- 1. The value of the 'acknowledgment' number field is equal to the client initial sequence number plus ?
A) 0
B) 3
C) 1
D) 2
- 2. ACK, SYN, and FIN (Ch. 4.2.4) are examples of 'control ?'
A) signals
B) flags
C) sessions
D) stops
- 3. Which control flag in the segment header must be set to close a connection?
A) ACK
B) TCP
C) FIN
D) SYN
- 4. In 'expectational acknowledgment,' the source is told to send the next byte in its
A) data base
B) session
C) data bank
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 manager
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) data base
B) session
C) data bank
D) hard disk
- 7. The initial window size is determined during the session startup via what type of 'handshake'?
A) 3 way
B) 3 node
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) segmentation
C) segment loss
D) multiplexing
- 9. DNS, SNMP, DHCP, RIP, TFTP, and On-line games are protocols that use (ch. 4.4.1)?
A) TCP
B) DNS
C) UDP
D) Telnet
- 10. Whereas TCP is 'connection-oriented,' UDP is said to be (ch. 4.4.2) ?
A) transaction-minded
B) transaction-based
C) transaction-centered
D) transaction-focused
- 11. Like TCP, UDP-based server applications must be assigned Well Known or Registered Port ?
A) services
B) IP addresses
C) sockets
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) fiber node
B) data base
C) application
D) end device
- 14. Which OSI model layer is responsible for regulating the flow of information from source to destination, reliably, and accurately?
A) session
B) application
C) presentation
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) devices
B) hosts
C) media
D) networks
- 17. When forwarding data, the source host dynamically selects a:
A) gateway address
B) logical address
C) routing address
D) source port
- 18. UDP is both connectionless and has a low ?
A) flow of control
B) transmission rate
C) overhead
D) margin of error
- 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) delivery
D) deposits
|