QUESTION 1. _______ is the protocol suite for the current Internet 0.25 points
- ACM
- TCP/IP
- NCP
- UNIX
QUESTION 2. _______ refers to the structure or format of the data, meaning the order in which they are presented 0.25 points
- Semantics
- Syntax
- Timing
- None of the choices are correct
QUESTION 3. A proposed standard is elevated to ________ standard status after at least two successful tries 0.25 points
- informational
- historic
- draft
- None of the choices are correct
QUESTION 4. In a block, the mask is 255.255.192.0; what is the prefix length? 0.25 points
- /20
- /28
- /18
- None of the choices are correct
QUESTION 5. In the OSI model, which layer functions as a liaison between user support layers and network support layers? 0.25 points
- network layer
- physical layer
- transport layer
- session layer
QUESTION 6. The physical layer is concerned with the movement of _______ over the physical medium. 0.25 points
- programs
- datagrams
- packets
- bits
QUESTION 7. The ________ protocol is the transmission mechanism used by the TCP/IP suite. 0.25 points
- ARP
- IP
- RARP
- None of the choices are correct
QUESTION 8. _______ refers to two characteristics: when data should be sent and how fast it can be sent. 0.25 points
- Semantics
- Syntax
- Timing
- TimingNone of the choices are correct
QUESTION 9. When a host on network A sends a message to a host on network B, which address does the router look at? 0.25 points
- port
- logical
- physical
- None of the choices are correct
QUESTION 10. Repeaters function in the _______ layer. 0.25 points
- data link
- network
- physical
- transport
QUESTION 11. _______ has a higher transmission rate in the downstream direction than in the upstream direction. 0.25 points
- VDSL
- ADSL
- SDSL
- None of the choices are correct
QUESTION 12. In a connection-oriented service, each packet is forwarded based on the ________. 0.25 points
- source address
- destination address
- label
- None of the choices are correct
QUESTION 13. In a connectionless service, each packet is forwarded based on the ________. 0.25 points
- source address
- destination address
- label
- None of the choices are correct
QUESTION 14. PPP is a _______ layer protocol. 0.25 Points
- physical
- data link
- physical and data link
- None of the choices are correct
QUESTION 15. In classless addressing, the ______ is another name for the common part of the address range. 0.25 points
- suffix
- prefix
- netid
- None of the choices are correct
QUESTION 16. In class A, the netid is between ______________. 0.25 points
- 0-127
- 128-191
- 192-223
- None of the choices are correct
QUESTION 17. The default mask for class A is ______________. 0.25 points
- 255.0.0
- 0.0.0.
- 255.255.0
- None of the choices are correct
QUESTION 18. In classless addressing, __________ is assigned to an organization 0.25 points
- a variable-length block
- a fixed-length
- a fixed number of blocks
- None of the choices are correct
QUESTION 19. In _______ delivery, the deliverer of the IP packet and the destination are on different networks. 0.25 points
- connection=orientated
- a direct
- an indirect
- None of the choices are correct
QUESTION 20. What is the first address of a block of classless addresses if one of the addresses is 12.2.2.127/28? 0.25 points
- 2.2.0
- 2.2.96
- 2.2.112
- None of the choices are correct