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3 years ago

The Wired Equivalent Privacy standard had what significant disadvantage?

2 answers:

8 0

Answer: Wired Equivalent Privacy (WEP) has the major disadvantage of having a shared key of encryption for all the clients.

Explanation: Wired Equivalent Privacy (WEP) is the protocol for providing the security to the WiFi and other network of 802.11 standard. It secures the data in by the method of encryption.Though it has a drawback that it encrypts the the data in shared key form and it has most chances of not able to change the key which is not a convenient feature for the clients.

Ivanshal [37]3 years ago

6 0

Answer:

Wired equivalent privacy standard has the significant disadvantages as, it is uses the static encryption keys. Wired equivalent privacy are the security and the privacy protocol which are used for designing the wireless local area network. And the static encryption key are used to set up the router for encrypting the packet in the device. The main disadvantage is that it enables the MAC address and it is easily detectable by the hackers.

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Recall that with the CSMA/CD protocol, the adapter waits K. 512 bit times after a collision, where K is drawn randomly. a. For f

julia-pushkina [17]

Complete Question:

Recall that with the CSMA/CD protocol, the adapter waits K. 512 bit times after a collision, where K is drawn randomly. a. For first collision, if K=100, how long does the adapter wait until sensing the channel again for a 1 Mbps broadcast channel? For a 10 Mbps broadcast channel?

Answer:

a) 51.2 msec. b) 5.12 msec

Explanation:

If K=100, the time that the adapter must wait until sensing a channel after detecting a first collision, is given by the following expression:

Tw = K*512* bit time

The bit time, is just the inverse of the channel bandwidh, expressed in bits per second, so for the two instances posed by the question, we have:

a) BW = 1 Mbps = 10⁶ bps

⇒ Tw = 100*512*(1/10⁶) bps = 51.2*10⁻³ sec. = 51.2 msec

b) BW = 10 Mbps = 10⁷ bps

⇒ Tw = 100*512*(1/10⁷) bps = 5.12*10⁻³ sec. = 5.12 msec

5 0

3 years ago

Information that's been collected to help solve a problem is called

Butoxors [25]

Answer:

Data is the correct answer

5 0

2 years ago

On a keyboard num lock and caps lock are both toggle keys. a. True b. False

tekilochka [14]

The answer is a) True

6 0

3 years ago

What is pure substance

nlexa [21]

Answer:

i don't know

Explanation:

I don't understand

4 0

2 years ago

Given three dictionaries, associated with the variables, canadian_capitals, mexican_capitals, and us_capitals, that map province

Nookie1986 [14]

Answer:

The Python code to combine the three dictionaries are is given as follows:

canadian_capital = {
cash: "SOME VALUES",
assets: "SOME VALUES"
}
mexican_capital = {
cash: "SOME VALUES",
assets: "SOME VALUES"
}
us_capital = {
cash: "SOME VALUES",
assets: "SOME VALUES"
}
nafta_capital = {
canadian: canadian_capital,
mexican : mexican_capital,
us: us_capital
}

Explanation:

Line 1 - 14 :

Create three Python dictionaries and name them as canadian_capitals, mexican_capital and us_capitals. Please note a Python dictionaries should be enclosed in curly braces { }.

We just define two samples of relevant keys (cash and asset) in each of the dictionaries. Python dictionary can map a key to a value.

Since we are not given any capital values from the question, a dummy string "SOME VALUES" is tentatively set as the value for each of the keys.

In practice, we should replace those dummy strings with the real values of capital. The values can be a number, a string, a list and even a nested dictionary.

Line 16 - 20 :

Create one more Python dictionary and name it as nafta_capital.

Since our aim is to combine the three previous dictionaries (canadian_capitals, mexican_capital and us_capitals) and associate it with nafta_capital, we can define three different keys (canadian, mexican and us) in our dictionary nafta_capital.

As mentioned, a value associated with a key can be a nested dictionary. Hence, we just map canadian_capitals, mexican_capital and us_capitals as the value of the keys (canadian, mexican and us) in dictionary nafta_capital, respectively,

By doing so, we have managed to combine three target dictionaries (canadian_capitals, mexican_capital and us_capitals ) into a single dictionary, nafta_capital.

4 0

3 years ago