1.0 Network Fundamentals

Question 1

IPv6 addresses reserved for documentation

Answer 1

2001:db8::/32

Question 2

2 Types of wireless access points (AP)

Answer 2

1. Autonomous
2. Controller-based

Question 3

Autonomous AP 3 Main Points

Answer 3

1. Useful when just a couple of APs are required for full coverage
2. Configuration is done on device, per-device
3. Operate independently of other APs

Question 4

Controller-based AP 3 Main Points

Answer 4

1. aka Lightweight AP (LAP)
2. Uses Lightweight Access Point Protocol (LWAPP) to communicate with WLC controller
3. Configuration and management done through WLC controller

Question 5

WLAN Controller (WLC) and link aggregation group (LAG)

Answer 5

1. WLC connects to network via multiple ports
2. LAG groups the ports to provide redundancy and load balancing
3. Similar to EtherChannel (but not exactly)

Question 6

Switch configuration for WLC using LAG, 2 Requirements

Answer 6

1. Switch ports need to be trunk mode
2. EtherChannel on

Question 7

True/False: WLC supports Port Aggregation Protocol (PaGP) and Link Aggregation Control Protocol (LACP)

Answer 7

False

Question 8

What does Cisco DNA Center to use configure devices and what protocol does it run over?

Answer 8

1. REST-ful API called RESTCONF using YANG data model
2. HTTPS

Question 9

What are the 5 main capabilities Cisco DNA Center provides?

Answer 9

1. Design (geographical-based groups for devices)
2. Policy (set network access policies)
3. Provision (remotely configure devices upon bringing online)
4. Assurance (monitor and troubleshoot network issues)
5. Platform (scripting via APIs to automate tasks)

Question 10

3 Layers of 3-tier Network Model