Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Let us begin by learning about GSM.GSMGSM is a standard set produced by European Telecommunications Standards Institute (ETSI) to represents technologies for second-generation (2G) digital mobile system. The GSM standard is more enhanced after the development of the third-generation (3G) UMTS standard created by the 3GPP.GSM phones can be recognized by the existence of a Subscriber Identity Module (SIM). This is a very small object, which is about as broad as a finger, is a removable smart card that includes a user’s subscription data, and some contact entries.This SIM card enables a user to switch from one GSM phone to ... Read More
Let us begin by understanding what SHA1 is.SHA1SHA-1 is one of the most broadly used and set up cryptographic hash functions frequently used by SSL certificate authorities to sign certificates. It was the earliest hash algorithm stated for use by the U.S. federal government. It was produced by NIST and the NSA.SHA-1 was written as a federal administration standard in 1995 as an upgrade to the SHA, which was written in 1993. It takes an input and makes a 160-bit (20-byte) hash value called a message digest. It is generally described by a 40-digit long hexadecimal string. The SHA-1 is ... Read More
VPN represents the virtual private network. It is an encrypted connection over the web from a device to a network. The encrypted connection helps provide that sensitive information is safely transmitted. It avoids unauthorized persons from eavesdropping on the traffic and enables the user to manage work remotely. VPN technology is broadly used in corporate environments.A VPN protects your IP address by allowing the network to redirect it through a specially configured remote server run by a VPN host. This defines that if you surf online with a VPN, the VPN server becomes the source of your information. This defines ... Read More
Let us begin by learning about domain names.Domain NameA domain name is the theme interpretation of an IP address. An IP address and its related domain name. As with an IP address, the element of a domain name is removed by periods. The text in the domain name up to the first duration identifies the kind of web server.A domain name is a web resource name that is universally pretended by web servers and online organizations and provides all pertinent destination records. It can access an organization’s internet-based services, website users should understand the precise domain name.The DNS system is ... Read More
An SSL certificate is a digital certificate that verifies a website's integrity and enables an encrypted connection. SSL represents Secure Sockets Layer. It is a security protocol that makes an encrypted linked between a web server and a web browser.Companies and organizations required to insert SSL certificates to their websites to secure online transactions and maintain user data private and secure. SSL keeps internet connections secure and avoids criminals from reading or changing data shared between two systems.SSL operates by providing that any data shared between users and websites, or between two systems, remains impossible to read. It facilitates encryption ... Read More
Let us understand what synchronous TDM is.Synchronous TDMSynchronous TDM is known as synchronous. It is essential because each time slot is pre-assigned to a constant source. The time slots are sent regardless of whether the sources have some data to send or not. TDM devices can handle the source of several data cost. This is completed by authorizing fewer slots per cycle to the passive input devices than the rapid device.In STDM, the multiplexer authorizes a similar time slot to every device at sometimes, whether or not a device has something to send. Time slot A, for instance, is authorized ... Read More
NTP represents Network Time Protocol. It is a TCP/IP protocol that can synchronize the computer clocks across data networks. NTP was created in the 1980s by D.L. Mills at the University of Delaware to achieve highly efficient time synchronization and to maintain the effects of variable latency over packet-switched data networks through a jitter buffer.NTP allows the synchronization of computer clocks distributed across the network by providing efficient local timekeeping concerning some specific time on the Internet. NTP interacts among users and servers using the User Datagram Protocol on port No.123.The NTP software package contains a background program referred to ... Read More
A Trojan horse is a kind of malware that downloads onto a computer disguised as a legitimate issue. A Trojan horse is formal because of its delivery techniques, which generally defines an attacker uses social engineering to hide malicious codes inside legitimate software. However, unlike computer viruses or worms, a Trojan does not self-replicate, therefore it requires to be installed by a valid user.A trojan’s intent is frequently different than that of different forms of viruses or malware, which influence to be self-propagating to intensify damage regardless of their being revealed. The main goal of trojan’s is to remain hidden. ... Read More
RAT represents Remote Access Trojan. It is a type of malware that supports the attacker with complete remote control over your system. When a RAT influences your computer, it enables the hacker to simply access your local files, secure login authorization, and different responsive data, or need that connection to download viruses you could unintentionally move on to others.A Remote Access Trojan (or RAT) is software that enables hackers’ backdoor management access to a computer. RATs are also referred to as Creepware. It is generally downloaded either as an invisible insert-on with software the user selects to access, including a ... Read More
SPF is a kind of email authentication protocol or a method for a recipient to confirm that an email is truly coming from the sender and is not an element of spam or a phishing attack.There are various types of email authentication used to safeguard against spam, containing DomainKeys Identified Mail (DKIM) and Domain-based Message Authentication, Reporting and Conformance (DMARC). Each email authentication protocol has several methods and objectives.SPF verifies sender IP addresses. It provides senders the power to tell recipients which IP addresses you’ve authorized to send an email on their behalf. If the email appears from an IP ... Read More