單項選擇題If a host on a network has the address 172.16.45.14/30, what is the address of the subnetwork to which this host belongs?()

A. 172.16.45.0
B. 172.16.45.4
C. 172.16.45.8
D. 172.16.45.12
E. 172.16.45.18


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A. Device identifiers
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2.多項選擇題Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment?()

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C. NIC
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3.多項選擇題With regard to bridges and switches, which of the following statements are true?()

A. Switches are primarily software based while bridges are hardware based.
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4.多項選擇題Which of the following are benefits of segmenting a network with a router?()

A. Broadcasts are not forwarded across the router.
B. All broadcasts are completely eliminated.
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F. None of the above.

5.單項選擇題The Testking corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?()

A. The number of broadcast domains will be decreased.
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C. It will increase the number of collisions.
D. It will prevent segment 1's broadcasts from getting to segment 2.
E. It will connect segment 1's broadcasts to segment 2.

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