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Additional info for CCENT/CCNA ICND1 Official Exam Certification Guide, 2nd Edition
Ethernet b. HTTP c. IP d. UDP e. ” Quiz 3. 4. 5. 6. f. TCP g. PPP The process of HTTP asking TCP to send some data and make sure that it is received correctly is an example of what? a. Same-layer interaction b. Adjacent-layer interaction c. The OSI model d. All the other answers are correct. The process of TCP on one computer marking a segment as segment 1, and the receiving computer then acknowledging the receipt of segment 1, is an example of what? a. Data encapsulation b. Same-layer interaction c.
Applications such as the contrived Fred Transfer Program or the real-life File Transfer Protocol (FTP) ask the underlying hardware to transfer the contents of files. com—but the name gets translated into the correct address. Now on to the real chapters, with real protocols and devices, with topics that you could see on the ICND1 exam. fm Page 16 Thursday, July 26, 2007 3:10 PM This chapter covers the following subjects: The TCP/IP Protocol Architecture: This section explains the terminology and concepts behind the world’s most popular networking model, TCP/IP.
We just send electricity from the closet out to the wall plug near every desk. ” With that bit of input, Pebbles has all the inspiration she needs. Emboldened by the fact that she has already created the world’s first PC networking card, she decides to create a device that will allow cabling similar to Bamm-Bamm’s electrical cabling plan. Pebble’s solution to this first major hurdle is shown in Figure 1-5. fm Page 10 Thursday, July 26, 2007 3:10 PM 10 Chapter 1: Introduction to Computer Networking Concepts Figure 1-5 Star Cabling to a Repeater PC1 Hub When bits enter any port on wire 1: Repeat them back out the other ports on wire 2.