海船船员考试
单选题Which of the following radar contacts will present the most immediate danger?（）.A A vessel on the starboard bow whose bearing is changing and range is decreasingB A vessel on the starboard bow whose bearing is steady and range is increasingC A vessel o
题目
A vessel on the starboard bow whose bearing is changing and range is decreasing
A vessel on the starboard bow whose bearing is steady and range is increasing
A vessel on the port bow whose bearing is steady and range is decreasing
A vessel on the port bow whose bearing is changing to the left and range decreasing
相似问题和答案
第1题：
A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）
- A、The wrong cable type has been used.
- B、. IDS has shut down the computer's switch port.
- C、The port on the switch is configured incorrectly
- D、Spanning tree protocol was implemented.
正确答案:C
第2题：
When disposing of computer equipment, which of the following can present an environmental hazard?（）
- A、Bezel
- B、SATA cable
- C、Cat5 cable
- D、CRT monitor
正确答案:D
第3题：
Which of the following cables is the MOST susceptible to interference?（）
- A、Fiber
- B、Coax
- C、UTP
- D、STP
正确答案:C
第4题：
During a boot, which of the following procedures is most likely to present a menu that prompts the user to copy a dump?（）
- A、 Set the dump device to /dev/hd6.
- B、 Run sysdumpdev to set the force copy flag for dump to true.
- C、 Run sysdumpdev to set the force copy flag for dump to false.
- D、 Increase space in the /tmp directory.
正确答案:C
第5题：
A Stateful firewall is MOST useful in protecting against which of the following network scans?（）
- A、PING
- B、UDP
- C、Xmas
- D、ACK
正确答案:C
第6题：
Which of the following methods of user authentication is the MOST secure？（）
- A、CHAP
- B、Kerberos
- C、TACACS
- D、EAP
正确答案:B
第7题：
Which of the following must be available prior to performing the FIRST server backup？（）
- A、The most recent service pack
- B、The most recent backup documentation plan
- C、The most recent backup utility
- D、The most recent hotfixes
正确答案:B
第8题：
Which of the following media types is the MOST durable in harsh environments?（）
- A、Disk
- B、Tape
- C、Optical
- D、Flash
正确答案:D
第9题：
Which of the following devices would MOST likely integrate a DHCP server?（）
- A、Router
- B、Hub
- C、Switch
- D、Bridge
正确答案:A
第10题：
A customer has a large amount of data stored on three database servers and is concerned that at present there is no disaster recovery plan in place. They have an existing tape backup solution that meets their backup window. In order to analyze potential disaster recovery plans， which of the following questions is the most important？（）
- A、What is the minimum critical backup window？
- B、Which server is handling the most critical data？
- C、How much data is stored on each server？
- D、What is the throughput of the hard drives？
正确答案:B