单选题By default， what type of SSH server key is generated by Cisco NX-OS Software？（）ADSA key generated with 512 bitsBRSA key generated with 768 bitsCRSA key generated with 1024 bitsDDSA key generated with 1024 bitsERSA key generated with 2048 bits

第1题：

You are a network technician at Certpaper.com. Which description is correct when you have generated RSA keys on your Cisco router to prepare for secure device management？（）

• A、You must then specify the general-purpose key size used for authentication with the crypto key generaters a general-keys modulus command.
• B、You must then zeroize the keys to reset secure shell before configuring other parameters.
• C、All vty ports are automatically enabled for SSH to provide secure management.
• D、The SSH protocol is automatically enabled.

第2题：

When a client using the SERVER_ENCRYPT authentication type connects to a server using the SERVER authentication type, what happens?（）

• A、An error will occur.
• B、Data passed between the client and the server is encrypted.
• C、User IDs and passwords are passed to the server unencrypted.
• D、User IDs and passwords are encrypted before they are passed to the server.

第3题：

By default， what type of SSH server key is generated by Cisco NX-OS Software？（）

• A、 DSA key generated with 512 bits
• B、 RSA key generated with 768 bits
• C、 RSA key generated with 1024 bits
• D、 DSA key generated with 1024 bits
• E、 RSA key generated with 2048 bits

第4题：

When a Cisco router is configured for SSH, it acts as an （）?

• A、SSH client
• B、SSH proxy
• C、SSH server
• D、SSH and SSL server

第5题：

You have a Windows Server 2008 R2 computer that has an IP address of 172.16.45.9/21.The server is configured to use IPv6 addressing.You need to test IPv6 communication to a server that has an IP address of 172.16.40.18/21. What should you do from a command prompt？（）

• A、Type ping 172.16.45.9:::::.
• B、Type ping ::9.45.16.172.
• C、Type ping followed by the Link-local address of the server.
• D、Type ping followed by the Site-local address of the server.

第6题：

What is the minimum key size to enable SSH v2？（）

• A、512 bits
• B、768 bits
• C、1024 bits
• D、2048 bits

第7题：

switch （i）  {  default：  System.out.printIn（“Hello”）；  }  What is the acceptable type for the variable i？（）  

• A、 Byte
• B、 Long
• C、 Float
• D、 Double
• E、 Object
• F、 A and B
• G、 C and D

第8题：

If the default VDC is configured to limit resources to a specific module type， what happens when a module that does not match the resource type is installed？（）     

• A、 The module is powered up， and interfaces are in an "admin down" state.
• B、 The module is denied power， and a syslog message is generated.
• C、 The module is powered up， and interfaces are allocated to VDC0.
• D、 The module is powered up， and interfaces are allocated to VDC100.

第9题：

Which two of these elements need to be configured prior to enabling SSH？（）

• A、hostname
• B、loopback address
• C、default gateway
• D、domain name
• E、SSH peer address

第10题：

You are trying to initiate an SSH connection to a remote router and are getting rejected with an error code of 0. Which of these might be the cause of the error?（）

• A、The routers are using different SSH versions.
• B、You are trying to log in using invalid credentials.
• C、The RSA key pair is not properly configured on the SSH client.
• D、The RSA key pair is not properly configured on the SSH server.