在以下有关DVD的描述中，错误的是A．DVD的英文全名是Digital Versatile Disk，即数字多用途光盘B．DV

A.aaa new-model

B.aaa telnet login

C.telnet authentication login

D.authentication telnet login

hentication-order authentication-order [ radius tacplus ];The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers are not accessible？（）

A.The user lab will not be able to login.

B.The user lab will be authenticated against the local database and will be able to login.

C.The user lab will receive an error message indicating the router is unable to authenticate due to the authentication servers not responding.

D.The user will be able to login only if tries to login as the root user.

u configure RAS1 to use the Routing and Remote Access Services (RRAS). The company¯s remote access policy allows members of the Domain Users group to dial in to RAS1. The company issues smart cards to all employees. You need to ensure that smart card users are able to connect to RAS1 by using a dial-up connection.What should you do？（）

A. Install the Network Policy Server (NPS) server role on RAS1.

B. Create a remote access policy that requires users to authenticate by using SPAP.

C. Create a remote access policy that requires users to authenticate by using EAP-TLS.

D. Create a remote access policy that requires users to authenticate by using MS-CHAP v2.

u configure RAS1 to use the Routing and Remote Access Services (RRAS).The companys remote access policy allows members of the Domain Users group to dial in to RAS1. The company issues smart cards to all employees.You need to ensure that smart card users are able to connect to RAS1 by using a dial-up connection.What should you do？（）

A. Install the Network Policy Server (NPS) server role on RAS1.

B. Create a remote access policy that requires users to authenticate by using SPAP.

C. Create a remote access policy that requires users to authenticate by using EAP-TLS.

D. Create a remote access policy that requires users to authenticate by using MS-CHAP v2.

onfigure RAS1 to use the routing and remote access service (RRAS). The companys remote access policy allows members of the domain users group to dial in to RAS1. The company issues smart cards to all employees. You need to ensure that smart card users are able to connect to RAS1 by using a dial-up connection. What should you do？（）

A.Install the network policy server (NPS) on the RAS1 server.

B.Create a remote access policy that requires users to authenticate by using SPAP.

C.Create a remote access policy that requires uses to authenticate by using EAP-TLS.

D.Create a remote access policy that requires uses to authenticate by using MS-CHAPv2.

us (in that order), but does not include the password parameter. You attempt to log in to the device, but the network containing the authentication servers is currently down.Which statement is true about your login attempt？（）

A. The login attempt is rejected.

B. The login attempt is automatically accepted after the authentication servers’ timeout value is reached, since there are no other authentication methods available.

C. The M120 automatically tries authenticating locally on the device after the authentication servers’ timeout value is reached.

D. The M120 automatically tries authenticating locally on the device before using external authentication.

A．PPP

B．AAA

C．LCP

D．NCP

@host show system authentication-order authentication-order [radius tacplus password];The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers respond with a reject for user lab？（）

A.The user lab will not be able to login.

B.The user lab will be authenticated against the local database and will be able to login.

C.The user will be able to login only if tries to login as the root user.

D.The user lab will receive an error message indicating the username and password provided could not be found on the radius and tacacs servers.

A．local

B．none

C．radius

D．以上都不对

lic: Circle(); Circle(double r){ radius=r; } void display(){ cout<<radius<<endl; } }; int main() { 创建一个radius="5的对象，名字为c1。" c1.display();>