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Routing > Module 13 > Flashcards

Module 13 Flashcards

1
Q

What is the main objective of the WLAN Configuration module?

A

Implement a WLAN using a wireless router and WLC.

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2
Q

What is the purpose of configuring a WLAN for a remote site?

A

To support a remote site.

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3
Q

What authentication method is used when configuring a basic WLAN on the WLC?

A

WPA2 PSK authentication.

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4
Q

What are the key steps for configuring a basic WLAN on the WLC?

A
  • Create the WLAN
  • Apply and Enable the WLAN
  • Select the Interface
  • Secure the WLAN
  • Verify the WLAN is Operational
  • Monitor the WLAN
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5
Q

True or False: The WLAN menu on the left is used to view the newly configured WLAN and its settings.

A

True

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6
Q

What tab is used to monitor WLAN operations on the WLC?

A

Monitor tab.

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7
Q

What is the first action to take when configuring a WLAN on the WLC?

A

Create the WLAN.

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8
Q

Fill in the blank: The interface that will carry the WLAN traffic must be _______.

A

selected.

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9
Q

What does the Security tab in the WLC configuration allow you to do?

A

Access all the available options for securing the LAN.

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10
Q

What does each physical port on a WLC support?

A

Many APs and WLANs.

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11
Q

What protocol do controller-based APs use to communicate with a WLAN controller?

A

Lightweight Access Point Protocol (LWAPP).

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12
Q

What feature allows certain traffic types to be prioritized over others in wireless networks?

A

Quality of Service (QoS).

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13
Q

What is the role of a RADIUS server in a WLAN configuration?

A

Provide authentication, authorization, and accounting (AAA) services.

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14
Q

What should be done immediately after logging into a wireless router?

A

Change the default administrative password.

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15
Q

What is the purpose of Network Address Translation (NAT) in a wireless router?

A

Translate a private IPv4 address to a public address for communication.

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16
Q

What is the main advantage of using a wireless mesh network?

A

Extend wireless coverage beyond the range of a single router.

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17
Q

What is the default username commonly used to access a wireless router’s configuration GUI?

A

admin.

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18
Q

What is the function of SNMP in wireless network management?

A

Manage network devices and forward log messages.

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19
Q

What is the first step in configuring a WPA2 Enterprise WLAN on the WLC?

A

Configure RADIUS server information.

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20
Q

What happens when you click ‘New…’ under RADIUS settings?

A

You can add a new RADIUS server.

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21
Q

What is the significance of having VLANs for WLANs on the WLC?

A

Each WLAN needs its own virtual interface.

22
Q

To troubleshoot WLAN issues, what should be done when the network is slow?

A
  • Upgrade your wireless clients
  • Split the traffic between frequency bands
23
Q

Fill in the blank: The AP connected to the WLC is often referred to as a _______.

A

lightweight AP.

24
Q

What feature allows specific TCP and UDP ports to be opened on a wireless router?

A

Port forwarding.

25
Q

True or False: The wireless router configuration can typically be accessed through a command-line interface.

A

False

26
Q

What is the typical use case for a small office and home wireless router?

A

Provide WLAN security, DHCP services, and NAT.

27
Q

What is the significance of the ‘Network Summary’ page on the WLC?

A

Provides an overview of configured wireless networks, APs, and active clients.

28
Q

What should you do to ensure there are no overlapping channels in a WLAN configuration?

A

Configure the channel carefully.

29
Q

What is the benefit of splitting wireless traffic between the 2.4 GHz and 5 GHz bands?

A

It helps manage traffic by using two separate wireless networks.

30
Q

What type of traffic is the 2.4 GHz band suitable for?

A

Basic Internet traffic that is not time-sensitive.

31
Q

Why is the 5 GHz band ideal for streaming multimedia?

A

It is much less crowded and has more channels, reducing interference.

32
Q

What is the first step in the WLAN troubleshooting process?

A

Identify the Problem.

33
Q

What command can be used to confirm the network configuration on a PC?

A

ipconfig

34
Q

What should you check if a wireless client is not connecting?

A

Confirm power to all devices and inspect links for bad connectors.

35
Q

Fill in the blank: The process of analyzing and resolving network issues is called _______.

A

troubleshooting

36
Q

What should be done after determining the cause of a WLAN issue?

A

Establish a Plan of Action to Resolve the Problem and Implement the Solution.

37
Q

What is the purpose of a RADIUS server in WLAN user authentication?

A

To provide authentication, accounting, and auditing (AAA) services.

38
Q

True or False: Dual-band routers typically use different network names for the 2.4 GHz and 5 GHz bands.

A

False

39
Q

What should be done to improve the range of a wireless network?

A

Ensure the router or AP location is free of obstructions.

40
Q

What is the role of SNMP in WLAN management?

A

To monitor the network and forward log messages to the SNMP server.

41
Q

What does QoS stand for and what is its purpose?

A

Quality of Service; it prioritizes certain traffic types over others.

42
Q

What is the default key management protocol for WPA2 Enterprise WLAN?

A

802.1X

43
Q

List the steps to configure a new interface on a WLC.

A
  • Create a new interface
  • Configure VLAN name and ID
  • Configure port and interface address
  • Configure DHCP server address
  • Apply and Confirm
  • Verify Interfaces
44
Q

What should be done periodically to maintain wireless routers and APs?

A

Verify and upgrade firmware.

45
Q

What is the first action you should take when setting up a wireless router?

A

Change the username and password.

46
Q

Fill in the blank: Lightweight APs (LAPs) communicate with a WLAN controller using _______.

A

Lightweight Access Point Protocol (LWAPP)

47
Q

What can be used to extend the range of a wireless network beyond approximately 45 meters indoors?

A

Add wireless access points.

48
Q

What is the purpose of the DHCP scope in WLAN configuration?

A

To allocate IP addresses to devices on the network.

49
Q

What should you do if the wireless connection is performing poorly?

A

Check the channel settings and for interference.

50
Q

What is the significance of documenting findings in the troubleshooting process?

A

It is important for future reference.

51
Q

What is NAT and what does it do?

A

Network Address Translation; it converts private IPv4 addresses to internet-routable IPv4 addresses.

Routing (19 decks)

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