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