更多"（）is not a part of the main switch "的相关试题:
[判断题]Semantics is the main part of linguistics.
[单项选择]（）is not a part of the main switchboard.
A. Busbar
B. Load panel of main generator
C. Paralleling panel
D. Shore connection box
[单项选择]What is the most vulnerable part of the fire main system on board an offshore rig?（）
A. The fire pump
B. Exposed hard piping
C. The hydrant valve
D. The fire hose
[单项选择]Each part of the fire-main system located on an exposed deck must be（）.
A. protected against freezing
B. locked to prevent theft
C. numbered sequentially
D. pressurized at all times
[判断题]switch语句中必须有break语句，否则无法退出switch语句。
[单项选择]The main purpose of changing main engine to electronic controlled is not to（）
A. control fuel injection time more precisely
B. control fuel injection rate more precisely
C. meet the environmental requirements
D. meet high engine speed requirements
[单项选择]The main purpose of warming the parts of the main engine is （）
A. to reduce heat stress
B. to reduce low temperature corrosion
C. to improve firing and starting performance
D. fuel saving
[单项选择]Switch-A和Switch-B均配置有分别处于营销部、销售部、会计部和行政部VLAN中的端口。每个VLAN包含12名用户。需要多少个子网才能在所有VLAN之间实现路由连通（）。
A. 1
B. 4
C. 12
D. 48
[单项选择]A network administrator must configure 200 switch ports to accept traffic from only the currently attached host devices. What would be the most efficient way to configure MAC-level security on all these ports?（）
A. Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security mac-address command
B. Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security mac-address command
C. Use the switchport port-security MAC address sticky command on all the switch ports that have end devices connected to them
D. Use show mac-address-table to determine the addresses that are associated with each port and then enter the commands on each switch for MAC address port-security
[多项选择] An administrator is configuring a Catalyst switch with VLAN information that must be automatically distributed to other Catalyst switches in the network. What conditions must be met in order for the VLANs configured on this switch to be automatically configured on the other switches?（）
A. The switch that will share its VLAN configuration must be in VTP server mode.
B. The switches must be in the same VTP domain.
C. The switch that will share the VLAN information must be configured as the root bridge.
D. The switches must be connected over VLAN trunks.
E. The switches must be configured to use the same STP version.
F. The switches must have VTP pruning activated.
[单项选择]Assuming the default switch configuration,which approach should you use to configure the extended vlan range(1006 through 4094) on a cisco catalyst 3750 series switch?（）
A. Configure the switch to be in VTP client mode.
B. Configure the switch to be in VTP domaint mode.
C. Configure the switch to be in VTP transparent mode.
D. Configure the switch to be in VTPv2.
[多项选择]An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location?（）
A. The switch must be configured with an IP address, subnet mask, and default gateway.
B. The switch must be connected to a router over a VLAN trunk.
C. The switch must be reachable through a port connected to its management VLAN.
D. The switch console port must be connected to the Ethernet LAN.
E. The switch management VLAN must be created and have a membership of at least one switch port.
F. The switch must be fully configured as an SNMP agent.
[单项选择]A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB. Later attempts to access NewSwitch using Telnet from SwitchA failed. Which statement is true?（）
A. Executing password recovery is required.
B. The virtual terminal lines are misconfigured.
C. Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D. Power cycle of NewSwitch will return it to a default configuration.
[多项选择]Switch ports operating in which two roles will forward traffic according to the IEEE 802.1w standard?（）
A. alternate
B. backup
C. designated
D. disabled
E. root
[多项选择]What are the possible trunking modes for a switch port? （）
A. transparent
B. auto
C. on
D. desirable
E. client
F. forwarding
