单选题Which statements concerning the switch construct are true？（）AAll switch statements must have a default label.BThere must be exactly one label for each code segment in a switch statement.CThe keyword continue can never occur within the body of a switch statement.DNo case label may follow a default label within a single switch statement.EA character literal can be used as a value for a case label.
单选题
Which statements concerning the switch construct are true？（）
A
All switch statements must have a default label.
B
There must be exactly one label for each code segment in a switch statement.
C
The keyword continue can never occur within the body of a switch statement.
D
No case label may follow a default label within a single switch statement.
E
A character literal can be used as a value for a case label.
参考解析
解析：
暂无解析
相关考题：
All the following statements concerning the nature of language change is true except() A language change is inevitableB language change is abruptC language change is universalD language change is extensive
Which statements concerning the switch construct are true？（） A、All switch statements must have a default label.B、There must be exactly one label for each code segment in a switch statement.C、The keyword continue can never occur within the body of a switch statement.D、No case label may follow a default label within a single switch statement.E、A character literal can be used as a value for a case label.
Which of these statements about FSPF is true？（）A、 It supports multipath routingB、 It can run any type of storage portsC、 When it is used， hop-by-hop routes are based only on the switch IDD、 When it is used， path status is based on the functionality of attached portsE、 It runs only on a switch fabric and cannot function in a VSAN
Which two statements are true regarding an Ethernet collision domain?（）A、If a switch is used, the collision domain is limited to each device and the switchB、If a hub is used, the collision domain is limited to each device and the hubC、If a hub is used, the collision domain includes all devices connected to the hubD、If a switch is used, the collision domain includes all devices connected to the switch
Which statements are true concerning NAT？ （）A、 NAT provides 1 to manyaddress mapping.B、 NAT provides 1 to 1 address mapping.C、 NAT is only useful forTCP/UDP and ICMP traffic.D、 NAT can be used for all IP traffic.
When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements?（）A、Bridges are faster than switches because they have fewer ports.B、A switch is a multiport bridge,C、Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.D、A bridge will forward a broadcast but a switch will not.E、Bridges and switches increase the size of a collision domain.F、None of the above statements are true.
Which two statements about the use of VLANs to segment a network are true? （）A、VLANs increase the size of collision domains.B、VLANs allow logical grouping of users by function.C、VLANs simplify switch administration.D、VLANs enhance network security.
Which of these statements concerning the collection interfaces are true？（） A、Set extends Collection.B、All methods defined in Set are also defined in Collection.C、List extends Collection.D、All methods defined in List are also defined in Collection.E、Map extends Collection.
Which two statements are true regarding an Ethernet collision domain?（）A、If a switch is used, the collision domain includes all devices connected to the switch.B、If a hub is used, the collision domain includes all devices connected to the hub.C、If a hub is used, the collision domain is limited to each device and the hub.D、If a switch is used, the collision domain is limited to each device and the switch.
Which two statements are true regarding an Ethernet collision domain?（）A、The likelihood of collisions occurring increases when a switch is used.B、The likelihood of collisions occurring increases when a hub is used.C、If a hub is used, the collision domain is limited to each device and the hub.D、If a switch is used, the collision domain is limited to each device and the switch.
多选题Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)Ac=dBl and k are parallelCm and l are perpendicular
单选题Which of the following statements is true concerning centrifugal pumps?（）AThey are particularly suited for pumping high viscosity fluidsBThey are started with the discharge valve openedCThe flow of liquid is developed by imparting energy due to the rotation of an impellerDThey are always mounted in a horizontal position
单选题Which of these statements about FSPF is true？（）A It supports multipath routingB It can run any type of storage portsC When it is used， hop-by-hop routes are based only on the switch IDD When it is used， path status is based on the functionality of attached portsE It runs only on a switch fabric and cannot function in a VSAN
单选题Which of the following statements is true concerning any evaporator?（）AHigh conductivity of the distillate indicates distillate salinity is excessiveBIncreasing the absolute pressure of the shell will increase the distillers capacityCMesh separators are used in evaporators to filter the distillateDReducing the brine density will reduce the heat lost overboard
单选题Which of the following statements is true concerning the cetane number of diesel fuel?（）AThe cetane number affects the amount of injection lagBThe cetane number is an indication of the fuels viscosityCIgnition lag is reduced with fuels having a high cetane numberDThe cetane number is of little significance in the combustion process
单选题Which of the following statements is true concerning an oil cooler?（）AThe oil temperature is less than the cooling water temperatureBThe oil pressure is less than the cooling water pressureCThe oil pressure is greater than the cooling water pressureDThe oil flow control valve is always installed in the oil input line
多选题Which two statements are true regarding an Ethernet collision domain?（）AIf a switch is used, the collision domain is limited to each device and the switchBIf a hub is used, the collision domain is limited to each device and the hubCIf a hub is used, the collision domain includes all devices connected to the hubDIf a switch is used, the collision domain includes all devices connected to the switch
单选题Which of the following statements is true concerning simple parallel resistance circuits?（）AThe total current flow equals the sum of the individual currentsBThe total current flow equals the reciprocal of the sum of the individual currentsCThe total resistance equals the sum of the individual resistanceDThe total voltage equals the sum of the individual voltages across each resistance
多选题Which two statements are true regarding an Ethernet collision domain?（）AIf a switch is used, the collision domain is limited to each device and the switch.BIf a hub is used, the collision domain is limited to each device and the hub.CIf a hub is used, the collision domain includes all devices connected to the hub.DIf a switch is used, the collision domain includes all devices connected to the switch.
多选题Which two statements are true regarding an Ethernet collision domain?（）AThe likelihood of collisions occurring increases when a switch is used.BThe likelihood of collisions occurring increases when a hub is used.CIf a hub is used, the collision domain is limited to each device and the hub.DIf a switch is used, the collision domain is limited to each device and the switch.
单选题Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?（）AThe agent is considered nontoxic at room temperature in low concentrationsBThe agent is less effective than carbon dioxideCHalon primarily extinguishes the fire by coolingDThe agent cannot be used on electrical fires because it leaves a residue