BAIS3330 - Protocol Analysis Review - Mid-Term

Question 1

What is the most accurate filter that can be used to filter TCP/IP traffic?

Accepted Answer

IP or TCP

Question 2

What is the error message associated with HTTP status code 503?

Accepted Answer

Service unavailable

Question 3

Which layer of the OSI model segments and reassembles data for error-free delivery?

Accepted Answer

Transport

Question 4

How many root servers exist?

Accepted Answer

13

Question 5

Complete the 3-way handshake

Accepted Answer

SYN/ACK

Question 6

Which protocol data unit is found at Layer 2 of the OSI model?

Accepted Answer

Frame

Question 7

What is the term used to describe a piece of data at any layer of a networking model?

Accepted Answer

protocol data unit

Question 8

Which protocol data unit is found at the Network layer of the OSI model?

Accepted Answer

Packet

Question 9

What is the difference between active, and passive FTP connection-wise

Accepted Answer

passive the client initiates, and in active the server does

Question 10

Which protocol data unit is found at the transport layer of the OSI model?

Accepted Answer

Segment

Question 11

Which layer would deal with the SMTP protocol?

Accepted Answer

Application layer

Question 12

Computer system or application that forwards HTTP requests

Accepted Answer

web proxy

Question 13

Standard security technology for establishing an encrypted link between a web server & a client

Accepted Answer

SSL/TLS

Question 14

How many connections are required to perform FTP

Accepted Answer

2

Question 15

You are sending a request for a webpage from a web server. What is the order of the protocols?

Accepted Answer

HTTP, TCP, IP, Ethernet

Question 16

The Registered Ports are

Accepted Answer

1024-49151

Question 17

What is the MAC address for device at 8.8.8.8

Accepted Answer

2c:39:96:ef:7e:f7

Question 18

True or false: HTTPS ensures communication between client and host is encrypted

Accepted Answer

True

Question 19

Should active or passive be used when dealing with client firewalls.

Accepted Answer

Passive

Question 20

Which one of the following organizations provides leadership in Internet-related standards?

Accepted Answer

Internet Society

Question 21

The Well Known Ports are

Accepted Answer

0-1023

Question 22

True or False: TCP governs the delivery of data over the Internet or other networks

Accepted Answer

True

Question 23

Which one of the following organizations focuses on longer term research issues related to the Internet?

Accepted Answer

IRTF

Question 24

What does MAC stand for?

Accepted Answer

Media Access Control Address

Question 25

HTTP request method that should only retrieve data and should have no other effect on the server

Accepted Answer

GET

Question 26

What OSI layer correlates to the Host-to-Host layer of the TCP-IP model layer?

Accepted Answer

Transport

Question 27

POP3 (Post Office Protocol 3) uses which port?

Accepted Answer

110

Question 28

What are three examples of Application layer protocols?

Accepted Answer

DHCP, DNS, FTP

Question 29

What do computers use to ensure data isn't dropped because too much data is sent too quickly?

Accepted Answer

flow control

Question 30

What ports does FTP utilize (along with dynamic ports)

Accepted Answer

20 and 21

Question 31

TCP:

Accepted Answer

All of the above

Question 32

The Dynamic/Private ports are

Accepted Answer

49152-65535

Question 33

What does HTTP stand for?

Accepted Answer

Hypertext Transfer Protocol

Question 34

What are the layers of the OSI Model from top down?

Accepted Answer

Applic, Pres, Sess, Trans, Network, Data-link, Physical

Question 35

HTTPS (Secure Implemation of Hypertext Transfer Protocol) uses which port?

Accepted Answer

443

Question 36

What layer of the OSI model does ENCRYPTION and DECRYPTION function at?

Accepted Answer

Presentation

Question 37

What layer of the TCP/IP protocol model determines the best path through the network?

Accepted Answer

Internet

Question 38

What is a packet?

Accepted Answer

Data to be sent across a network

Question 39

Which is not a layer of the TCP/IP Model?

Accepted Answer

Session layer

Question 40

Should the DHCP server know the clients' MAC?

Accepted Answer

Yes always

Question 41

At which layer of the OSI model would a physical address be encapsulated?

Accepted Answer

Data Link Layer

Question 42

When was TCP/IP created?

Accepted Answer

1978

Question 43

What type of addressing is used at the transport layer of the OSI Model?

Accepted Answer

Port numbers

Question 44

Whats the order in which a DHCP client gets an IP address from a DHCP server?

Accepted Answer

discover,offer,request,ACK

Question 45

True or false: Each layer is designed to perform a particular function

Accepted Answer

True

Question 46

What type of networking model is the OSI model?

Accepted Answer

Reference model

Question 47

Is this a DNS or a DHCP server?

Accepted Answer

It's just a symbol that can be used JUST to explain how DNS/DHCP work!

Question 48

If the default gateway is configured incorrectly on the host, what happens to communications?

Accepted Answer

Host can communicate on the LAN but not on remote networks

Question 49

What is the default port used by HTTP?

Accepted Answer

80

Question 50

What does DHCP mean?

Accepted Answer

Dynamic Host Configuration Protocol

Question 51

How many layers are on the TCP/IP Model?

Accepted Answer

4

Question 52

What type of communication will send a message only to one specific device?

Accepted Answer

Unicast

Question 53

What 2 sublayers is the Data Link layer divided into?

Accepted Answer

MAC & LLC

Question 54

Which one of the following organizations is NOT an open standard organization?

Accepted Answer

IEEE

Question 55

What project started the development of inter-network connections?

Accepted Answer

ARPANET

Question 56

What process is used to place one message inside another message during transmission?

Accepted Answer

encapsulation

Question 57

What layer of the OSI model is responsible for switching?

Accepted Answer

Data Link

Question 58

What does OSI stand for?

Accepted Answer

Open Systems Interconnection

Question 59

IGMP is a protocol of which layer?

Accepted Answer

Internet

Question 60

What are the layers of the TCP/IP model from the top down?

Accepted Answer

Application, Transport, Internet, Network Access

Question 61

The OSI networking model was created by which organization?

Accepted Answer

ISO

Question 62

What is the error message associated with HTTP status code 403?

Accepted Answer

Access Denied

BAIS3330 - Protocol Analysis Review - Mid-Term

Questions 62

BAIS3330 - Protocol Analysis Review - Mid-Term

Questions 62