更多"It is possible,and sometimes necess"的相关试题:
[单项选择]It is possible，and sometimes necessary，to strengthen the deck of a vessel for carriage of deck cargo by（）.
A. placing bunker on the deck
B. building a stage on which to place the cargo
C. welding steel feet to the deck，on which the cargo is placed
D. erecting vertical pillars under the deck to support the cargo
[单项选择]It is sometimes necessary to moor bow and stern to two mooring buoys in order to（）.
A. avoid any swing in a restricted space
B. shelter the ship from strong winds
C. prevent from touching with other vessels
D. make a convenience of cargo discharging
[单项选择]The fore and aft run of deck plating which strengthens the connection between the beams and the frames and keeps the beams square to the shell is called the（）.
A. garboard strake
B. limber strake
C. sheer strake
D. stringer strake
[单项选择]“How do you read?” “I read you with signal strength one”（）.
A. poor
B. bad
C. fair
D. good
[单项选择]Which additional configuration step is necessary in order to connect to an access point that has SSID broadcasting disabled?（）
A. Set the SSID value in the client software to public.
B. Configure open authentication on the AP and the client.
C. Set the SSID value on the client to the SSID configured on the AP.
D. Configured MAC address filtering to permit the client to connect to the AP.
[单项选择]Is it possible（）
A. It is entirely our fault.
B. to talk to the Manager？
C. I’m terribly sorry.
D. with our compliments.
[单项选择]（）认为政府是necessary evil。
A. 国家主义者
B. 自由主义者
C. 无政府主义者
D. 反自由主义者
[多项选择]Which of the following steps are necessary in order to add a new VLAN to a switched network?（）
A. Create the VLAN.
B. Name the VLAN.
C. Configure an IP address for the VLAN.
D. Add the desired ports to the new VLAN.
E. Add the VLAN to the VTP domain.
[多项选择]It has become necessary to configure an existing serial interface to accept a second Frame Relay virtual circuit.Which of the following processes are required to accomplish this task?（）
A. configure static frame relay map entries for each subinterface network.
B. remove the ip address from the physical interface
C. create the virtual interfaces with the interface command
D. configure each subinterface with its own IP address
E. disable splithorizon to prevent routing loops between the subinterface networks
F. encapsulate the physical interface with multipoint PPP
[单项选择]Which commands is necessary to permit SSH or Telnet access to a cisco switch that is otherwise configured for these vty line protocols?（）
A. transport type all
B. transport output all
C. transport preferred all
D. transport input all
[单项选择]Which condition is necessary for a substance to burn?（）
A. The temperature of the substance must be equal to or above its fire point
B. The air must contain oxygen in sufficient quantity
C. The mixture of vapors with air must be within the explosive range
D. All of the above
[单项选择]It is necessary to secure the forced ventilation to a compartment where there is a fire to（）.
A. allow the exhaust fans to remove smoke
B. extinguish the fire by carbon monoxide smothering
C. prevent additional oxygen from reaching the fire
D. protect fire fighting personnel from smoke
