Deck 4: Networks and the Internet

Question 1

Which layer of the TCP/IP hierarchy decides the direction in which message segments are transferred across the Internet?

A) Application
B) Transport
C) Network
D) Link

Answer 1

C

Question 2

Which of the following connects existing networks to form an internet?

A) Bridge
B) Router
C) Switch
D) Repeater

Answer 2

B

Question 3

The primary purpose of which of the following is not the enhancement of security?

A) ICANN
B) Firewall
C) Encryption
D) CERT

Answer 3

A

Question 4

Which of the following is not an application of the Internet?

A) FTP
B) Email
C) Telnet
D) CERT

Question 5

Ethernet is a means of implementing which of the following network topologies?

A) Star
B) WiFi
C) Bus

Question 6

Which layer of the TCP/IP hierarchy decides which application should receive an incoming message?

A) Application
B) Transport
C) Network
D) Link

Question 7

Which of the following is not a way of classifying networks?

A) WAN versus LAN
B) Closed versus open
C) Router versus bridge
D) Star versus bus

Question 8

Which layer of the TCP/IP hierarchy is responsible for obtaining the correct address for a message's destination?

A) Application
B) Transport
C) Network
D) Link

Question 9

Which of the following is used to translate between IP addresses and mnemonic addresses?

A) File server
B) Mail server
C) Name server
D) FTP server

Question 10

Which layer of the TCP/IP hierarchy presents incoming messages to the computer user?

A) Application
B) Transport
C) Network
D) Link

Question 11

Which layer of the TCP/IP hierarchy reassembles messages as their pieces arrive at the destination?

A) Application
B) Transport
C) Network
D) Link

Question 12

Which layer of the TCP/IP hierarchy actually transmits a message?

A) Application
B) Transport
C) Network
D) Link

Question 13

Which of the following is not a means of performing interprocess communication over a network?

A) Client/server
B) ICANN
C) Peer-to-peer

Question 14

Which layer of the TCP/IP hierarchy chops messages into units whose size is compatible with the Internet?

A) Application
B) Transport
C) Network
D) Link

Question 15

Which of the following identifies the application to which a message arriving from the Internet should be given?

A) Protocol
B) Port number
C) Domain
D) Hop count

Question 16

Which of the following is an Internet application that is named after its underlying protocol?

A) Email
B) UDP
C) FTP
D) World Wide Web

Question 17

Which of the following is not a means of connecting networks?

A) Switch
B) Server
C) Router
D) Bridge

Question 18

Which of the following is assigned the task of providing individual users access to the Internet?

A) Tier-1 ISPs
B) Tier-2 ISPs
C) Access ISPs
D) ICANN

Question 19

Which standards organization produced the OSI reference model for internet communication?

A) ANSI
B) IEEE
C) ISO

Question 20

Which of the following is a protocol for controlling the right to transmit a message in a network?

A) UDP
B) CSMA/CD
C) TCP
D) FTP

Question 21

Express the bit pattern 0001001000001100 in dotted decimal notation.
________________

Question 22

Fill in the blanks with the missing tags to the following HTML document.


______ Title

_______

Click on
this._______
______

Question 23

List two network topologies.
A. _____________
B. _____________

Question 24

Which of the following is not a protocol used in the basic TCP/IP software hierarchy?

A) POP3
B) UDP
C) TCP
D) IP

Question 25

Draw a circle the portion of the URL below that identifies the directory containing the file being addressed.Underline the portion that identifies the protocol that should be used when accessing the file.Draw a rectangle around the portion that identifies the file name itself.
http://batcave.metropolis.com/heroes/superheroes/batpage.html

Question 26

Underline the portion of the URL below that identifies the classification (top-level domain)of the registered domain in which the pertinent webserver resides.Draw a rectangle around the portion that indicates the directory path the server should follow to find the designated document.
http://batcave.metropolis.com/heroes/superheroes/batpage.html

Question 27

List four top-level domains.
A. _____________
B. _______________
C. _____________
D. _______________

Question 28

List two features of HTML that conform to the XML style.
A. _____________________________
B. _____________________________

Question 29

The main purpose of _______ and ________ ISPs is to provide a system of high-speed routers that serve as the Internet's communication backbone,whereas _________ ISPs concentrate on providing Internet access to the Internet's users.

Question 30

What are two protocols for implementing the transport level in the "TCP/IP hierarchy"?
A. _____________
B. ______________

Question 31

Fill in the blank in the following HTML document so that the image called dog .JpG will be displayed at the top of the page.

______________________

Above is a picture of Fido.

Question 32

Which of the following is not a means of implementing server-side activities?

A) CGI
B) JSP
C) ASP
D) Javascript

Question 33

What bit pattern is represented by 33.42.18 in dotted decimal notation?
__________________________________________________

Question 34

What terms in the following HTML document are linked to other documents?

Favorite Animals

Of all the animals in the world,the
pig is
perhaps the most charming.

However,the

hippopotamus is also cute.

Question 35

Name three kinds of servers.
A. ___________________________
B. ___________________________
C. ___________________________

Question 36

Which of the following is not an email related protocol?

A) HTTP
B) POP3
C) IMAP
D) SMTP

Question 37

Which generation of wireless network technology uses the packet-switched IP network?

A) 3G
B) 4G
C) 5G
D) All of the above

Question 38

Fill in the blanks in the HTML document below so that the term "Earth" will be linked to the HTML document "earthinfo.html" in the directory "earthdir" at "earthnews.com."

The planet we live on is called
_________________________________________ Earth ____________

Question 39

Draw a rectangle around the portion of the email address below that identifies the "person" who should receive the message.Underline the portion that identifies the location of the mail server that handles the mail for that person.
[e-mail]

Question 40

Which of the following provides large scale streaming services?

A) CGI
B) ICANN
C) CDN
D) PAN

Question 41

What are some distinctions between UDP and TCP?

Question 42

Identify a protocol used in the implementation of the network layer in the TCP/IP hierarchy.
______________

Question 43

Identify two protocols used in networks to determine the right to transmit an original message.
A. _________________
B. _________________

Question 44

The client/server model refers to a form of interprocess communication in which one process,known as the ________________ ,runs continuously so that it can be contacted by other processes,known as ________________ ,as needed.In contrast is the ____________________ model of interprocess communication in which two processes communicate as equals.

Question 45

Many people use the terms Internet and world-wide web interchangeably.What is the difference between the Internet and the world-wide web?

Question 46

Where would be the most likely place to put a firewall to provide each of the following services?
A. ___________________ Protect an entire domain from attacks from the cloud
B. ___________________ Protect an entire domain from spam
C. ___________________ Protect an individual machine from worms and viruses

Question 47

Draw a sketch showing how the following HTML document would appear on the computer screen when displayed by a browser.

Mud Art

Question 48

To what do the terms "server side" and "client side" refer?

Question 49

In each blank below write the HTML tag that performs the indication function.
A. __________ Begins the part that describes what will appear on the computer screen
B. __________ Marks the end of the HTML document
C. __________ Marks the beginning of a paragraph
D. __________ Marks the end of a term that is linked to another document

Question 50

Write the entire URL required to retrieve the Web document named bulldogs.html from the Webserver at animals.org assuming that the document is stored in the directory named dogs.

Question 51

A ___________________ consists of software units that execute as processes on different computers.

Question 52

Briefly summarize the steps performed by each of the four layers in the TCP/IP hierarchy at the computer at which a message originates.

Question 53

What is the difference between hubs,switches,and routers?

Question 54

What are HTML and XML?

Question 55

Identify two types of VoIP devices.

Question 56

What assumptions are made when a URL is denoted by merely zoo.org?

Question 57

What would happen if a user clicked the mouse on the term "pig" while viewing the HTML document shown below?

Favorite Animals

Of all the animals in the world,the
pig is
perhaps the most charming.

However,the

hippopotamus is also cute.

Question 58

Draw a sketch showing how the following HTML document would appear on the computer screen when displayed by a browser.

Favorite Animals

Of all the animals in the world,the
pig is
perhaps the most charming.

However,the

hippopotamus is also cute.

Question 59

What is the difference between a repeater and a bridge?

Question 60

As an encryption system,what is unique about public-key encryption (that is,why is public-key encryption so named)?

Question 61

Briefly summarize what is meant by the term "cloud computing."

Question 62

What is the primary difference between using Telnet and SSH to connect to a remote server?