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A user is unable to reach the In

题目

A user is unable to reach the Internet. The technician asks the user to do an IPCONFIG /all. The userreports that their IP address is 172.16.1.18, subnet mask is 255.255.255.0, and their default gateway is 172.16.1.18. Which of the following is the cause of the problem?（）

  • A、Default gateway
  • B、Network cable
  • C、Subnet mask
  • D、CNAME record
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相似问题和答案

第1题：

User2 is complaining that he is unable to list the contents of a directory. What is the most likely cause?()

A. User2 needs write permission to the directory.

B. User2 needs both read and write permissions to the directory.

C. User2 needs both read and execute permissions to the directory.

D. User2 needs both write and execute permissions to the directory.


参考答案：C

第2题：

Selecting afixed retransnussion time for all connections can result in serious consequences. Ifthe retransmission time does not allow enough time for a （73） to reach the destination and an acknowledgment to reach the source, it can result in retransmission of segments that are still on the way. Conversely, if the retransnussion time is longer than necessary for a short path, it may result in delay for the application programs.

A.process
B.segment
C.program
D.user

答案：B
解析：
网络工程师

第3题：

A router has been configured with the settings shown below:[edit]user@host show system authentication-order authentication-order [ radius tacplus ];The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers are not accessible?（）

A.The user lab will not be able to login.

B.The user lab will be authenticated against the local database and will be able to login.

C.The user lab will receive an error message indicating the router is unable to authenticate due to the authentication servers not responding.

D.The user will be able to login only if tries to login as the root user.


参考答案：B

第4题：

An administrator receives a call from a user who is unable to receive email. After troubleshooting the administrator is able to resolve the issue and verify that user is able to access email again.  Which of the following is the NEXT step that the administrator should take？（）

  • A、 Implement preventative measures.
  • B、 Close the issue.
  • C、 Document the outcome.
  • D、 Question other users to make sure they are not having the same issue.

正确答案:C

第5题：

A user reports that they are unable to reach a particular website. The user had no issues reaching the site earlier in the day. Which of the following is the MOST likely cause of the lack of access？（）

  • A、The VLAN is misconfigured
  • B、The user has an improperly configured NIC
  • C、The DHCP server is down
  • D、The DNS server is down

正确答案:D

第6题：

Router A is unable to reach Router B.Both routers are running ios version 12.0.After reviewing the command output and graphic,what is the most likely cause of the problem?()

A.incorrect bandwidth configuration

B.incorrect LMI configuration

C.incorrect map statement

D.incorrect IP address


参考答案：C

第7题：

A user is unable to determine the default system text editor. How can the local administrator assist the user by identifying the default text editor for the system？（）

  • A、Login as the user and run ’echo $ENV’.
  • B、Login as root and run the ’env’ command.
  • C、Login as root and ’cat /etc/environment’.
  • D、Login as the user and run the ’env’ command.

正确答案:B

第8题：

A user is unable to reach the Internet. The technician asks the user to do an IPCONFIG /all. The userreports that their IP address is 172.16.1.18, subnet mask is 255.255.255.0, and their default gateway is 172.16.1.18. Which of the following is the cause of the problem?（）

A. Default gateway

B. Network cable

C. Subnet mask

D. CNAME record


参考答案：A

第9题：

A user selects their proper domain and is unable to log into their Windows computer.The error states：‘System cannot log you on to the domain because the system’s computer account in its primary domain is missing or the password on that account is incorrect’.Which of the following is the MOST likely cause for this error？（）

  • A、The computer’s account was removed from Active Directory.
  • B、The user’s account was removed from Active Directory.
  • C、The computer was disjoined from the domain.
  • D、The user typed in the wrong password.

正确答案:A

第10题：

A user reports that they are unable to open any audio files. Yesterday, the user uninstalled third party music software. Which of the following is the MOST likely cause of the user’s error?（）

  • A、The file associations were not returned after the software was uninstalled.
  • B、The user is not opening the files correctly.
  • C、The uninstalled software has corrupted all the audio files on the computer.
  • D、The sound card is not properly configured.

正确答案:A

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