單項選擇題

In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）

A.after broken links are re-established
B.in an improperly implemented redundant topology
C.when upper-layer protocols require high reliability
D.during high traffic periods
E.when a dual ring topology is in use

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多項選擇題

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

單項選擇題

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

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In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）

你可能感興趣的試題

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

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?（）