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egoroff_w [7]
3 years ago
11

What is the name of the technology that is typically implemented on switches to avoid Ethernet connectivity problems when the wr

ong type of cable (straight or crossover) is used to connect devices?
Computers and Technology
1 answer:
Andrew [12]3 years ago
4 0

Answer:  Medium Dependent Interface Crossover (MDIX)

Explanation:

The technology that is typically implemented on switches to avoid Ethernet connectivity problems is Medium Dependent Interface Crossover(MDIX) For switches with Auto (MDIX) the connection is configured automatically and a crossover or straight-through cable can be used to connect two switches. When this MDIX interface is connected it corrects the connectivity speed and the cabling for proper device functionality.

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Find the propagation delay for a signal traversing the in a metropolitan area through 200 km, at the speed of light in cable (2.
Ede4ka [16]

Answer:

t= 8.7*10⁻⁴ sec.

Explanation:

If the signal were able to traverse this distance at an infinite speed, the propagation delay would be zero.

As this is not possible, (the maximum speed of interactions in the universe is equal to the speed of light), there will be a finite propagation delay.

Assuming that the signal propagates at a constant speed, which is equal to 2.3*10⁸ m/s (due to the characteristics of the cable, it is not the same as if it were propagating in vaccum, at 3.0*10⁸ m/s), the time taken to the signal to traverse the 200 km, which is equal to the propagation delay, can be found applying the average velocity definition:

v = \frac{(xf-xo)}{(t-to)}

If we choose x₀ = 0 and t₀ =0, and replace v= 2.3*10⁸ m/s, and xf=2*10⁵ m, we can solve for t:

t =\frac{xf}{v}  =\frac{2e5 m}{2.3e8 m/s} =8.7e-4 sec.

⇒ t = 8.7*10⁻⁴ sec.

4 0
3 years ago
Write a program that will ask the user to enter the amount of a purchase. The program should then compute the state and county s
iVinArrow [24]

Answer:

purchase_amount = float(input("Enter the amount of a purchase: "))

state_sales_tax = purchase_amount * 0.05

country_sales_tax = purchase_amount * 0.025

print("The amount of the purchase is " + str(purchase_amount))

print("The state sales tax is " + str(state_sales_tax))

print("The county sales tax is " + str(country_sales_tax))

print("The total sales tax is " + str(state_sales_tax + country_sales_tax))

print("The total of the sale is " + str(purchase_amount + state_sales_tax + country_sales_tax))

Explanation:

*The code is in Python.

Ask the user to enter purchase amount

Calculate the state sales tax, multiply purchase amount by 0.05

Calculate the county sales tax, multiply purchase amount by 0.025

Calculate the total sales tax, sum the state sales tax and county sales tax

Print the amount of the purchase, state sales tax, county sales tax, total sales tax and  total of the sale

7 0
3 years ago
Suppose I have two DFAs D1, D2 and I perform the product construction on them to get a DFA for the union of their languages. Wha
Musya8 [376]

Answer:

Explanation:

If L(D1) = L(D2), the D has every state being final

If L(D1) = L¯(D2), the D has every state being final

If L(D1) = ∅, then L(D) = L(D2).

If L(D1)=Σ, L(D) = L(D2)

8 0
3 years ago
6. Choose the TWO conditions that could be used for an IF-statement, without a compile-time error. Assume variable str is a Stri
KengaRu [80]

Answer:

  1. 4 ==5
  2. "six"== 6

Explanation:

3 0
3 years ago
After machine language, what is the next most basic type of programming language, which still uses many length strings of numera
solniwko [45]
Basic would be the most basic lanauge. It was created in M.I.T. and was one of the first programming lanauges.
7 0
3 years ago
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