單項(xiàng)選擇題A company has a small network,consisting of a single switch and a single router.The switch has been configured with two vlans,and route-on-a-stick is being configured on the router for inter-vlan routing.A trunk is configured to connect the switch to the router.What is the minimum number of router subinterfaces that are required for all the vlans to communicate?()

A.one
B.three
C.two
D.zero


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A.算法是受到密碼界社團(tuán)信任的
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C.算法支持可變的和長(zhǎng)的密鑰長(zhǎng)度以及擴(kuò)展性
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2.單項(xiàng)選擇題What is one benefit of PVST+?()

A.PVST+reduces the CPU cycles for all the switches in the network
B.PVST+automatically selects the root bridge location,to provide optimiz…
C.PVST+allow the root switch location to be optimized per vlan.
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3.多項(xiàng)選擇題Which two are advantages of static routing when compared to dynamic routing?()

A.Security increases because only the network administrator may change the routing tables.
B.Configuration complexity decreases as network size increases.
C.Routing updates are automatically sent to neighbors.
D.Route summarization iscompued automatically by the router.
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F.An efficient algorithm is used to build routing tables,using automatic updates.
G. Routing tables adapt automatically to topology changes.

4.多項(xiàng)選擇題下列算法中哪些是對(duì)稱密鑰算法()

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5.單項(xiàng)選擇題Which item represents the standard IP ACL?()

A.access-list 50 deny 192.168.1.1 0.0.0.255
B.access-list 110 permit ip any any
C.access-list 2500 deny tcp any host 192.168.1.1 eq 22
D.access-list 101 deny tcp any host 192.168.1.1

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