网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
A radio link between a transmitting earth station and a receiving earth station through one satellite is named a（）.
A
Radio link
B
Space segment
C
Satellite link
D
upper link
参考答案
参考解析
解析：
暂无解析
更多 “单选题A radio link between a transmitting earth station and a receiving earth station through one satellite is named a（）.A Radio linkB Space segmentC Satellite linkD upper link” 相关考题
考题
Inter－NodeB的切换和Intra－NodeB的切换从信令流程的区别是()
A.Inter-NodeB的切换是Radio Link Addition RequestB.Intra-NodeB的切换是Radio Link Addition RequestC.Inter-NodeB的切换是Radio Link SetupRequestD.Intra-NodeB的切换是Radio Link Setup RequestE.Inter-NodeB的切换是Radio Link Reconfiguration Request
考题
下列信令中不能解读出业务种类是:()
A.Radio Access Bearer Assignment RequestB.Radio Link Reconfiguration PrepareC.Radio Link Reconfiguration ReadyD.Radio Link Reconfiguration Commit
考题
失败原因为RNLC_RLFail_Report时,在Call Trace分析中失败流程中典型的现象是()
A.Ue向NodeB发送Radio Link FailureIndicatioB.Ue向RNC发送Radio Link FailureIndicatioC.RNC向NodeB发送Radio Link FailureIndicatioD.NodeB向RNC发送Radio Link FailureIndicatio
考题
在下行链路,即使MS不能收到SACCH帧,信令链路也会维持大约10秒,因此下列参数应如何设置?()
A.link_fail=4B.radio_link_timeout=10C.link_fail=10D.radio_link_timeout=4
考题
Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?()
A. use a Layer 2 link between distribution switchesB. use a Layer 3 link between distribution switchesC. use a redundant link to the coreD. use a Layer 3 link between distribution switches with route summarization
考题
RL重配置分为同步和异步两种情况，那么下列那条信令属于成功的同步RL重配置过程（）A、RADIO LINK RECONFIGURATION PREPARE；B、RADIO LINK RECONFIGURATION READY；C、RADIO LINK RECONFIGURATION COMMIT；D、RADIO LINK RECONFIGURATION RESPONSE。
考题
Which statement is correct about an OSPF sham-link？（）A、A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.B、A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.C、A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.D、A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.E、A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
考题
从下列哪条信令中可以解读出业务种类：（）A、Radio Access Bearer Assignment RequestB、Radio Link Reconfiguration PrepareC、Radio Link Reconfiguration ReadyD、Radio Link Reconfiguration Commit
考题
What is the point of using a combiner? （）A、Up to four sites can share one PCM link.B、Several TRXs can share one antenna system.C、The mobile can listen to two base stations at the same time.D、Only one base station is needed per site.E、Sending and transmitting can be performed from the same antenna.
考题
以下属于Iur口的信令有（） A、RADIO LINK SETUP FAILUREB、RADIO LINK RECONFIGURATION FAILUREC、PHYSICAL CHANNEL RECONFIGURATION FAILURED、RADIO LINK DELETION RESPONSE
考题
失败原因为RNLC_RLFail_Report时，在Call Trace分析中失败流程中典型的现象是（）A、Ue向NodeB发送Radio Link FailureIndicatioB、Ue向RNC发送Radio Link FailureIndicatioC、RNC向NodeB发送Radio Link FailureIndicatioD、NodeB向RNC发送Radio Link FailureIndicatio
考题
一个完整的CS12.2K呼叫主叫流程包含很多信令子流程。在RAB建立过程中，存在RL重配置的信令流程，那么下列信令消息，正常同步方式的RL重配置流程不包含（）信令消息。A、RADIO LINK RECONFIGURATION PREPAREB、RADIO LINK RECONFIGURATION READYC、RADIO LINK RECONFIGURATION COMMITD、RADIO LINK SETUP FAILURE
考题
单选题Under the International Code of Signals how are geographical locations such as New York City transmitted?（）A
A commonly used abbreviation such as NYC is usedB
The name is spelled outC
The geographical coordinates are usedD
The radio station call sign for the nearest marine radio station is used
考题
单选题What is the MOST important thing you should do before transmitting on a marine radio? （）A
Ask for permissionB
Record the time in your radio logC
Press the push to talk button three timesD
Monitor the channel to insure that it is clear
考题
单选题Beijing Television Station Transmitting Tower really looks magnificent at night when it’s illuminated.A
decoratedB
illustratedC
lit upD
studied carefully
考题
单选题General radio communications in the global system are those between（）concerning the management and operation of the ships and may have impact on their safety.A
SAR party and the ship in distressB
SAR authorities and the ship in distress and survival craftC
A ship station and any coast stationD
Ship stations and shore-based communication network
考题
单选题As observed from the Earth，the angle between lines from the Earth to the Sun and the Earth to an inferior planet is known as（）.A
elongationB
conjunctionC
oppositionD
quadrature
考题
单选题How does a coast radio station communicating by HF radio normally identify itself?（）A
By its subscriber numberB
By its call signC
By its MMSID
By its MID
考题
单选题（）can receive MSI sent by coast station.A
A NAVTEX receiverB
An EGC receiverC
MF/HF radio telephoneD
HF radio telephone with NBDP
考题
单选题A mobile earth station in the maritime mobile-satellite service,which is located on board ship,is called（）.A
an LESB
an SESC
a ship stationD
a Land Mobile Station
考题
单选题Which statement is correct about an OSPF sham-link？（）A
A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.B
A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.C
A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.D
A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.E
A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
考题
单选题How is “radio silence” imposed?（）A
By the On Scene Coordinator (OSC)B
By the Coast Earth Station (CES) controlling the distress communications on that frequencyC
It is imposed by the Public Correspondence Station (PCS) controlling the distress communications on that frequency or channelD
It is imposed by the High Seas Service (HSS) controlling the distress communications on that frequency or channel
考题
单选题Where would you find the FCC authorization for transmitting on your ship’s EPIRB?（）A
On the Ship Station LicenseB
On the side of the EPIRB transmitterC
In the radio logD
On the Certificate of Inspection
考题
单选题Every radio installation shall be clearly marked with the（）, the ship station identity and other codes as applicable for the use of the radio installation.A
call signB
port of registerC
radio nameD
signal label
考题
单选题The maritime radio system consisting of a series of coast stations transmitting coastal warnings is called（）.A
NAVTEXB
HYDROLANT/HYDROPACC
NAVAREAD
SAFESEA
考题
单选题All Loran-C transmitting stations are equipped with cesium frequency standards which permit （）.A
every station in one chain to transmit at the same timeB
each station to transmit without reference to another stationC
on-line transmission of single-line transmitters at the same timeD
each station to only depend on the master for synchronization and signal ratio
考题
单选题Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.A
exchangeB
to exchangeC
exchangingD
exchanged
热门标签
最新试卷