Day 7. WAN, VPN, and IPsec
CCNA 200-301 Exam Topics
Describe characteristics of network topology architectures
Describe remote access and site-to-site VPNs
Key Topics
Today is a whirlwind review of WAN topologies, WAN connection options, virtual private networks (VPNs), and Internet Protocol Security (IPsec). Most of these exam topics are conceptual in nature and require no configuration skills, so read through this review several times and refer to your study resources for more in-depth review.
WAN Topologies
Figure 7-1 shows the four basic WAN topology options that a business can select for its WAN infrastructure:
Point-to-point: Typically uses a dedicated leased-line connection, such as T1/E1.
Hub-and-spoke: Offers a single-homed, ...
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