Chapter 4 1 Which of the following connects existing networks to form an internet | Course Paper

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Test Bank—Chapter Four (Networks and the Internet)

Multiple Choice Questions

1. 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

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

A. Star B. WiFi C. Bus

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

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

4. 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

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

A. Client/server B. ICANN C. Peer-to–peer

6. 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

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

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

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

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

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

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

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

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

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

12. 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

13. 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

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

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

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

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

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

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

17. 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

18. 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

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

A. ANSI B. IEEE C. ISO

20. 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

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

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

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

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

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

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

24. Which of the following provides large scale streaming services?

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

25. Which of the following is not an email related protocol?

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

Fill-in-the-blank/Short-answer Questions

1. List two network topologies.

A. _____________

B. _____________

2. What are two protocols for implementing the transport level in the “TCP/IP hierarchy”?

A. _____________ B. ______________

3. 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

4. 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

5. 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.

Fido@dogmail.zoo.org

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

__________________________________________________

7. Express the bit pattern 0001001000001100 in dotted decimal notation.

________________

8. 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.

9. Name three kinds of servers.

A. ___________________________

B. ___________________________

C. ___________________________

10. List four top-level domains.

A. _____________ B. _______________

C. _____________ D. _______________

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

<html>

<head>

<title>This is the title</title>

</head>

<body>

<h1>Favorite Animals</h1>

<p>Of all the animals in the world, the

<a href=”http://pigs.org/pigs.html”>pig</a> is

perhaps the most charming.</p><p>However, the

<a href=”http://hippopotamuscity.org/hippo.html”>

hippopotamus</a> is also cute.</p>

</body>

</html>

12. 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.”

<html>

<head>

<title>Earth page</title>

</head>

<body>

<p>The planet we live on is called

_________________________________________ Earth ____________

</p>

</body>

</html>

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

<html>

<head>

______ Title </title>

</head>

_______

<p>Click on

<a href=”http://this..org”> this. _______

______

</body>

</html>

14. 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.

<body>

______________________

<p>Above is a picture of Fido.</p>

</body>

15. List two features of HTML that conform to the XML style.

A. _____________________________

B. _____________________________

16. Identify two protocols used in networks to determine the right to transmit an original message.

A. _________________ B. _________________

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

______________

18. 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

19. 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.

20. 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

21. 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.

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

23. Identify two types of VoIP devices.

Vocabulary (Matching) Questions

The following is a list of terms from the chapter along with descriptive phrases that can be used to produce

questions (depending on the topics covered in your course) in which the students are ask to match phrases

and terms. An example would be a question of the form, “In the blank next to each phrase, write the term

from the following list that is best described by the phrase.”

Term Descriptive Phrase

internet A network of networks

tier-1 ISP An organization that provides the Internet’s communication backbone

access ISP An organization that provides access to the Internet

domain A name registered with ICANN for identification purposes

protocol A governing set of rules

cloud The portion of the Internet lying outside one’s domain

IP address Identifies a machine on the Internet

HTML A notational system for indicating how a Web document is to be

displayed by a browser

firewall A means of blocking undesired messages

packet A message segment that is transmitted over the Internet independently

XML A “format” for markup languages

FTP A protocol for transferring files

HTTP A protocol for accessing webpages

General Format Questions

1. What is the difference between a repeater and a bridge?

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

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

the Internet and the world-wide web?

4. What are HTML and XML?

5. What are some distinctions between UDP and TCP?

6. As an encryption system, what is unique about public-key encryption (that is, why is public-key

encryption so named)?

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

displayed by a browser.

<html>

<head>

<title>This is the title</title>

</head>

<body>

<h1>Mud Art</h1>

</body>

</html>

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

displayed by a browser.

<html>

<head>

<title>This is the title</title>

</head>

<body>

<h1>Favorite Animals</h1>

<p>Of all the animals in the world, the

<a href=”http://pigs.org/pigs.html”>pig</a> is

perhaps the most charming.</p><p>However, the

<a href=”http://hippopotamuscity.org/hippo.html”>

hippopotamus</a> is also cute.</p>

</body>

</html>

9. What would happen if a user clicked the mouse on the term “pig” while viewing the HTML document

shown below?

<html>

<head>

<title>This is the title</title>

</head>

<body>

<h1>Favorite Animals</h1>

<p>Of all the animals in the world, the

<a href=”http://pigs.org/pigs.html”>pig</a> is

perhaps the most charming.</p><p>However, the

<a href=”http://hippopotamuscity.org/hippo.html”>

hippopotamus</a> is also cute.</p>

</body>

</html>

10. To what do the terms “server side” and “client side” refer?

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

12. Briefly summarize the steps performed by each of the four layers in the TCP/IP hierarchy at the

computer at which a message originates.

13. Briefly summarize what is meant by the term “cloud computing.”

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