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Understanding the Differences Between the CompTIA A+ Essentials and 702 Exams

Jan 13, 2010

📄 Contents

␡

Overview of the Domains Covered on Each Exam
Hardware
Operating Systems
Networking
Conclusion

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Networking

While both Essentials and 220-702 include a domain for Networking, the emphases in each domain (4.0 in Essentials and 3.0 in 220-702) differ, as will the keys to mastery for each domain.

Essentials Networking

For Networking 4.1, you need to understand the essential "building blocks" of networking, such as how IP addresses work and where they come from, bandwidth, protocols such as TCP/IP and NETBIOS, logical ports used for different services such as HTTP and HTTPS, LAN versus WAN, VPNs, hub versus switch and router, and more.

Networking 4.2 covers the world of network cables and connectors (CAT5, CAT5e, RJ11, RJ45, fiber, and so on).

Networking 4.3 compares and contrasts network types from the very local (Bluetooth) to the very distant (satellite).

To master this set of objectives:

Spend some time looking at network settings as displayed by IPConfig and IPConfig /all.
Check out a list of commonly used TCP and UDP port numbers used by TCP/IP, such as this one.
Compare the appearance and features of different types of network cables and ports using a resource such as the Tech-FAQs website.
Make sure you understand the differences between cable, wireless, Bluetooth, satellite, and other networks covered in Networking 4.3.

220-702 Networking

This domain includes only two groups of objectives, but as with other 220-702 domains, the emphasis is on hands-on real-world tools and experience.

For Networking 3.1, you need to know how to troubleshoot client-side connection problems: TCP/IP settings, TCP/IP characteristics, mail protocol settings, FTP settings, proxy settings, Ping, Netstat, Net Use, IPConfig, SSH/HTTPS secure networking, and firewalls.

Networking 3.2 takes you through the process of setting up a SOHO (small office/home office network), including selecting the connection type, security settings, router configuration, network speeds, firewall configuration, and physical installation.

To master this set of objectives:

Build a SOHO network using wireless, wired, or (preferably) both types of connections.
Use the troubleshooting tools discussed in domain 3.1 to check and troubleshooting connectivity issues.

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