Cisco CCIE Service Provider Cable Recertification Set 4

client named policyclient class named policyclient class embedded policy ✘ client embedded policyclient class named policyscope embedded policy ✘ client class named policyclient embedded policyscope embedded policy ✘ client class named policyclient class embedded policyscope embedded policy ✔

N ✘ X ✘ R ✘ S ✔ RQNT ✔

DHCP request was sent and acknowledged ✘ Client has received an ip address ✘ Cable modem has completed the DHCP process ✘ PCs cannot surf the Internet ✔ Cable modems cannot ping the gateway ✔

The scope for modems should be legal routable ip addresses. ✘ The scope for CPEs are usually legal routable ip addresses. ✘ Scopes should be set up to accurately reflect the subnets defined on the CMTS. ✘ Client class provisioning should be utilized to handle multiple CMTS requests. ✔ One large scope for all modem/CPE requests is best. ✔

U0 & U2, U1 & U5, U3 & U4 U0 & U1, U2 & U3, U4 & U5 U0 & U5, U1 & U2, U3 & U4 U0 & U4, U1 & U3, U1 & U5 U0 & U5, U1 & U3, U2 & U4

no cable arp ✘ no cable proxy arp ✘ no cable relay-agent option ✘ arp timeout 0 ✔ cable upstream 0 admission-control ✔

Require modems to be provisioned from client-class-processing ✘ Allow DHCP requests to be processed to the correct MAC address ✘ Associate clients, client classes, and scopes. ✘ Act as an index point for provisioning from the system-default-policy ✔ Allow the relay agent to modify option 82 requests ✔

ip dhcp relay information option ✘ cable dhcp-giaddr policy ✘ cable relay-information-option ✘ cable relay-agent-option ✔ ip dhcp relay information policy ✔

RG-6 RG-7 RG-11 RG-59

The Frame Relay network, to inform the DTE receiving the frame that congestion was experienced in the
path from source to destination ✘ The Frame Relay network, in frames traveling in the opposite direction from those frames that encounteredcongestion ✘ The receiving DTE, to inform the Frame Relay network that it is overloaded and that the switch shouldthrottle back ✘ The sending DTE, to inform the Frame Relay network that it is overloaded and that the switch should throttleback ✔ Any device that uses an extended DLCI address ✔