搜题

【单选题】

Why would an administrator change the value of the spanning-tree priority of a switch?（）

A、in order to optimize the path that frames take from source to destination

B、to increase the priority so a designated port will become a root port

C、to increase the BID, so the switch is more likely to become root bridge

D、in order to allow VLANs to be sent from one switch to another across a single link

E、to force a given switch to become an STP server

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更多“Why would an administrator change the value of the spanning-tree priority of a switch?（）”相关的问题

第1题

[] Why is an OC-3 2F-BLSR not feasible?（）

A、A. Switch times would exceed 50 ms for an OC-3 BLSR ring. B、B. An equal amount of working and protect bandwidth is required. C、C. DCC bandwidth is not large enough to handle K1/K2 processing. D、D. There is not enough bandwidth in an OC-3 ring to justify BLSR protection.

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第2题

[单选题] Why is an STM-1 2F-MS-SPRing NOT feasible？（）

A、 An equal amount of working and protect bandwidth is required. B、 DCC bandwidth is not large enough to handle K1/K2 processing. C、 Switch times would exceed 50 ms for an STM-1 MS-SPRing ring. D、 There is not enough bandwidth in an STM-1 ring to justify MS-SPRing protection.

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第3题

[单选题] A: Are you free on Monday? B: No, I'm sorry, I'm busy.（）Wednesday?

A、Would you like B、What about C、Why don’t you

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第4题

[] A company would like to upgrade an old server to a multi-processor box. The server currently has a single 3.0GHz 1Mb cache processor in it with a single empty socket. The only processor that is available from a manufacturer is a 3.0GHz 2Mb cache model. Which of the following is the BEST reason why this upgrade will not work?（） A company would like to upgrade an old server to a multi-processor box. The server currently has a single 3.0GHz 1Mb cache processor in it with a single empty socket. The only processor that is available from a manufacturer is a 3.0GHz 2Mb cache model. Which of the following is the BEST reason why this upgrade will not work?（）

A、A. The socket size does not match B、B. The cache is from a different manufacturer C、C. The processors do not match D、D. Processors cannot be upgraded after server has been deployed

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第5题

[单选题] During waste clothes being charged into an incinerator, the auxiliary burner（）.

A、should be stopped manually B、keeps the combustion as usual C、would be cut off by an interlock D、would replace the waste oil burner and keep going on

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第6题

[] A: Are you free on Monday? B: No, I'm sorry, I'm busy.（）Wednesday?

A、A.Would you like B、B.What about C、C.Why don’t you

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第7题

[单选题] On which of the following network devices would an administrator configure an ACL?（）

A、Router B、Hub C、Repeater D、NIC

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第8题

[] A Cisco router has been configured, and the copy running-config startup-config command has been issued. When the router is power cycled, the router prompts with: "Would you like to enter the initial configuration dialog? [yes/no]" Why has this occurred?（） A Cisco router has been configured, and the copy running-config startup-config command has been issued. When the router is power cycled, the router prompts with: "Would you like to enter the initial configuration dialog? [yes/no]" Why has this occurred?（）

A、A. There is an error in the router DRAM. B、B. Te IOS image is corrupt. C、C. The configuration register is set to 0x2142. D、D. The TFTP server that contains the router configuration file is unreachable. E、E. A boot system configuration command has placed the router into setup mode.

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第9题

[单选题] He must have had an accident，or he（）then．

A、would have been here B、should be here C、had to be here D、would be here

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