What CCNA and CCNP study emphasize particularly on is a road by implement, switching equipment, receive technology and network trouble removal remotely.

CCNA和CCNP学习侧重的是路由器，交换机，远程接入技术以及网络故障排除。

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Trouble is, it's so simple, you're apt to see plenty of stutters and freeze-ups if your network connection suddenly goes south.

问题在于，它太简单了，如果你的网络连接突然变差，那视频就常常变得断断续续，时常停滞。

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Build your network so you hear what’s going on in the office and avoid trouble.

建立你的人脉，这样你才知道办公室里正在发生着什么，怎么避免麻烦。

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Matt Rota,an environmentalist with The Gulf Restoration Network says if the oil makes landfall here, it will spell trouble for the entire coast.

VOA: standard.2010.05.09

Clicking on the eBookstore column will prompt you to connect to a wireless network -- the device seemed have some trouble maintaining a connection, even when the network was strong, prompting us to log in multiple times.

ENGADGET: iRiver Story HD review

And though there's rarely an ideal time for a work stoppage, a fall strike would likely exact the most immediate and irreparable damage on network television, which is having trouble maintaining its relevance even with a full stable of writers at work.

FORBES: Write Off Network TV

There are another 20 hospitals that are in financial trouble - about a tenth of the network - although none has amassed debts on the scale of South London Healthcare.

BBC: South London Healthcare 'should be dissolved'