Which are three reasons that an organization with multiple branch offices and roaming users might implement a Cisco VPN solution instead of point-to-point WAN links？（）

单项选择题Refer to the exhibit. What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown?（）

A.The Serial0/0 interface is passing traffic.
B.The DLCI 100 was dynamically allocated by the router
C.The Serial0/0 interface acquired the IP address of 172.16.3.1 from a DHCP server
D.The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloud
E.The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned through Inverse ARP

单项选择题Router A is unable to reach Router B.Both routers are running ios version 12.0.After reviewing the command output and graphic,what is the most likely cause of the problem?（）

A.incorrect bandwidth configuration
B.incorrect LMI configuration
C.incorrect map statement
D.incorrect IP address

单项选择题Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?（）

A.IETF
B.HDLC
C.Q9333-A Annex A
D.ANSI Annex D

单项选择题Which layer 2 protocol encapsulation type supports synchronous and asynchronous circuis and has built-in security mechanisms?（）

A.Frame Relay
B.HDLC
C.x.25
D.PPP

多项选择题Which two options are valid WAN connectivity methods?（）

A.PPP
B.WAP
C.DSL
D.Ethernet
E.L2TPv3