单项选择题

How does using the service password encryption command ……

How does using the service password encryption command on a router provide additional security?（）

A.by encrypting all passwords passing through the router
B.by encrypting passwords in the plain text configuration file
C.by requiring entry of encrypted passwords for access to the device
D.by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges
E.by automatically suggesting encrypted passwords for use in configuring the router

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单项选择题Refer to the exhibit. The company uses EIGRP as the routing protocol. What path will packets take from a host on 192.168.10.192 26 network to a host on the LAN attached to router R1?（）

A.The path of the packets will be R3 to R2 to R1.
B.The path of the packets will be R3 to R1 to R2.
C.The path of the packets will be both R3 to R2 to R1 and R3 to R1.
D.The path of the packets will be R3 to R1

单项选择题Two routers named Atlanta and Brevard are connected via their serial interfaces as illustrated, but they are unable to communicate. The Atlanta router is known to have the correct configuration.Given the partial configurations, identify the fault on the Brevard router that is causing the lack of connectivity？（）

A.incompatible IP address
B.insufficient bandwidth
C.incorrect subnet mask
D.incompatible encapsulation
E.link reliability too low
F.IP/TCP closed

单项选择题What is the purpose of the inverse ARP?（）

A.to map a known DLCI to an IP address
B.to map a known IP address to a MAC address
C.to map known SPID to a MACaddress
D.to map a known DLCI to a MAC address
E.to map a known IP address to a SPID
F.to map a known MAC address to an IP address

单项选择题Which command can be used to verify the DLCI destination address in a Frame Relay static configuration?（）

A.show frame-relay end-to-end
B.show frame-relay map
C.show frame-relay lmi
D.show frame-relay pvc

多项选择题What are two characteristics of Frame Relay point-to-point subinterfaces?（）

A.They create split-horizon issues
B.They require a unique subnet within a routing domain
C.They emulate leased lines
D.They are ideal for full-mesh topologies
E.They require the use of NBMA options when using OSPF