By Mike Meyers

From Mike Meyers, the number one identify in CompTIA education and examination education, a radical revision of his bestselling examination guide―updated to hide the 2015 liberate of the CompTIA community+ exam.

Get whole assurance of all of the CompTIA community+ examination pursuits inside of this finished source. Written through the prime specialist on CompTIA certification and coaching, Mike Meyers, this authoritative advisor covers examination N10-006 in complete element. You’ll locate studying ambitions firstly of every bankruptcy, examination information, situations, perform examination questions, and in-depth factors. Designed that can assist you cross the examination conveniently, this definitive quantity additionally serves as an important on-the-job reference. additionally comprises a suggestion for a ten% in your examination voucher!

CompTIA community+ Certification All-in-One examination consultant, 6th variation covers all examination themes, including:

- community architectures
- Cabling and topology
- Ethernet basics
- community installation
- TCP/IP functions and community protocols
- Routing
- community naming
- complex networking devices
- IPv6
- distant connectivity
- instant networking
- Virtualization and cloud computing
- community operations
- handling risk
- community security
- community tracking and troubleshooting

Electronic content material includes:

- a hundred+ perform examination questions in a customizable try out engine on hand for download
- 20+ lab simulations on-line that will help you organize for the performance-based questions
- One hour of on-line video education from Mike Meyers
- A hyperlink to Mike’s favourite shareware and freeware networking instruments and utilities
- PDF reproduction of the publication

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Extra info for CompTIA Network+ Certification All-in-One Exam Guide (Exam N10-006)

Example text

A canister can carry anything from dirt to diamonds—the NIC doesn’t care one bit (pardon the pun). Figure 2-18 Frame as a canister Like a canister, a frame can hold only a certain amount of data. Different types of networks use different sizes of frames, but the frames used in most networks hold at most 1500 bytes of data. This raises a new question: What happens when the data to be sent is larger than the frame size? Well, the sending system’s software must chop the data up into nice, frame-sized chunks, which it then hands to the NIC for sending.

The new frame type will be the appropriate technology for whatever connection technology connects to the next router. That could be a cable or DSL network connection, for example (Figure 2-32). The IP packet, on the other hand, remains unchanged. indd 32 19/03/15 5:22 PM All-In-One / CompTIA Network+ AIO Exam Guide / Meyers / 822-3 / Chapter 2 Chapter 2: Network Models 33 Figure 2-32 Router removing network frame and adding one for the outgoing connection Once the packet reaches the destination subnet’s router, that router will strip off the incoming frame—no matter what type—look at the destination IP address, and then add a frame with the appropriate destination MAC address that matches the destination IP address.

The Transport layer breaks that data into chunks, adding port numbers and sequence numbers, creating the TCP segment. The Transport layer then hands the TCP segment to the Internet layer, which, in turn, creates the IP packet. indd 43 19/03/15 5:23 PM All-In-One / CompTIA Network+ AIO Exam Guide / Meyers / 822-3 / Chapter 2 CompTIA Network+ AIO Exam Guide 44 Although a lot of traffic on a TCP/IP network uses TCP at the Transport layer, like Yoda said in The Empire Strikes Back, “There is another,” and that’s UDP.

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