單項(xiàng)選擇題在MSR路由器上,使用()命令查看路由器的NAT老化時(shí)間。

A.displaynattime
B.displaynatexpire
C.displaynataging-time
D.displaynattime-out


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2.單項(xiàng)選擇題使用()命令查看NAT表項(xiàng)。

A.displaynattable
B.displaynatentry
C.displaynat
D.displaynatsession

3.單項(xiàng)選擇題MSS網(wǎng)絡(luò)中SCTP的端點(diǎn)是用什么來(lái)標(biāo)識(shí)的?()

A.IP地址+端口號(hào)
B.DPC+SSN
C.CircuitID
D.IP地址

5.單項(xiàng)選擇題私網(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是2.2.2.1;公網(wǎng)設(shè)備B的IP地址是2.2.2.5?,F(xiàn)需要設(shè)備A對(duì)公網(wǎng)提供Telnet服務(wù),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.natserverprotocoltelnetglobal2.2.2.1inside192.168.1.1
D.natserverprotocoltcpglobal2.2.2.1telnetinside192.168.1.1
E.natserverprotocoltcpglobal2.2.2.123inside192.168.1.123