12. Wireless Networking Flashcards Preview

CompTIA A+ Exam 220-901 > 12. Wireless Networking > Flashcards

Flashcards in 12. Wireless Networking Deck (16)
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1
Q

Which wireless encryption security standard offers the least secure protection?

A

WEP

2
Q

Which wireless encryption security standard offers the most secure protection?

A

WPA2

3
Q

Which wireless connection modality is used to create a small peer-to-peer network without using a common access point?

A

Ad hoc mode

4
Q

Describe the QoS technology Multiprotocol Label Switching (MPLS)

A

It is used to create end-to-end circuits across any type of transport medium, using any protocol.

5
Q

Describe the QoS technology IntServ

A

Uses a reservation request to secure bandwidth to facilitate best quality data transmission.

6
Q

Describe the QoS technology DiffServ

A

Marks the data packets with a DSCP value or IP precedence value.

7
Q

When configuring wireless networks with overlapping access points using the 2.4Ghz bandwidth which channels offer the best solution for preventing overlapping interface?

A

Channels 1, 6, 11

8
Q

Which statement best reflects how wireless repeaters work to extend an access points coverage without the need of additional cabling?

A

They connect over a virtual SSID

9
Q

What is the maximum possible transmission distance for a wireless device using the IEEE standard 802.11ac?

A

35 meters

10
Q

Place the steps in the correct order used by a client machine to receive a network IP address from a DHCP server.

A
  1. DHCPDiscover
  2. DHCPOffer
  3. DHCPRequest
  4. DHCPAcknowledge
11
Q

Which IP address is changed in the packet header by the protocol Network Address Translation (NAT)?

A

Source address

12
Q

What parameters can be measured by performing a site survey using a wireless scanner application when setting up a wireless network access points?

A

Link speed and signal strength

13
Q

What is the maximum character length of a WLAN access point SSID?

A

32 characters

14
Q

Which networking solution allows networked devices to connect to each other by dynamically attaching devices directly to a computer?

A

UPnP

15
Q

What type of wireless networking device can be used to extend a network to a remote access point inaccessible by direct cabling?

A

A wireless bridge

16
Q

Which WPS method allows user to connect to a wireless AP by just being in close proximity to access point?

A

Near-field communication method