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A user connects to the companys intranet server via a VPN co

题目
单选题
A user connects to the companys intranet server via a VPN connection from a small office / home office （SOHO） using the broadband service. One day， the user cannot successfully connect to the VPN and receives an error message that states "Username and password are invalid on the domain." Which of the following should be done to correct this problem？（）
A

Call the corporate help desk to have the VPN server rebooted

B

Re-enter the username and password in the VPN connection and reconnect

C

Call the broadband Internet provider to replace the SOHO router with a newer model

D

Ping the corporate VPN server to ensure it is online

参考答案和解析
正确答案： D
解析： 暂无解析
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相似问题和答案

第1题：

A user is unable to connect to the company‘s intranet server by FQDN, but can connect by IP address. Other users are not having a problem. An administrator verifies that the user can successfully ping the server by IP address and can properly resolve the FQDN using nslookup. The problem is persisting after running ipconfig /flushdns.Which of the following should the administrator do NEXT?（）

A. Examine the Imhost file.

B. Flush the cache on the DNS server.

C. Flush the cache on the WINS server.

D. Examine the hosts file


参考答案：D

第2题：

What is not a difference between VPN tunnel authentication and per-user authentication?（）

  • A、VPN tunnel authentication is part of the IKE specification. 
  • B、VPN tunnel authentication does not control which end user can use the IPSec SA (VPN tunnel).
  • C、User authentication is used to control access for a specific user ID, and can be used with or without a VPN tunnel for network access authorization. 
  • D、802.1X with EAP-TLS (X.509 certificates) can be used to authenticate an IPSec tunnel.

正确答案:D

第3题：

Which three statements are true about memory buffer allocation by a MySQL Server?()

A.Global buffers such as the InnoDB buffer pool are allocated after the server starts, and are never freed

B.Thread buffers are allocated when a client connects, and are freed when the client disconnects

C.Buffers that are needed for certain operation are allocated when the operation starts, and freed when it ends

D.User buffers are allocated at server startup and freed when the user is dropped

E.All dynamic buffers that are set with a SET GLOBAL statement immediately get allocated globally, and are never freed


参考答案：A, B, C

第4题：

A user connects to the companys intranet server via a VPN connection from a small office / home office （SOHO） using the broadband service. One day， the user cannot successfully connect to the VPN and receives an error message that states "Username and password are invalid on the domain." Which of the following should be done to correct this problem？（）

  • A、Call the corporate help desk to have the VPN server rebooted
  • B、Re-enter the username and password in the VPN connection and reconnect
  • C、Call the broadband Internet provider to replace the SOHO router with a newer model
  • D、Ping the corporate VPN server to ensure it is online

正确答案:B

第5题：

Intranet-VPN


正确答案: 即企业的总部与分支机构间通过公网构筑的虚拟网。

第6题：

A virtual (71) network, or VPN, is an encrypted connection over the Internet from a device to a network. The encrypted connection helps ensure that sensitive data is safely (72). It prevents (73) people fromeavesdropping on the traffic and allows the user to conduct work remotely. Traffic on the virtual network is sent securely by establishing an encrypted connection across the Internet known as a (74).A remote access VPN securely connects a device outside the corporate office. A site-to-site VPN connects the corporate office to branch offices over the Internet. Site-to-site VPNs are used when distance makes it impractical to have direct network connections between these offices. Think of site-to-site access as (75) to network.

A.encoded
B.encrypted
C.stored
D.transmitted

答案：D
解析：

第7题：

When a client using the SERVER_ENCRYPT authentication type connects to a server using the SERVER authentication type, what happens?（）

  • A、An error will occur.
  • B、Data passed between the client and the server is encrypted.
  • C、User IDs and passwords are passed to the server unencrypted.
  • D、User IDs and passwords are encrypted before they are passed to the server.

正确答案:A

第8题：

在整个VPN通信中，主要有(12)和(13)两种VPN通信方式，而后者又包括“Intranet VPN(企业内联VPN)”和“Extranet VPN(企业外联VPN)”。


正确答案：(12)远程访问VPN (13)路由器到路由器VPN
(12)远程访问VPN (13)路由器到路由器VPN 解析：在整个VPN通信中，主要有两种VPN通信方式，适用于两类不同用户选择使用，满足各方面用户与企业VPN服务器进行通信的需求。这两利WPN通信方式就是俗称的“远程访问VPN”和“路由器到路由器VPN”，前者也称之为“Access VPN”(远程访问VPN)，后者又包括“Intranet VPN(企业内联VPN)”和“Extranet VPN(企业外联VPN)”。前者是采用Client-to-LAN(客户端到局域网)的模式，而后者所采用的是LAN-to-LAN(局域网到局域网)模式。前者适用于单机用户与企业VPN服务器之间的VPN通信连接，而后者适用于两个企业局域网VPN服务器之间的VPN通信连接。

第9题：

虚拟私有网（VPN）从应用范围的角度分为（）。

  • A、Access VPN
  • B、Intranet VPN
  • C、Extranet VPN
  • D、MPLS VPN

正确答案:A,B,C

第10题：

Which of the following storage technologies connects by TCP/IP and is separate from the companys LAN？ （）

  • A、 Tape library
  • B、 NAS
  • C、 Optical jukebox
  • D、 SAN

正确答案:D

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