impossible
possible
easy
difficult
第1题:
From the first paragraph we can learn that ______.
A) very few people have the sensitivity of the blind'
B) blind people can manage to see things, but not clearly
C) not everybody sees with his eyes
D) it is possible to narrow the photosensitive areas of the body
第2题:
An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?()
A. stub area
B. transit area
C. border area
D. not-so-stubby area
第3题:
Generally speaking, the quality of life, especially as______(see)by the individual, is meaningful in terms of the degree to which these various areas of life are available or provide satisfaction to the individual.
第4题:
In polar regions you should NOT expect to see ______.
A.mirage effects
B.sea smoke
C.extensive snowfall
D.false horizons
第5题:
A. Areas introduce a boundary on the link - state updates.
B. Areas are logical definitions specific to any given router.
C. All routers within an area have the exact link - state database.
D. The calculation of the Dijkstra algorithm on a router is limited to changes within an area.
E. The area designated router will always have a priority of 0.
第6题:
A. Level 1 only routers see routes contained in their area.
B. Level 1 routers route towards Level 2 routers due to the attached bit.
C. Level 2 routers route towards Level 1 routers due to the attached bit.
D. Level 2 routers can see routes in other Level 2 areas and routes originated in Level 1 areas.
第7题:
What is defined as and area, excluding sea areas A1 and A2, within the coverage of an INMARSAT geostationary satellite in which continuous alerting is available?
A.Ocean Area Regions AOR-E, AOR-W, POR or IOR
B.Sea Area A3
C.Sea Area A4
D.Coastal and Inland Waters
第8题:
A.compacted
B.restricted
C.despersed
D.delated
第9题:
CCTV programs are _____ by satellite to the remotest areas in the country.
[A] transferred
[B] transported
[C] transformed
[D] transmitted
第10题: