The low polar orbiting satellite system provides the coverage of （ ）
A: Area A4
B: Area Aland A2
C: Area A3
D: Area Al. A2.A3and A4
A: Area A4
B: Area Aland A2
C: Area A3
D: Area Al. A2.A3and A4
D
举一反三
- 25. The-low polar orbiting satellite system provides the coverage of _ A: sea areas Al and A2 B: sea areas AJ, A2, A3 and A4 C: sea area A3 . D: sea area A4
- 23. The low polar orbiting satellite system provides the coverage of____. A: sea area A4 B: sea areas Al and A2 C: all over the world D: sea areas Al, A2, A3 and A4
- Area A2 is an area. excluding sea area Al. within the coverage of at least one( ) . A: VHF coast station B: MF coast station C: satellite D: RCC
- 智慧职教: Sea area A2 is an area within the coverage of at least one_________.
- ______ is sea area A2. A: An area within coverage of INMARSAT geostationary satellites B: An area, excluding sea area A1, within coverage of Medium Frequency (MF) coastal radio stations in which continuous DSC alerting is available C: An area within coverage of VHF coast radio stations in which continuous DSC alerting is available D: The extreme polar regions
内容
- 0
配置OSPF时，必须要具有的网络区域是（ ） A: area 0 B: area 1 C: area 2 D: area 3
- 1
a=3; b=4; c=5; >>s=(a+b+c)/2; >>area=sqrt(s*(s-a)*(s-b)*(s-c)) 以上运行结果为 area = （ ） A: 3 B: 4 C: 5 D: 6
- 2
OSPF把网络划分为四种区域，其中（ ）区域是骨干区域。 A: area 0 B: area 1 C: area 2 D: area 3
- 3
设有以下宏定义: #define S(x) x/x int a=4,b=3,area; 执行语句area=S(a+b);后,area的值为()
- 4
When conducting a wireless voice site survey， which two sizing considerations exist for thecoverage cell？（） A: rogue access point detection in the coverage area B: multipath issues in the coverage area C: number of VoWLAN users in the coverage cell D: call capacity requirements of the coverage area