CCIE系列認(rèn)證CCIE(350-001)章節(jié)練習(xí)(2019.04.29)

來源：考試資料網(wǎng)

1 Which two statements are true about 802.1s？（）

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2 Which configuration is used to enable root guard？（）

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3 What is a characteristic of Network Time Protocol？（）

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4 Which three protocols should be explicitly managed by using Control Plane Policing on an Internet borderrouter？（）

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5 Which three fields are optional in an OSPFv3 external LSA？（）

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6 The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）

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7 Customer X has a hub-and-spoke Frame Relay network， with a central office and two branch offices （RemoteA and RemoteB）. Each location has only one physical link to the Frame Relay cloud and RemoteB has a router that is not a Cisco router. Since the installation， there is no connectivity between RemoteB and the central office. What is a possible solution to this issue？（）

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8 After applying a new ACL on a device， its CPU utilization rose significantly and many messages startingwith "%SEC-6-IPACCESSLOG" appeared on the Syslog server.What can be done to resolve this situation？（）

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9 Before inserting a new switch in the network， the network administrator checks that the VTP domain name is correct， the VTP mode is set to server， and revision is lower than the switches in the network. The administrator then configures interfaces and trunks， erases existing VLANs， and connects the switch to the network. Following that procedure， there is no connectivity in the network. What is a possible cause of this problem？（）

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10 Refer to the exhibit. How would you get the 1.1.1.1 network into the OSPF database？（）

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