海船船员考试

单选题A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）A Great circleB EquatorC Small circleD Meridian

题目
单选题
A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
A

Great circle

B

Equator

C

Small circle

D

Meridian

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相似问题和答案

第1题：

Pitching is angular motion of the vessel about what axis(轴)?

A.Longitudinal

B.Transverse

C.Vertical

D.Centerline


正确答案：B
纵摇是船舶沿着哪个轴转动？横轴。

第2题：

What is the central processing component of the forwarding plane?()

A. PFE

B. RE

C. Junos OS

D. forwarding table


参考答案：A

第3题：

61 The document authorizing functional areas to charge against the project is the:

A. Work authorization form.

B. Scope baseline

C. Project charter

D. Management plan

E. Linear responsibility chart


正确答案：A

第4题：

What are three facts control plane policing？ （）

  • A、a set of rules that can be established and associated with the ingress and egress ports of the control plane
  • B、improves performance of the control plane by marking control plane packets with DSCPEF
  • C、protects the control plane on a router from DoS attacks
  • D、treats the control plane as a separate entity with its own ingress （input） and egress （output） ports
  • E、provides the control plane with a separate token bucket
  • F、enhances security of the control plane by tunneling packets to and from the control plane

正确答案:A,C,D

第5题：

What time does our plane leave?（）

  • A、Saturday.
  • B、Eight o'clock in the morning
  • C、Last week.
  • D、This week

正确答案:B

第6题：

On what is the Kompella control plane based?()

A. IGP

B. LDP

C. BGP

D. MPLS


参考答案：C

第7题：

What provides little or no indication that a vessel is dragging anchor ________．

A.Increasing radar range to a fixed object ahead

B.Drift lead with the line leading perpendicular to the centerline

C.Vibrations felt by placing a hand on the cable

D.Changing bearings to distant fixed objects abeam


正确答案：B

第8题：

Lily’s father scolded her and made her promise __________ again.

(A) never to do that

(B) never to do what

(C) never doing that

(D) never doing what


正确答案：A

第9题：

What are two benefits of control plane policing？（）

  • A、protection against denial of service （DoS） attacks at infrastructure routers and switches
  • B、 protection against known worm attacks in routers and switches
  • C、quality of service （QoS） control for packets that are sourced from the data plane of Cisco routers and switches
  • D、quality of service control （QoS） for packets that are destined to the control plane of Cisco routers and switches
  • E、quality of service （QoS） control for packets that are destined to the data plane of Cisco routers and switches

正确答案:A,D

第10题：

单选题
If a line at right angles to the axis rotates about that axis and, at the same time, moves parallel to the axis, it will generate （）.
A

a helix

B

a helicoidal

C

a curve

D

a cone


正确答案： A
解析： 暂无解析

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