- 1. The value of the 'acknowledgment' number field is equal to the client initial sequence number plus ?
A) 1
B) 3
C) 2
D) 0
- 2. ACK, SYN, and FIN (Ch. 4.2.4) are examples of 'control ?'
A) signals
B) sessions
C) stops
D) flags
- 3. Which control flag in the segment header must be set to close a connection?
A) ACK
B) SYN
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 size
B) window TCP header
C) window registry
D) window manager
- 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) hard disk
C) data base
D) data bank
- 7. The initial window size is determined during the session startup via what type of 'handshake'?
A) 3 tiered
B) 3 way
C) 3 node
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) multiplexing
B) segment loss
C) segmentation
D) multi-tasking
- 9. DNS, SNMP, DHCP, RIP, TFTP, and On-line games are protocols that use (ch. 4.4.1)?
A) UDP
B) Telnet
C) DNS
D) TCP
- 10. Whereas TCP is 'connection-oriented,' UDP is said to be (ch. 4.4.2) ?
A) transaction-centered
B) transaction-focused
C) transaction-based
D) transaction-minded
- 11. Like TCP, UDP-based server applications must be assigned Well Known or Registered Port ?
A) numbers
B) services
C) IP addresses
D) sockets
- 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) presentation
B) application
C) session
D) transport
- 15. Flow Control is used in TCP data transfer to prevent the receiver from being ?
A) supersized
B) overwhelmed
C) augmented
D) automated
- 16. Layer 4 addressing identifies the communicating applications and the multiple conversations between the ?
A) devices
B) networks
C) media
D) hosts
- 17. When forwarding data, the source host dynamically selects a:
A) routing address
B) gateway address
C) source port
D) logical address
- 18. UDP is both connectionless and has a low ?
A) margin of error
B) transmission rate
C) overhead
D) flow of control
- 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) delivery
B) reassembling
C) drops
D) deposits
|