• [单选题]配置路由器时,封装PPP协议的命令是:()
  • 正确答案 :A
  • encap ppp


  • [单选题]OSI七层模型中,物理层的数据封装名称为()
  • 正确答案 :A
  • 比特


  • [单选题]路由器上激活端口的命令是()
  • 正确答案 :B
  • no shutdown


  • [单选题]路由器“特权模式”的提示符是:()
  • 正确答案 :B

  • [单选题]下列命令中,无法正确执行的是()
  • 正确答案 :A
  • Router(config)show run


  • [单选题]The Ezonexam network administrator has just issued the "switchport trunk native vlan 998" command on switch VE2. What is the function of this command?
  • 正确答案 :B
  • It designates VLAN 998 for untagged traffic


  • [多选题]Using a subnet mask of 255.255.255.224, which of the IP addresses below can you assign to the hosts on this subnet? (Select all that apply)
  • 正确答案 :CDE
  • 92.11.178.93

    134.178.18.56

    192.168.16.87

  • 解析:C,D,E 解析:Explanation:

  • [多选题]You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network? (Choose three)
  • 正确答案 :ABD
  • Congestion avoidance

    Windowing

    Buffering


  • [单选题]How many usable IP addresses can you get from a conventional Class C address?
  • 正确答案 :C
  • 254

  • 解析:解析:Explanation:

  • [单选题]A new Ezonexam switch is installed into an existing LAN and a new VTP trunk is set up with an existing switch. Which VLANs will be allowed on this new trunk?
  • 正确答案 :A
  • All defined VLANs are allowed on the trunk by default.

  • 解析:解析:Explanation:

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