address, and the hexadecimal characters are not
case sensitive.CHAPTER 17
1. A. Ethernet is a star topology that used
concentrators to connect all the nodes in the
network.
2. C. A WAN covers a large geographic area and
uses public networks.
3. B. With a hub, every frame shows up at every
device attached to a hub, which can be really
harmful in terms of privacy.
4. C. Multiple VLANs can be implemented with
Layer 3 switches, so multiple broadcast can be
supported.
5. C. Virtual local-area networks (VLANs) divide a
single physical switch into multiple logical
networks.
6. B. CEF switching uses FIB tables in order to
make switching very fast.
7. B. NAT is used for mapping private IP addresses
to public IP addresses.
8. B. The management plane is concerned with
administrative access to a network device.
9. B. vSmart is the main brain of an SD-WAN
solution and manages the control plane.CHAPTER 18
1. A, D. Some of the benefits of using DHCP instead
of manual configurations are centralized
management of network parameters
configuration and reduced network endpoint
configuration tasks and costs.
2. C. The DNS recursive resolver is a server that
receives DNS queries from client machines and