SWITCH ON FIRE-EXTINGUISHING SYSTEM.的意思是：开启灭火系统。

相似题目

• What is the purpose of the limit switch on gravity davits?（）

  A . To cut off the power when the davits hit the track safety stops B . To stop the davits from going too fast C . To cut off the power when the davits are about 12 inches or more from the track safety stops D . None of the above

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• Which two commands correctly verify whether port security has been configured on portFastEthernet 0/12on a switch？（）

  A . SW1#show swithport port-security interface FastEthernet 0/12 B . SW1# show swithport port-secure interface FastEthernet 0/12 C . SW1# show port-secure interface FastEthernet 0/12 D . SW1#show running-config

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• Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on a switch?（）

  A . SW1#show swithport port-security interface FastEthernet 0/12 B . SW1# show swithport port-secure interface FastEthernet 0/12 C . SW1# show port-secure interface FastEthernet 0/12 D . SW1#show running-config

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• What are three valid reasons to assign ports to VLANs on a switch?（）

  A . to make VTP easier to implement B . to isolate broadcast traffic C . to increase the size of the collision domain D . to allow more devices to connect to the network E . to logically group hosts according to function F . to increase network security

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• assuming the default switch configuration which vlan range can be added modified and removed on a cisco switch?（）

  A . 2 through 1001 B . 1 through 1001 C . 1 through 1002 D . 2 through 1005

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• Which two of the following statements describe a routed switch port on a multilayer switch？（）

  A . Layer 2 switching and Layer 3 routing are mutually supported. B . The port will not be associated with any VLAN. C . The routed switch port supports VLAN subinterfaces. D . The routed switch port is used when a switch has only one port per VLAN or subnet. E . The routed switch port ensures that STP remains in the forwarding state.

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• Refer to the exhibit. LACP has been configured on Switch1 as shown. Which is the correct command set to configure LACP on Switch2？（） https://assets.asklib.com/images/image2/2018073109354514482.jpg

  A . Switch2# configure terminal Switch2（config）# interface range gigabitethernet3/1 -2 Switch2（config-if）# channel-group 5 mode auto B . Switch2# configure terminal Switch2（config）# interface range gigabitethernet3/1 -2 Switch2（config-if）# channel-group 5 mode passive C . Switch2# configure terminal Switch2（config）# interface range gigabitethernet3/1 -2 Switch2（config-if）# channel-group 5 mode desirable D . Switch2# configure terminal Switch2（config）# interface range gigabitethernet3/1 -2 Switch2（config-if）# channel-group 5 mode o

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• What are three valid reasons to assign ports to VLANs on a switch？（）

  A . to make VTP easier to implement B . to isolate broadcast traffic C . to increase the size of the collision domain D . to allow more devices to connect to the network E . to logically group hosts according to function F . to increase network security

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• Why would a network administrator configure port security on a switch?（）

  A . to prevent unauthorized Telnet access to a switch port B . to limit the number of Layer 2 broadcasts on a particular switch port C . to prevent unauthorized hosts from accessing the LAN D . to protect the IP and MAC address of the switch and associated ports E . to block unauthorized access to the switch management interfaces over common TCP port

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• Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on a switch？（）

  A . SW1#show swithport port-security interface FastEthernet 0/12 B . SW1# show swithport port-secure interface FastEthernet 0/12 C . SW1# show port-secure interface FastEthernet 0/12 D . SW1#show running-config E . SW1#show port-security interface FastEthernet 0/12

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• Why would a network administrator configure port security on a switch（）。

  A . to prevent unauthorized Telnet access to a switch port B . to limit the number of Layer 2 broadcasts on a particular switch port C . to prevent unauthorized hosts from accessing the LAN D . to protect the IP and MAC address of the switch and associated ports E . to block unauthorized access to the switch management interfaces over common TCP port

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• Which encapsulation types are configurable on a Cisco switch for a trunk?（）

  A . VTP B . ISL C . CDP D . 802.1Q E . 802.1p F . LLC G . IETF

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• The following was configured on a switch：  Switch（config） # spanning-tree portfast bpdufilter default  What is the effect of this configuration command？（）

  A . If BPDUs are received by a port configured for PortFast， they are ignored and none are sent. B . The command will enable BPDU filtering on all ports regardless of whether they are configured for BPDU filtering at the interface level. C . If BPDUs are received by a port configured for Portfast， the port will transition to forwarding state. D . If BPDUs are received by a port configured for PortFast， then PortFast is disabled and the BPDUs are processed normally. E . None of the other alternatives apply.

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• What are two results of entering the Switch(config)# vtp mode client command on a Catalyst switch?（）

  A . The switch will ignore VTP summary advertisements B . The switch will forward VTP summary advertisements C . The switch will process VTP summary advertisements D . The switch will originate VTP summary advertisements E . The switch will create, modify and delete VLANs for the entire VTP domai

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• What are three valid reasons to assign ports on VLANs on a switch?（）

  A . to make VTP easier to implement B . to isolate broadcast traffic C . to increase the size of the collision domain D . to allow more devices to connect to the network E . to logically group hosts according to function F . to increase network security

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• On a Cisco Nexus 7000 Series Switch， what is the purpose of this command？（）  switch# config terminal  switch（config）# mac address-table learning-mode conversational vlan 1-10  switch（config）#   

  A .  Enable conversational learning on FabricPath vlans 1-10 for F-Series module B .  Enable FabricPath protocol on VLANs 1–10 C .  No need for this command as conversational learning is enabled by default for all VLANs. D .  Enable conversational learning on Classical Ethernet VLAN for F-Series module

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• Which connection type is available on a virtual switch?（）

  A . service console port B . ESX machine port group C . virtual machine port grou

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• When configuring port security on a Cisco Catalyst switch port， what is the default action taken by the switch if a violation occurs？ （）

  A . protect （drop packets with unknown source addresses） B . restrict （increment SecurityViolation counter） C . shut down （access or trunk port） D . transition （the access port to a trunking port）

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• Which command alone will disable trunking on a Layer 2 switch port？（）

  A . no switchport trunk native vlan vlan-id B . switchport nonegotiate C . no switchport mode dynamic desirable D . switchport mode acce

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• Refer to the exhibit A frame on vlan 1 on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?（）https://assets.asklib.com/images/image2/2018072317110953534.jpg

  A . trunk mode mismatches B . vlans that do not correspond to a unique IP subnet C . native vlan mismatches D . allowing only vlan 2 on the destination.

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• On the Cisco Nexus 7000 Series Switch， Control Plane Policing is enforced on which component？（）

  A .  The supervisor module enforces CoPP before out-of-policy traffic reaches the CPU B .  The fabric modules enforce CoPP in the fabric before out-of-policy traffic reaches the CPU  C .  The linecards enforce CoPP locally before out-of-policy traffic reaches the CPU D .  The egress virtual output queue enforces CoPP locally before out-of-policy traffic reaches the CPU

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• What are three valid reasons to assign ports on VLANs on a switch？（）

  A. to make VTP easier to implement B. to isolate broadcast traffic C. to increase the size of the collision domain D. to allow more devices to connect to the network E. to logically group hosts according to function F. to increase network security

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