PPP and HDLC are both methods for accessing the services of WAN providers by using protocols that connect peer devices.
A communications system known as a wide area network covers a huge geographic area. Leased telecom lines are frequently used to set up wide area networks (WAN).
One of the most popular kinds of WAN connections is a point-to-point connection. PPP connections are used to link LAN segments within a company's network as well as LANs to service provider WANs. The High-Level Data Link Control protocol is known as HDLC. HDLC is a Layer 2 protocol, same like the other two WAN protocols discussed in this article (see OSI Model for more information on Layers). A straightforward protocol called HDLC is used to link point-to-point serial devices.
PPP is a byte-oriented protocol for communication over point-to-point links, whereas HDLC is a bit-oriented protocol for communication across point-to-point and multipoint links. HDLC is a bit-reliant, code-transparent synchronous data link layer protocol.
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Explanation:
They both have environmental advantages but Egypt is not an empire or city state like Mesopotamia
Answer: Patent and copyright for the software product and copyright for book
Explanation:
A patent grants property rights on an invention such as software products, allowing the patent holder to exclude others from making, selling, or using the invention. Copyright are also used to protect the written code of a software program.
Copyrights protect original works of authorship, such as literary works, music, dramatic works, pantomimes and choreographic works, sculptural, pictorial, and graphic works, sound recordings, artistic works, architectural works, and computer software. With copyright protection, the holder has the exclusive rights to modify, distribute, perform, create, display, and copy the work.
The answer is B . I hope this will help you :D
