to the Internet include which of the following?

WAN (Wide-Area Network)

Connects a variety of devices between two or more remote geographic locations.

LAN (Local Area Network)

Connects a variety of devices for a single site such as an office or retail store.

PAN (Personal Area Network)

Connects devices around an individual. These typically involve smartphones linked to laptops, tablets, and Bluetooth devices

Internet

Connects multiple networks together

Mobile Switching Station

Controls all the transmissions between cellular phone towers and their base transceiver stations.

Internet

Controls the movement of packets throughout the network

Bitcoin

Created in 2008, ___________remains the most widely traded and respected cryptocurrency. No one truly knows who created it, but the creator of the cryptocurrency goes by the pseudonym Satoshi Nakamoto.

Ethereum (ETH)

Created in 2015, ___________is the second most valuable cryptocurrency after Bitcoin. Its cryptocurrency is called an Ether.

Transport

Divides data into packets and acknowledges the packets have been received

Collaboration

Enables organizations to communicate and share data/information more efficiently. Collaboration is facilitated because multiple users can share and work on files at the same time

Improved Engagement

Engaging remote employees can be a challenge. Collaboration software helps to create engagement by allowing remote and organization-based employees the ability to exchange and interact.

Smart TVs Smart Speakers Home Security Cameras

Examples of Internet of Things (IoT) devices include which of the following?

IPv4

Four-decimal notation such as 182.124.7.9. This allows for approximately 4 billion IPv4 addresses.

Content

Geographically distributed network server groups that work together to deliver more efficient delivery of Internet and Web content are called __________Delivery Networks (CDN).

Network Access Layer

Handles the physical parts of sending and receiving data. Data can be sent via wireless networks, Ethernet cable, network interface cards (NIC), etc.

Static IP address

IP address that are permanently assigned.

interface

In order to connect to the Internet and other computers on a network, each device must have a network __________ card (NIC) installed

Internet

In the broadest sense, the ________________of Things refers to everything connected to the Internet. It allows billions of devices to be connected to the Internet and is increasingly being used to define objects connected to the Internet that talk to each other including sensors, wearable technology, and smartphones

decrease

Large and small businesses find they can ___________ their reliance on internal IT infrastructure and reduce cost by utilizing Cloud-based technologies

Disaster Recovery

Makes data backup and recovery easier because critical data are stored offsite and in multiple locations

Faster Connection/Data Transfer Speeds

Networks will support 500 mbps to 10 Gbps of download speed. Speeds vary by location and carrier. At the top end, that's over 100 times the speed of 4G

Amazon Web Services (AWS)

Offers a broad set of global Cloud-based products including compute, storage, databases, analytics, networking, mobile, developer tools, management tools, IoT, security, and enterprise solutions.

Kamatera Performance Cloud

Offers a range of flexible Cloud infrastructure services including Cloud servers, cloud block storage, private cloud network, cloud firewall, and fully managed Cloud.

Google Cloud

Offers a suite of modular Cloud computing services including data storage, data analytics, computing, and machine learning. Google also offers serverless computing, IaaS, and PaaS.

Salesforce

Offers cloud solutions for Customer Relationship Management (CRM) and Enterprise Resource Planning (ERP).

Lower Latency

On 4G networks, the time that passes when a device is asked to perform a task to when it is completed is between 40-50 milliseconds. It is estimated 5G can reduce this by 75%

Better Communication

People from across the organization, regardless of their physical location, can share content in real-time including documents, spreadsheets, videos, and messages.

Cloud Security Services Systems

Policies, procedures, controls, and hardware that work together to ensure systems are secure are some of the advantages of using ___

Cost Savings

Reduces expenditures on IT infrastructure and hard disk space

Streamlined Workflow

Scheduling activities can easily be added and updated in the software. Remote team members are actively engaged in workflow, duties, and processes due to the real-time nature of the software

The connections points in the Internet are called nodes. Data is transferred from one network to another network through hardware called routers. Data on the Internet is usually stored on specialized computers called servers.

Select all of the characteristics of that explain how the Internet works.

IaaS helps organizations avoid the cost of acquiring and managing their own physical servers and datacenter architecture. IaaS is an instant computing infrastructure composed of processing, data storage, and a variety of other computing resources provided by a cloud vendor.

Select the correct statements about Infrastructure as a Service (IaaS).

Hybrid Cloud

The Cloud infrastructure is a composition of two or more distinct Cloud infrastructures that remain unique entities but are bound together by standardized or proprietary technology.

Public Cloud

The Cloud infrastructure is provisioned for open use by the general public. It may be owned, managed, and operated by a business, academic, or government organization, or some combination of them.

Monetary Transactions

The encryption used in Blockchain makes it ideal for monetary transactions. Also, blockchain eliminates the need for banks to handle monetary transactions.

Application

The group of applications that require network communication and are used by people to facilitate communication. These include email and messaging applications

hash

The name "Blockchain" refers to how data are stored using this technology. Blockchain stores transaction data in blocks. Each block in the blockchain contains a _____ that is a digital fingerprint or unique identifier that helps to create secure transactions.

5

The next generation of mobile connectivity that will provide faster data transfer speeds and enhanced connection reliability. Is called ______________G. It is the fifth-generation wireless technology for digital cellular networks that began wide deployment in 2019.

2.0

The second-generation Internet which is based on interactivity and dynamic content and allows people to collaborate and share information online.is called Web

IPv6

Uses a format such as 2001:0db8:85a3:0000:0000:8a2e:0370:7334 and can accommodate at least 340 undecillion addresses

Communication

Using collaboration software, people can share content in real-time including documents, spreadsheets, videos, and messages. This leads to better __,

VPN software authenticates the users and establishes a secure connection. A VPN creates a secure connection between two computers. Used by organizations whose employees need access to a company network remotely.

Virtual Private Networks (VPNs) are commonly used by organizations to securely send communications.

IoT Ubiquitous computing Saas

Web 3.0 is the next evolution in the development of the World Wide Web and is built to support a variety of applications and services including:

Markup

Web services are a set of software technologies that are able to exchange information with each other using standardized web communication protocols and languages. One of the technologies on which web services are based is XML. XML stands for Extensible ___________ Language

It is not issued by a central bank. Its value depends largely on the supply and demand for it. It is not backed by any assets.

What are the characteristics of cryptocurrency?

It has a fluctuating price. It is not portable.

What are two characteristics of cryptocurrency? Multiple select question.

It can provide virtual applications software. Broad network access There is significant storage capacity.

Which of the following are benefits of Cloud computing?

Local area network (LAN) Personal area network (PAN) Wide area network (WAN)

Which of the following are considered a basic type of computer network?

Web services can be used to create apps that link different systems of different organizations and to build open-standard based web applications. Web services are a set of software technologies that are able to exchange information with each other using standardized web communication protocols and languages. Web services allow for the exchange of information between two systems and are not tied to any one operating system or programming language.

Which of the following are correct statements about web services?

Google apps Microsoft Office 365 Smartsheet

Which of the following are examples of Software as a Service (Saas)?

Analog-Digital Converter (ADC)

Allow smartphones to receive an analog sound wave, such as a person's voice, and convert it to a digital signal that can be processed and stored by a computer.

.CDNs are geographically distributed network server groups that work together to deliver web pages and other web content to users. PoPs include various caching servers that assist in delivering content to website visitors within its operational proximity. CDNs provide more efficient delivery of Internet and Web content because the closer the CDN server is to the user geographically, the faster the content will be delivered.

Select the true statements about Content Delivery Networks (CDN)

protocol

The number that is assigned to all information technology devices (routers, modems, etc.) which identifies the device and allows the device the ability to communicate with each other on a computer network, including the Internet is called an Internet _______ address

Folksonomy

There are four key features of Web 2.0. One key feature allows users to collectively determine the classification of information. For example, tagging of websites, images, videos, and links. This key feature is called:

Flexibility

There are many benefits of Cloud computing. One benefit of cloud computing is _____ that allows for the access of data, files, and programs when you are off-site or at home via web-enabled devices.

Base Transceiver Station (BTS)

Transmits cell phone signals to the cellular system's mobile switching station

Provide an Internet Protocol (IP) address Provide access or a gateway to the resources on the Internet Your ISP pays for access to the Internet

Which of the following functions are provided by an Internet Service Provider (ISP)?

Service

A Cloud-based service offered by vendors and hosted on a vendor's cloud that allows users to access a software application using a web browser and Internet connection is referred to as Software as a _________

Slack

A collaboration hub that aims to replace email and make communication seamless. This software is composed of channels where teams and members of the organization can communicate

Tello

A collaboration tool that organizes projects into boards. This creates a visual representation of what's being worked on, who's doing the work, and where something is in a process.

Cloud

A computing model where processing, storage, software, applications, and a variety of services are provided over a network, mainly access via the Internet is called ____________ computing

Digital Signal Processor (DSP)

A small computer within your smartphone that analyzes the sounds entering your phone through the analog/digital converter

private

According to the National Institute of Standards and Technology (NIST) there are four Cloud computing deployment models.___________ Cloud is a Cloud deployment model where Cloud infrastructure is provisioned for exclusive use by a single organization comprising multiple consumers, e.g., business units). It may be owned, managed, and operated by the organization, a third party, or some combination of them, and may exist on or off premises.

Domain Name System (DNS)

Allows IP addresses to be translated in to recognizable words which are much easier to remember than a set of numbers.

Greater Capacity

Allows for more high-demand devices to connect over single network. This means more people can transmit data at the same time.

Flexibility

Allows for the access of data, files, and programs when you are off-site or at home via web-enabled devices

Infrastructure

An online computing structure composed of processing, storage, other computer resources is referred to ___ (IaaS)

Smartsheet

An online project management software solution. This software focuses on the collaborative aspects of project management. You can create web forms and sheets (similar to a spreadsheet).

Supply Chain Management

Blockchain allows shippers and customers to verify with almost absolute certainty where items and goods are along the supply chain thus removing guesswork and inefficiencies.

Business Contracts

Blockchain makes changing any information in a contract almost impossible. This proves to be advantageous for businesses that are dealing with multiple contracts.

A suite of communication protocols (standards/rules/guidelines) used to connect devices to the Internet Used as a private network communications protocol for private networks including intranets and extranets Covers how software applications communicate across networks and how data packets are assembled and reassembled once they reach their destination

Select all of the correct statements about Transmission Control Protocol/Internet Protocol.

5G connectivity will greatly improve what businesses and individuals can do with connected devices. 5G connectivity has the potential to create truly connected cities. 5G networks may eventually allow for autonomous vehicles to safely interact with each other and their environment.

Select the potential applications/benefits of 5G networks.

Devices connect to the Internet or a network using network cables or wireless technologies. Each device connecting to the Internet or a network must have a network interface card (NIC) installed. Modems and routers are connected to the Internet via an Internet Service Provider (ISP).

Select the true statements about sending information on the Internet.

Devices connect to the Internet or a network using network cables or wireless technologies. Modems and routers are connected to the Internet via an Internet Service Provider (ISP). Each device connecting to the Internet or a network must have a network interface card (NIC) installed.

Select the true statements about sending information on the Internet.

Computer networks support many different software applications Networks range in size from small home networks to the Internet, which is the world's largest network A network is a group of two or more devices/computers connected together

Select what is true about computer networks

70% of global businesses backup some portion of their data using a Cloud service provider. 93% of small businesses backup some portion of their data using a Cloud provider. In the United States, 96% of all organizations use the Cloud in one form or another.

Select what's true about Cloud computing in today's business environment.

5G connectivity will allow for faster connection speeds, greater data capacity, and lower latency. 5G connectivity will allow for lower latency. 5G connectivity will allow for greater data capacity.

Select what's true about how 5G connectivity will support IoT.

Blockchain

Serving as the technology behind cryptocurrencies such as Bitcoin, __ provides a level playing field for all users.

Provide mobile software development kits (SDKs) that assist in app development. Hosting of hardware and software Multi-language program development

Which of the following services are often provided by Platform as a Service (PaaS) vendors.

Limited Control

While there are many benefits of Cloud computing, there are also some disadvantages. One of the disadvantages is __. Cloud infrastructure is owned, managed, controlled, and monitored by the Cloud service provider. This means the customer often has little control over Cloud service processes and procedures.

downtime

While there are many benefits of Cloud computing, there are also some disadvantages. One of the disadvantages is____________ . This can occur because of maintenance, system/mechanical failure, natural disasters, and outside intrusions/attacks.