- 1. The value of the 'acknowledgment' number field is equal to the client initial sequence number plus ?
A) 3 B) 0 C) 2 D) 1
- 2. ACK, SYN, and FIN (Ch. 4.2.4) are examples of 'control ?'
A) sessions B) flags C) signals D) stops
- 3. Which control flag in the segment header must be set to close a connection?
A) TCP B) SYN C) FIN D) ACK
- 4. In 'expectational acknowledgment,' the source is told to send the next byte in its
A) data base B) hard disk C) data bank D) session
- 5. The amount of data that a source can transmit before an acknowledgment must be received is called the:
A) window registry B) window manager C) window TCP header D) window size
- 6. Flow Control assists the reliability of TCP transmission by adjusting the effective rate of data flow between the two services in the:
A) data base B) hard disk C) data bank D) session
- 7. The initial window size is determined during the session startup via what type of 'handshake'?
A) 3 node B) 3 way C) 3 pathways D) 3 tiered
- 8. In 'dynamic window sizing' (chapter 4.3.4), the control of data flow is implemented in order to minimize what?
A) segment loss B) multi-tasking C) segmentation D) multiplexing
- 9. DNS, SNMP, DHCP, RIP, TFTP, and On-line games are protocols that use (ch. 4.4.1)?
A) DNS B) Telnet C) TCP D) UDP
- 10. Whereas TCP is 'connection-oriented,' UDP is said to be (ch. 4.4.2) ?
A) transaction-minded B) transaction-focused C) transaction-centered D) transaction-based
- 11. Like TCP, UDP-based server applications must be assigned Well Known or Registered Port ?
A) sockets B) numbers C) services D) IP addresses
- 12. What does the D in UDP stand for?
A) datagram B) database C) datafull D) datacenter
- 13. Port Numbers are included in TCP headers of a segment to enable the receiving host to forward the data to the appropriate ?
A) end device B) data base C) application D) fiber node
- 14. Which OSI model layer is responsible for regulating the flow of information from source to destination, reliably, and accurately?
A) transport B) application C) presentation D) session
- 15. Flow Control is used in TCP data transfer to prevent the receiver from being ?
A) overwhelmed B) supersized C) augmented D) automated
- 16. Layer 4 addressing identifies the communicating applications and the multiple conversations between the ?
A) devices B) hosts C) networks D) media
- 17. When forwarding data, the source host dynamically selects a:
A) gateway address B) routing address C) source port D) logical address
- 18. UDP is both connectionless and has a low ?
A) overhead B) margin of error C) transmission rate D) flow of control
- 19. What mechanism is used by TCP to provide flow control as segments travel from source to destination?
A) sequence numbering B) session establisment C) acknowledgments D) window sizing
- 20. UDP may sometimes be preferred over TCP due to its minimal delays in data ?
A) delivery B) reassembling C) deposits D) drops
|