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