chapter_16 - Todd Lammles CompTIA Network+ Chapter 16: Wide...

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Click to edit Master subtitle style Todd Lammle’s CompTIA Network+ Chapter 16: Wide Area Networks (WANS) Instructor:
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Chapter 16 Objectives The Following CompTIA Network+ Exam Objectives Are Covered in This Chapter: 2.5 Categorize WAN technology types and properties Type: Frame relay ADSL, SDSL, VDSL, Cable modem, Satellite E1/T1, E3/T3, OC-x Wireless ATM, SONET MPLS ISDN BRI, ISDN PRI, POTS, PSTN Properties Circuit switch, Packet switch Speed, Distance Transmission media 2
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What’s a WAN? 3 WANs are communications networks that cover broad geographic areas that still frequently use phone companies (service providers) along with their circuit- switched networks to connect LANs together. WAN protocols and technologies all occupy the lower three layers of the OSI model Physical layer Data Link layer Network layer (sometimes)
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Defining WAN Terms 4 Customer premises equipment (CPE) CSU/DSU Demarcation point Local loop Central office (CO) Toll network / Provider Network
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The Public Switched Telephone Network (PSTN) 5 The portion of the PSTN running from your house to the
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chapter_16 - Todd Lammles CompTIA Network+ Chapter 16: Wide...

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