海船船员考试
单选题In radiotelephone communications，the prefix PAN-PAN indicates that（）.A a ship is threatened by grave and imminent danger and requests immediate assistanceB a calling station has an urgent message about the safety of a personC the message following the
题目
a ship is threatened by grave and imminent danger and requests immediate assistance
a calling station has an urgent message about the safety of a person
the message following the prefix will be about the safety of navigation
the message following is a meteorological warning
相似问题和答案
第1题：
A.<prefix：myTaga="foo"b="bar"c="baz"/>
B.<prefix：myTagattributes={"foo"，"bar"，"baz"}/>
C.<prefix：myTagjsp：attributea="foo"b="bar"c="baz"/>
D.<prefix:myTag><jsp:attributename="a">foo</jsp:attribute><jsp:attributename="b">bar</jsp:attribute><jsp:attributename="c">baz</jsp:attribute>.</prefix:myTag>
第2题：
The radiotelephone required by the Vessel Bridge-to-Bridge Radiotelephone Act is for the exclusive use of ______.
A.the Master or person in charge of the vessel
B.a person designated by the Master
C.a person on board to pilot the vessel
D.All of the above
第3题：
A.<%@taglibURL=”/hello”prefix=”examples”%>
B.<%@taglibURI=”/hello”prefix=”examples”%>
C.<%@tagliburl=”/hello”prefix=”examples”%>
D.<%@tagliburi=”/hello”prefix=”examples”%>
第4题：
在java程序中的my.jsp中要使用标记扩展，下列选项正确的是（）。
- A、%@taglib URL=“/hello”prefix=“examples”%>
- B、%taglib URI=“/hello”prefix=“examples”%>
- C、%@taglib url=“/hello”prefix=“examples”%>
- D、%@taglib uri=“/hello”prefix=“examples”%>
正确答案:D
第5题：
在MP-BGP的更新中，包含下列哪些信息（）。
- A、VPNv4 prefix，RT，MPLSVPN label以及所有强制的BGP属性
- B、VPNv4 prefix，MPLSVPN label
- C、VPNv4 prefix，RT以及所有强制的BGP属性
- D、VPNv4 prefix，全局BGP prefix以及所有强制的BGP属性
正确答案:A
第6题：
An engineer has typed four different single - line prefix lists in a word processor. The four answers show the four different single -lin e prefix lists. The engineer then does a copy/paste of the configuration into a router.Which of the lists could match a subnet whose prefix length is 27?（）
A. ip prefix - list fred permit 10.0.0.0/24 ge 16 le 28
B. ip prefix - list barney permit 10.0.0.0/24 le 28
C. ip prefix - list wilma permit 10.0.0.0/24 ge 25
D. ip prefix - list betty permit 10.0.0.0/24 ge 28
第7题：
If your radiotelephone fails while underway，______．
A.you must visually signal oncoming vessels
B.you must immediately tie up in the nearest port until the radiotelephone is repaired
C.you must anchor until the radiotelephone is repaired
D.the loss of the radiotelephone must be considered in navigating the vessel
假如你在航行时无线电话出了故障，航行中这一情况必须被考虑。
第8题：
PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow? ______.
A.Distress
B.Safety
C.All clear
D.Urgency
在无线电话上重复三次Pan-Pan显示接下来的信息将是紧急的。
第9题：
An engineer has typed four different single - line prefix lists in a word processor. The four answers show the four different single -lin e prefix lists. The engineer then does a copy/paste of the configuration into a router. Which of the lists could match a subnet whose prefix length is 27?（）
- A、ip prefix - list fred permit 10.0.0.0/24 ge 16 le 28
- B、ip prefix - list barney permit 10.0.0.0/24 le 28
- C、ip prefix - list wilma permit 10.0.0.0/24 ge 25
- D、ip prefix - list betty permit 10.0.0.0/24 ge 28
正确答案:B,C
第10题：
What action will a BGP route reflector take when it receives a prefix marked with the community attribute NO ADVERTISE from a client peer？（）
- A、It will advertise the prefix to all other client peers and non-client peers.
- B、It will not advertise the prefix to EBGP peers.
- C、It will only advertise the prefix to all other IBGP peers.
- D、It will not advertise the prefix to any peers.
正确答案:D