An application receives an error message when initializing a

第1题：

Which of the following statements about authentication responses and conditions is true? （）(Choosetwo.)

• A、When a router receives a failure response, it stops querying authentication methods.
• B、When a router receives an error response, it stops querying authentication methods.
• C、If the router receives a failure response from an authentication method, it queries the next method.
• D、The router does not differentiate between failure and error responses; the authentication process is always interrupted.
• E、If it receives no response from the authentication method, a router will determine the error condition On its own; the router also has the option to proceed to the next method in a list if configured accordingly.

第2题：

An application receives an error message when initializing a connection to a Windows Azure Queue.   You need to recommend an approach for resolving the problem.  What should you recommend？（）

• A、 Ensure that the queue is not full.
• B、 Ensure that the queue has messages in it.
• C、 Ensure that the queue name does not containillegal characters.
• D、 Ensure that multiple processes are not talking to the same queue.

第3题：

第4题：

How does a switch respond when it receives a message?（）

• A、It reads the Layer-5 information and sends the message directly to the intended computer.
• B、It reads the Media Access Control (MAC) address and broadcasts the message to all the computers that are connected to the switch.
• C、It reads the Media Access Control (MAC) address and sends the message directly to the intended computer.
• D、It reads the Layer-5 information and broadcasts the message to all the computers that are connected to the switch.

第5题：

You are designing a Windows Azure application.  The application includes a web role and a worker role that communicate by using a Windows Azure Queue.  The worker role processes each message within 10 seconds of retrieving it from the queue. The worker role must process each message exactly one time.  If a process does not complete， the worker role must reprocess the message.  You need to recommend an approach for the worker role to manage messages in the queue.  What should you recommend？（）

• A、 Process the message and then delete it from the queue.
• B、 Delete the message from the queue when retrieving the message.
• C、 Set the visibility timeout of the message to 1 when retrieving the message.
• D、 Process the message and then set the visibility timeout of themessage to the maximum value.

第6题：

When upgrading the IOS image, the network administrator receives the exhibited error message. What could be the cause of this error?（）

• A、The new IOS image is too large for the router flash memory.
• B、The TFTP server is unreachable from the router.
• C、The new IOS image is not correct for this router platform.
• D、The IOS image on the TFTP server is corrupt.
• E、There is not enough disk space on the TFTP server for the IOS image.

第7题：

A technician receives a boot error message OS not found. Which of the following should thetechnician check? （）

• A、The boot order in the BIOS
• B、If Plug and Play is enabled
• C、If the computer is in Safe Mode
• D、If the BIOS is current

第8题：

第9题：

A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）

• A、It performs a label pop operation and an IP lookup.
• B、It performs a label swap operation and an IP lookup.
• C、It sends an error message toward the egress router.
• D、It sends an error message toward the ingress router.

第10题：

An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which protocol is responsible for that message?（）

• A、RARP
• B、RUDP
• C、ICMP
• D、SNMP