CompTIA Network+ Training Kit (Exam N10-005) by Craig Zacker

By Craig Zacker

Ace your coaching for the talents measured through CompTIA community+ examination N10-005. paintings at your individual speed via a sequence of classes and reports that totally hide each one examination goal. Then, strengthen what you’ve realized via using your wisdom to real-world case eventualities and perform routines. This consultant is designed to assist utilize your examine time.

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If, for example, the cables are too long on an Ethernet network, the systems will be unable to detect packet collisions when they occur, and collision detection is one of the critical elements of the Ethernet MAC mechanism. Excessively long cables can also result in signal degradation and the increased likelihood of signal interference. more info Learning More About Data-Link Layer Protocols For more detailed information about the data-link layer specifications of specific types of networks, see the chapters listed in Table 1-3.

When a router receives an incoming datagram, it reads the destination address from the network layer protocol header, and checks that address against its routing table. If the router has information about the destination network, it forwards the datagram to the next router in its path. 24 Chapter 1 Networking Basics Key Terms Each journey from one router to another is referred to as a hop. In many cases, the efficiency of a route is measured by the number of hops—that is, intervening routers—between the source and the destination.

For example, two of the most prominent bit-encoding methods, ASCII (American Standard Code for Information Interchange) and EBCDIC (Extended Binary Coded Decimal Interchange Code), are simply tables of binary codes equivalent to the standard US English character set. Key Terms The translation occurs in two stages. The presentation layer on the sending system trans­lates the message from its native form, which is called an abstract syntax, to a transfer syntax, which is a common syntax agreed upon by the two connected end systems.

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