The satellites over the major ocean regions cover the globe（）.

相似题目

• You are designing a strategy to optimize the DNS name resolution for the satellite offices that connect to the branch offices by using ISDN lines. What should you do?（）

  A . Use caching-only DNS servers at these satellite offices. B . Configure a Hosts file for all client computers at these satellite offices. C . Configure a DNS server to use WINS forward lookup at these satellite offices. D . Place a DNS server with secondary zones of all domains at these satellite offices.

  查看最佳答案

• The first communication satellite was used for the purpose of（）.

  A . taking the place of the radio system B . introducing a new life-saving system C . saving the vessels in distress D . improving the communication on land

  查看最佳答案

• There are（）operational satellites in the INMARSAT system covering the whole globe except the polar regions.

  A . 3 B . 4 C . 8 D . 12

  查看最佳答案

• Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.

  A . depend on B . depending on C . dependent on D . depended o

  查看最佳答案

• The designing of a satellite in the heavenly environment is not absolutely an easy job.

  A . by all means B . by any means C . by every means D . by no means

  查看最佳答案

• Any ships fitted with SES can（）and（）through the satellite system when sending a distress alert.

  A . enter the system / contact an RCC B . access to INMARSAT / establish contact with a CES C . have absolute priority to enter the system / make contact with a CES D . enter the system gradually / wait for rescue

  查看最佳答案

• The position of the POR satellite in the Inmarsat system is（）above the equator.

  A . 55.5W B . 64.5E C . 15.5W D . 178E

  查看最佳答案

• A mobile earth station in the maritime mobile-satellite service,which is located on board ship,is called（）.

  A . an LES B . an SES C . a ship station D . a Land Mobile Statio

  查看最佳答案

• What’s the advantage when using the satellites?（）

  A . The message can be directed to the desired location B . The message can follow the earth‟s curvature C . The quality of message can not be affected by climatic D . the range of the message extend and the quality of reception is improved

  查看最佳答案

• The car will be guided by a differential GPS system that corrects errors arising in global positioning satellite signals（）they travel through the ionosphere and troposphere.

  A . as B . that C . what D . where

  查看最佳答案

• When the union purchase derrick is operated, one derrick is positioned over the quayside and the other almost vertically over the （）.

  A、dock B、hold C、pedestal D、machinery space

  查看最佳答案

• Within the polar areas it is（）to see a satellite in geo-stationary orbit .

  A . impossible B . possible C . easy D . difficult

  查看最佳答案

• You are designing a strategy to optimize the DNS name resolution for the satellite offices that connect to the branch offices by using ISDN lines.  What should you do？（）

  A .  Use caching-only DNS servers at these satellite offices. B .  Configure a Hosts file for all client computers at these satellite offices. C .  Configure a DNS server to use WINS forward lookup at these satellite offices. D .  Place a DNS server with secondary zones of all domains at these satellite offices.

  查看最佳答案

• You need to recommend an administrative solution for the local support technicians in the satellite offices. The solution must meet the companys security requirements.What should you include in the recommendation？（）

  A . Active Directory delegation B . Administrator Role Separation C . managed service accounts D . Restricted Grou

  查看最佳答案

• There are some back-up satellites in the event of failure. If the operational satellite is out of work,（）.

  A . communications in the whole system will stop B . the global system will be damaged C . the back-up one will take its place D . the whole system will not work

  查看最佳答案

• The advantage of geostationary satellites is（）.

  A . the range of antenna can cover everywhere in the world B . we can know the ship’s exact position C . that the distress alert can be located as soon as possible D . antenna of permanent earth stations may be directed towards fixed points in the sky

  查看最佳答案

• The car will be guided by a differential GPS system that corrects errors（）in global positioning satellite signals.

  A . arising B . rise C . raise D . arouse

  查看最佳答案

• By using the satellite-aided global positioning system （GPS), a computer in the automobile

  By using the satellite-aided global positioning system (GPS), a computer in the automobile can do the following EXCEPT ______ . A．it can locate the vehicle within a few feet B．it can show where the vehicle is relative to the destination the driver wants to reach C．after being told the destination, the computer locates it and directs the driver to it D．after being told the destination, the computer can offer the driver alternative routes if needed

  查看最佳答案

• The Space Age commenced in October 1957 when the first ______ satellite was launched by the Soviet

  Union. A.beneficial B.artificial C.commercial D.financial

  查看最佳答案

• Because the set-up box that you connect up to your cable or satellite, the boundary between a television set and a PC will be not clear.

  A．Y B．N C．NG

  查看最佳答案

• Which of the following can best describe Gehman's attitude towards satellite images as mentioned in the passage？

  A．Indifferent. B．Approving. C．Unclear. D．Cautious.

  查看最佳答案

• The spatial resolution of earth observation satellite images has been developed to the present highest_____resolution（）

  A．km level B．100-meter C．submeter D．millimeter

  查看最佳答案

• （）is the orbit of a geosynchronous satellite whose circular and direct orbit lies in the plane of the Earth’s equator,and it is approximately 35,700 kilometers above the equator

  A．Polar Orbiting B．GPS Satellite Orbit C．Geostationary Satellite Orbit D．The North and South Poles

  查看最佳答案