Deck 3: Operating Systems

Question 1

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

Answer 1

B

Question 2

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

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

Answer 2

A

Question 3

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

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

Answer 3

A

Question 4

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 5

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 6

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

Question 7

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

A) Star
B) WiFi
C) Bus

Question 8

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 9

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

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

Question 10

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 11

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

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

Question 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

Question 13

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 14

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

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

Question 15

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

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

Question 16

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

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

Question 17

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 18

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 19

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

A) ANSI
B) IEEE
C) ISO

Question 20

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

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

Question 21

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

Question 22

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

Question 23

Identify two types of VoIP devices.

Question 24

What are some distinctions between UDP and TCP?

Question 25

What are HTML and XML?

Question 26

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 27

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 28

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 29

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

Question 30

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

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

Question 31

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

Question 32

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

Question 33

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

Question 34

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

Question 35

What is the difference between a repeater and a bridge?

Question 36

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

Question 37

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

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

Question 38

Underline the portion of the URL below that identifies the classification (top-level domain) of the registered domain in which the pertinent Web server 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 39

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 40

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

A) _________________
B) _________________

Question 41

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

Question 42

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

Question 43

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

Question 44

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 45

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

Question 46

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

Question 47

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

Question 48

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