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Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）
- A、 port 21（ftp）：tcp and port 657（rmc）：tcp
- B、 port 22（ssh）：tcp and port 657（rmc）：udp
- C、 port 657（rmc）：tcp and port 657（rmc）：udp
- D、 port 161（snmp）：tcp and port 161（snmp）：udp
参考答案
更多 “Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）A、 port 21（ftp）：tcp and port 657（rmc）：tcpB、 port 22（ssh）：tcp and port 657（rmc）：udpC、 port 657（rmc）：tcp and port 657（rmc）：udpD、 port 161（snmp）：tcp and port 161（snmp）：udp” 相关考题
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Which combination of ports is available on the Cisco SPA 8800 voice gateway？（）A、 four station ports and four trunk ports （4xFXS and 4xFXO）B、 two station ports （2xFXS）C、 eight station ports （8xFXS）D、 one station port and one trunk port （1xFXS and 1xFXO）
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Which of the following components must be elected before the Spanning Tree Protocol can converge in a switched LAN?（）A、designated ports.B、duplex operating mode.C、fast mode ports.D、root bridge.E、root ports.F、BDPU priority.
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单选题Which combination of ports is available on the Cisco SPA 8800 voice gateway？（）A
four station ports and four trunk ports （4xFXS and 4xFXO）B
two station ports （2xFXS）C
eight station ports （8xFXS）D
one station port and one trunk port （1xFXS and 1xFXO）
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单选题Which statement is true about loop guard？（）A
Loop guard only operates on interfaces that are considered point-to-point by the spanning tree.B
Loop guard only operates on root ports.C
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单选题Which statement describes a spanning-tree network that has converged?（）A
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All switch and bridge ports are either blocking or looping.
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determine types of protocols to be supportedB
determine the environment in which the router will be usedC
select the number of WAN ports requiredD
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多选题The DAI feature has been implemented in the Company switched LAN. Which three statements are true about the dynamic ARP inspection （DAI） feature？ （）ADAI can be performed on ingress ports only.BDAI can be performed on both ingress and egress ports.CDAI is supported on access ports， trunk ports， EtherChannel ports， and private VLAN ports.DDAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.EDAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.FDAI is supported on access and trunk ports only.
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Make all ports private VLAN ports.B
Place all unused ports in native VLAN 1 until needed.C
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考题
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FTPB
SMTPC
TelnetD
DNSE
All of the above
考题
多选题In an environment in which multiple VLANs have been defined on Catalyst Express 500 switches， which two statements are correct for ports that have been configured with the Smartport role of "IP Phone + Desktop"？（）AThe names of the VLANs used by the SmartPorts are case insensitiveBThe ports may belong to a configurable data VLANCThe names of the VLANs used by the Smartports are not relevantDThe ports may belong to many VLANs， depending on how many PCs are connected to each port.EThe names of the VLANs used by the Smartports are case sensitive
考题
单选题Free Radio Pratique will be granted by the Port Health Office in the following case （） .A
Vessel with a case or suspected case of infectious disease on boardB
Vessel with a dead body on boardC
Vessel which has visited plague-infected ports during the current voyageD
Cargo vessel which hasn't called at any plague infected ports during the current voyage and on which there is not any case of infectious disease，or any dead body
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