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In 2020, Pakistan announced its plans to launch a ferry service in near future linking Pakistan through Karachi and Gwadar to Iran, Oman, UAE, and Iraq. India -Thar Express to Karachi and the more famous Samjhauta Express international train from Lahore, Pakistan to Amritsar and Delhi, India. The weekly Thar Express also runs between Karachi and Bhagat Ki Kothi . Green Line Metrobus is a first phase of Karachi Metrobus that is under construction in Karachi. Luxury SUVs and cars are owned by the elite in urban cities and by many large landowners in the villages and rural areas, thus making them a fairly common sight in Pakistan. Most of the technical security concerns are similar to those of conventional servers, workstations and smartphones. These concerns include using weak authentication, forgetting to change default credentials, unencrypted messages sent between devices, SQL injections, Man-in-the-middle attacks, and poor handling of security updates. However, many IoT devices h...

Apart from any physical transmission media, networks are built from additional basic system building blocks, such as network interface controllers , repeaters, hubs, bridges, switches, routers, modems, and firewalls. Any particular piece of equipment will frequently contain multiple building blocks and so may perform multiple functions. The most striking example of an overlay network is the Internet itself. The Internet itself was initially built as an overlay on the telephone network. Even today, each Internet node can communicate with virtually any other through an underlying mesh of sub-networks of wildly different topologies and technologies. For example, around 6000 BCE, a new variety of wheat arose in South Asia and Egypt. It was stronger than previous cereal grains; its hulls were easier to remove and it could be made into bread. The first domesticated animals were dogs, which were used for hunting. Eventually, people used domesticated animals such as oxen for plowing, pulli...