Tag: science & technology

The 123 Agreement is officially known as the Indo-US Civil Nuclear Agreement. The term '123 Agreement' comes from Section 123 of the US Atomic Energy Act, which governs civilian nuclear cooperation agreements. This landmark 2008 agreement allowed nuclear trade between India and the United States.

When an email is forwarded, the original sender typically cannot track where it has been forwarded to. The forwarding happens at the recipient's email server or client level, and the original sender has no visibility into this action. Email forwarding is designed to be transparent to senders.

Nmap (Network Mapper) is the standard tool for port scanning and network discovery. It can identify open ports, running services, and operating systems on a target system. Wireshark and Etherial are packet analyzers for examining network traffic, not port scanning. A 'switch sniffer' is not a standard tool category.

A honeypot is a security mechanism set up to detect, deflect, or counteract attempts at unauthorized access to computer systems. It appears as an attractive target (like a vulnerable server) to lure attackers, allowing security researchers to study their methods and protect real systems. It is absolutely not for hacking systems or downloading content.

The OSI (Open Systems Interconnection) model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application. This model standardizes network communication functions into different layers, making it easier to understand and troubleshoot networking issues.

White hat hackers are ethical hackers who use their skills to find vulnerabilities in systems with permission from the owners. They help organizations improve security by identifying and fixing flaws before malicious hackers can exploit them. Black hat hackers are the malicious ones, while grey hats operate in between.

DDoS (Distributed Denial of Service) attacks overwhelm a website with traffic from multiple sources, making it unavailable to legitimate users. 'Botting' is not a standard security term, 'unlimited pings' isn't a recognized attack type, and 'Echo attack' isn't a standard attack category. The question has grammatical issues ('attackes' typo) but the correct answer is clear.

When you access a website using HTTPS (secure HTTP), the browser connects to port 443 on the server. This is the standard port for HTTPS traffic, which uses SSL/TLS encryption to secure communications. Port 80 is for unencrypted HTTP, port 21 is for FTP, and port 139 is for NetBIOS file sharing.

Java 1.5 (J2SE 5.0) was codenamed 'Tiger' and was released in 2004. It introduced significant features like generics, enhanced for-loop, autoboxing, annotations, and enums. Other notable Java codenames include Mustang (1.6), Dolphin (1.7), and various animal/nature names for later versions.