單項(xiàng)選擇題ISUP消息在以下哪種信號(hào)單元中傳輸?()

A.MSU
B.LSSU
C.FISU


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1.單項(xiàng)選擇題某私網(wǎng)設(shè)備A的IP地址是192.168.1.1/24,其對(duì)應(yīng)的公網(wǎng)IP地址是2.2.2.1;公網(wǎng)設(shè)備B的IP地址是2.2.2.5。若希望B能ping通A,可以在NAT設(shè)備上使用下列哪項(xiàng)配置?()

A.aclnumber2000;rule0permitsource192.168.1.10.0.0.255;nataddress-group12.2.2.1;interfaceEthernet0/1;natoutbound2000address-group1
B.aclnumber2000;rule0permitsource192.168.1.10.0.0.255;nataddress-group12.2.2.1;interfaceEthernet0/1;natoutbound2000address-group1no-pat
C.natserverprotocolicmpglobal2.2.2.1inside192.168.1.1
D.natserverprotocolicmpglobal192.168.1.1inside2.2.2.1

3.單項(xiàng)選擇題7號(hào)信令屬于以下哪種信令類型?()

A.隨路信令
B.公共信道信令
C.用戶環(huán)路信令

4.單項(xiàng)選擇題在MSR路由器上,如果想查看NAT轉(zhuǎn)換的報(bào)文數(shù)量,應(yīng)該使用()命令。

A.displaynatcounter
B.displaynat
C.displayacl
D.displaynatsession

5.單項(xiàng)選擇題MGW Alarm log&Event log文件在以下哪個(gè)目錄中存放()

A./c/logfiles/cello/
B./c/public_html/cello/XML_files/
C./c/commandlog/
D./c/logfiles/systemlog/