Answered: ssume that there exists a chance of…

ssume that there exists a chance of huge traffic congestion in your network in the near future. Wh to prevent congestion? Explain any three techniqu

Comptia A+ Core 1 Exam: Guide To Computing Infrastructure (mindtap Course List)

10th Edition

ISBN:9780357108376

Author:Jean Andrews, Joy Dark, Jill West

Publisher:Jean Andrews, Joy Dark, Jill West

Chapter9: Supporting Mobile Devices

Section: Chapter Questions

Problem 9TC

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Ann is a CSULA student trying to access (https://www.calstatela.edu) from the campus library. Her request must use Domain Name System (DNS) resolution to translate the name (https://www.calstatela.edu) to an IP address. Assume that CSULA DNS name resolution uses iterated queries and her request first goes to the CSULA local DNS server shown in the figure. In the following picture: 1. Fill in the blanks to show all the servers in the DNS hierarchy this request must be sent to, starting from and including the root DNS server. 2. Draw arrows with sequence numbers showing the steps in the DNS resolution. The first and the last step in DNS resolution are shown in the figure.
Using https://wiki.dd-wrt.com/wiki/index.php/Linking_Subnets_with_Static_Routes as a base, modify the scenario for VLSM based subnets given the following information. Site address (CIDR Notation) = 192.168.10.0/24 Subnet Included hosts Number of hosts required Subnet ID(CIDR notation) 1 Computer Labs 1 and 2 110 ? 2 Computer Lab 3 60 ?
Which of the following is NOT a reason to be against using static routing? O. More resources, such increased CPU power or bandwidth, are not necessary. O.b. Since the routing tables are very small, minimal maintenance is required. O.c. Any modification to the topology will have an impact on the configuration. The path never veers from the objective on the way there.
Which of the following is NOT an argument against using static routing? O. There is no need for more resources, such as additional CPU or bandwidth. O.b. The routing tables are rather compact, and the amount of maintenance required is low. O.c. If the topology is altered in any way, the configuration will be impacted. The path to the goal does not ever diverge from its usual course.
How to answers with explanations below questions based on network & data communication knowledge? 1. Persistent HTTP means :a. multiple objects can be sent over single UDP connection between client and serverb. multiple object can be sent over multiple TCP connection between client and serverc. multiple object can be sent over single TCP connection between client and serverd. single object can be sent over single TCP connection between client and server 2. How does HTTP overcome its inherent stateless condition?a. use cookieb. use non-persistent HTTPc. the statement in the question is wrongd. use persistent HTTP 3. The process of converting analog signal into digital signals so they can be processed by receiving computer is referred to as:a. synchronizingb. demodulationc. modulationd. digitising 4. Using NAT local netwerk can just use one IP address as far as outside world is concerned. What are the other uses of having NAT?a. it can change addresses of devices in local network…
To reduce the communication cost of remote applications with high access frequency, it is required to perform a horizontal fragmentation given the following application information: App1 : Compute payment = HOURS * PAY_RATE for every employee working in a “NEW YORK” project.App2 : Compute payment for every employee working in a “PARIS” project. App3 : Find the basic salaries of mangers of departments that have projects in “NEW YORK” or “TOKYO”. App4 : Find the salaries of mangers of departments that have projects in “PARIS” and “TOKYO”.App5 : Find the salaries of employees working in departments in “PARIS” with monthly basic salary < 100000”. App6 : Find the names of employees in “HEAD_OFFICE” department. Define fragments using SQL and relational algebra AS YOU CAN Answer in details
To reduce the communication cost of remote applications with high access frequency, it is required to perform a horizontal fragmentation given the following application information: App1 : Compute payment = HOURS * PAY_RATE for every employee working in a “NEW YORK” project.App2 : Compute payment for every employee working in a “PARIS” project. App3 : Find the basic salaries of mangers of departments that have projects in “NEW YORK” or “TOKYO”. App4 : Find the salaries of mangers of departments that have projects in “PARIS” and “TOKYO”.App5 : Find the salaries of employees working in departments in “PARIS” with monthly basic salary < 100000”. App6 : Find the names of employees in “HEAD_OFFICE” department. a) Define a set of simple predicates. AS YOU CAN Answer in details
for this nodejs router const http = require("http");const url = require('url'); var hostName = '127.0.0.1';var port = 3000; var server = http.createServer(function(req,res){res.setHeader('Content-Type','text/plain');const parsed = url.parse(req.url);const pathname = parsed['pathname'] const queryObject = url.parse(req.url,true).query;let queryValue = queryObject['name']if(queryValue==null){queryValue=""} if (pathname=="/"){res.end("SUCCESS!")}else if (pathname=="/echo"){res.end("SUCCESS! echo")}else if (pathname=="/foxtrot/:name"){queryValue = queryObject['name'].toString()res.end("SUCCESS! Received "+queryValue+" via foxtrot")}else{res.end("FAILED! Fix your URL.")} }) server.listen(port,hostName,()=>{console.log(`Server running at http://${hostName}:${port}/`);}); -------------- it runs like this picture i wnat to fix it ,when i run http://127.0.0.1:3000/foxtrot/kilo it shows "SUCCESS! Received kilo via foxtrot" how to do it ?
I have the following program for arduino, I need to add function that will turn on and off those voltage and current sensor,can someone help? #include <WiFiNINA.h> #include <Wire.h> // Replace with your network credentials const char* ssid = "your_SSID"; const char* password = "your_PASSWORD"; // Replace with your MQTT broker IP address const char* mqtt_server = "your_MQTT_broker_IP_address"; // Create an MQTT client instance WiFiClient wifiClient; PubSubClient mqttClient(wifiClient); // Current sensor calibration constants const float ACS712_SCALE_FACTOR = 0.185; // mV/A const float ACS712_ZERO_CURRENT_VOLTAGE = 2500.0; // mV // Voltage sensor calibration constants const float VOLTAGE_DIVIDER_RATIO = 10.0; const float VOLTAGE_REFERENCE = 3300.0; // mV // Light/relay pin const int LIGHT_PIN = 3; void setup() { // Initialize serial communication Serial.begin(9600); // Connect to Wi-Fi network WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) {…
PLEASE LOOK AT MY QUESTION CAREFULLY ! PLEASE LOOK AT MY QUESTION CAREFULLY ! PLEASE LOOK AT MY QUESTION CAREFULLY ! the nodejs server code is like this const http = require("http");const url = require('url'); var hostName = '127.0.0.1';var port = 3000; var server = http.createServer(function(req,res){res.setHeader('Content-Type','text/plain');const parsed = url.parse(req.url);const pathname = parsed['pathname'] const queryObject = url.parse(req.url,true).query;let queryValue = queryObject['name'] if(queryValue==null){queryValue=""} if (pathname=="/"){res.end("SUCCESS!")}else if (pathname=="/echo"){res.end("SUCCESS! echo")} else if (pathname=="/foxtrot/:name"){queryValue = queryObject['name'].toString()res.end("SUCCESS! Received "+queryValue+" via foxtrot")}else{res.end("FAILED! Fix your URL.")} }) server.listen(port,hostName,()=>{console.log(`Server running at http://${hostName}:${port}/`);}); ======================== when i enter http://localhost:3000/foxrot/kilo i hope it…
1 Captured Data Analysis Count how many TCP packets you received from / sent to your site or YouTube, and how many of each were HTTP packets. Determine if any TCP packets with SYN or PSH flags set were sent from your host or received from yoursite/Youtube Go flag-by-flag and count how many packets have tcp.flags.push set, then how many have tcp.flags.syn set, and finally, how many have tcp.flags.reset set. Report all three counts in a table.
how could that use node js to create a webserver that Create a web server that Accepts and processes request messages submitted from browser, and Generates and sends response messages back to browser for display. Your web server must be able to handle URL with hostname and port Request message URL: 0.0.1:3000 Response message: “SUCCESS!” URL with hostname, port and path Request message URL: 0.0.1:3000/alpha Response message: “SUCCESS! alpha” URL with hostname, port, path and query string Request message URL: 0.0.1:3000/bravo?name=charlie Response message: “SUCCESS! bravo charlie” Invalid/unexpected URL Request message URL: 0.0.1:3000/<any other value> Response message: “FAILED! Fix your URL.” Hostname 127.0.0.1 can be replaced by localhost. Port number 3000 can be replaced by any other port number that is from 1024 (2^11) to 65535 (2^17 – 1) inclusive.