cisco wireless interview questions and answers

Cisco Wireless Interview Questions Answer

Can access point enabled with LWAPP, join the controller enabled with CAPWAP?

Yes, Access point enabled with LWAPP can join the controller enabled with CAPWAP.

Give an example of access point model, which can join only CAPWAP & one example which can join either of LWAPP or CAPWAP?

Cisco Aironet 1140 only supports CAPWAP

Cisco Aironet 1130 supports both LWAPP & CAPWAP

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Depending on the level of the wireless network engineer position you’re applying for, you may get lucky and start out with a few easier questions. These might include:

In DSSS systems, PN codes modulate information bits, and the whole system bandwidth is always available for all users.

To ace wireless network engineer interview questions, you’ll need to invest time preparing for them. While you may be familiar with some or all of the topics discussed here from your experience as a wireless network engineer, you still need to be able to articulate your answers succinctly, through clear communication. So bookmark this page and use it to guide your interview questions prep.

There are various messages exchanged between AP and Station in a WLAN network for different purposes such as establishing connection, data transfer terminating the connection and more. APs are devices that help give a wired network wireless functionality. These are a few WLAN MAC messages along with their primary function:

To get one of these lucrative and specialized network engineer gigs, though, you first need to ace the job interview. You may possess all of the core credentials — from expertise in wireless equipment and WLAN design, to the ability to perform network technology wizardry with strong analytical and problem-solving skills. But if you aren’t prepared for the kinds of questions employers are likely to ask, you could miss a grand opportunity.

FAQ

What is WLC and how it works?

A wireless LAN controller (WLC) is a network component that manages wireless network access points and allows wireless devices to connect to the network. It offers central control over network elements, increases network visibility, and greatly simplifies individual component monitoring.

What is CAPWAP in WLC?

CAPWAP (Control and Provisioning of Wireless Access Points) is a protocol that enables an access controller (AC) to manage a collection of wireless termination points. CAPWAP is defined in RFC 5415.

How do we prevent loops on the WLC?

You can enable STP on the WLC to prevent loops. From the WLC GUI click Controller, then navigate to the Advanced submenu located on the left side of the application. Click the Spanning Tree option, and choose Enable for Spanning Tree Algorithm located on the right side of the application.

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