CCNA Exam Cram[tm] 2 (Exams 640-821, 640-811, 640-801)

data communication equipment (DCE)   2nd  

data link connection identifier (DLCI)

       Frame Relay and  

Data Link Layer (OSI model)   2nd   3rd  

Data PDUs  

Data Service Unit and Channel Service Unit (DSU/CSU)

       ISDN and  

data terminal equipment (DCE)  

data terminal equipment (DTE)  

DCE (data communication equipment   2nd  

DCE (data terminal equipment  

DDR (dial-on-demand routing)

       ISDN and   2nd  

debug frame-relay command   2nd  

debug ppp chap command   2nd  

default masks (IP subnets)  

default values

       initial router configuration  

delay (network)

       routing protocols and  

demarcation  

designated bridge  

dial-on-demand routing (DDR)

       ISDN and   2nd  

discovery

       MAC addresses   2nd  

distance vector routing protocols   2nd   3rd  

       compared to link state  

       network discovery  

       problems/solutions   2nd   3rd  

       topology change handling  

DLCI (data link connection identifier)

       Frame Relay and  

DNS (Domain Name Service)

       TCP/IP and  

dotted decimal notation (IP addressing)   2nd  

drop cables  

DSU/CSU (Data Service Unit and Channel Service Unit)

       ISDN and  

DTE (data terminal equipment)  

dynamic routers   2nd  

dynamic routing protocols  

dynamic VLAN configuration   2nd