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4 years ago

If you ping a device, you are using the __________ protocol.

Computers and Technology

2 answers:

geniusboy [140]4 years ago

7 0

Internet Control Messaging Protocol

If you use the -T switch, it'll be TCP

Anika [276]4 years ago

4 0

Answer:

Internet Control Message Protocol(ICMP)

Explanation:

If you ping a device, you are using the INTERNET CONTROL MESSAGE PROTOCOL (ICMP).

Ping works by sending Internet Control Message Protocol (ICMP) in which it send data packet request to the target host and then wait for an ICMP echo reply making you to have connection and is also a tool use to test if a host is available or if a computer is connected to a server.

Ping command can be used to test the availability of a networking on a network and to check the network error.

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3 years ago

8. Which of the following is an output device

Fynjy0 [20]

<h2>Hey there!</h2>

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2 years ago

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3 years ago

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3 years ago

Prove whether each argument is valid or invalid. First find the form of the argument by defining predicates and expressing the h

SSSSS [86.1K]

Answer:

The given argument ∀x (S(x) ∧ (M(x) V D(x)) --> ¬ A(x)) ∧ S(Penelope) ∧ A(Penelope) -->¬ D(Penelope) is valid.

Explanation:

Solution:

Let us Consider following predicates:

M(x): x missed the class

D(x): x got a detention

S(x): x is a student in the class

A(x): x got an A

Now,

We Express the hypotheses and conclusion as:

The hypotheses: ∀x (S(x) ∧ (M(x) V D(x)) --> A(x)) and S(Penelope) and A(Penelope)

So,

The Conclusion: D(Penelope)

Thus,

The Argument:

∀x (S(x) ∧ (M(x) V D(x)) --> A(x)) ∧ S(Penelope) ∧ A(Penelope) -->D(Penelope)

Then,

The given argument is valid or correct and prove using the inference rule as follows:

Step Premises Reason (Rule used)

1. ∀x (S(x) ∧ (M(x) V D(x)) --> A(x)) Premise

2. S(Penelope) ∧ (M(Penelope)

V D(Penelope)) --> ¬ A(Penelope) Universal instantiation

3. S(Penelope) Premise

4. A(Penelope) Premise

5. ¬[S(Penelope) ∧ (M(Penelope)

V D(Penelope))] 2,4, Modus Tollens

6. ¬S(Penelope) V (¬M(Penelope)

∧ ¬D(Penelope)) De Morgan law

7.¬M(Penelope) ∧ ¬D(Penelope) 3,6,Disjunctive Syllogism

8¬D(Penelope) 7, Simplification

Therefore, the given argument ∀x (S(x) ∧ (M(x) V D(x)) --> ¬ A(x)) ∧ S(Penelope) ∧ A(Penelope) -->¬ D(Penelope) is valid.

3 0

4 years ago

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