Cryptography

Threats are there from using information technology

Originally, important paperwork and confidential documents were stored in locked file cabinets so that even if someone did gain access to the room where the files were maintained, their access would be limited to a lock. Thieves that wanted to retrieve the information would need to break or bypass the lock to retrieve the information. […]

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Dozler Module

As we progress in our technological world where everyone is interested in the next phone or Samsung Galaxy, quantum computers are still moving forward. It seems that only computer “nerds” seem to care and understand this wonder. What if all of the theories, concepts, and everything else that makes up what quantum computers are and […]

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Computer Security Chapter 4

Each of the following is true about the Internet except: It is a local network of computers and networks. What is the format used to write World Wide Web pages? Hypertext Markup Language (HTML) A(n) ______ identifies the program or service that is being requested from a Web browser. port number Which of these protocols […]

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Network+ Domain 3: Network Security

Which of the following attacks is a form of software exploitation that transmits or submits a longer stream of data than the input variable is designed to handle? Buffer overflow A buffer overflow occurs when software code receives too much input than it was designed to handle and when the programmer of that code failed […]

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CISS 3360 FINAL

1. Matthew captures traffic on his network and notices connections using ports 20, 22, 23, and 80. Which port normally hosts a protocol that uses secure, encrypted connections? 22 2. Networks, routers, and equipment require continuous monitoring and management to keep wide area network (WAN) service available. True 3. Which mitigation plan is most appropriate […]

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Chapter 13 Network Pro practice exams

You have just purchased a new network device and are getting ready to connect it to your network. Which of the following should you do to increase its security? select two Apply all patches and updates Change default account password As a victim of a Smurf attack, what protection measure is the most effective during […]

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Presenting the Web’s Business Models

O’ Connor and Galvin (1998) state the term e-commerce can be used to describe any trading activity that is carried out over an electronic network such as the Internet. The Internet can be a catalyst to e-commerce by providing the necessary infrastructure. Consumers are more and more expecting web sites to help them do their […]

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CompTIA Security+ Domain 1 Practice

Which of the following is a firewall function? -Frame Filtering -Packet Filtering -FTF hosting -encrypting -Protocol conversion Packet Filtering You have worked as the network administrator for a company for seven months. One day all picture files on the server become corrupted. You discover that a user downloaded a virus from the Internet onto his […]

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Comptia Security+ Domain 1 Practice

Which of the following is a firewall function? -Frame Filtering -Packet Filtering -FTF hosting -encrypting -Protocol conversion Packet Filtering You have worked as the network administrator for a company for seven months. One day all picture files on the server become corrupted. You discover that a user downloaded a virus from the Internet onto his […]

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What kind of threats are there from using information technology

Originally, important paperwork and confidential documents were stored in locked file cabinets so that even if someone did gain access to the room where the files were maintained, their access would be limited to a lock. Thieves that wanted to retrieve the information would need to break or bypass the lock to retrieve the information. […]

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Accelerating growth of E-commerce market

With electronic currency system, each users maintains a e-cash account with e-cash member financial institution. Funding are converts into ‘digital coins’ by generating digital packets using digital cash algorithm. Digital coins will then be store into ‘digital wallet’ on the user’s workstation, which equipped with supporting software that acts like an ‘ATM machine’ to transfer […]

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ITN 262 Final Exam Review

Session Layer OSI layer that handles a set of transport connections used for a particular purpose. Data Link Layer OSI layer that manages the structure and content of data carried by the physical layer. Presentation Layer OSI layer that reformats host data to meet network-wide standards and vice versa. Physical Layer OSI layer that includes […]

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Chapter 7 – College Essay

You manage a network with a single switch. All hosts connect to the network through the switch. You want to increase the security of devices that are part of the accounting department. You want to make sure hat broadcast traffic sent by an accounting computer is only received by other accounting computers, and you want […]

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Comptia Security+ Domain 1 Practice Test Questions

Which of the following is a firewall function? -Frame Filtering -Packet Filtering -FTF hosting -encrypting -Protocol conversion Packet Filtering You have worked as the network administrator for a company for seven months. One day all picture files on the server become corrupted. You discover that a user downloaded a virus from the Internet onto his […]

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BUS 305 Chapter 7

1) The potential for unauthorized access is usually limited to the communications lines of a network. Answer: FALSE 2) Computers using cable modems to connect to the Internet are more open to penetration than those connecting via dial-up. Answer: TRUE 3) Wireless networks are vulnerable to penetration because radio frequency bands are easy to scan. […]

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Security Overview

The company network is protected by a firewall, an IDS, and tight access controls. All of the files on this protected network are copied to tape every 24 hours. The backup solution imposed on this network is designed to provide protection for what security service? Availability Which of the following is not a valid concept […]

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Measure Up Practice

Your network is protected from the Internet by a firewall. You are concerned about potential risks in the firewall protection. What should you do? Scan the firewall’s incoming ports with a port scanner. A server application produces plain text output. The output needs to be encrypted before being delivered to local and remote client computers. […]

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Security+ Chapter 1

A user copies files from her desktop to a USB Flash Drive & puts the device into her pocket. Which security goals is most at risk? Confidentiality Smart phones with cameras and Internet capabilities pose a risk to which security goal? Confidentiality By definition, which security concept ensures that only authorized parties can access data? […]

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Chapter 2 Security +

When a cryptographic system is used to protect the confidentiality of data what is actually protected? Unauthorized users are prevented from viewing or accessing the resource Which of the following is not a valid example of steganography? Encrypting a data file with an encryption key By definition which security concept ensures that only authorized parties […]

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Quantum computer

Quantum computers are deferent from digital superposition states. A theoretical model is the quantum Turing machine, also was first introduced by Yuri Main in 1980[2] and Richard Funnyman in 1982. 3][4] A quantum space-time in 1 of 2014 quantum computing is still in its infancy were executed on a very small number of cubits. [6]Both […]

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Internet Privacy – Has It Become Non-Existent?

During the past decade the technological advancements of the Internet has significantly changed the method of communications and access to Information for millions of users worldwide. First developed as a secure communications mode for the military during the height of the cold war era, the Internet has become as commonplace for Americans as the telephone […]

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Computer Security

Computer Security protection Computer security (also known as subjectivity or IT security) is information security as applied to computing devices such as computers and smartness, as well as computer networks such as private and public networks, including the whole Internet. The field covers all the processes and mechanisms by which digital equipment, information and a […]

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