单选题After updating serverB’s network configurations， an administrator notices that serverA， which resides in a different subnet， is unable to communicate with serverB via ssh or telnet. As ping’s to the server fail， the administrator logs onto serverB via 

第1题：

A computer is able to ping other devices on the same network but is unable to ping devices onanother network. Which of the following needs to be configured?（）

• A、DNS primary server
• B、Host route
• C、Proxy ARP
• D、Default gateway

第2题：

An administrator is in charge of a server that houses various applications. Which of the following BEST explains this server type？（）

• A、Dedicated Application Server
• B、File Server
• C、Shared Application Server
• D、Peer-to-Peer Application Server

第3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

第4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

第5题：

Which of the following should an administrator utilize to deploy service packs to new servers？（）

• A、A RAS server
• B、A RIS server
• C、Patch management system
• D、PXE boot environment

第6题：

A staging server is critical for an administrator to test updates without introducing risk into a production environment.  Which of the following steps should an administrator take to test on a staging server？（）

• A、Create and Configure a WebSphere Commerce Instance on the staging server
• B、Run the Stage Copy Utility to copy production server data into the staging server.
• C、Run the Stage Propagate Utility to propagate the staging server with production server data 
• D、Create and configure a Staging database

第7题：

A non-root user can run rsh commands from serverA to serverB， but attempts to run rsh  commands by the root user return with a permission error message. What action will resolve the problem？（）

• A、Add root user to the /etc/hosts.equiv on serverB .
• B、Create $HOME/.rhosts file for the root user on serverB .
• C、Restart the rshd daemon with root enabled option on serverB .
• D、Add entry to allow root user from serverA to the /etc/hosts.allow on serverB .

第8题：

An AIX server has 2 network interfaces and the system administrator wants to enable the users on the locally configured network interface to be able to connect to systems configured on the global network interface.  How is it accomplished？（）

• A、Enable routed on the server
• B、Enable gated on the server
• C、Enable ipforwarding on the server
• D、Set network options back to default

第9题：

第10题：

第11题：

第12题：

第13题：

An administrator learns that users are unable to login to a server via ssh. After making a telnet connection to the server, how can the administrator check the status of the sshd subsystem?（）

• A、lssys -a com
• B、lssys -a sshd
• C、lssrc -s sshd
• D、lssrc -s tcpip

第14题：

When configuring a DHCP server， which of the following can the administrator define for DHCPusers？（）

• A、 Database server
• B、 NTP server
• C、 DHCP server
• D、 SQL server
• E、 DNS server
• F、 Domain name

第15题：

Which of the following is the BEST way to make sure the network printer is automatically installed when the user logs on？（）

• A、Log onto the user’s computer as a local administrator and install the printer.
• B、Make sure the user has permission to print to the printer.
• C、Create and implement a logon script.
• D、After the user has logged on， install the printer.

第16题：

An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check?（）

• A、Default gateway
• B、The ports on the switch
• C、Port security on the server's switch port
• D、Ethernet cable

第17题：

A system administrator needs to specify a set of FQDN to IP address mappings for a legacyserver； the administrator does not want the legacy server to be referenced by other servers. Which of the following should the administrator use to set this？（）

• A、DHCP server
• B、DNS server
• C、Host file
• D、Route statements

第18题：

After updating serverB’s network configurations， an administrator notices that serverA， which resides in a different subnet， is unable to communicate with serverB via ssh or telnet. As ping’s to the server fail， the administrator logs onto serverB via a console and finds an available interface en0 in the ’up’ state. From the console connection， en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem？（）

• A、en0 has no associated ip address.
• B、serverB is missing its default route.
• C、serverB and serverA cannot connect due to a firewall.
• D、en0 has been set up to block traffic from servers that are in different subnets.

第19题：

An administrator has set up serverA and serverB to use the /etc/hosts.equiv file so that applications on serverA can remotely run commands on serverB. Which command will verify if a new user from serverA is trusted on serverB?（）

• A、As the root user from serverA run the command rhost serverB
• B、As the root user from serverA run the command rlogin serverB
• C、As the desired user from serverB run the command rhost serverA
• D、As the desired user from serverA run the command rlogin serverB

第20题：

In a typical production environment， which server（s） hosts the application ？（）

• A、 Node Server
• B、 Administration Server
• C、 Managed Server
• D、 Configuration Server

第21题：

第22题：

第23题：