Deck 20: Network and Cloud Technology

Question 1

Which of the following statements is true of digital subscriber lines (DSLs)?

A)Their signals do not interfere with voice telephone service.
B)DSL services and speed are standardised across applications.
C)DSLs use television lines for data transmission.
D)Digital subscriber lines use standard protocols.

Answer 1

A

Question 2

A ________ is a networking device that detects the speed that a given device on a LAN can handle and communicates with it at that speed.

A)switch
B)bus
C)SOHO LAN
D)domain

Answer 2

A

Question 3

The distinguishing characteristic of a local area network (LAN)is that ________.

A)it connects at multiple locations
B)all lines need not reside at the same geographic location
C)it connects at a single location
D)it is a network of networks

Answer 3

C

Question 4

The IEEE 802.3 protocol standard is also known as ________.

A)TCP/IP
B)Ethernet
C)HTTP
D)Bluetooth

Question 5

Which protocol standard used for wired LAN connections specifies hardware characteristics such as the signal to be carried by each wire?

A)intranet
B)Ethernet
C)RuBee
D)WiMax

Question 6

Which of the following statements is true about LANs and their components?

A)For communications equipment,the M in Mbps stands for 1024×1024.
B)The numbers in the term "10/100/1000 Ethernet" refer to the number of devices that can be connected.
C)The expansion of kbps is kilobits per second.
D)IEEE 802.11ac is the current standard for wired LAN.

Question 7

A(n)________ connects computers at different geographic locations.

A)SOHO LAN
B)Ethernet
C)WAN
D)LAN

Question 8

Which of the following statements is true of an ISP?

A)It separates the phone signals from computer signals on a DSL at every user's location.
B)It provides free access to the Internet.
C)It facilitates a one-way information transfer process between the user's computer and the Internet.
D)It serves as a user's gateway to the Internet.

Question 9

Devices such as wireless mice and keyboards use ________ to connect to the computer.

A)broadband
B)Bluetooth
C)routers
D)cables

Question 10

With a WAN,an organisation can place communications lines wherever it wants because all lines reside on its premises.

Question 11

A protocol is a set of rules that programs on two communicating devices follow.

Question 12

A(n)________ is a set of rules that programs on two communicating devices follow.

A)database
B)protocol
C)attribute
D)domain

Question 13

A ________ is used to provide seamless flow of data across networks.

A)Web page
B)database
C)commerce server
D)layered protocol

Question 14

A private internet that is used exclusively within an organisation is also called an intranet.

Question 15

What is the difference between a LAN and a WAN? Give an example of how each one could be used in business.

Question 16

A LAN would be used to connect computers located in Seattle and Philadelphia.

Question 17

Which of the following protocols is commonly used by wired LAN?

A)EVDO
B)DSL
C)IEEE 802.3
D)WiMax

Question 18

Which of the following is the protocol commonly used for wireless LAN?

A)LISTSERV
B)IEEE 802.3
C)IEEE 802.11
D)DSL

Question 19

The computers in two separate company sites must be connected using a ________.

A)MAC
B)LAN
C)SOHO LAN
D)WAN

Question 20

Which of the following statements about LAN protocols is true?

A)Wired LANs use IEEE 802.11 protocol.
B)The IEEE 802.3 protocol specifies only hardware characteristics.
C)LAN protocols are determined by the ISPs.
D)The IEEE 802.11 protocol is also called Ethernet.

Question 21

A ________ receives requests from users via the Web server,takes some action,and returns a response to the users via the Web server.

A)content delivery network
B)commerce server
C)URL
D)browser

Question 22

Users can download data at a maximum speed of 10 Mbps using cable lines.

Question 23

Which of the following is the second tier in the three-tier architecture arrangement?

A)server tier
B)database tier
C)user tier
D)client tier

Question 24

DSL operates on the same lines as voice telephones.

Question 25

Which of the following refers to an address on the Internet?

A)File Transfer Protocol
B)Digital Subscriber Line
C)Internet Service Provider
D)Uniform Resource Locator

Question 26

LAN connections cannot be made with optical fibre cables.

Question 27

Cable lines provide high-speed data transmission using phone lines.

Question 28

Which of the following is a component of the user tier?

A)computers that have browsers that request and process Web pages
B)computers that run Web servers and process application programs
C)computers that run a DBMS that processes requests for data from a commerce server
D)computers that receive Web page requests and send them to an available server to minimise customer delays in a facility called a Web farm

Question 29

Wireless mice use Bluetooth to connect to a computer.

Question 30

The IEEE 802.3 protocol is used for wired LAN connections.

Question 31

Which of the following statements is true of cable lines?

A)Cable lines generally use standard protocols.
B)Performance of cable lines is stable irrespective of the number of users sending and receiving data.
C)Cable lines provide high-speed data transmission using telephone cables.
D)The signals from cable modems do not interfere with TV signals.

Question 32

What are the three important functions of an ISP?

Question 33

A(n)________ is a unique name that is affiliated with a public IP address.

A)assigned name
B)tag
C)domain name
D)protocol

Question 34

Which of the following statements is true of private and public IP addresses?

A)The use of separate private and public IP addresses increases the number of domain names.
B)The IP address that a domain name points to can be changed.
C)In a URL,the IP address must be followed by the protocol.
D)An IP address can be associated with just one domain name.

Question 35

The most popular protocol for LAN is the IEEE 802.11 protocol.

Question 36

Which of the following statements best defines an IP address?

A)It is a protocol that specifies the format of Web pages.
B)It is a number that identifies a particular device.
C)It is a program that breaks up network traffic into pieces before transmission.
D)It is a piece of a message that is handled by programs that implement internet protocol.

Question 37

What is Bluetooth? What are its uses?

Question 38

________ is the language that is commonly used for coding Web pages.

A)VPN
B)DSL
C)XML
D)HTML

Question 39

A SOHO LAN (small office or a home office LAN)requires that a dozen or more computers and printers be connected.

Question 40

Bluetooth is a protocol that can transmit data over long distances.

Question 41

The protocols used on the Internet are arranged according to a structure known as the TCP/IP Protocol architecture.

Question 42

Which of the following statements is true of Web servers?

A)They are used only to send and receive Webmail.
B)They are not programs.
C)They run on a user tier computer.
D)They send and receive Web pages to and from clients.

Question 43

What is the TCP/IP Protocol architecture? Where is the application layer protocol?

Question 44

Which of the following statements is true of service-oriented architecture (SOA)?

A)SOA services are used only between the Web server and the users.
B)The number of database servers and Web servers should be in a certain ratio.
C)Work is assigned to Web servers based on their geographic proximity to the user.
D)JavaScripts in Web pages can invoke services defined by a server application.

Question 45

Differentiate between private and public IP addresses.

Question 46

Which of the following purposes does an HTTP protocol serve?

A)determine IP address of devices on a network
B)enable communication between programs
C)provide reliable network for data communication
D)divide network traffic into packets

Question 47

The server tier consists of computers that run a DBMS that processes requests to retrieve and store data.

Question 48

What is a domain name? What is the procedure to get a domain name?

Question 49

Which of the following protocols allows secure data transmissions?

A)SMTP
B)TCP
C)HTTPS
D)FTP

Question 50

What is the difference between a Web server and a commerce server?

Question 51

A common use of FTP is to ________.

A)format responses
B)manage network traffic
C)transmit data
D)balance server loads

Question 52

The "S" in HTTPS stands for ________.

A)secure
B)status
C)site
D)speed

Question 53

Which of the following statements is true about protocols supporting Web services?

A)XML is preferred for transmitting large volumes of data between servers and browsers.
B)WSDL documents are read by developer tools to configure a programming environment.
C)SOAP is a lower-level Internet protocol.
D)The metadata in JSON is well-suited for validating the format and completeness of the document.

Question 54

The movement from one network to another is called hop.

Question 55

The user tier consists of computers,phones,and other devices.

Question 56

What are the different tiers in the three-tier architecture?

Question 57

The TCP/IP Protocol architecture uses the same protocol in all its layers.

Question 58

Which of the following statements is true of JavaScript Object Notation (JSON)?

A)Documents using JSON can be processed only using Java programming language.
B)It contains a lot of metadata to validate the format of documents.
C)It is used to transmit volumes of data between browsers and servers.
D)JSON cannot be used to support Web services.

Question 59

What is HTTP? How does it work?

Question 60

An HTTPS connection is a secure connection.

Question 61

File Transfer Protocol is generally used for email transmissions.

Question 62

SOAP is a protocol for requesting and responding to Web services.