试题详情
- 单项选择题 An administrator attempts to open a web page and sees the following error: 'Error 404: Page not found'. The administrator then uses the ping command and finds that the default gateway cannot be pinged. At which of the following layers does the problem MOST likely reside?（）
A、Layer 1
B、Layer 4
C、Layer 5
D、Layer 7
- A
关注下方微信公众号，在线模考后查看
热门试题
- Which of the followi
- Which of
- An administrator reb
- When purchasin
- Which of the followi
- Which of the followi
- Which of the followi
- An administrat
- During which of the
- 公司的法律与合规部门起草了一项新政策，规
- Which of
- Which of the followi
- Which of
- How is V
- A router that takes
- The SOW
- Which of the followi
- A new st
- Which of the followi
- Which of the followi