CCIE系列認(rèn)證單項選擇題每日一練(2019.05.04)

來源：考試資料網(wǎng)

1 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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2 Which multicast address is reserved for cisco-rp-discovery？（）

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3 Which of the following is the encryption algorithm used for priv option when using SNMPv3？（）

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4 Which of these is not a component of MPLS traffic engineering？（）

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5 Spanning Tree Protocol IEEE 802.1s defines the ability to deploy which of these？（）

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