L2TP VPN,and L2TP tunnels and sessions on the statement is correct:(Choose two)

A. Between the same pair of LAC and LNS can create multiple L2TP tunnel,the tunnel consists of a control connection and at least one session (Session) composition

B. Tunnel multiplexed on the session connection for the session,said carrying PPP tunnel connecting each

C. After the session connection must be established successfully in the tunnel

D. L2TP tunnel control message transmission, data message transmission in the session

In L2TP scenario, private address allocation is done by the user which of the following components?

A. LAC

B. LNS

C. VPN Client

D. User-configurable

VLAN port typesinclude:(Choose three)

A. Access Port

B. Trunk ports

C. Hybrid port

D. Ethernet port

Which of the following symmetric encryption algorithms in the same scene,encryption and decryption is the fastest?

A. DES

B. 3DES

C. RSA (1024)

D. MD5

GRE VPN technology is mainly used in which of the following scenarios?(Choose two)

A. The discontinuous subnets connected

B. The non- IP protocol networks connected via an IP network

C. Confidentiality will be required to transfer data network connected via GRE VPN

D. Applied to the need to provide flow control characteristics of the network and Qos

Which of the following addresses can be used to manage the SVN web address?(Choose three)

A. Interface address

B. Sub- interface address

C. Sub- IP address of the interface

D. loopback address

Firewall own security zonecannotbe deleted,but you can modify the security level

A. True

B. False

Asymmetric encryption algorithm encryption key and decryption key are not the same.

A. True

B. False

Source address, destination address, protocol type, IP bearer senior ACL2000 ~ 2999 can use the packet (such as TCP source port,destination port,ICMP protocol type,message code,etc.)defined rules.

A. True

B. False

Packet forwarding based routing table information,which of the following information will then be routed to match forwards?

A. Mask length of the longest route entry

B. Cost routing

C. Route priority

D. Routing Protocol