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I’m studying and need help with a English question to help me learn.

Layer 1 – The Physical Layer

The physical layer defines the electrical, mechanical, procedural, and functional specifications for activating, maintaining, and deactivating the physical link between end systems. Characteristics such as voltage levels, timing of voltage changes, physical data rates, maximum transmission distances, physical connectors, and other attributes are defined by physical layer specifications. The physical layer is vulnerable to wire taps and reconnaissance. Fiber media is much more secure, but both copper and fiber media are vulnerable to cutting. This type of vandalism can bring down hosts, segments, and entire networks. Also, power instabilities, natural disasters, and severe storms can affect network devices to the extent that they can become inoperative (see Appendix on Physical Security).

Layer 2 – The Data Link Layer The data link layer provides reliable transit of data across a physical link. The data link layer is concerned with physical, as opposed to logical addressing, network topology, network access, error notification, ordered delivery of frames, and flow control. Frame-level exploits and vulnerabilities include sniffing, spoofing, broadcast storms, and insecure or absent virtual LANs (VLANs, or lack of VLANs). Network interface cards (NICs) that are misconfigured or malfunctioning can cause serious problems on a network segment or the entire network.

Layer 3 – The Network Layer The network layer provides connectivity and path selection between two host systems that may be located on geographically separated networks. Packet-level exploits include ping scans, sniffing, DoS, Address Resolution Protocol (ARP) poisoning, nuking, ping of death, and spoofing. DDoS attacks such as SMURF, Stacheldraht, and TFN are especially dangerous to target networks and devices.

Layer 4 – The Transport Layer The transport layer segments data from the sending host system and reassembles the data into a data stream on the receiving host system. In providing communication service, the transport layer establishes, maintains, and properly terminates virtual circuits. In providing reliable service, transport-error detection-and-recovery and information flow control are used. The transport layer is especially vulnerable to an attack. Many applications and protocols use well-known TCP and User Datagram Protocol (UDP) ports that must be protected. This is analogous to locking the door but leaving all the windows wide open. These windows must also be closed or secured. Segment-level attacks such as DoS, spoofing, and hijacking can be performed. Numerous port scanners are available to perform reconnaissance on a host or network.

Layer 5 – The Application Layer Application layer attacks can be implemented using several different methods. One of the most common methods is exploiting well-known weaknesses in software commonly found on servers, such as Send mail, Hypertext Transfer Protocol (HTTP), and File Transfer Protocol (FTP). By exploiting these weaknesses, hackers can gain access to a computer with the permission of the account running the application, which is usually a privileged system-level account. These application layer attacks are often widely publicized in an effort to allow administrators to rectify the problem with a patch. Unfortunately, many hackers also subscribe to these same mailing lists, a scenario that results in their learning about the attack, if they have not discovered it already. The primary problem with application layer attacks is that they often use ports that are allowed through a firewall. For example, a hacker executing a known vulnerability against a Web server often uses TCP port 80 in the attack. Because the Web server delivers pages to users, a firewall must allow access on that port. From the perspective of the firewall, it is merely standard port 80 traffic. Application layer attacks can never be completely eliminated. New vulnerabilities are always being discovered and publicized to the Internet community. Driven by the demands of the Internet market, companies continue to release software and hardware with many known security issues and bugs. Furthermore, users continue to make security difficult by downloading, installing, and configuring unauthorized applications that introduce new security risks at an alarming rate.Case Study – Power point presentation
I’m working on a Powerpoint exercise and need support.

Assignment:

Uber is growing at an extremely fast pace, and we are on-boarding and managing thousands of Customer Support Representatives all over India, specifically in our Centers Of Excellence (COEs).

Consider that there is a Global Program which has to be deployed to 1000 people and the duration for training is 8 hours, the timeline for the deployment is 3 months. How would you create a deployment plan for execution keeping effectiveness in mind.

Instruction:

•Structure your thinking and prioritize your propositions

•Put in place an effective management structure geared towards action

•Present your project and your solutions high-level

•Produce high-quality and insightful deliverable’s

Presentation Slide criteria:

•Clarity

•Content Relevancy

•Learning Strategy

•Solution

•Conciseness

The Power point shouldn’t be more than 10 slides excluding the title and appendix page.PHI 205 The concept of tian occurs in both Confucianism and Taoism: nursing coursework help
Help me study for my Philosophy class. I’m stuck and don’t understand.

The concept of tian occurs in both Confucianism and Taoism, but means slightly different things to each. In two solid, well written paragraphs, explain the mean of tian within each tradition. If you use our textbook as souce, no need for a bibliography or works cited page. If you use any additional resources, please cite accordingly.

This assignment contributes to the following learning outcomes, among others.

1. read, write and speak critically and effectively about religious issues.

2. work maturely with diverse and conflicting religious views.

1. identify the basic ideas, practices and institutions of five or more different religions

8. analyze similarities and differences between religions and within the varieties within each religion studied.Paraphrase this paragraph: my nursing assignment help
I’m working on a English exercise and need support.

Honeypots are cyber systems and processes set up to appear operational to collect information on threat behavior and vectors. Real or simulated systems and processes are configured to appear as if they are real systems, often with vulnerabilities. Internal honeypots can provide high-value warnings of internal malware or attackers. While an internet-facing honeypot will be frequently compromised, internal honeypots should never become compromised. If this happens, it usually means that other preventive and detective controls, such as firewalls and IDSs, have failed.Complete Business Policy Discussions (MORGAN)
I’m studying and need help with a Business question to help me learn.

1:

Take a look at these two sites location. What do you think. Share your thoughts.

Is this a reversal of fortunes that requires a change or a market shift.

http://www.forbes.com/sites/panosmourdoukoutas/201…

http://www.msn.com/en-us/money/companies/mcdonalds…

2:

Describe the five generic strategies.

Which of the five strategies do you consider to be strategically more robust?

Which is the most commonly implemented/used and why?

3:

The Consumer Product Safety Commission announced a recall of 1 million Samsung Galaxy Note 7 smartphones 2016, calling the devices “serious fire and burn hazards.”

This a current headline on what is happening to Samsung. Given this turn of events is Samsung acting responsibly? What do you think will be the long term impact to the company as consumers begin to react to this news and the potential danger posed by there phones? Given the critical issue at hand how should competitors react/act? Is this an opportunity to gain market share?

The company is having similar issues with its Note 8. But, is expect to sell lots of newer models in 2018.

HP is recalling Laptops for Battery issues beginning 2018

https://www.tweaktown.com/news/60347/samsung-expects-sell-320-million-smartphones-2018/index.html

http://money.cnn.com/2016/09/15/technology/samsung-galaxy-note-7-cpsc/index.html

https://www.theinquirer.net/inquirer/news/3023884/hp-recalls-even-more-laptop-batteries-because-you-know-fire

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