单选题Which retrieves all cookies sent in a given HttpSErvletRequest request？（）Arequest.getCookies（）Brequest.getAttributes（）Crequest.getSession （）.getCookies（）Drequest.getSession （）. GetAttributes（）

第1题：

第2题：

Which statement describes the rule of split horizon?（）

• A、Only routers can split boundaries (horizons) between concentric networks.
• B、All distance vector protocols require fall back routers that may cause momentary loops as the topology changes.
• C、Networks can only remain fully converged if all information about routers is sent out all active interfaces.
• D、Information about a route should not be sent back in the direction from which the original update come.
• E、Each AS must keep routing tables converged to prevent dead routes from being advertised across the AS boundary.

第3题：

第4题：

As an experienced technician, you are responsible for Technical Support in your company. One of the trainees is asking you in what might happen if he issues the logging trap information command. Which of the following statement will answer his quest|on?（）

• A、Informational and debug messages are logged to the syslog server.
• B、All messages are sent to the logging host, where selections are made.
• C、An information trap is sent to the SNMP server.
• D、All messages from emergencies to informational are sent to the logging host.

第5题：

For a given Servlet Response response， which retrieves an object for writing binary data？ （）

• A、 response.get writer （）
• B、 response.get Output Stream （）
• C、 response.getOutput Writer（）
• D、 response.get Writer （）.get Output Stream （）
• E、 response.get Writer （Writer.OUTPUT_BINARY）

第6题：

第7题：

Overlay Transport Virtualization （OTV） uses the Authoritative Edge Device （AED） to perform which tasks？（）

• A、 The AED is responsible for sending all unicast traffic in a site， while either node in a site can transmit multicast and broadcast.
• B、 The AED is responsible for load balancing all traffic for all VLANs across the transport network.
• C、 The AED is responsible for handling all unicast， broadcast， and multicast traffic for a given VLAN within a site.
• D、 The AED is responsible for MAC address dispute contention for a given VLAN.

第8题：

第9题：

Given a web application in which the cookie userName is expected to contain the name of the user. Which EL expression evaluates to that user name？（）

• A、${userName}
• B、${cookie.userName}
• C、${cookie.user.name}
• D、${cookies.userName[0]}

第10题：

The following entry has been added to the syslog.conf file: *.emerg;mail,daemon.crit @ sysadmin  Which of the following will result from this entry?（）

• A、 All messages at the emerg priority level and below from all facilities and messages at the crit priority level and below from the mail and daemon facilities are sent to the TTY of the user sysadmin. 
• B、 All messages at the emerg priority level and above from all facilities, all messages at any priority level from the mail facility, and all messages at the crit priority level and above from the daemon facilities are sent to the remote host sysadmin. 
• C、 All messages at the emerg priority level and above from all facilities and messages at the crit priority level and above from the mail and daemon facilities are sent to the remote host sysadmin. 
• D、 All messages at the emerg priority level and above from all facilities except for the mail facility and messages at the crit priority level and above from the daemon facility are sent to the TTY of the user sysadmin.