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5.How does Systemd manage the system's run levels
Run levels means the current state of the operating system. They define which system services are running. In Systemd .target files replace the run levels which were earlier in SysVinit. System activates the default.target unit by default when the s…
by
gaurav133232
March 23
009.01.14.Linux-Boot-Process
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4.What does the transport layer define?
The transport layer define the characteristics of end-to-end communication, ensuring data integrity, managing source and destination ports, and reassembling data packets at the destination.
TCP(Transmission Control Protocol) and UDP(User Datagram P…
by
akashbhandari
March 18
014.01.16.NetworkLayers
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1. Can you explain how the iptables system works in practice?
Iptables works by allowing users to define rules for controlling network traffic. It enables actions like setting up DROP for specific IP addresses and modifying INPUT and FORWARD commands. This customization helps in blocking messages from sources,…
by
mohdmohsinkhanee
February 19
014.01.58.Setting Firewall Rules
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3.explain the significance of RFC 1918, 6761 in the context of selecting IP subnets for private nw
RFC 1918 and 6761 define conventional, cost-effective alternatives for selecting private subnets. These standards influence our choice by offering a range of private addresses suitable for internal networks. For larger networks with more than 254 ho…
by
mohdmohsinkhanee
February 17
014.01.50.Private Networks IPv4
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4.binding an interface to the internet layer with the "ip address add" command
To bind an IP address and subnet to a kernel network interface using the ip address add command, the syntax is as follows:
ip address add address/subnet dev interfaceHere, interface represents the name of the physical interface (e.g., enp4s0 or eth…
by
mohdmohsinkhanee
February 3
014.01.32.Intro To Network Interface Configuration
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3.Why is manually configuring network interfaces considered rare and error-prone?
Manually configuring network interfaces is considered rare and error-prone because it involves using numerous ip commands with a large number of parameters and addresses. The likelihood of making mistakes is high, leading to configuration errors. To…
by
mohdmohsinkhanee
February 3
014.01.32.Intro To Network Interface Configuration
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15.how the subnet mask marks the bit locations common to a subnet
In binary form, let's visualize how the subnet mask marks the bit locations common to a subnet. Consider an IP address, say 10.23.2.2, and its corresponding subnet mask, 255.255.255.0. Now, let's represent them in binary:
IP Address 10.23…
by
mohdmohsinkhanee
January 26
014.01.18.The Internet Layer
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1.Introduction-to-networking. initial suggestion before delving into networks
Before delving into the network layer, we must have some basic understanding of the network.i.e. what is the network, types of the network, IP addresses, DHCP, Host, Router, basics idea networking communication protocol (TCP/IP, UDP).
What is netwo…
by
shivam77726
January 19
014.01.12.Introduction to Networking
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14.explain how the network prefix and subnet mask work together to...
14. Using the example of the IP addresses between 10.23.2.1 and 10.23.2.254, explain how the network prefix and subnet mask work together to define a subnet.
by
pravjot
January 17
014.01.18.The Internet Layer
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12.Define what a subnet is and provide an example of a connected group...
12. Define what a subnet is and provide an example of a connected group of hosts forming a subnet.
by
pravjot
January 17
014.01.18.The Internet Layer
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8.What does the physical layer of the network stack define
8.What does the physical layer of the network stack define, and what are some examples of physical mediums mentioned in the text?
by
pravjot
January 16
014.01.16.NetworkLayers
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6.What does the network or internet layer define?
6.What does the network or internet layer define, and what is the particular packet transit rule set for the internet called?
by
pravjot
January 16
014.01.16.NetworkLayers
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4.What does the transport layer define?
4.What does the transport layer define, and which two protocols are mentioned as the most common in this layer?
by
pravjot
January 16
014.01.16.NetworkLayers
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3. what is a host in the context of a local area network
3. Define what is meant by a host in the context of a local area network.
by
pravjot
January 15
014.01.12.Introduction to Networking
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Unable to understand this question.
#include<stdio.h>
#define p(a,b) a##b
#define call(x) #x
int main(){
do{
int i=15,j=3;
printf("…
by
gaurav133232
December 2023
Query
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27.Threads Attributes
Thread attributes define the properties and characteristics of a thread, encompassing aspects like creation, polling, joining, and exit code handling. They play a crucial role in fine-tuning and optimizing multi-threaded applications, enabling progr…
by
mohdmohsinkhanee
November 2023
003 Linux System Programming
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02.03.Character Device Registration Initialization
[nirmal@fedora chdvdrv01]$ make default
[nirmal@fedora chdvdrv01]$ ls
exitFunc.c fileOprs.h headers.h initFunc.c Makefile modules
[nirmal@fedora chdvdrv01]$ make all
make -C /lib/modules/6.4.2/build/ M=/home/nirmal/Documents/Documents_07_07…
by
nirmalpg124
July 2023
005 Character Device Drivers Development
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Delete Duplicate Elements
#include#define SIZE 100
int i,n,j,k;int main(){ printf("Enter the size of array:\n"); scanf("%d",&n); int arr[n]; printf("Enter the Array elements :\n"); for(i=0;i
by
usaidsyedmohd
June 2023
Query
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Interview Questions: Project 05
define module license as GPL
General Public License
by
nirmalpg124
April 2023
005 Character Device Drivers Development
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malloc and the fork
doubting if a function could be defined using #define.. except for single line func definitions
by
nirmalpg124
April 2023
Pravjot Sir Classes
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