background image
108
Chapter 2
Protocol Attributes
4.
Which protocol of the IP protocol suite provides environmental infor-
mation regarding IP networks, such as congestion and reachability?
A.
ICMP
B.
UDP
C.
TCP
D.
SMTP
5.
What are window sizes used for in TCP data transfers?
A.
They define the size of the packet, otherwise known as MTU.
B.
They define how long the TCP transfer can last.
C.
They define how many bytes are sent before an ACK is received.
D.
They define the port the transfer will use.
6.
What advantage do connectionless data transfers have over connec-
tion-oriented transfers?
A.
Flow-and-error control
B.
Guarantee of data integrity
C.
A more secure transfer
D.
Less overhead and network traffic
7.
What is RIP's major weakness?
A.
Hop count
B.
Distance-vector protocol
C.
Link-state protocol
D.
Inaccurate metric values
Copyright ©2000 SYBEX , Inc., Alameda, CA
www.sybex.com