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Cisco 200-355 > 10. Controller-based Deploments > Flashcards

10. Controller-based Deploments Flashcards

1
Q

On a wireless controller, what are the difference between controller ports and interfaces?

A

Controller port are physical connections to external devices.

Interfaces are logical connections made internally within the controller.

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2
Q

What are the four types of ports that could be on a controller?

A 
Service port (switch access mode)
Distribution system port (switch 802.1Q trunk)
Console port
Redundancy port (peer controller)
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3
Q

What is a service port used for?

A

Out-of-band management
System recovery
Initial boot functions

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4
Q

What is the distribution system port used for?

A

All normal AP and management traffic

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5
Q

The distribution system ports can be configured to operate independently or what 2 other ways?

A

Redundant pairs

LAG (link aggregation group)

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6
Q

What are the 5 types of interfaces are on a wireless controller?

A 
Management interface
AP-manager interface
Virtual interface
Service port interface
Dynamic interface
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7
Q

What is a management interface on a wireless controller used for?

A

Normal management traffic, like user authentication, WLC-to-WLC communication, web based
and SSH sessions, SNMP, NTP, etc.

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8
Q

What is the AP-manager on a wireless controller used for?

A

It’s a dynamic interface used to terminate CAPWAP tunnels. If not created, CAPWAP will be terminated on management interface.

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9
Q

What is the virtual interface on a wireless controller used for?

A

IP address facing wireless clients when the controller is relaying client DHCP requests, performing client web authentication, and supporting client mobility.

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10
Q

What is a dynamic interface on a wireless controller used for?

A

Used to connect a VLAN to a WLAN.

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11
Q

What ports can be used to initially setup a wireless controller?

A

Service port

Console port

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12
Q

Initially before configuration, what IP address will a wireless controller get on its service port?

A

If it is connected to a vlan that has a dhcp server, it will get an IP address from the dhcp pool.
If there is no dhcp server, it will take the default IP address of 192.168.1.1/24

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13
Q

What are the configuration steps on a centralized controller using the configuration wizard?

A
  1. system access
  2. SNMP access
  3. service port
  4. LAG mode
  5. management interface
  6. RF mobility domain and country code
  7. virtual interface
  8. WLAN
  9. RADIUS server (optional-can skip)
  10. 802.11 support
  11. system clock
  12. save and reboot
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14
Q

What is the default username and password for a wireless controller?

A

admin

admin

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15
Q

What is the default SNMP settings on a wireless controller?

A

Version 1 is disabled
Version 2c is enabled
Version 3 is enabled

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16
Q

What is the default LAG setting on a wireless controller?

A

Enabled (all distribution system ports will be bundled together)

17
Q

What is the default vlan on the management interface on a wireless controller?

18
Q

On the 802.11 tab of the wireless controller configuration wizard there is a check box for Auto RF. What is another name for this feature and what does it do?

A

Radio Resource Management (RRM)

Automatically determines the channel and transmit power for each AP’s radio.

19
Q

What are the steps in configuring a WCM using the configuration wizard?

A
  1. admin user
  2. SNMP system summary
  3. management port
  4. wireless management
  5. RF mobility and country code
  6. mobility configuration
  7. WLANs
  8. 802.11 configuration
  9. set time
  10. apply wizard (must click the Apply button)
20
Q

What are the steps in configuring a wireless controller using the WLAN Express Setup (WES)?

A
  1. admin user
  2. identify the controller
  3. wireless networks
  4. verify and apply
21
Q

When using the web GUI to configure a wireless controller, does the Apply button save the configuration?

A

No. It applies the changes to the running config but those changes will not survive a reboot. Click Save Configuration.

22
Q

From the web GUI on a controller, what two types of file transfer can be used to save a backup copy of the config?

A

TFTP and FTP

23
Q

When using the web GUI to save a backup copy of the config, do you do an upload or download?

A

Upload

You are uploading the file from the controller to a server.

24
Q

On the web GUI of a WLC, how do you navigate the menus to save a backup copy of the config?

A

Commands > Upload File

25
Q

On the web GUI of a WCM, how do you navigate the menus to save a backup copy of the config?

A

Configuration > Commands > Upload File

26
Q

How many separate code images does a WLC maintain?

A

Two (primary and backup)

27
Q

On the web GUI of a WLC, how do you navigate the menus to download a new code image?

A

Commands > Download File

28
Q

On the web GUI of a WLC, how do you navigate the menus to choose which code image to boot from?

A

Commands > Config Boot

29
Q

After copying a new code image file to a controller, how should you copy the same code release to the lightweight APs?

A

Do nothing. The AP will get the new image when it joins the controller.

30
Q

How many distribution ports are available on a 5508 WLC and what speed are they?

A

8 - 1Gbps ports

31
Q

How many distribution ports are available on a 5520 WLC and 5760 WLC and what speed are they?

A

5520 (2) 1 Gbps ports or 10Gbps

5760 (6) 1 Gbps ports or 10Gbps

Cisco 200-355 (19 decks)

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