carrier载波

题目

carrier载波

相似考题

1.IEEE802.3以太网采用_____协议以支持总线性结构，它的全称是()。A.STP，Spanning Tree ProtocolB.STP，Shortest Tree ProtocolC.CSMA/CD Carrier Sense Multicast Access/Collision DetectionD.CSMA/CD Carrier Sent Multicast Access/CRC DetectionE.CSMA/CD Carrier Service Multiple Access/Collision DetectionF.CSMA/CD Carrier Sense Multiple Access/Collision Detection

2.DCD：Data Carder Detect，载波侦测指示，有时简称CD(Cartier Detect)。当调制解调器收到对方调制解调器送来的信号(载波Carrier)时，此灯会亮，代表已能和对方调制解调器传送【 】。

3.以下关于C／I描述正确的是()A.（C：Carrier，载波功率。I：Idle）B.GSM规范中一般要求C/I>=9DBC.C/I>=12（不开跳频），C/I>=9（开跳频）D.用于反映无用的无线信号受有用的无线信号干扰的情况

4.下行同步信道包括P-SCH 和S-SCH，P-SCH和S-SCH的频域位置为DC carrier附近的72个子载波。实际上只占了62个子载波，其他10个不承载同步序列。()

更多“carrier载波”相关问题

  • 第1题：

    A clause in a bill of lading stating that the carrier would not be liable for any damage unless the shipper proved negligence or lack of due diligence on the carrier's part was held to be void because ________

    A.it shifted the burden of proof from the carrier to the shipper

    B.it shifted the burden of proof from the shipper to the carrier

    C.it denied the burden of proof

    D.it did not specify the burden of proof


    正确答案：A

  • 第2题：

    If the carrier and the shipper have agreed that the goods shall or may be carried on deck，the carrier must ______ in the bill of lading a statement to that effect．

    A.desert

    B.dessert

    C.insert

    D.reseat


    正确答案：C

  • 第3题：

    If a container which has not been filled，packed，stuffed or loaded by the Carrier is delivered by the Carrier with the seal ______，such delivery shall be deemed as full and complete performance of the Carrier's obligation．

    A.Intact

    B.Properly used

    C.Perfect

    D.Fully sized


    正确答案：A

  • 第4题：

    载波侦听（Carrier-Sense）是指网络上各个工作站在发送数据前都要侦听总线上有没有数据传输。


    正确答案:正确

  • 第5题：

    HIV carrier


    正确答案: 正常人感染了艾滋病病毒后，开始并不感觉自己有病，血清中也检测不出抗体，这段时间称为窗口期，一般为两周至3个月，然后进入无症状期，此期由几个月至十几年不等，血清中开始检测出抗HIV抗。从艾滋病病毒侵入人体，经过窗口期和无症状期，到艾滋病综合征出现前这段过程叫做艾滋病病毒感染（HIV感染），被感染的人称为艾滋病病毒携带者（HIV携带者）或感染者。

  • 第6题：

    以下关于C/I描述正确的是（）

    • A、（C://Carrier，载波功率。I：Idle）
    • B、GSM规范中一般要求C/I>=9DB
    • C、C/I>=12（不开跳频），C/I>=9（开跳频）
    • D、用于反映无用的无线信号受有用的无线信号干扰的情况

    正确答案:B,C

  • 第7题：

    Which four statements about the Carrier Supporting Carrier （CSC） feature are true？ （）

    • A、MPLS is required between the PE and CE routers that connect the backbone carrier to the customer carrier.
    • B、The backbone carrier must enable the PE router to check that the packets it receives from the CErouter contain only the labels that the PE router advertised to the CE router.
    • C、Every packet that crosses the backbone carrier must be encapsulated so that the packet includes MPLS labels
    • D、AII PE routers that link the backbone carrier to the customer carrier must run Route Target Rewrite.
    • E、Arouting protocol is required between the PE and CE routers that connect the backbone carrierto thecustomer carrier. The routing protocol enables the customer carrier to exchange IGP routing information with the backbone carrier.

    正确答案:A,B,C,E

  • 第8题：

    携带者（carrier）


    正确答案:表型正常而带有致病基因或异常染色体的个体，称为携带者。

  • 第9题：

    单选题
    The port State control officer may ensure that（）are exhibited in conspicuous places throughout the ship.
    A

    survey planning document

    B

    muster lists

    C

    bulk carrier booklet

    D

    bulk carrier loading triangle


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    If a container which has not been filled，packed，stuffed or loaded by the Carrier is delivered by the Carrier with the seal（），such delivery shall be deemed as full and complete performance of the Carrier’s obligation.
    A

    intact

    B

    properly used

    C

    perfect

    D

    fully sized


    正确答案： B
    解析： 暂无解析

  • 第11题：

    判断题
    载波侦听（Carrier-Sense）是指网络上各个工作站在发送数据前都要侦听总线上有没有数据传输。
    A

    对

    B

    错


    正确答案： 错
    解析： 暂无解析

  • 第12题：

    名词解释题
    carrier载波

    正确答案： 网络中传送的基本信号。载波被调制（即被改变）成编码数据。
    解析： 暂无解析

  • 第13题：

    Goods of an inflammable， explosive or dangerous nature to the shipment whereof the carrier， master or agent of the carrier， has not consented， with knowledge of their nature and character， may at any time before discharge， ________ at any place or destroyed or rendered innocuous by the carrier without compensation．

    A.be handed

    B.be landed

    C.be mended

    D.be tended


    正确答案：B

  • 第14题：

    Where both the carrier and the actual carrier are liable for compensation，they shall ______ be liable within the scope of such liability．

    A.separately

    B.jointly

    C.severally

    D.jointly and severally


    正确答案：D

  • 第15题：

    术语翻译：Carrier（）


    正确答案: 承运人

  • 第16题：

    载波聚合技术中，成员载波Component Carrier支持的带宽可以是？（）

    • A、1.4M
    • B、5M
    • C、20M
    • D、40M

    正确答案:A,B,C

  • 第17题：

    翻译：If the freight, contribution in general average demurrage to be paid to the carrier and other necessary charges paid by the carrier on behalf of the owner of the goods as well as other charges to be paid to the carrie have not been paid in full nor has appropriate security been given the carrier may have a lien to a reasonable extent on the goods.


    正确答案: 应当向承运人支付的运费、共同海损分摊、滞期费和承运人为货物垫付的必要费用以及应当向承运人支付的其他费用没有付清，又没有提供适当担保的，承运人可以在合理的限度内留置其货物。

  • 第18题：

    CGN（运营商NAT）是以下哪个英语的缩写

    • A、Carrier-Grade NET
    • B、Carrier-Grade Network
    • C、Carrier-Grade Networking
    • D、Carrier-Grade NAT

    正确答案:D

  • 第19题：

    The bulk carrier, general cargo ship, reefer ship and lumber carrier are all （）.

    • A、liquid cargo ships
    • B、multi-purpose ships
    • C、dry cargo ships
    • D、container ships

    正确答案:C

  • 第20题：

    The bill of lading serves as an evidence of the contract of carriage of goods by sea between the（）.

    • A、carrier and consignee
    • B、carrier and shipper
    • C、shipper and consignee
    • D、shipper and receiver

    正确答案:B

  • 第21题：

    单选题
    The type of carrier required to file a copy of freight tariffs would be the（）.
    A

    common carrier

    B

    tramp

    C

    public vessel

    D

    bulk carrier


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    Goods of an inflammable，explosive or dangerous nature to the shipment whereof the carrier，master or agent of the carrier，has not consented，with knowledge of their nature and character，may at any time before discharge，（）at any place or destroyed or rendered innocuous by the carrier without compensation.
    A

    be loaded

    B

    be landed

    C

    be lended

    D

    be loaned


    正确答案： C
    解析： 暂无解析

  • 第23题：

    问答题
    翻译：If the freight, contribution in general average demurrage to be paid to the carrier and other necessary charges paid by the carrier on behalf of the owner of the goods as well as other charges to be paid to the carrie have not been paid in full nor has appropriate security been given the carrier may have a lien to a reasonable extent on the goods.

    正确答案： 应当向承运人支付的运费、共同海损分摊、滞期费和承运人为货物垫付的必要费用以及应当向承运人支付的其他费用没有付清，又没有提供适当担保的，承运人可以在合理的限度内留置其货物。
    解析： 暂无解析

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