iClicker Questions
CNIT 201E
After 4.1
What OSI Model Layer labels data
with a port number?
A.
B.
C.
D.
E.
Application, Presentation, or Session
Transport
Network
Data Link
Physical
1 of 7
What OSI Model Layer labels data
with a MAC Address?
A.
B.
C.
D.
E.
Application, Presentation, or Session
Transport
Network
Data Link
Physical
2 of 7
What OSI Model Layer labels data
performs segmentation?
A.
B.
C.
D.
E.
Application, Presentation, or Session
Transport
Network
Data Link
Physical
3 of 7
Which protocol will deliver a large
data file the most rapidly?
A.
B.
C.
D.
E.
FTP
HTTP
TCP
UDP
HTTPS
4 of 7
Which item is not found in the
TCP header?
A.
B.
C.
D.
E.
ACK number
Source IP Address
Source Port Number
Window Size
Checksum
5 of 7
A client requests a Web page.
What TCP port on the Web server
receives the request?
A.
B.
C.
D.
E.
23
53
80
110
A port larger than 1023
6 of 7
A client requests a Web page.
What TCP port on the client sends
the request?
A.
B.
C.
D.
E.
23
53
80
110
A port larger than 1023
7 of 7
After 4.2
When a user opens a Web page,
what is the first TCP packet sent to
the server?
A.
B.
C.
D.
E.
SYN
SYN/ACK
HTTP GET
ACK
ARP
1 of 3
Which item is not a flag field in the
TCP Header?
A.
B.
C.
D.
E.
GET
ACK
PSH
URG
RST
2 of 3
Which type of packet is normally
sent to indicate that the session
should be ended?
A.
B.
C.
D.
E.
ACK
FIN
PSH
URG
RST
3 of 3
After 4.4
Which TCP header value is
dynamically adjusted to react to
network congestion?
A.
B.
C.
D.
E.
Source Port
Destination Port
Window Size
Acknowledgement Number
Sequence Number
1 of 3
A computer is ready to send a file to another
computer over a network link with a latency
of 100 ms (for a round-trip). How long will it
have to wait before it can start sending data
via TFTP?
A.
B.
C.
D.
E.
No Delay
50 ms
100 ms
150 ms
200 ms or more
2 of 3
Which type of packet is normally
sent to indicate that the session
should be ended?
A.
B.
C.
D.
E.
ACK
FIN
PSH
URG
RST
3 of 3
Lab Notes
Hands-on Labs

Packet Tracer Activities


You can do them anywhere
Lab 4.5.1: Observing TCP and UDP
using Netstat

You can do it at home with minor
modifications—telnet to hills.ccsf.edu
Hands-on Labs

Lab 4.5.2: TCP/IP Transport Layer
Protocols, TCP and UDP


Lab 4.5.3: Application and Transport
Layer Protocols Examination


Do in the classroom
You could do it from home, but it will be
easier in the classroom
Do Packet Tracer Labs first