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Veronika [31]
3 years ago
6

3. Describe what a pre-processor does in a network-based IDS tool such as Snort. Demonstrate your understanding of this function

ality by citing two examples of pre-processors and explaining what they contribute to the process of network traffic analysis and intrusion detection.
Computers and Technology
1 answer:
MrRissso [65]3 years ago
8 0

Answer:

Pre-processors look at organize traffic and screens parcel transmissions by examining andreassembling divided data.Frag2:preprocessor that battles against IP fracture attacks.Attackers sends a fragmentedTCP bundle with header data that gets entrance through a firewall.At the equivalent time,other parcels with vindictive information "slip" by the firewall undetected because of the fragmentationbeing so little by overwriting the header information.The frag2 pre-processor is specificallydesigned to break down bundle discontinuity to search out noxious information in the sections, which iswhy this pre-processor ought to never be turned off.Stream4:preprocessor Snort uses to coordinate assault marks over numerous packets.Anattacker endeavors to send different parcels into the system conveying parts of the attackpayload which are required to be reassembled by the host so as to start an attack.Stream4 stores the bits of the mark until all bundles are transmitted.Once they are alltransmitted, Stream4 finishes the signature and an alarm is created.

Explanation:

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When might an lcd monitor experience distorted geometry?
horsena [70]

The time when an LCD monitor is experiencing distorted geometry is when there is a presence of the screen into having a display that is not set on the resolution that is supposed to be in native, this is indicative that it is experiencing distorted geometry.

7 0
3 years ago
What set of code correctly initializes all elements of the array ar to the value 0, given the declaration
Veronika [31]

Answer:

The correct answer is:

C. ndx = 0;

while (ndx < 3) {

ar[ndx] = 0;

ndx++;

}

Explanation:

The declaration given is:

int ar[3];

This means the array consists of three locations and is named as ar.

We know that the indexes are used to address the locations of an array and the index starts from 0 and goes upto to 1 less than the size of the array which means the indexes of array of 3 elements will start from 0 and end at 2.

Now in the given options we are using ndx variable to run the while loop.

So the code to assign zero to all elements of array will be

ndx = 0;

while(ndx<3)

{

ar[ndx] = 0;

ndx++;

}

Hence, the correct answer is:

C. ndx = 0;

while (ndx < 3) {

ar[ndx] = 0;

ndx++;

}

7 0
2 years ago
How many terabytes is a 128 gigabyte SD memory card
Maksim231197 [3]

Answer:

this would be .128 terabytes

Explanation:

This would be since for a whole terabyte you need 1000 gigabytes every 1000 gigabytes is a terabyte for example let’s say you have 5250 gigabytes you would have 5.250 terabytes that simple hope this helped!

4 0
2 years ago
Read 2 more answers
_______is a term which describes how the operating system will interrupt the execution of an application when an application of
a_sh-v [17]

Answer:

scheduling

Explanation:

Scheduling- it is referred to as assigning a task to complete the goal or work on time. he works can include data flow, processing of data, etc.

There are two main types of scheduling

1) Preemptive process

2) Non- preemptive process

Preemptive process -  in this process, priority is given to important tasks rather than less important tasks. the current task can be held for an important task

Non-preemptive process -  It is referred to that process when the predefined schedule follows. In this  process, next task executed only when current task finish

6 0
3 years ago
In which method of encryption is a single encryption key sent to the receiver so both sender and receiver share the same key?
mars1129 [50]

Answer:

B. Symmetric key encryption

Explanation:

Symmetric key encryption is one in which a single encryption key is sent to the receiver so both sender and receiver share the same key. In this type of encryption, the sender uses a particular key to encrypt the data and sends the encrypted data (cipher data) to the receiver and then the receiver uses the same key to decrypt the data.

Public key encryption, or asymmetric encryption uses two keys - a private key and a public key. The public key is know to everyone while the private key is known only to those for whom the message is intended. An application of this type of encryption is in SSL (Secure Sockets Layer) -  a protocol for transmitting data privately on the internet.

Private key encryption is not exactly one of the encryption methods but rather, a private key and a public key are used in encryption.

The best option is therefore <em>symmetric key encryption</em>.

<em>Hope this helps!</em>

7 0
3 years ago
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