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Question 1

What does WLAN stand for?

Answer 1

Wireless Local Area Network

WLAN allows mobile users to connect to a LAN through a wireless connection.

Question 2

What is one advantage of WLAN?

Answer 2

Increased mobility

WLAN allows users to move about without restriction and access LANs from nearly anywhere.

Question 3

What is the difference between autonomous and controller-based access points?

Answer 3

Autonomous APs require manual configuration; controller-based APs are automatically managed by a Central Wireless LAN Controller (WLC).

Question 4

What is an Access Point (AP)?

Answer 4

A device that bridges wired and wireless networks, allowing Wi-Fi devices to connect to a wired network.

Question 5

What does BSS stand for?

Answer 5

Basic Service Set

BSS is a self-contained network created with an AP for other stations to join.

Question 6

What is ESS?

Answer 6

Extended Service Set

ESS is a wireless network created by multiple access points, appearing as a single network.

Question 7

What is the function of SSID?

Answer 7

A unique string that identifies a network and limits access to the service area covered by APs.

Question 8

True or False: SSID broadcasting can be disabled to improve security.

Answer 8

True

Question 9

Fill in the blank: Ad-Hoc mode allows devices to communicate without a central device like a _______.

Answer 9

router

Question 10

What are the two WLAN modes of operation?

Answer 10

• Ad-Hoc mode
• Infrastructure mode

Question 11

What does AAA stand for in wireless network architecture?

Answer 11

Authentication, Authorization, and Accounting

Question 12

What is CAPWAP?

Answer 12

Control And Provisioning of Wireless Access Points

CAPWAP is used for encapsulation and forwarding of traffic between AP and WLC.

Question 13

What are the four wireless protocols mentioned?

Answer 13

• WEP
• WPA
• WPA2
• WPA3

Question 14

What is the primary weakness of WEP?

Answer 14

Creates a detectable pattern, making it easily broken.

Question 15

What does WPA replace in terms of encryption?

Answer 15

Replaces WEP with TKIP (Temporal Key Integrity Protocol)

Question 16

What are the two main encryption mechanisms used in WPA2?

Answer 16

• Advanced Encryption Standard (AES)
• Cipher Block Chaining Message Authentication Code Protocol

Question 17

What is the purpose of WPA3?

Answer 17

To solve WPA2’s vulnerabilities with a more secure cryptographic handshake.

Question 18

What is a Honeypot AP?

Answer 18

A free AP installed with default SSID to attract clients for potential attacks.

Question 19

What is MAC Spoofing?

Answer 19

Changing a device’s MAC address to imitate a different device on the network.

Question 20

What is one method of securing a wireless network?

Answer 20

• Segmentation
• MAC filtering
• Authentication and Access controls
• Encryption
• Hardening

Question 21

What is IPSec?

Answer 21

A framework of protocols designed to provide security for packets transmitted over a network.

Question 22

What are the two main protocols used in IPSec?

Answer 22

• AH (Authentication Header)
• ESP (Encapsulation Security Payload)

Question 23

What does the Transport Mode of IPSec secure?

Answer 23

Only the payload of the IP packet, leaving the header untouched.

Question 24

What is the main advantage of Tunnel Mode in IPSec?

Answer 24

Encapsulates the entire IP packet, ensuring confidentiality and integrity.

Question 25

What is one advantage of using IPSec?

Answer 25

* Strong security * Scalability * Flexibility * Interoperability * Improved network performance

Question 26

What is a disadvantage of IPSec?

Answer 26

* Configuration complexity * Compatibility issues * Key management