多项选择题

Which router IOS commands can be used to troubleshoot LAN connectivity problems?（）

A.ping
B.tracert
C.ipconfig
D.show ip route
E.winipcfg
F.show interfaces

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单项选择题

Refer to the exibit .An attempt to deny web access to a subnet blocks all traffic from the subnet.Which interface command immedicately removes the effect of ACL 102?（）

A.no ip access-group 102 in
B.no ip access-group 102 out
C.no ip access-list 102 in
D.no ip access-class 102 out
E.no ip access-class 102 in

单项选择题

What will happen if a private IP address is assigned to a public interface connected to an ISP?（）

A.Addresses in a private range will be not routed on the Internet backbone.
B.Only the ISP router will have the capability to access the public network.
C.The NAT process will be used to translate this address in a valid IP address.
D.Several automated methods will be necessary on the private network.
E.A conflict of IP addresses happens, because other public routers can use the same range.

单项选择题

Refer to the exhibit. Give this output for SwitchC, what should the network administrator's next action be?（）

A.Check the trunk encapsulation mode for SwitchC's fa0/1 port.
B.Check the duplex mode for SwitchC's fa0/1 port.
C.Check the duplex mode for SwitchA's fa0/2 port.
D.Check the trunk encapsulation mode for SwitchA's fa0/2 port.