Minimal pairs are pairs of words that differ only in one sound.（）

第1题

100BASE-TX makes use of two pairs of twisted pair cable, one pair used for transmission and the other for(69).A．receptionB．detectionC．relationD．connection

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第2题

Flex Links are a pair of a Layer 2 interfaces (switchports or port channels), where one interface is configured to act as a backup to the other. Which two statements are correct regarding Flex Links?（）A. An interface can only belong to single Flex Links.B. An interface can belong to multiple Flex Links.C. Flex Links operate only over single pairs of links.D. Flex Links automatically disable STP so no BPDUs are propagated.

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第3题

Of all the following pairs of words, __________ is a minimal pair.A.boot and boughtB.deep and dogC.either and neitherD.ghost and best

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第4题

Which of the following activities can help develop the skill of listening for gist? A. Listen and find out where Jim lives. B. Listen and decide on the best title for the passage. C. Listen and underline the words the speaker stresses. D. Listen to pairs of words and tell if they are the same.

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第5题

Which of the following pairs is not a minimal pair？( ) A./sip//zip/B./fi：l//li：f/C./keit//feit/D./sai//sei/

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第6题

Minimal pairs are pairs of words that differ only in one sound.（）A对B错

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第7题

You deployed new fibers in your network to replace copper spans that were too long. While reconnecting the network， you experienced network problems because you reconnected wrong fibers to wrong ports. What could you do to prevent this type of problem in the future， particularly when connecting and reconnecting fiber pairs？ （）A、 Only use fiber in pairs.B、 Configure root guard on your switches.C、 Do not use fiber but use copper.D、 Configure UDLD to prevent one-way link conditions.

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