telecommunications

I’m stuck on a Computer Science question and need an explanation.

I need a response to the below two students response. Each response should be at least 150 words, APA format.

Student one:

What is the difference between a physical network and a logical network?

Networks are comprised of various components working together to create both physical, and logical structures, which work together to provide the necessary level of service expected by the user. The differences between the physical and logical constructs are pretty obvious. The physical topology of a network refers to the physical connections, i.e. the wires and cables used to create a physical link between devices or structures. (PCMag, 2020) The logical topology is how the devices appear to be connected to the user, or in other words, how the data within the system flows between various nodes, somewhat independent of the physical cabling itself. (Munezero, 2019)

What is a security control?

When talking in terms of security, assets, risks etc, the subject of a security control is likely to come up. Security controls are essentially those countermeasures used to reduce risk to a stake holder. A more granular look at the term might reveal that there are certain sub-categories within the overall umbrella of security controls, such as physical controls (i.e. CCTV system), technical controls (i.e. encryption) and administrative controls (i.e. onboarding/offboarding procedures). (MIT, 2020) As a whole, though, the various safeguards and countermeasures put in place to reduce the likelihood of a negative or unwanted event or outcome would adequately define “security controls”.

MIT. (2020). 1.2. Security Controls. Retrieved from https://web.mit.edu/rhel-doc/4/RH-DOCS/rhel-sg-en-4/s1-sgs-ov-controls.html

Munezero, D. (2019, July 3). Difference Between Physical and Logical Topology (with Comparison Chart). Retrieved from https://techdifferences.com/difference-between-physical-and-logical-topology.html

PCMag. (2020). Definition of logical vs. physical topology. Retrieved from https://www.pcmag.com/encyclopedia/term/logical-vs…

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