【单选题】 When two network segments are interconnected in the physical layer, they are required to ().
A.
Data transmission rate and data link layer protocol are different
B.
Data transmission rate and data link layer protocol are the same
C.
Data transmission rates are the same, and data link layer protocols are different.
D.
Data transmission rates are different and data link layer protocols are the same
【单选题】根据企业所得税法律制度的规定,下列各项中,不得提取折旧的固
A.
prefix = o ns = 'urn:schemas-microsoft-com:office:office' / 18. 根据企业所得税法律制度的规定,下列各项中,不得提取折旧的固定资产是()。 A. 房屋、建筑物
【单选题】It's getting dark, _______ they're still working. [ ]
【多选题】 The main function of physical layer is to propose physical layer ().
A.
Error Control Method in Bit Stream Transmission
C.
Electrical characteristics
D.
Functional characteristics
【单选题】______! It's getting dark. [ ]
【多选题】根据企业所得税法律制度的规定,下列企业缴纳的保险费用中准予在税前全额扣除的有( )。
B.
为煤矿井下作业人员支付的人身安全商业保险费用
【多选题】 Which of the following are the basic functions of the physical layer?()
A.
Transmission of bit streams between terminal devices
B.
Establishment and maintenance of virtual circuits, error checking and flow control
C.
Define the characteristics of voltage, interface, cable standard, transmission distance, etc.
【多选题】根据企业所得税法律制度的规定,下列表述正确的有( )。
A.
企业应自年度终了之日起4个月内,向税务机关报送年度企业所得税纳税申报表,并汇算清缴,结清应缴应退税款
C.
企业在一个纳税年度中间开业,或者终止经营活动,使该纳税年度的实际经营期不足12个月的,应当以其实际经营期为1个纳税年度
D.
企业依法清算时,应当以清算期间作为1个纳税年度
【单选题】 The physical layer of the OSI reference model is not defined ().