多项选择题

Which two statements are true about broadband cable （HFC） systems？（）

A.Cable modems only operate at Layer 1 of the OSI model.
B.Cable modems operate at Layers 1 and 2 of the OSI model.
C.Cable modems operate at Layers 1， 2， and 3 of the OSI model.
D.A function of the cable modem termination system （CMTS） is to convert the modulated signal from the cable modem into a digital signal.
E.A function of the cable modem termination system is to convert the digital data stream from the end user host into a modulated RF signal for transmission onto the cable system.

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热门试题

多项选择题WhichtwomechanismscanbeusedtodetectIPsecGREtunnelfailures？（）

A.Dead Peer Detection （DPD）
B.CDP
C.isakmp keepalives
D.GRE keepalive mechanism
E.The hello mechanism of the routing protocol across the IPsec tunnel

单项选择题Refer to the exhibit. Which statement is true about the partial MPLS configuration that is shown？（）

A.The route-target both 100：2 command sets import and export route-targets for vrf2.
B.The route-target both 100：2 command changes a VPNv4 route to a IPv4 route.
C.The route-target import 100：1 command sets import route-targets routes specified by the route map.
D.The route-target import 100：1 command sets import route-targets for vrf2 that override the other route-target configuration.

单项选择题Refer to the exhibit. Which statement is true about the configuration of split tunnels using SDM？（）

A.Any protected subnets that are entered represent subnets at the end user’s site that will be accessed without going through the encrypted tunnel.
B.Any protected subnets that are entered represent subnets at the end user’s site that will be accessed through the encrypted tunnel.
C.Any protected subnets that are entered represent subnets at the VPN server site that will be accessed without going through the encrypted tunnel.
D.Any protected subnets that are entered represent subnets at the VPN server site that will be accessedthrough the encrypted tunnel.

多项选择题WhichtwostatementsabouttheCiscoAutoSecurefeaturearetrue？（）

A.All passwords entered during the AutoSecure configuration must be a minimum of 8 characters in length.
B.Cisco123 would be a valid password for both the enable password and the enable secret commands.
C.The auto secure command can be used to secure the router login as well as the NTP and SSH protocols.
D.For an interactive full session of AutoSecure， the auto secure login command should be used.
E.If the SSH server was configured， the 1024 bit RSA keys are generated after the auto secure commandis enabled.

单项选择题Refer to the exhibit. What does the 26 in the first two hop outputs indicate？（）

A.the outer label used to determine the next hop
B.the IPv4 label for the destination network
C.the IPv4 label for the forwarding router
D.the IPv4 label for the destination router