正确答案: BC

The switch receives the complete frame. before beginning to forward it. Latency through the switch varies with frame. length.

题目：What are two characteristics of "store and forward" switching? (Select two answer choices)

解析：解析：Explanation:

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[单选题]OSPF在同一区域内，下列说法正确的是（）

每台路由器的LSDB(链路状态数据库)都是相同的

[单选题]当配置一个CISCO的路由器时，缺省的DR和BDR优先级是（）。

1

[单选题]Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?

To reset the console password

解析：解析：Explanation:

[多选题]Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)

The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.

The DHCP Discover message uses UDP as the transport layer protocol.

解析：A,B 解析：Explanation:

[单选题]You need to perform. some initial configuration tasks on a new Ezonexam switch. What is the purpose of assigning an IP address to a switch?

To allow remote management of the switch.

解析：解析：Explanation:Switchisalayer2deviceanddoesn'tusenetworklayerforpacketforwarding.TheIPaddressmaybeusedonlyforadministrativepurposessuchasTelnetaccessorfornetworkmanagementpurposes.