Users have reported that they cannot access certain Internet

第1题：

第2题：

You have an Exchange Server 2010 organization.You acquire a new Internet domain name.Users report that they cannot receive e-mail sent to the new domain name.You verify that all users have the new domain name configured as an e-mail address suffix.You need to ensure that users can receive e-mail sent from the Internet to the new domain name. What should you create？（）

• A、an Authoritative Accepted Domain
• B、an External Relay Accepted Domain
• C、a new Receive connector
• D、a remote domain

第3题：

第4题：

A group of users report that they can access local resources but cannot access the Internet. Which of the following should the administrator use to test connectivity？（）

• A、 tracert
• B、 msconfig
• C、 route
• D、 net use

第5题：

You replaced your Layer 3 switch， which is the default gateway of the end users. Many users cannot access anything now， including email， Internet， and other applications， although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem， which one of these actions should you take？（）

• A、Clear the MAC address table in the switch.
• B、Clear the ARP cache in the switch.
• C、Clear the ARP cache in the end devices.
• D、Clear the ARP cache in the application servers.

第6题：

第7题：

What is the goal of the borderless network architecture?（）

• A、to provide users with A single device that permits access to information anywhere
• B、to provide users with the same productivity and access to information no matter where are or which device they use
• C、to eliminate the need for border security and firewalls
• D、to provide companies with A way to extend their security and control over employees on the internet

第8题：

第9题：

What are the two results of this configuration? （）

• A、The default route should have a next hop address of 64.100.0.3.
• B、Hosts on the LAN that is connected to FastEthernet 0/1 are using public IP addressing.
• C、The address of the subnet segment with the WWW server will support seven more servers.
• D、The addressing scheme allows users on the Internet to access the WWW server.
• E、Hosts on the LAN that is connected to FastEthernet 0/1 will not be able to access the Internet without address translation.

第10题：

Several remote sales employees， who have come into the office this week， report that they are unable to get on the Internet， but no other users have reported similar issues.  The help desk hasescalated the issue and the case notes state that the users have IP addresses that begin with 169. Which of the following should the system administrator check FIRST？（）

• A、DHCP server
• B、Network switches
• C、DNS server
• D、Core router