When using a systematic troubleshooting approach and suspecting a problem at layer 3 of the OSI model, By answering these questions, the technician can gather more information about the problem and determine whether it is likely to be related to layer 3 of the OSI model.
The following two questions may be associated with gathering information about the problem:
Are the IP addresses and subnet masks correctly configured? Layer 3 of the OSI model, the network layer, is responsible for addressing and routing data packets. If the IP addresses or subnet masks are incorrectly configured, it can cause problems with communication between devices.Are there any connectivity issues between devices on the same network or different networks? The network layer is also responsible for establishing and maintaining connections between devices on the same network or different networks. If there are connectivity issues, it could indicate a problem at this layer.To know more about OSI model, visit: https://brainly.com/question/22709418
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write the turtle graphics statements to draw a square that is 100 pixels wide on each side and filled with the color blue.
It draws the blue square at coordinated(100,0) 50 pixel wide, and in the lower-left corner. You should know that the lower-left corner of the square should be at position x, y. Hence, The answer.
And this is true for any shape that you draw using turtle graphics in Python.
You should also know the function format of Python, and how it is defined, declared and called. The penup command tells the turtle to not show what is drawn, or hide the link. The pen down is just opposite to this.
The count is an above with range to create a for the look .Forward moves the cursor according to width mentioned.
See how to pen down is called before beginning fill. And how we move to x, y using go to, and how the penup is used to hide ink while fill color is in effect, and we move to x, y.
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the standards for sql has been maintained by the american national standards institute (ansi). select one: true false
The correct answer is True the standards for sql has been maintained by the american national standards institute (ansi).
The existing records in a table can be deleted using the SQL DELETE Query. All of a table's rows are removed using the truncate command. A where clause cannot be used in this. A DDL command, that is. Each record that has to be deleted from a table is locked using the SQL Delete statement. Data kind. Fixed-length character data types are the second best option for a primary key after integer (number) data types. Because character data type values must first be converted to ASCII values before processing, SQL Server processes number data type values more quickly than character data type values. String(n) is not supported by the SQL standard, although char, varchar, and float are.
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what is the maximum number of elements in a sorted array of 122 elements that will be examined using a binary search before it is discovered that the element is not in the array?
The above question is written in java programming.
int endOfArray = 122;
try {
while (true) {
int value = theArray[endOfArray*2];
if (value > requestedValue) // good enough
return doBinarySearch(theArray, 0, endOfArray, requestedValue);
else
endOfArray*=2;
}
}
catch (ArrayIndexOutOfBoundsException aioob) {
// we know that the end of the array is less than endOfArray*2 but > endOfArray
// do something clever here TBD. :-)
}
The Java Programming Language is an object-oriented, concurrent, deeply typed, general-purpose language. The Java Virtual Machine Specification defines the bytecode instruction set and binary format to which it is typically compiled. Object-oriented programming (OOP) is a structure used in Java. A class-based programming language is Java.
The JVM performs the three basic primary tasks:
The class loader is responsible for loading code.
Byte code verification is used to validate the code.
runs code: carried out by the runtime interface
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data independence is a term that refers to data and program modules being so tightly interrelated that they become difficult to modify. true or false
Data independence is a term that refers to data and program modules being so tightly interrelated that they become difficult to modify is false.
Why is data independence and what does it mean?According to the definition of data independence, a DBMS's ability to alter the database schema at one level of a database system without also needing to update it at a higher level is a key feature. You can maintain data independence by keeping it separate from any programs that use it.
Therefore, For any form of a centralized DBMS, data independence is the kind of data openness that is important. It alludes to the user applications' resistance to modifications made to the definition and arrangement of data. Ideally, application programs shouldn't be made aware of the specifics of data storage and representation.
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which protocol can send cryptographic confirmation that an endpoint is who it claims to be so that arp poisoning is hindered?
The Secure Neighbor Discovery (SEND) protocol can send cryptographic confirmation that an endpoint is who it claims to be so that ARP poisoning is hindered.
ARP poisoning is the practice of tricking hosts into delivering the attacker's traffic to someone else in order to gain access to the broadcast section. This is prevented by the SEND Protocol.
Any neighbor, presumably even in the presence of authentication, is able to send Router Advertisement messages and thereby able to cause a denial of service.
The protocol contains no mechanism to determine which neighbors are authorized to send a particular type of message (for example, Router Advertisements). Additionally, any neighbor has the ability to launch a potential denial-of-service assault by sending proxy Neighbor Advertisements and unsolicited Neighbor Advertisements.
Support for SEND is currently regarded as optional. SEND deployment is probably only going to be taken under consideration in situations where nodes are operating in exceptionally rigorous security environments because of how difficult it is to deploy it and how heavyweight its provisioning is.
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which word can be used to identify the following words: double, float, else, string, void, true, false, public a. classes b. namespaces c. keywords d. methods
The dos and don'ts of writing C++ code are thoroughly explained in this article in order to manage this complexity.
One of the most popular development languages employed by numerous open-source projects is C++. Every C++ programmer is aware of the language's numerous powerful capabilities, but this power also adds complexity, which can make code more prone to bugs and more challenging to comprehend and maintain. These guidelines are in place to maintain code manageability while also enabling programmers to effectively use C++ language capabilities. The rules that guide our C++ code are referred to as style, sometimes known as readability. Since these conventions embrace much more than just source file layout, the name "Style" is somewhat misleading.
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because small embedded systems typically run only one program, constants are always stored in ram so they can be easily changed. question 13 options: true false
True, constants are always saved in RAM so they can be altered easily because small embedded systems normally execute just one software. Computers make up embedded systems.
Is a grouping of a computer's CPU, memory, and input/output peripherals that performs a specific task as part of a larger mechanical or electronic system. It is integrated as a component of a finished product that frequently also includes mechanical and electrical components. The hardware and software that make up a computer system are used to carry out particular tasks. The term "system" refers to the coordination of separate elements that carry out a single activity or a group of related tasks are called as embedded systems.
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if the sdn controller wants to split the ttraffc from a switch/router evenly into multiple outgoing links.what information will be for the controller determine the rules
SDN controller manages flow control to the switches/routers “below” (via southbound APIs) and applications and business logic “above” (via northbound APIs) to provide an intelligent network.
What protocol does the SDN controller use to control the SDN controlled switch?Open Flow is the default southbound protocol used between SDN controllers and switches. The SDN controller takes information from the application and converts it into flow entries that are fed to the switch via the OF. It can also be used in network management to monitor switch and port statistics.
What interface is used for communication between SDN controllers?It is an open interface that configures the forwarding tables of network switches and routers according to the desired route of network packets derived and determined by the SDN controller.
How do SDN controllers communicate with each other?These use announcement and messaging systems or distributed routing protocols such as BGP or OSPF. Sixth, the southbound interface allows interaction between the control plane and the data plane. Collectively, this can be defined as a protocol that allows controllers to push policies to the forwarding plane.
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