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What Is Difference Between Unicast And Multicast?
What Is the Difference Between Unicast and Multicast? Answer: Unicast: The term unicast is a transmission method it can send information from one station to another station. Unicast is one-to-one communication. It is used when private information is needed to send from one station to another stationRead more
What Is the Difference Between Unicast and Multicast?
Answer:
Unicast:
The term unicast is a transmission method it can send information from one station to another station. Unicast is one-to-one communication. It is used when private information is needed to send from one station to another station.
Examples:
File transfer and web surfing are examples of unicasts there is a need for a single service provider in unicast. If there is a need to send information from one station to multiple stations then send the multiple unicast packets, this is called multiple unicasting here all packets contain the address of the particular stations. Multiple unicasts use the maximum bandwidth of the network. In unicast the sender, the packets to one receiver while in multiple unicast senders send the three packets and each packet contains the specific address to the different receivers.
Multicast:
In a computer network, multicast is a transmission method used to send information from one station to the interested stations. Multicast is one too many communications. It is a mixture of broadcast and unicast. In unicast it sends information to one station in broadcast sends information to all stations while in multicast sends the packets of information to the selected stations.
Example:
Multimedia delivery and forwarding emails are examples of multicast. In multicast, the sender creates a single packet to send to the group of interesting stations. In a large network, it’s very hard to use multicasting because the small network of the internet is enabled in multicast. UDP is used for transport protocol in multicast.
- One-to-many communication
- It is not used on a large network scale.
- Multicasting uses bandwidth efficiently.
- It has one transmitter and several receivers.
See lessWhat Is a Protection Against Internet Hoaxes?
What Is a Protection Against Internet Hoaxes? Answer: Internet hoaxes are protected by using online sites to comply and expose potential hoaxes. Hoaxes: Hoaxes are false alerts about virus (Good Times) chain letters and try to spread wrong information about some issues (for example a warning that thRead more
What Is a Protection Against Internet Hoaxes?
Answer:
Internet hoaxes are protected by using online sites to comply and expose potential hoaxes.
Hoaxes:
Hoaxes are false alerts about virus (Good Times) chain letters and try to spread wrong information about some issues (for example a warning that the Federal Government regarding tax email).
Internet Hoaxes:
Internet hoaxes are the email you received from a familiar relation that informs you about a warning or something very important and urgent. Emails are life-or-death question at that time so the user doesn’t take time to check the validity of the email source and he forward this email to all his address book. The primary purpose of these internet hoaxes is to multiply when you send to all of your contacts his aims are achieved.
These are the themes of hoaxes are,
On the internet there are several chain letters, false information and hoaxes present it is not necessarily these are tried to swindle money but they waste everyone’s time. Before forwarding the warning or false information to your contact list confirms its authenticity.
Protection:
Like other viruses, your mailbox is not free of hoaxes. Internet hoaxes are sent to your friends, coworkers, and family to achieve their aim of being able to multiply and spread false information over the world. You can follow a certain recommendation not to get hoaxed.
- Never give your email address to the commercial website
- With your real email address do not participate in the newsgroup
- Provide awareness to your coworkers, family, and friends on how to recognize the Hoax
- Before confirmation, the authentic source of the email never forwards the email to the address book.
- A hoax is a plain text message when you confirmed it this is Hoax then delete the email.
See lessWhat Is a Threat In Cyber Security?
What Is a Threat in Cyber Security? Cybersecurity threats are carried out by individuals with harmful intentions like stealing data, and damaging or disturbing the computer system. It refers to a malicious attack that illegally accesses the data. These threats arise from many sources like terroristRead more
What Is a Threat in Cyber Security?
Cybersecurity threats are carried out by individuals with harmful intentions like stealing data, and damaging or disturbing the computer system. It refers to a malicious attack that illegally accesses the data. These threats arise from many sources like terrorist groups, criminal organizations, cooperative spies, malware, denial of service, social engineering, lone attackers, and man-in-the-middle attack who misuse their privileges to carry out malicious attacks.
Cyber security attackers use company or individual data to access financial accounts ans to steal sensitive information. For the protection of private data, cyber security professionals are required. These threats come from unknown parties or come from trusted persons in the organization. some attackers are serious, some just cause disturbance, and some damage human lives.
Types of cyber threats:
Cyber security professionals must have an understanding of these types of threats.
Malware attack:
Malware is malicious software it includes spyware, viruses, worms, and the most common type of malware is ransomware. It is activated when the users click on the malicious website link or attachments and unwanted software is downloaded. It steals sensitive information, blocks access to the system, and shut the functions altogether. Once malware is activated it performs these activities in the system,
Phishing:
This attack uses fake communication like email to trigger the user to open it and ask the user to provide credit card numbers. Their goal is to steal login information and credit card numbers.
Emotet:
Emotet is a modular and advanced banking trojan their main function acts as a downloader of trojan banking. It is the most costly and destructive malware.
Man in the middle:
It happens when the hackers are between two parties. According to Cisco, it filters and steals the data after causing an interruption in the traffic. It mostly happens to use an unsecured public Wi-Fi network.
Password attacks:
Attackers steal information with the right password. Social engineering is a kind of password attack. It is a scheme that is based on interaction and tricks people to access standard security.
See lessWhat Is The Difference Between 4g And 5g?
What Is the Difference Between 4g and 5g? Depending upon the connectivity the speed of the network is very important which is the main reason after 1G,2G,3G, and 4G are developed. 4G network: It is developed in late 2000 in simple terms it is the fourth-generation broadband cellular network. It is tRead more
What Is the Difference Between 4g and 5g?
Depending upon the connectivity the speed of the network is very important which is the main reason after 1G,2G,3G, and 4G are developed.
4G network:
It is developed in late 2000 in simple terms it is the fourth-generation broadband cellular network. It is the advanced version of 3G and 50 times faster than 3G. 4G is supported by video conferencing, clear voice calls, and the high definition tv stations and mobile. In the recent few years, various people get access to the internet for searching for things on their mobile phones. With the advancement of technology, more devices need cellular networks. In that case, 4G is unable to provide faster speed and data transfer.
5G network:
5G network stirs up the mobile network with faster uploading speed and high downloading. It enables access to multiple devices at the same time. Connection is stable and bandwidth is improved for access and sharing of large data. It compiles the data quickly and reduces the lag times. The advantages of 5G are to improve productivity and made the business more efficient.
Difference between 4G and 5G:
Due to fast speed and low latency, 5G is more advanced than 3G.
Speed:
Speed is the basic element for the next-generation network. 5G network is smarter, faster, and more efficient than the fourth-generation network. The speed of the 5G network is 10 gigabits per second it is 100 times faster than 4G. With a 5G network, high definition easily downloads in a second while with 4G it takes an hour. Connectivity varies depending on the network in use.
Spectrum:
Every network has its spectrum which indicates the total capacity of the network. Speed of the data transfer depends on the network capacity. With increasing users day by day its capacity is less this issue is solved by 5G which has a higher capacity. This is the major change in the 5G network.
Low latency:
Latency is the measurement of how much time is taken for the signal to move from the sender to the receiver and then go back. 5G network is low latency than 4G. latency rate in a 4G network is 40 to 50 milliseconds. And in 5G latency rate is one millisecond. It optimizes the traffic network more smoothly than 4G.
See lessWhat Is The Difference Between Wifi And Internet?
What Is the Difference Between Wi-Fi and Internet? Wi-Fi: Wi-Fi stands for Wireless Fidelity. It is a small network connection where all networkable devices like smartphones and computers are connected wirelessly and it also shares the internet by hotspot. For high-speed internet and connection Wi-FRead more
What Is the Difference Between Wi-Fi and Internet?
Wi-Fi:
Wi-Fi stands for Wireless Fidelity. It is a small network connection where all networkable devices like smartphones and computers are connected wirelessly and it also shares the internet by hotspot. For high-speed internet and connection Wi-Fi use radio frequency waves. The size of the antenna for the Wi-Fi is very small and easily put into the routers. This wireless connection is used to connect mobile devices, printers, and computers. Wi-Fi does not always connect you to the internet in that case,
Internet:
It is a global network that allows connecting devices and services around the world. Internet is needed when you need to search for something on the websites or download your emails. A cellular connection is also required to send pictures via email and mobile phones.
- The Internet relies on the predefined internet protocol for the transmission of data on computers.
- The Internet is a global network for communication.
- LAN services are required for connection to the Modems, switches, and routers.
- Unlike Wi-Fi internet is a language for communication.
- For computers to be globally connected, there is no need to connect to Wi-Fi.
See lessWhat Is a Wireless Access Point?
What Is a Wireless Access Point? Access point: Access points are the device that produces a WLAN wireless Local Area Network, in the office in a large building. Access points work by connecting to wired switches, hubs, and routers via an Ethernet cable and broadcasting a Wi-Fi signal to the desiredRead more
What Is a Wireless Access Point?
Access point:
Access points are the device that produces a WLAN wireless Local Area Network, in the office in a large building. Access points work by connecting to wired switches, hubs, and routers via an Ethernet cable and broadcasting a Wi-Fi signal to the desired location. For example, if you want to connect Wi-Fi to the reception of your office but there is no route in that range you can use access points near the desk and the Ethernet cable under the ceiling to the server room.
Wireless access points:
It is also known as a hotspot. It is the node or the hardware device on the (LAN) Local Area Network that allows the wireless devices to connect which also includes Bluetooth and Wi-Fi. The features of the wireless access points are the use of antenna and radio transmitter which help to connect the devices to the network, the internet.
Uses of WAP:
Stand-alone access points are small devices. In homes, wireless routers are used for networking, these routers have built-in access points that work with standalone access points..When someone uses the laptop or devices to go online the devices run through the access points either hardware connects the device to the internet without using a cable. Access points are manufactured in Wi-Fi products it allowing the business to spread wireless connectivity. Access points have the hardware, antennas, and firmware devices. To support the Wi-Fi coverage hotspot, display one or more wireless access points. In the business network, they install many access points in the office area. home connection required one APs while in offices use many access points. Access points location is very critical even for the professionals. For the installation of access points, it is necessary to cover space with good and reliable signals.
Benefits:
In the office, you have both the clients and the employees connecting with different devices on a wireless network 20 devices are added quickly. By using these network enhancers there is only one advantage.
- Business-grade APs are installed anywhere with run-on Ethernet cables. The compatibility is present between the newer models and the power over Ethernet cable, so there is no need to install separate power lines near access points.
- We can easily limit the guest access to the network without compromising on security with the additional feature including Captive Portal and (ACL) Access Control List.
See lessWhat Is a Special Character In a Password?
What Is a Special Character in a Password? A special character in a password is neither a letter nor a number. It is the selection of characters like punctuation, symbols, and accent marks that are present on the US keyboards. These special characters are frequently used in a password. Besides theseRead more
What Is a Special Character in a Password?
A special character in a password is neither a letter nor a number. It is the selection of characters like punctuation, symbols, and accent marks that are present on the US keyboards. These special characters are frequently used in a password. Besides these formatting and ASCII control characters in paragraphs are also special characters. These special characters are adaptable and used for different purposes in mathematical operations, coding, and writing. Keyboard characters, special letters, and special letters are also referred to as special characters.
Special characters in password:
Special characters are mostly used when there is a need to create a strong password for security. Special characters reduce the chances of an attack to hack the user accounts, it will add complexity to the password. Many hackers cracked the password by guessing the character combination, for example, 1234, to get the accounts. Using special characters in the password reduces predictability. Special characters lose their strength if used in predictable ways like replacing the “s” with the “$”.
Software for special characters:
Many software is developed in the operating system that enables the users to use symbols and special characters that are not present on the standard QWERTY keyboard. These programs are not suited to other applications. All the special characters and the symbols you need are not present on the keyboard and also keystrokes may be too multiplex to recall. The benefits of the special character software are,
- Rocket
- Win composes
- Character Map UWP
- Symbol search.
See lessWhat Type Of Port Is Sometimes Used By Routers For Management And Configuration Purposes??
What Type of Port Is Sometimes Used by Routers for Management and Configuration Purposes? Answer: Db9 port Ps/2 port Esata port lpt port The port used by routers for management and configuration purposes is the Db9 port. The console part in most routers is used to enter the console interface on yourRead more
What Type of Port Is Sometimes Used by Routers for Management and Configuration Purposes?
Answer:
The port used by routers for management and configuration purposes is the Db9 port. The console part in most routers is used to enter the console interface on your computer for management, configuration, and administration purposes. The console is used when you want to connect the router to the PC. Console or rollover cable has at one end the db9 connector and on the other end is RJ 45. Nowadays db9 is not present in most computers so you need to have a USB to serial converter. The rollover cable is connected to the PC or computer through the db9 connector and then to the console port of the router.
Db9 connector:
The DB9 connector is the most common type of electrical connector. It is one of the common or D-subdivision of connectors. The term DB9 has small “footprints” of the D-subtype of the connectors and the 9-pin house refers to the male connectors and the 9 holes refer to the female connectors. DE-9 mistakenly refers to DB-9 port. The term E refers to the size of the shell. For example, the DB-25 port has a “B” shell size. 9-pin connectors are the most common and in small size has “E” shell size. At first, when the 9-pin ports are begun to use the PC using the DB-25 port for their serial connection now the term labeled as DB-9 ignores “B” it represents the shell size. DB-9 is the” E” shell size and refer as 9-pin ports.
Uses:
DB-9 connectors are used in the following ports,
- Network ports
- Communication ports.
See lessWhat Is Network Security Key On Router?
What Is Network Security Key on Router? Network security key: The network security key is also known as the Wi-Fi or wireless network password. For connection to the wireless network, this password is used. Each router or access points have network security keys so that you can change the setting onRead more
What Is Network Security Key on Router?
Network security key:
The network security key is also known as the Wi-Fi or wireless network password. For connection to the wireless network, this password is used. Each router or access points have network security keys so that you can change the setting on the device interface. It is very important for protection from intruders. With these network security keys, you can connect to the network. So, keep the security of the network strong.
It is some kind of password in the form of biometric data, digital signature, or a physical password that is used for the verification and accessibility to the device or network which the clients want to connect with. It is the firm connection between the wireless device and the client. The network security keys are used everywhere nowadays like in online shopping and banking, transaction money in the form of a one-time password, logging in to the accounts, and the internet service.
For routers:
You will not able to use internet services like watching movies, or online playing games if you forget the network security key.so these are some ways to find the keys for the routers
Types of network security keys:
The common types of network keys for the protection of wireless networks are (WPA AND WPA2) WIFI-protected access and (WEP) wired equivalent privacy.
Wired equivalence privacy:
It is the traditional key used for wireless networks. A 40-bit key is used by WAP for coded the data between the personal computer and the router. But this is not used nowadays because it exposes the network to attackers.
WIFI protected access:
Nowadays modern access points use WPA2 and WPA3 for network protection. With WPA2 the network is harder to secure to hack. This key uses the temporary key that changes with packets. For the protection of the home wireless network always use WPA2.
See lessWhat Does Wi Fi Stand For?
What Does Wi-Fi Stand For? WiFi network: In the WIFI network with the help of a wireless router internet connection is split into many devices in the business and home. In an internet modem, the router is directly connected and proceeds as a hub to transmit the signal to all the devices. Within theRead more
What Does Wi-Fi Stand For?
WiFi network:
In the WIFI network with the help of a wireless router internet connection is split into many devices in the business and home. In an internet modem, the router is directly connected and proceeds as a hub to transmit the signal to all the devices. Within the WIFI network coverage, it provides the facility to be connected to the internet. Some people may confuse WIFI with the internet. Precisely WIFI is the wireless connection. WIFI brings the internet connection to the wireless devices but it’s not the internet.
WIFI networks use radio frequency signals in the electromagnetic spectrum between 2 gigahertz to 5 gigahertz to connect to the internet to send and receive messages between the devices. With the assistance of waves, everything such as laptops, PC, and mobile phones uses a WIFI internet connection without wires.
Without the internet, you can also access WIFI. According to the founder of VinPit Miranda says by using the WIFI Dongle cable easily access the internet also connect to the public WIFI at the hotels and restaurants, enabling your hotspot to use the USB Dongle cable to connect the smartphone to the computer to go online.
WIFI stands for:
WIFI does not stand for anything, mostly it is thought that it is the short form of wireless fidelity but there is not the right thing. Some customers do not understand the marketing of WIFI. So the business marketing uses the user-friendly name for the WIFI as wireless fidelity instead of use, not the user-friendly name IEEE 802.11. WIFI is the trademarked term that represents the technology or device based on the institute of Electrical and Electronics Engineers (IEEE) wireless communication standard 802.11. Trademark companies use the wireless Fidelity for WIFI to understand the broadcasting to the industry.
See less