A MAC address is 48 bits long. And those 48 bits are divided into two separate groups of 24 bits each. The first 24 bits are specific to the manufacturer or vendor. These bits are known as the organizationally unique identifier, or OUI.
What is a MAC address?
A Media Access Control address (MAC address) is a hardware identifier that allows each device on a network to be identified uniquely. It is primarily assigned by the manufacturer. They are frequently found on the network interface controller (NIC) card of a device. MAC addresses are also known as burned-in addresses, Ethernet hardware addresses, hardware addresses, or physical addresses.
MAC addresses never change on their own because they are assigned to NICs or other hardware. (However, many network interfaces allow for MAC address changes.)
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which of the following scheduling algorithms could result in starvation? a. first-come, first-served b. shortest job first c. round robin d. priority
Scheduling methods based on priorities and shortest jobs first may cause hunger. Shortest Job First Preemptive Scheduling is often referred to as Shortest Next Time or Shortest Remaining Time (SRT) (SNT).
What do you mean by shortest job first preemptive?Shortest Job First Preemptive Scheduling is often referred to as Shortest Next Time or Shortest Remaining Time (SRT) (SNT). When a new process enters the ready queue while an existing one is still running and not finished, the option between preemptive and non-preemptive behavior becomes necessary.SJF delivers the least average waiting time for each process for a given collection of processes and their CPU bursts/execution periods, making it demonstrably optimal.Although Shortest Job First (SJF) is the best scheduling method since it provides the most throughput while minimizing average waiting time (WT) and turn-around time (TAT), it cannot be implemented in practice because a process's burst time can't be taken into account.To learn more about Shortest Job First Preemptive refer to:
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Bob silver loves playing the world of warcraft game in which he has the capability to create his own character and even his own lifelike environment. Which ai system would you categorize world of warcraft as?.
Bob loves playing the world of warcraft games in which he has the power or capability to create his own character even his own lifelike environment. The AI system which categorizes this world of warcraft is virtual reality. So the correct option is Virtual Reality.
Virtual reality is the use of computer technology to create simulated environments. Virtual reality allows users to experience her in three dimensions. Users are immersed and interacting with a 3D world instead of looking at a screen in front of them. Therefore, in Virtual Reality AI Gaming, gamers can create their own character and life-like environment.
While the other options are incorrect because a Multi-agent system is a computer system composed of multi-agents to solve an impossible problem. Expert systems are AI system that gives prediction based on the given data. While fuzzy logic systems are AI systems that resemble human thinking.
The complete question is given below:
“
Bob silver loves playing the world of warcraft games in which he has the capability to create his own character and even his own lifelike environment. Which ai system would you categorize the world of warcraft as?
Multi-agent systemExpert systemVirtual realityFuzzy logic system”
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Your server runs in quadruple-channel memory mode. How many memory controllers are being used?.
Answer: four (4)
Explanation:
Quadruple means 4.
you are a network administrator in a large training organization. your organization plans to deploy windows 10 tablets in 50 meeting rooms. these tablets will be managed by using microsoft intune. the tablets have an application named storm1 that many users will use. you need to configure windows 10 tablets so that any user can use storm1 without the need to sign in. users must not be able to use other applications on those tablets. which device configuration profile type should you use to accomplish this task?
The 'kiosk' is the type of device configuration profile that is used to accomplish the said task.
Since Microsoft Intune allows only one 'kiosk' profile per device, the 'kiosk' device configuration profile is recommended in this scenario.
As the given scenario is to deploy tablets installed with Windows 10 in 50 meeting rooms that will be managed by Microsoft Intune. Each tablet has an application named Storm1 that is used by various users. Now as a network administrator your task is to configure Windows 10 tablets in such a way that users can use the Storm1 software without the sign-in process; also users are restricted from using other applications or software on these tablets. As per the scenario, the required tasks should be accomplished by using the 'kiosk' type of device configuration profile.
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valid tcp segment requires that if ack bit is not set, then acknowledgement number should be set to zero. group of answer choices true false
The connectionless, dependable service is provided by the TCP protocol is False. Arrival of the expected sequence-numbered, in-order section. All information is in the intended order.
The TCP protocol's functions is ?A network conversation that allows programs to exchange data is defined by the Transmission Control Protocol (TCP) standard. TCP interacts with the Internet Protocol (IP), which establishes the rules for how computers exchange data packets.The ftp, tftp, and telnet commands, which are common TCP/IP services. "r" commands on UNIX, like rlogin and rsh. File services, such the NFS service, and name services, including NIS+ and Domain Name System (DNS).Transmitter-Controller Protocol (TCP) The transport-layer protocol TCP belongs to the OSI model. Since a connection must be made before data transmission can start, it offers a dependable virtual-circuit link between applications.To learn more about Transmission Control Protocol (TCP) refer to:
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Which tab of the internet options dialog box will allow you to configure lan settings?.
The tab of the internet options dialog box that will allow you to configure LAN settings is connection.
What is LAN?A local area network (LAN) is a collection of computers and peripheral devices that connect to a server via a common communications line or wireless link within a specific geographic area.
A local area network can serve as few as two or three users in a home office or thousands of users in the central office of a corporation.
Select Internet Options from the Tools menu in Internet Explorer. Select LAN Settings from the Connections tab.
Thus, connection tab is the internet options dialog box's LAN tab allows you to configure LAN settings.
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instruction decode/register fetch: to compute the branch target address which may be used in the next step, what is the value of aluop?
The branch target address is determined as if the instruction were a branch even though it may not even be a beq instruction at the start of the Decode state. The resulting calculation is merely ignored if it turns out that the instruction is not a branch or if the branch is not taken.
Beq moves on to the BEQ state after the Decode state and compares the source registers there. To choose the values read from the register file as SrcA and SrcB, set ALUSrcA = 10 and ALUSrcB = 00. In order for the ALU to perform subtraction, ALUOp = 01 The ALU's Zero output asserts if the source registers are equal (because rs1 rs2 = 0).
What is Branch Target Address ?
Each cache line in a branch target address cache (BTAC) stores a minimum of two branch target addresses. A branch instruction address with a truncation is used to index the BTAC.
Which of the branch target addresses is used as the predicted branch target address is determined by an offset taken from a branch prediction offset table.
A branch history, a hash of a branch history and a portion of the branch instruction address, a gshare value, randomly, in a round-robin order, or other methods may be used to index the offset table.
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a 32-bit address is used to access a 32kb level 1 cache. the cache is 8 way set associative with a cache line size of 64b. what will the address composition look like?
Each main memory block may be in any one of the eight cache blocks in an eight-way associative cache.
What does 8 way cache mean?An eight-way associative cache has eight cache blocks, each of which can contain any one of the main memory blocks. The L1 data cache of Ryzen is an 8-way set associative L1 data cache, while the L1 instruction cache is 4-way associative. The hit rate increases with set associativity, as shown on the following two slides.This type of cache structure divides the cache into a number of ways that are all the same size. Then a way rather than a line can map to a memory location. The address's index field is still used to pick a specific line, but it now points to a distinct line in each direction.The primary distinction between L1 L2 and L3 cache is speed; L1 cache is the fastest and L3 cache is the slowest, while L2 cache is slower than L1 cache but quicker than L3 cache. A computer's fast memory is called cache. It houses information that the CPU uses frequently.To Learn more About 8 way cache refer to:
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Gaining access to a safety deposit box using iris scanning is an example of _____________ authentication.
Gaining access to a safety deposit box using iris scanning is an example of Biometric authentication.
What is Biometric authentication ?
A security procedure called biometric authentication uses people's distinctive biological traits to confirm they are who they claim they are. Biometric authentication systems match recorded, verified, valid data in a database with physical characteristics or behavioral patterns.
What is database ?
A database is a planned grouping of material that has been arranged and is often kept electronically in a computer system. A database management system often oversees a database (DBMS).
What is an iris scanning?
Iris identification technology scans an individual's iris using visible or near-infrared light in a camera, which then examines it for about 240 different patterns and features.
For purposes of identification or verification, the data is converted to a template, or mathematical information that provides specifics about the iris, and compared to a reference database of iris templates.
Even those who are blind, have cataracts, have undergone eye surgery, or who wear glasses and contact lenses can use iris recognition.
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You, as a network administrator, are calculating the range of host ip addresses for a subnet (the targeted subnet). if the next subnet's network id is 192.168.50.119, what is the targeted subnet's broadcast address?
Since you, as a network administrator, If the next subnet's network ID is 192.168.50.119, then the targeted subnet's broadcast address will be: 192.168.50.118
What function does a broadcast address serve in a network?Data is sent to every computer on the local subnet using this address. A number of protocols, including ARP, RIP, and others that must communicate data before they are aware of the local subnet mask, employ the broadcast address.
In a multiple-access communications network, a broadcast address is a network address that is used to convey data to every device connected to the network. All network-attached hosts may receive a message sent to a broadcast address.
Therefore, based on the case above, since you have the subnet of 192.168.50.119, so the main subnet's have to be: 192.168.50.118
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the basic form of a sql command is: a. select-where-from b. select-where c. create-select-from d. select-from-where.mcq answer
Option D. SELECT-FROM-WHERE is correct because The basic form of an SQL retrieval command is-
SELECT - select the tuple as result
FROM - from the tables
WHERE - it is condition on which selection of tuples ia made by query.
What is Sql?
SQL is an abbreviation for Structured Query Language.
SQL allows you to connect to and manipulate databases.
SQL was adopted as an American National Standards Institute (ANSI) standard in 1986 and as an International Organization for Standardization (ISO) standard in 1987.
Although most database systems use SQL, they also have their own proprietary extensions that are typically only used on their system. However, standard SQL commands like "Select", "Insert", "Update", "Delete", "Create", and "Drop" can be used to do almost everything with a database.
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when working in virtual desktops in windows 10, what feature will allow you to see a tile representing each virtual desktop, as well as all open apps?
With the feature, you can view all open apps in task view along with a tile for each virtual desktop.
What is meant by task view?Task View is a task switcher and virtual desktop system that was introduced in Windows 10 as one of the first new features. A user can use Task View to quickly locate an open window, quickly hide all windows and display the desktop, and manage windows across multiple monitors or virtual desktops.If you're not familiar with the Task View icon, it looks like a stack of boxes on the right with a scroll symbol. It should be on the taskbar's left side, to the right of the search bar.Launch Task View: Tab + Windows logo key Display and hide the desktop by pressing the Windows logo key + D.To learn more about task view refer to:
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What are the differences between online platforms sites and content?.
Websites offer one-way interaction, with visitors taking in whatever content is presented.
Platforms provide reciprocal engagement, with user interactions resulting in individualized experiences. Marketplaces, search engines, social media, blogs, app stores, communications services, payment systems, services included in the so-called "collaborative" or "gig" economy, and many more online services have all been referred to as "online platforms." A digital service known as an online platform makes use of the Internet to enable communications between two or more dissimilar but related users. Platforms are locations where electronic demand and supply collide.
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What kind of device can monitor a connection at the demarc but cannot interpret data?.
Smart jack device can monitor a connection at the demarc but cannot interpret data.
What is a smart jack used for?Smart jack is a specific network that is used between the interface of the internal network and the service network provider. It can monitor a connection at the demarc but cannot analyze the data.In essence, this gadget is utilized for protocol and code conversion.In addition to serving as a demarcation point between the inside and outside wiring, smart jacks are not employed to analyze data. In order to convert signals, a smart jack may convert codes and protocols (such as framing types) to the format required by the client equipment.Similar to what a repeater does, it may buffer and/or regenerate the signal to make up for signal deterioration caused by line transmission. The sophisticated and clever equipment known as Smart jack is situated directly between the customer's premises and the telephone company's demarcation line.Since it contains a smart function to test a connectivity check, smart jack differs from the type of device we typically refer to as NID.To learn more about smart jack refer
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if you wanted a custom dimension that reports membership status for a customer rewards program, which of these scopes would be set?
USER Scope is the custom dimension that reports membership status for a customer rewards program because User-level scope enables you to group all of a user's component sessions and hits by a single value. It is ideal for values that do not change frequently for a specific use.
What is User-level scope?
Finally, consider how a game developer can use user-level custom dimensions to determine how many levels were played by paid users versus free trial users.
The total number of times each level is played is already tracked with screen views, as in previous examples, but the developer now wants to group screen views by free and paid users.
The report the developer wants to see looks like this:
Player Type Screen views
Free
Paid
The developer can obtain this data by associating all screen views of a specific user across their current and future sessions with a Player Type value using a user-level custom dimension.
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Which layer of the network model includes specifications for cables and connectors and how signals are sent over these connections?.
The "physical layer" i.e, the first layer of the network model includes specifications for cables and connectors and how signals are sent over these connections
Explain the network model.
The network model was created as a flexible method of expressing things and their relationships in the database. The schema is unique in that it is not limited to being a hierarchy or lattice when considered as a graph in which object types are nodes and relationship types are arcs.
The network model schema, in contrast to other database models, is not restricted to being a lattice or hierarchy; instead, a graph in place of a hierarchical tree allows for more straightforward linkages with the nodes. The network model has a key benefit which is its capacity to overcome the hierarchical model's lack of flexibility, which is meant to be a direct progression.
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What makes a computer more secure?.
the operating system encrypts the password for a given user by encoding the information, using a process that is easy to apply but difficult to undo.
The given statement "the operating system encrypts the password for a given user by encoding the information, using a process that is easy to apply but difficult to undo" is false.
What is the password?A password is one or more words or a collection of characters used to identify between authorized and unauthorized users.
Passwords are automatically encoded in different WebSphere® Application Server ASCII configuration files by default using a simple masking process. Additionally, passwords can be manually encoded in properties files used by Java clients and management commands for the Application Server.
Thus, the operating system encrypts a specific user's password by encoding the information in a procedure that is simple to implement but difficult to reverse is false.
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The question seems to be incomplete the correct question would be
The following statement is true or false.
The operating system encrypts the password for a given user by encoding the information, using a process that is difficult to apply but easy to undo. (T/F)
describe with details how procedures (a.k.a. functions, methods, etc.) are executed using the program stack. explain the role of the calling sequence, prolog, and epilog in stack management
One of the areas of program memory used to store local variables and function calls is called the stack.
What is Stack Frame in Computer Organization?
The memory for local variables and other function calls or subroutines are stored on the stack frame whenever a function is called in our programme. In the application's memory's stack segment, each function receives a separate stack frame.
Features:
The memory allotted for a function call in the stack only exists during the time that the function is running; once the function is finished, we are no longer able to access its variables.After the calling function has finished running, the stack frame is destroyed, and the thread of the called function's execution picks up where it left off.Since the stack is used to store function calls, if our program uses a lot of recursive calls, the stack memory may be exhausted, leading to a stack overflow because the stack memory is constrained.The Stack Pointer (SP) and the Frame Pointer are both maintained by each stack frame (FP). Both the stack pointer and the frame pointer are always pointing up. Additionally, it keeps track of a programme counter (PC) that points to the subsequent command to be carried out.Every time a function call is made, a stack frame is produced in the stack segment. The arguments provided by the calling function are then pushed into the stack frame of the called function and given some memory there. Upon completion of their execution, they are popped from the stack frame. And the called function resumes the execution thread.To Learn more About Stack Frame Refer To:
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Which term means that you allow access to your document by the people or groups you choose?
Answer:
Editing document.
write the relational schema and draw the dependency diagram to meet the 3nf requirements to the greatest practical extent possible. if you believe that practical considerations dictate using a 2nf structure, explain why your decision to retain 2nf is appropriate. if necessary, add or modify attributes to create appropriate determinants and to adhere to the naming conventions.
Answer: It is necessary
Explanation:The first mouse was made of wood in 1964. consumes energy for about 200,000 homes annually. 'Bug' was a computer term derived from a moth. Internet users blink an average of 7 times per minute, while the average person blinks 20 times per minute.
when you pass an argument to a method you should be sure that the argument's type is compatible with .
When you pass an argument to a method, be sure that the argument's data type is compatible with the parameter variable's data type.
What is Method in Programming?
A method is a named set of code that can be called (invoked) at any point in a program simply by using the method's name. Consider a method to be a subprogram that operates on data and may or may not return a value.
Each method has a unique name. When that name appears in a program, the execution of the program is diverted to the body of that method. When the method is completed, execution returns to the section of the program code from which it was called, and the program proceeds to the next line of code.
Good programmers write in a modular fashion, allowing multiple programmers to work independently on separate concepts that can later be assembled to create the entire project. Our first step toward modular, top-down programming will be the use of methods.
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Marek is designing a video game where players will look for hidden treasures on a beach. The player will feel the wind, hear the ocean waves, and see the seagulls flying overhead. What mode of operation is the video game most likely going to use?
A.
virtual reality
B.
joystick
C.
touch controls
D.
console controller
Answer: your answer would be console controller
Explanation:
Which of the following is often accessed in a browser but is not itself a browser feature or tool?
A. history
B. add-ons
C. bookmarks
D. webmail
An element which is often accessed in a web browser but is not itself a browser feature or tool is: D. webmail.
What is a web browser?A web browser can be defined as a type of software application that is designed and developed to enable an end user view, access and perform certain tasks on a website, especially when connected to the Internet.
In Computer technology, web browsers are typically designed and developed to save website information in their cache, in order to make specific websites to load faster on future visits. Also, history, add-ons, extensions, bookmarks are often accessed in a web browser.
What is a webmail?A webmail can be defined as an email service (system) that is designed and developed to enable all end users to access their electronic messages (emails) through the use of a web browser, on any computer that is actively connected to the internet.
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if you are writing a function that accepts an argument and you want to make sure the function cannot change the value of the argument, what do you do?
Nothing is required if the argument is given by value. The argument is inaccessible to the function. The parameter should be declared using the const keyword if the argument is given by reference.
What is Argument?
Information that is supplied into a function can be referred to as both a parameter and an argument. From the viewpoint of a function: The variable in the function definition that is listed between parentheses is referred to as a parameter. The value passed to a function when it is called is known as an argument.
What is Parameter?
The variable in the function definition that is listed between parentheses is referred to as a parameter. When a function is called, a value is supplied as an argument.
What are Variables?
A symbolic name that serves as a reference or pointer to an object is called a variable in programming language. You can use the variable name to refer to an object once it has been assigned to it. However, the object itself still holds the data.
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Which layer of the network model includes specifications for cables and connectors and how signals are sent over these connections?.
The physical layer specifies how a device and a transmission medium, like a copper or optical cable, are related.
What do you mean by the term physical layer?
The method for transmitting a stream of unprocessed bits over a physical data link connecting network nodes is defined by the physical layer. In order to turn the bitstream into a physical signal that can be transmitted over a transmission medium, it may be divided up into code words or symbols.
What is bitstream?
Binary information bits (1s and 0s) that can flow from one device to another are referred to as bitstreams. Applications involving computers, networking, and audio employ bitstreams.
The connection between a device and a transmission medium, like a copper or optical cable, is established by the physical layer. Pin layout, voltages, cable specifications, hubs, repeaters, network adapters, host bus adapters (HBA used in storage area networks), and more are all covered in this.
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if security can never be perfect, how should an effective it department manage against malicious threats
Clearly, not only is the threat of malicious attacks a major concern in IT today, but so is the rate of growth and ease with which a relatively inexperienced computer user can carry one out.
Your IT department needs to know every protocol port that's open, an audit log tracking every user, and so forth. Every hardware system, database, and disk storage should all be clustered and/or have redundant drives, utilizing RAID to have fail-over, and so forth.
Consider the following:
Establishing a security policy in your organization is the best way to ensure that your internal users adhere to documented and stringent guidelines. This can be as simple as implementing strong password protection practices and ensuring that they understand the rules regarding external storage devices, data copying, and abusing their privileges and access. Policy is simply enforcing rules around your users to protect them from internal attacks.
It will be difficult to manage against malicious threats because perfect IT system security is unattainable. It is critical for the organization's specific system to have the appropriate amount of money invested in IT department and security. A security audit must be performed to assess the system's vulnerabilities, after which IT leaders or management can determine which portions pose the greatest risk to them and how they intend to handle them.
Keeping anti-virus and spyware software installed within the IT infrastructure up to date will aid in the management of malicious threats. That may appear to be a "simple" task, but an organization should ensure that they have implemented the most beneficial anti-virus and/or firewall software to complement their systems.
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you need to create a relationship between the transactions table and the customers table. to do this, what foreign key must be added to the transactions table? a. activity id b. item id c. customer id d. transaction date when you create the relationship from the customers table to the transactions table, what type of relationship should you configure? a. one-to-one b. many-to-one c. many-to-many d. one-to-many after entering data into a relational database, users can make inquiries, analyze the data, and organize the data.
For the first part option C i.e 'customer id' is the correct answer. And for the second part option D i.e 'one-to-many' pertains to the correct answer.
In the case where you create a relationship between the transactions table and the customers table. To serve this purpose, you must add the 'customer id' as a foreign key to the transactions stable.
While in the scenario where you create the relationship from the customers table to the transactions table, you should configure the relationship type 'one-to-many' so that after entering data into the relational database, users can analyze and organize the data, and can make inquiries.
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which cisco ios command is used on a 2960 router to change the switch forwarding asic settings to make space for ipv4 routes?
IPv4 unicast routes are supported for static routing SVI configuration using the LAN Base routing template.
What is Lanbase routing?IPv4 unicast routes are supported for static routing SVI configuration using the LAN Base routing template.The memory allotted to unicast routing cannot be used by any other features thanks to the LAN Base routing template.Before using the routing template, your switch must have routing enabled. The switch supports any directly linked routes, default routes, 8 Routed SVIs, and 16 static routes (including user-configured routes and default routes) for the management interface.The switch's eight SVI slots can each get an IP address. We require two things to enable routing.Prior to enabling IP routing, turn on the lanbase-routing feature that SDM prefers.To make the change, you must reload the page.You can use the show sdm prefer command to confirm the change after the system reload.To learn more about LAN Base routing refer
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question 1: what is the smallest network that contains all the routed networks? construct the subnet tree of that smallest network, identifying the 4 routed networks with red lettering. is the smallest network the aggregate of the routed networks?
Subnet is the smallest network that contains all the routed networks.
What is Subnet?
A subnet, also known as a subnetwork, is a network within a network. Subnets improve network efficiency. Network traffic can travel a shorter distance without passing through unnecessary routers thanks to subnetting.
Assume Alice drops a letter in the mail addressed to Bob, who lives in the town next door to hers. To reach Bob as soon as possible, the letter should be delivered directly from Alice's post office to the post office in Bob's town, and then to Bob. If the letter is first delivered to a post office hundreds of miles away, it may take much longer for Alice's letter to reach Bob.
Networks, like the postal service, are more efficient when messages are routed as directly as possible. When one network receives data packets from another, the packets are sorted and routed by subnet so that they do not take an inefficient route to their destination.
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