- 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) flags
B) stops
C) signals
D) sessions
- 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) session
B) data bank
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 TCP header
C) window registry
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) session
B) data bank
C) hard disk
D) data base
- 7. The initial window size is determined during the session startup via what type of 'handshake'?
A) 3 node
B) 3 way
C) 3 tiered
D) 3 pathways
- 8. In 'dynamic window sizing' (chapter 4.3.4), the control of data flow is implemented in order to minimize what?
A) multi-tasking
B) segment loss
C) multiplexing
D) segmentation
- 9. DNS, SNMP, DHCP, RIP, TFTP, and On-line games are protocols that use (ch. 4.4.1)?
A) Telnet
B) UDP
C) TCP
D) DNS
- 10. Whereas TCP is 'connection-oriented,' UDP is said to be (ch. 4.4.2) ?
A) transaction-focused
B) transaction-based
C) transaction-minded
D) transaction-centered
- 11. Like TCP, UDP-based server applications must be assigned Well Known or Registered Port ?
A) IP addresses
B) services
C) sockets
D) numbers
- 12. What does the D in UDP stand for?
A) datafull
B) datacenter
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) application
B) transport
C) session
D) presentation
- 15. Flow Control is used in TCP data transfer to prevent the receiver from being ?
A) overwhelmed
B) automated
C) supersized
D) augmented
- 16. Layer 4 addressing identifies the communicating applications and the multiple conversations between the ?
A) devices
B) hosts
C) media
D) networks
- 17. When forwarding data, the source host dynamically selects a:
A) logical address
B) gateway address
C) routing address
D) source port
- 18. UDP is both connectionless and has a low ?
A) overhead
B) margin of error
C) flow of control
D) transmission rate
- 19. What mechanism is used by TCP to provide flow control as segments travel from source to destination?
A) acknowledgments
B) sequence numbering
C) window sizing
D) session establisment
- 20. UDP may sometimes be preferred over TCP due to its minimal delays in data ?
A) reassembling
B) drops
C) deposits
D) delivery
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