單項選擇題

What is the recommended practice regarding UDLD when implementing it in all fiber-optic LAN ports?（）

A. Adjust the default hello timers to three seconds for aggressive mode.
B. Enable it in global mode and on every interface you need to support.
C. Enable it in global mode to support every individual fiber-optic interface.
D. Enable it to create channels containing up to eight parallel links between switches.
E. Enable it in global mode to support every individual fiber optic and Ethernet interface.

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多項選擇題

Which two of these are recommended practices with trunks? （）

A. use ISL encapsulation
B. use 802.1q encapsulation
C. set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation
D. use VTP server mode to support dynamic propagation of VLAN information across the network
E. set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

單項選擇題

Why is STP required when VLANs span access layer switches?（）

A. to ensure a loop-free topology
B. to protect against user-side loops
C. in order to support business applications
D. because of the risk of lost connectivity without STP
E. for the most deterministic and highly available network topology

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What is the recommended practice regarding UDLD when implementing it in all fiber-optic LAN ports?（）

你可能感興趣的試題

Which two of these are recommended practices with trunks? （）

Why is STP required when VLANs span access layer switches?（）

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