CIS 3329 - Final Exam (multiple choice)
If arrival rate (in bits) to a link exceeds transmission rate of a link for a period of time.
a. packets will queue, wait to be transmitted on link
b. depends on congestion level of router
c. packets can be dropped (lost) if memory (buffer) fills up
d. All of the above - ANS-d. All of the above
This term refers to the actual rate of data transfer.
a. Bandwidth
b. All of the above
c. Throughput
d. None of the above - ANS-c. Throughput
This refers to the division of a message into smaller packets. Len Kleinrock developed
this.
a. Circuit Switching
b. Packet Switching
c. Bit Switching
d. None of the above - ANS-b. Packet Switching
Checking bit errors and determining output link are part of this type of delay.
a. Queuing Delay
b. Propagation Delay
c. Nodal processing delay
d. Transmission Delay - ANS-c. Nodal processing delay
Which statement is true about Propagation Delay?
a. The length of the packet is one of the factors that determine this delay b. The
distance and speed of of the medium determines this delay
c. The speed of the packet is a factor that determine this delay
d. All of the above - ANS-b. The distance and speed of of the medium determines this
delay
,How long will a message of 16KB, and a speed of 4KBps, divided into 4KB packets,
over 3 links take?
a. 6 secs
b. 8 secs
c. 30 sec
d. All of the above - ANS-a. 6 secs
This program provides delay measurement from source to router along end-end Internet
path towards destination.
a. Ping
b. Msconfig
c. Traceroute
d. None of the above - ANS-c. Traceroute
What is the transmission delay of a packet?
a. L/R
b. Q/M
c. D/S
d. None of the above - ANS-a. L/R
Activity in the Internet involving 2 or more communicating entities is governed by a
protocol.
a. True
b. False - ANS-a. True
The network edge of the Internet isoften referred to as end systems or hosts.
a. True
b. False - ANS-a. True
The network core is the mesh of packet switches & links that interconnects the Internet's
edge.
a. True
b. False - ANS-a. True
,Bandwidth refers
A. to the actual amount of data received
B. the rate of the amount of data per unit of time.
C. the simultaneous transmission of audio and video signals
D. none of the above - ANS-B. the rate of the amount of data per unit of time.
Who developed packet switching
A. Tim Berners-Lee
B. Vinton Cerf
C. Len Kleinrock
D. Mark Andreessen - ANS-C. Len Kleinrock
One of the people responsible for the TCP/IP protocol stack.
A. Tim Berners-Lee
B. Vinton Cerf
C. Larry Roberts
D. Len Kleinrock - ANS-B. Vinton Cerf
Who created the http protocol which gave birth to the WWW?
a. Mark Andreessen
b. Len Kleinrock
c. Tim Berners-Lee
d. Vinton Cerf - ANS-c. Tim Berners-Lee
How many layers does the TCP/IP protocol stack have?
a. 1
b. 4
c. 2
d. 5 - ANS-d. 5
Who developed the first browser?
a. Tim Berners-Lee
b. Larry Roberts
c. Marc Andreessen
, d. Robert Kahn - ANS-c. Marc Andreessen
Which layer deals with services?
a. Transport
b. Application
c. Network
d. Data Link - ANS-b. Application
What event sparked the creation of the Internet and NASA
a. Walk on the moon
b. Appolo
c. Sputnik
d. The Right Stuff - ANS-c. Sputnik
IPV4
a. has 32 bits
b. consists of both network and host address
c. Provides 4.3 billion unique combinations of 0 & 1's
d. All of the above - ANS-d. All of the above
The IP datagram has
a. 20 byte header
b. 60 byte header
c. 40 byte header
d. None of the above - ANS-a. 20 byte header
Datagram fragmenation occurs because
a. of the MTU
b. it is faster
c. it has less overhead
d. All of the above - ANS-a. of the MTU
The IP 55.43.2.1 has a subnet of 255.0.0.0. then the 55 refers to the
a. Network Address
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