試題一(共20分)

閱讀以下說明，回答問題1至問題3，將解答填入答題紙對應(yīng)的解答欄內(nèi)。

【說明】

某校園宿舍WLAN網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)如圖1-1所示，數(shù)據(jù)規(guī)劃如表1-1內(nèi)容所示。該網(wǎng)絡(luò)采用敏捷分布式組網(wǎng)在每個(gè)宿舍部署一個(gè)AP，AP連接到中心AP，所有AP和中心AP統(tǒng)一由AC進(jìn)行集中管理，為每個(gè)宿舍提供高質(zhì)量的WLAN網(wǎng)絡(luò)覆蓋。

圖1-1

表1-1

【問題1】（10分）

補(bǔ)充命令片段的配置。

1.Router 的配置文件

[Huawei] sysname Router

[Router] vlan batch(1)

[Router] interface gigabitethernet 1/0/0

[Router GigabitEthernet 1/0/0] port link-type trunk

[Router GigabitEthernet 1/0/0] port trunk allow-pass vlan 101

[Router GigabitEthernet 1/0/0] quit

[Router] interface vlanif 101

[Router-Vlanifl01]ip address (2)

[Router-Vlanifl01]quit

2.AC的配置文件

#配置AC和其他網(wǎng)絡(luò)設(shè)備互通

[HUAWEI]sysname (3)

[AC] vlan batch 100 101

[AC] interface gigabitethernet 0/0/1

[AC-GigabitEthernet0/0/1] port link -type trunk

[AC-GigabitEthernet0/0/1] port trunk pvid vlan 100

[AC-GigabitEthernet0/0/1] port trunk allow-pass vlan 100

[AC-GigabitEthernet0/0/1] port-isolate(4) //實(shí)現(xiàn)端口隔離

[AC-GigabitEthernet0/0/1] quit

[AC] interface gigabitethernet 0/0/2

[AC-GigabitEthernet0/0/2] port link-type trunk

[AC-GigabitEthernet0/0/2] port trunk allow-pass vlan 101

[AC-GigabitEthernet0/0/2] quit

#配置中心AP和AP上線

[AC] wlan

[AC-wlan-view] ap-group name ap-groupl

[AC-wlan-ap-group-ap-group1] quit

[AC-wlan-view] regulatory-domain-profile name default

[AC-wlan-regulate-domain-default] country-code (5)

[AC-wlan-regulate domain-default] quit

[AC-wlan-view]ap-group name ap-group1

[AC-wlan-ap-group-ap-group1] regulatory-domain-profile(6)

Warning: Modifying the country code will clear channel, power and antenna gain config

Of the config send reset the AP Continue?[Y/N]:y

[AC-wlan-ap-group-ap-group1]quit

[AC-wlan-view]quit

[AC]capwap source interface(7)

[AC] wlan

[AC-wlan-view] ap auth mode mac-auth

[AC-wlan-view] ap-id 0 ap-mac 68a8-2845-62fd//中心AP的MAC地址

[AC-wlan-ap-0] ap-name central AP

Warning: This operation may cause AP reset Continue?[Y/N]:y

[AC-wlan-ap-0] ap-group ap-group1

Warning: This operation may cause AP reset.If the country code changes,it will clear channel,power and antenna gain configuration s of the radio,Whether to continue?[Y/N]:y

[AC- wlan-ap-0] quit

其他相同配置略去

#配置WLAN業(yè)務(wù)參數(shù)

[AC-wlan-view] security-profile name wlan-net

[AC-wlan-sec-prof-wlan-net] security wpa-wpa2 psk pass-phrase(8) aes

[AC-wlan-sec-prof-wlan-net] quit

[AC-wlan-view] ssid-profile name wlan-net

[AC-wlan-ssid-prof-wlan-net] ssid(9)

[AC-wlan-ssid-prof-wlan-net] quit

[AC-wlan-view] vap-profile name wlan-net

[AC-wlan-vap-prof-wlan-net] forward-mode tunnel

[AC-wlan-vap-prof-wlan-net] service-vlan vlan-id(10)

[AC-wlan-vap-prof-wlan-net] security-profile wlan-net

[AC-wlan-vap-prof-wlan-net] ssid-profile wlan-net

[AC-wlan-vap-prof-wlan-net] quit

[AC-wlan-view] ap-group name ap-group1

[AC-wlan-ap-group-ap-groupl] vap-profile wlan-net wlan 1 radio 0

[AC-wlan-ap-group-ap-group1] vap-profile wlan-net wlan 1 radio 1

[AC-wlan-ap-group-ap-group1] quit

【問題2】（6分）

上述網(wǎng)絡(luò)配置命令中，AP的認(rèn)證方式是（11）方式，通過配置（12）配置。

（11）~（12）備選答案：

A、MAC

B、SN

C、AP地址

D、AP組

將AP加電后，執(zhí)行（13）命令可以查看到AP是否正常上線。

(13)備選答案：

A. display ap all

B. display vap ssid

【問題3】(4分)

1.組播報(bào)文對無線網(wǎng)絡(luò)空口的影響主要是（14），隨著業(yè)務(wù)數(shù)據(jù)轉(zhuǎn)發(fā)的方式不同，組播報(bào)文的抑制分別在（15）和（16）配置。

2.該網(wǎng)絡(luò)AP部署在每一間宿舍的原因是(17)。