| Question |
Answer |
| At what layers do gateways function at? | the Transport layer and above |
| What layer provides network access for applications? | the Application layer |
| What layer provides flow control? | the Application layer |
| What layer establishes the availability of other computers on the network? | the Application layer |
| What layer determines if sufficient resources exist for communication to occur between two computers? | the Application layer |
| What layer does SMTP function at? | the Application layer |
| What layer does FTP function at? | the Application layer |
| What layer does SNMP function at? | the Application layer |
| What layer does Telnet function at? | the Application layer |
| what layer does Appletalk function at? | the Application layer |
| What layer performs protocol conversion? | the Presentation layer |
| What layer performs encryption? | the Presentation layer |
| What layer performs compression? | the Presentation layer |
| What layer synchronizes computers involved in a communication? | the Session layer |
| What layer handles connection establishment | data transfer |
| What layer does NetBIOS function at? | the Session layer |
| What layer repackages messages into smaller formats? | the Transport layer |
| What layer provides error-free delivery and error handling functions? | the Transport layer |
| What layers does NetBEUI function at? | the Transport and Network layers |
| What layer does TCP function at? | the Transport layer |
| What layer does SPX function at? | the Transport layer |
| What layers does NWLink function at? | the Transport and Network layers |
| What layer handles logical addressing? | the Network layer |
| What layer handles routing? | the Network layer |
| What layer handles traffic management? | the Network layer |
| What layer does IP function at? | the Network layer |
| What layer does IPX function at? | the Network layer |
| What devices function at the Network layer? | rounters and brouters |
| What layer packages raw bits into frames? | the Data Link layer |
| What is the purpose of packaging raw bits into frames? | they are transmittable across a network |
| What layer includes a Cyclical Redundancy Check (CRC)? | the Data Link layer |
| What are the two sublayers of the Data Link layer? | the Logical Link Control (LLC) and the MAC sublayers |
| What does the LLC sublayer use to create links for the MAC sublayer? | Destination Service Access Points and Source Service Access Points |
| What devices function at the Data Link layer? | switches |
| What devices function at the Physical layer? | multiplexers and repeaters |
| How many bits are in a MAC address? | 48 bits |
| What protocol is used to map MAC addresses to IP addresses? | ARP |
CADD 2 Honors
