海船船员考试
单选题When using a radar in a unstabilized mode，fixes are determined most easily from（）.A center bearingsB tangent bearingsC rangesD objects that are close aboard
题目
center bearings
tangent bearings
ranges
objects that are close aboard
参考答案和解析
相似问题和答案
第1题：
A. It occurs every 29 hours.
B. Packet interception mode is enabled.
C. The host is unreachable on the local subnet.
D. The subnet is unreachable using the advertised router.
第2题：
When building an IP multicast domain using PIM which mode assumes that other routers do not want to forward multicast packets for the group?（）
- A、PIM - DM
- B、PIM - SM
- C、PIM - RP
- D、CGMP
- E、IGMP snooping
正确答案:B
第3题：
Radar display in which North is always at the top of the screen is a(n)______．
A.unstabilized display
B.stabilized display
C.composition display
D.relative display
北始终在雷达屏幕的上方的雷达显示方式时一种图像稳定的显示。
第4题：
Which two statements are true when using the configure exclusive CLI command?（）
- A、Multiple users can enter configuration mode and have their own private configuration.
- B、When a user commits, only the user's changes are committed.
- C、A message indicates which other users are in configuration mode and what portion of the configuration they are editing.
- D、Only a single user can edit the configuration.
正确答案:B,D
第5题：
How can a directory named /dirl be excluded during a restore of files backed up by name with the backup command（）
- A、By using the restore -x option followed by /dirl
- B、By adding an entry in the /etc/restore.exclude file
- C、By using the restore -i option to enter interactive mode and executing the command：delete /dirl
- D、By using the restore -i option when running restore to specify a text file containing ’/dirl1 as one of the lines in it
正确答案:C
第6题：
A. PIM - DM
B. PIM - SM
C. PIM - RP
D. CGMP
E. IGMP snooping
第7题：
When using Cisco Network Assistant to configure a WS-CE500-24LC switch， which three are available choices in the port settings window？（）
- A、Duplex mode selections
- B、Auto MDIX selections
- C、Status Selections
- D、Group mode selections
- E、Port security selections
正确答案:A,B,C
第8题：
The closest point of approach ( CPA ) of a contact on a relative motion radar may be determined ______.
A.immediately when the contact is noted on radar
B.only if the radar scope is watched constantly
C.after the contact has been marked at least twice
D.by an occasional glance at the radar
最近会遇点，的会遇距离在相对运动雷达显示可能被测定在接触点至少标记两次之后。
第9题：
What are two instances when a WX device route carves? （）(Choose two.)
- A、It occurs every 29 hours.
- B、Packet interception mode is enabled.
- C、The host is unreachable on the local subnet.
- D、The subnet is unreachable using the advertised router.
正确答案:C,D
第10题：
You are creating a Windows Forms Application by using the .NET Framework 3.5.Your applciation will be used by a government depertment.You need to ensure that the application meets "accessibilty" requirements.Which three actions should you perform？（）
- A、Expose keyboard focus visually and programmatically.
- B、Use the NeutralResourceLanguageAttribute attribute in the assembly.
- C、Provide documented keyboard access to all application features.
- D、Set all the colors to primary colors when the high contrast mode is on.
- E、Display all user interface elements by using the system color scheme when high contrast mode is off.
- F、Either display all visual cues or create sound effects for any information.
正确答案:A,C,E