Fill in the articles

In (1) …information technology, (2) … protocol (from (3) … Greek protocollon, which was (4) … leaf of (5) … paper glued to (6) … manuscript volume, describing its contents) is (7) … special set of rules that (8) …end points in (9) … telecommunication connection use when they communicate. (10) …protocols exist at (11) … several levels in (12) … telecommunication connection. There are (13) …hardware telephone protocols. There are (14) … protocols between (15) …each of (16) …several functional layers and (17) … each corresponding layer at (18) … other end of (19) … communication. (20) …both end points must recognize and observe (21) … protocol. (22) …protocols are often described in (23) … industry or international standard.

On (24) … Internet, there are (25) … TCP/IP protocols, consisting of:

• Transmission Control Protocol (TCP), which uses (26) … set of (27) … rules to exchange (28) … messages with (29) …other Internet points at (30) … information packet level
• Internet Protocol (IP), which uses (31) … set of (32) … rules to send and receive (33) … messages at (34) … Internet address level
• (35) … additional protocols that are usually packaged with (36) … TCP/IP suite, including (37) … Hypertext Transfer Protocol (HTTP) and (38) … File Transfer Protocol (FTP), each with (39) … defined sets of (40) …rules to use with (41) … corresponding programs elsewhere on (42) … Internet

There are many other Internet protocols, such as (43) … Border Gateway Protocol (BGP) and (44) … Dynamic Host Configuration Protocol (DHCP).