CCNA系列認(rèn)證CCNA(640-801)單項(xiàng)選擇題每日一練(2019.05.06)

來源：考試資料網(wǎng)

1 By default, how often does a router running IGRP send its complete routing table to its neighbors?（）

2 Which one of the following commands will display the placement and direction of an IP access control list on the interfaces of a router?（）

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3 Catalyst switches utilize a special technology to identify and prevent topology loops and ensure that data flows properly through a single network path. What is the name of this technology?（）

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4 A router receives a packet on interface 172.16.45.66/26. The source IP of the packet is 172.16.45.127/26 and the destination is 172.16.46.191/26.How will the router handle the packet?（）

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5 The Testking network is implementing dialup services for their remote employees.Testking uses several different Layer 3 protocols on the network. Authentication ofthe users connecting to the network is required for security. Additionally, some employees will be dialing long distance and will need callback support.Which protocol is the best choice for these remote access services?（）

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