海船船员考试
单选题Which spoken emergency signal would you use to call a boat to come assist a man overboard?（）A Distress signalB Urgency signalC Safety signalD None of the above
题目
Distress signal
Urgency signal
Safety signal
None of the above
相似问题和答案
第1题：
A. &
B. ACCEPT
C. PROMPT
D. &&
第2题：
Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member， which is not a member of the current group. How would you recover from the loss of the redo log member？（）
- A、SMON would automatically restore the lost file.
- B、You would need to restore the whole database from the last backup.
- C、You would need to restore the file from the last full database backup.
- D、You would need to use flashback technology to restore the lost redo log member.
- E、You would need to use Recovery Manager （RMAN） to restore the lost redo log member.
- F、You would need to restore the missing log file by copying one of the remaining files from the same group.
正确答案:F
第3题：
A.Talking about
B.Talked about
C.Speaking of
D.Spoken of
第4题：
Which substitution variable would you use if you want to reuse the variable without prompting the user each time?（）
- A、&
- B、ACCEPT
- C、PROMPT
- D、&&
正确答案:D
第5题：
Which command （without options） would you use to display how much space is available on all mounted partitions？（）
正确答案:/BIN/DF
第6题：
If you are on the beach and are signaling to a small boat in distress that your present location is dangerous and they should land to the left，you would ______．
A.fire a green star to the left
B.send the letter K by light and point to the left
C.place an orange signal to your left as you signal with a white light
D.send the code signal S followed by L
第7题：
Which of the following are functions that are often provided by an ITSP but are not typically provided by the PSTN？（）
- A、 QoS
- B、 call setup and teardown
- C、 call routing
- D、 call supervision
- E、 audio signal compression
正确答案:A,E
第8题：
A、Spoken of
B、Speaking of
C、Talked of
D、Talking of
解析：非谓语。此处应填入表独立主格结构， talk of结构不常见，因此只能填入speaking of
第9题：
Very soon you will be performing maintenance operations. You would have several jobs to run as soon as the maintenance period starts. Which method would you use to create jobs without specifying the time period when the job should be run？（）
- A、 use DBMS_IJOB package
- B、 use Oracle Scheduler
- C、 use DBMS_JOB package
- D、 use Oracle Data Pump Export and Import
正确答案:B
第10题：
Which protocols would you want to use for secure VPN ？（）
- A、EAP
- B、Chap
- C、Ms-Chap
- D、PPTP
- E、PAP
- F、SPAP
正确答案:D