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【单选题】

You are making a telephone call ship-to-shore using the VHF-FM service.You can tell that the working channel is busy if you hear（）.

A、Speech

B、Signaling tones

C、A busy signal

D、All of the above

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更多“You are making a telephone call ship-to-shore using the VHF-FM service.You can tell that the working channel is busy if you hear（）.”相关的问题
第1题
[单选题] You use two user accounts for your computer: standard user and administrator. You log on to your computer as standard user but are unable to make advanced configuration changes. You need to make advanced configuration changes while you are logged on as a standard user. What should you do?（）

A、A  B、B  C、C  D、D  

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第2题
[] Only in this way（）progress in your English.

A、A.you make  B、B.can you make  C、C.you be able to make  D、D.will you able to make  

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第3题
[多选题] You are using Recovery Manager (RMAN) to perform backups. In which three situations would you perform a compressed backup?（）

A、You are backing up to tape and your tape device performs its own compression.  B、You are making image copies, and you have not enabled tablespace compression.  C、You are using disk-based backups and disk space in your Flash Recovery Area, or other disk-based backup destinations are limited.  D、You are performing your backups to some device over a network where reduced network bandwidth is more important than CPU usage.  E、You are using some archival backup media, such as CD or DVD, where reducing backup sizes saves media costs and archival storage.  

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第4题
[单选题] When you are asked to assist in accepting delivery of goods, you should（）

A、make clear of your authority  B、make friends with ships crew  C、call the first engineer if there is a problem  D、call the master if there is a problem  

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第5题
[] FTTH接口Tel1，Tel2，Pots1，Pots2接电话方式（）

A、A.随意接  B、B.指定接  C、C.只能接Tel1或Pots1  D、D.只能接Tel2或Pots2  

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第6题
[单选题] You are the network administrator for passguide.com. Which device will you install in your computer to make wireless connections you and a network?（）

A、Repeater  B、Wireless router  C、Hub  D、Wireless network adapter  

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第7题
[单选题] You are the network administrator for passguide.com. Which device will you install in your computer to make wireless connections you and a network?（）

A、Wireless router  B、Hub  C、Repeater  D、Wireless network adapter  

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第8题
[单选题] 下面代码执行后，正确的输出结果是（）。

A、You are fired! You are hired!  B、You are fired! You are fired!  C、You are hired! You are hired!  D、You are hired! Youarefired!  

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第9题
[] You use Microsoft .NET Framework 4 to create a Windows Forms application.  You created a new application, you then wrote the code below: Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture; Which of the following options are TRUE?（） You use Microsoft .NET Framework 4 to create a Windows Forms application.  You created a new application, you then wrote the code below: Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture; Which of the following options are TRUE?（）

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第10题
[单选题] Under the Pollution Regulations，when you dump garbage in to the sea you must（）.

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