单选题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 t

题目
单选题
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

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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:

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

正确答案:D

第3题:

Your company has recently deployed a server that runs windows server 2008. The server has the ip information shown below.Ip address 192.168.46.186Subnet mask: 255.255.255.192Default gateway: 192.168.46.1Users on remote subnets report that they are unable to connect to the server.You need to ensure all users are able to connect to the server.What should you do?()

A.Change the IP address to192.168.46.129

B.Change the IPaddress to192.168.46.200

C.Change thes ubnet mask to a 24-bitmask

D.Change the subnet mask to a 27-bitmask.


参考答案:C

第4题:

An administrator has just installed a web server for the company's Internet site. After bringing the system online, customers notify the administrator that they cannot connect to the server. The administrator tests the web server from a workstation and can access the website. The customers continue to report issues. Which of the following is the MOST likely reason for this?()

  • A、The server's firewall is misconfigured.
  • B、The server's timeout feature is set incorrectly.
  • C、The web server was not installed properly.
  • D、The company firewall is misconfigured.

正确答案:D

第5题:

A user is unable to access the company website on a laptop. A network technician verifies that theuser can access other Internet pages. According to network troubleshooting methodology, which of the following steps should be taken NEXT?()

  • A、Remotely connect to the user's laptop and review the network configuration settings
  • B、Ping the web server from inside the network to ensure it is still up and running.
  • C、Check to make sure the company's website is accessible from the Internet.
  • D、Ensure the Ethernet cable is securely plugged into the user's laptop

正确答案:C

第6题:

A network administrator wants to ensure that only the server can connect to port Fa0/1 on a Catalyst switch. The server is plugged into the switch Fa0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of the server is allowed by switch port Fa0/1?()

A. Configure port Fa0/1 to accept connections only from the static IP address of the server.

B. Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.

C. Configure the MAC address of the server as a static entry associated with port Fa0/1.

D. Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.

E. Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.

F. Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1.


参考答案:C, E

第7题:

Your company has recently deployed a server that runs windows server 2008. The server has the ip information shown below.Ip address 192.168.46.186Subnet mask: 255.255.255.192Default gateway: 192.168.46.1Users on remote subnets report that they are unable to connect to the server.You need to ensure all users are able to connect to the server.What should you do?()

  • A、Change the IP address to192.168.46.129
  • B、Change the IPaddress to192.168.46.200
  • C、Change thes ubnet mask to a 24-bitmask
  • D、Change the subnet mask to a 27-bitmask.

正确答案:C

第8题:

The Ezonexam network administrator wants to ensure that only a single web server can connect to pot Fa0/1 on a catalyst switch. The server is plugged into the switch's Fast Eth. 0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of this server is allowed by switch port Fa0/1? (Choose two)

A.Configure port Fa0/1 to accept connections only from the static IP address of the server

B.Configure the MAC address of the server as a static entry associated with port Fa0/1

C.Employ a proprietary connector type on Fa0/1 that is incomputable with other host connectors

D.Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server

E.Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address


正确答案:BD
解析:Explanation:
You can use port security to block input to an Ethernet, Fast Ethernet, or Gigabit Ethernet port when the MAC address of the station attempting to access the port is different from any of the MAC addresses specified for that port.

When a secure port receives a packet, the source MAC address of the packet is compared to the list of secure source addresses that were manually configured or autoconfigured (learned) on the port. If a MAC address of a device attached to the port differs from the list of secure addresses, the port either shuts down permanently (default mode), shuts down for the time you have specified, or drops incoming packets from the insecure host.

The port's behavior. depends on how you configure it to respond to a security violation. When a security violation occurs, the Link LED for that port turns orange, and a link-down trap is sent to the Simple Network Management Protocol (SNMP) manager. An SNMP trap is not sent if you configure the port for restrictive violation mode. A trap is sent only if you configure the port to shut down during a security violation.

第9题:

You are the administrator of a Windows 2000 network. You install Windows 2000 Professional on a new computer and configure the TCP/IP settings to have a static IP address. While testing network connectivity from the new computer, you discover an error in the DNS server address that is configured in the TCP/IP settings. You configure the correct DNS server address, which is 10.1.1.5. However, you are still unable to successfully connect to network resources by name. You run the IPconfig/all command. The results indicate that the DNS server address is now configured as 0.0.0.0 You need to ensure that the computer can connect to network resources by name. What should you do?()

  • A、Stop and restart the DNS Client service.
  • B、Add 10.1.1.5 to the DNS server list on the TCP/IP Advanced Properties tab.
  • C、Add an A (host) record for the computer to the DNS server’s zone file.
  • D、Configure your DHCP server to have a DNS server address of 10.1.1.5.

正确答案:A

第10题:

An administrator has set up a company’s intranet server.Users should be able to access it but nousers are able to.The administrator verifies that the website is accessible by IP address.Which of the following should the administrator look at FIRST to resolve the issue?()

  • A、WINS server
  • B、DNS server
  • C、Lmhosts file
  • D、DHCP cache

正确答案:B

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