7/30/2019 Bezicne Mreze Za Miku

1/10

12th, 2012

,

A ,

.

(. hotspots).

IEEE 802.11, (. Wi-FiWireless Fidelity),

, . . .

, , . (. WLAN adapter)

.

.

, .

, .

,

. ,

. , :

1. 2.4GHz 5GHz.

, . .

2. IEEE 802.11 :

http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/wp-content/uploads/2012/07/photodune-2243039-wireless-point-xs11.jpghttp://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/

7/30/2019 Bezicne Mreze Za Miku

2/10

802.11 5GHz 54 . (.OFDMOrthogonal Frequency-Division Multiplexing), a .

.

802.11b . , . 801.11b 2.4GHz .

11

(. CCK Complementary Code Keying).

802.11g 2.4GHz 802.11b 54

802.11 .

802.11n . 140 .

,

, . ,

.

, USB

PCI . , b g .

,

. ,

http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/wp-content/uploads/2012/07/logo_abgn_final.jpghttp://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/

7/30/2019 Bezicne Mreze Za Miku

3/10

.

(AP

ccess Point). (WRTWireless Router). :

1. ADSL ;2. ;3. (Switch);4. (Firewall) 5. .

http://www.pil-vb.net/wp-content/uploads/2012/07/linksys_wireless_wrt600n_router1.jpghttp://www.pil-vb.net/wp-content/uploads/2012/07/TL-WN851N.jpghttp://www.pil-vb.net/wp-content/uploads/2012/07/linksys_wireless_wrt600n_router1.jpghttp://www.pil-vb.net/wp-content/uploads/2012/07/TL-WN851N.jpg

7/30/2019 Bezicne Mreze Za Miku

4/10

, .

30 , .

, , . (Repeater)

.

, IEEE 802.11

. 802.11b 802.11a,802.11g 802.11n. 802.11g

.

, . ,

, . :

(SSIDService SetIdentifier) ;

1, 6 11. ,

.

;

, SSID

.

,

, .

. 2.4

.

11 :

(MHz)

1* 2412

2 2417

3 2422

http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/

7/30/2019 Bezicne Mreze Za Miku

5/10

4 2427

5* 2432

6 2437

7 2442

8 2447 9* 2452

10 2457

11 2462

12 2467

13* 2472

14 2484 11b

22

. . 1,6 11. .

,

. NetStumbler

.

, .

.

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7/30/2019 Bezicne Mreze Za Miku

6/10

, 6 11

, 1,2 3.

7 NDIS 6.0 .

, :

http://www.vistumbler.net/http://www.metageek.net/products/inssider/http://www.pil-vb.net/wp-content/uploads/2012/07/Screenshot_2012-10-11-10-49-22.pnghttp://www.vistumbler.net/http://www.metageek.net/products/inssider/http://www.pil-vb.net/wp-content/uploads/2012/07/Screenshot_2012-10-11-10-49-22.pnghttp://www.vistumbler.net/http://www.metageek.net/products/inssider/http://www.pil-vb.net/wp-content/uploads/2012/07/Screenshot_2012-10-11-10-49-22.png

7/30/2019 Bezicne Mreze Za Miku

7/10

,

( .

).

. , . (.Wireless settings) (. Wireless Channel).

:

Linksys WRT54GL:

TP Link TP-WR740N:

http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/wp-content/uploads/2012/07/Linksys.pnghttp://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/

7/30/2019 Bezicne Mreze Za Miku

8/10

Huawei HG520s:

http://www.pil-vb.net/wp-content/uploads/2012/07/TP-LINK.png

7/30/2019 Bezicne Mreze Za Miku

9/10

,

http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/http://www.pil-vb.net/wp-content/uploads/2012/07/huawei.pnghttp://www.pil-vb.net/kursevi/skolska-bezicna-racunarska-mreza/bezicne-mreze-hotspotovi-i-standardi/

7/30/2019 Bezicne Mreze Za Miku

10/10

.

(Open Authentication),

.

, .

. ,

, MAC

. MAC . ,

MAC

, . SSIDa.

SSID . .

. WEP (Wired

Equivalent Privacy) .

MAC SSIDa . ,

WPA (Wi-Fi Protected Access) WPA2 MAC .

,

. , , . DoS (Denial of Service)

, .

http://www.pil-vb.net/kursevi/osnove-racunarskih-mreza/http://www.pil-vb.net/kursevi/osnove-racunarskih-mreza/http://www.pil-vb.net/kursevi/osnove-racunarskih-mreza/http://www.pil-vb.net/kursevi/osnove-racunarskih-mreza/http://www.pil-vb.net/kursevi/osnove-racunarskih-mreza/http://www.pil-vb.net/kursevi/osnove-racunarskih-mreza/http://www.pil-vb.net/wp-content/uploads/2012/07/photodune-551811-secure-wall-xs.jpghttp://www.pil-vb.net/kursevi/osnove-racunarskih-mreza/http://www.pil-vb.net/kursevi/osnove-racunarskih-mreza/