Deck 13: Internet and Distributed Application Services

Question 1

​With P2P architecture, there are more potential bottlenecks and points of failure.

Answer 1

False

Question 2

​LDAP defines several standard container object types, including Country (C), Organization (O), and Organizational Unit (OU).

Answer 2

True

Question 3

​HTTPS is the "secure" version of HTTP

Answer 3

True

Question 4

​A fully qualified DN specifies a complete path from a directory root node through one or more container objects to a specific object.

Question 5

​Every IP packet carries the destination node's IP address.

Question 6

​There is a standard objectclass or attribute name for all entities and resources common to most directories, such as people and shared printers.

Question 7

​Active Directory is based on LDAP and DNS, so it responds to standard LDAP information requests and uses LDAP concepts, such as objectclasses and OUs, to store and organize directory information hierarchically.

Question 8

Three-layer architecture simplifies distributing or replicating application software across a network.

Question 9

​Advantages of P2P architecture include improved scalability and reducing the number of computer and network connections needed to support an application.

Question 10

​A server hosts a single service or resource.

Question 11

​HTML extends XML to describe the structure, format, and content of documents.

Question 12

​The client/server architectural model can be applied in many ways.

Question 13

​Every network attached to the Internet has at least one server designated as a DNS server.

Question 14

​In large networks, responsibility for maintaining directory content and answering queries is centralized to a few individuals who manage the network.

Question 15

A server manages system resources and provides access to these resources through a well-defined communication interface.​

Question 16

​A port number is an unsigned 24-bit integer

Question 17

​Static connections are easy to initialize and maintain.

Question 18

​As OSs have evolved, they have incorporated fewer and fewer middleware functions.

Question 19

​An operating system's primary role is to manage hardware, software, and data resources.

Question 20

​LDAP queries contain plaintext characters and the syntax is simple and straight forward.

Question 21

​With ____, a resource user asks for a resource, and if it isn't found in the local resource registry, the resource locator searches for it in external locations.

A) ​static connections
B) ​fixed connections
C) ​dynamic connections
D) ​mapped connections

Question 22

In a three-layer architecture, the _____ layer accepts user input and formats and displays processing results.

A) model
B) ​view
C) ​controller
D) ​presentation

Question 23

Vendor lock-in risk rises with PaaS because the vendor provides system software components in addition to hardware.

Question 24

​Distributing parts of an information system across many computer systems and locations is called ____.

A) ​distributed computing
B) ​local computing
C) ​parallel computing
D) ​linear computing

Question 25

​Three current distribution modes that fit in the cloud computing paradigm are support as a service, platform as a service and infrastructure as a service.

Question 26

​Software implementing the Transport, Internet, and Network Interface layers of the TCP/IP model is commonly called a(n) ____.

A) ​protocol stack
B) ​system stack
C) ​conversion stack
D) ​application stack

Question 27

​____ are composed of software components distributed across many computer systems and geographic locations.

A) ​Information processes
B) ​Information systems
C) ​Information networks
D) ​Information controls

Question 28

The risk of vendor lock-in is lower with SaaS because most vendors use similar virtualization environments.

Question 29

​SMTP and MIME are protocols that enable a user on one Internet host to interact with the OS command layer of another Internet host.

Question 30

​In static resource connections, the resource locator maintains a ____ containing the names and locations of known resources and services.

A) ​network map registry
B) ​local resource registry
C) ​system resource registry
D) ​remote resource registry

Question 31

​SaaS has substantial benefits from a consumer perspective.

Question 32

​Users access Web applications via a URL.

Question 33

Vendor lock-in is a recent phenomenon with the advent of SaaS.

Question 34

​A ____ server maintains a registry of names and corresponding IP addresses for each node on the local network.

A) ​DNS
B) ​DHCP
C) ​BOOTP
D) ​WINS

Question 35

Data- and graphics-intensive applications can use ordinary Internet connections as part of SaaS.

Question 36

​____ is a method of organizing software to provide and access distributed information and computing resources.

A) ​monolithic architecture
B) ​unified architecture
C) ​master/slave architecture
D) ​client/server architecture

Question 37

​IaaS can be structured for only part of an application's infrastructure requirements.

Question 38

​In ____ architecture, the roles of client and server are combined into a single application or group of related applications.

A) ​client/server
B) ​monolithic
C) ​peer-to-peer
D) ​unified

Question 39

​Before accessing a remote resource, a user or system administrator must know the server and resource names to create a ____.

A) ​dynamic connection
B) ​local connection
C) ​mapped connection
D) ​static connection

Question 40

​A web browser can pass parameters to a script on a Web server using the RPC protocol.

Question 41

​____, a Microsoft specification for component interoperability, has its roots in older Microsoft specifications, including Object Linking and Embedding (OLE) and the Component Object Model (COM).

A) ​CORBA
B) ​Enterprise Java Beans
C) ​.Net
D) ​Component Object Model Plus

Question 42

​All objects in an LDAP schema have a(n) ____ attribute.

A) ​objectclass
B) ​distinguished name
C) ​objectType
D) ​common name

Question 43

​____ specifies the middleware objects use to interact across networks.

A) ​COM+
B) ​LDAP
C) ​CIFS
D) ​CORBA

Question 44

​A ____ is a region of shared memory through which multiple processes executing on the same machine can exchange data.

A) ​map
B) ​pipe
C) ​socket
D) ​process

Question 45

____ is an open standard, developed by the World Wide Web Consortium, for distributed object interaction that attempts to address the shortcomings of both CORBA and COM+.

A) XML-RPC
B) Simple Object Access Protocol
C) ​OLE
D) ​HTTP

Question 46

​A(n) ____ describes rights granted or denied to users, groups, and computers for accessing resources in Active Directory.

A) ​access control list
B) ​access control entry
C) ​token
D) ​access control token

Question 47

Under ____, e-mail messages are held on the server temporarily, downloaded to the client when a connection is established, and deleted from the server as soon as the download is finished.

A) IMAP
B) ​POP3
C) ​SMTP
D) ​NNTP

Question 48

A(n) ____ is a standardized, interchangeable software module that is executable, has a unique identifier and has a well-known interface.

A) ​object
B) ​bean
C) ​component
D) ​resource

Question 49

​Active Directory clients rely on a ____ to locate Active Directory servers.

A) ​WINS server
B) ​DHCP server
C) ​BOOTP server
D) ​DNS server

Question 50

SMTP was extended by the ____ protocol to allow including nontext files in e-mail messages.

A) ​Multimedia Internet Mail Extensions
B) ​Multiple Internet Mail Extensions
C) ​Multipurpose Internet Mail Extensions
D) ​Multiuse Internet Mail Extensions

Question 51

In CORBA, ____ is a component message-passing protocol.

A) Internet Inter-ORB Protocol
B) Local Inter-ORB Protocol
C) SOAP
D) ​XML-RPC

Question 52

​____ are commonly used for communication between OS components, for queuing requests to an OS service, and for exchanging messages between components in a large program.

A) ​Sockets
B) ​Packets
C) ​Pipes
D) ​Procedures

Question 53

​Microsoft ____ is the directory service and security system built into Windows Server.

A) ​Directory Services
B) ​Open Directory
C) ​Active Directory
D) ​Network Directory

Question 54

​Web resources are identified by a unique ____.

A) ​Uniform Resource Leverage
B) ​Uniform Resource Locator
C) ​Uniform Resource Link
D) ​Uniform Resource Path

Question 55

In CORBA, ____ is a service that maintains a component directory and routes messages between components.

A) Object Reference Broker
B) Object Request Broker
C) Object Resource Broker
D) ​Object Repair Broker

Question 56

____ enable developers to create user interfaces that run on a server but interact with a client Web browser or component.

A) ​JavaServer Beans
B) ​Enterprise Java Beans
C) ​JavaServer Faces
D) ​JavaFX

Question 57

​____ is an improved version of Telnet that encrypts data flowing between client and server to address a major security issue in Telnet.

A) ​Secure Shell
B) ​FTP
C) ​Kerberos
D) ​DCE

Question 58

​In an LDAP directory, a(n) ____ defines the attributes common to all member objects.

A) ​distinguished name
B) ​common name
C) ​objectType
D) ​objectclass

Question 59

​With the ____ protocol, a process on one machine can call a process on another machine.

A) ​Remote Activation Call
B) ​Remote Procedure Call
C) ​Remote Execution Call
D) ​Remote Calling Convention

Question 60

​The term ____ describes middleware that stores the name and network address of distributed resources, responds to directory queries, accepts directory updates, and synchronizes replicated or distributed directory copies.

A) ​registration services
B) ​directory services
C) ​network services
D) ​configuration services

Question 61

The highest vendor lock-in risk occurs with ____ because the vendor controls all key components of the customer's information system.

A) ​PaaS
B) ​IaaS
C) ​SaaS
D) ​AaaS

Question 62

​The term ____________________ describes software that "glues" together parts of a client/server or multitier application.

Question 63

An LDAP ____________________ stores information about LDAP objects.

Question 64

____________________ is a secure version of HTTP that encrypts HTTP requests and responses.

Question 65

​In static resource connections, the ____________________ acts as a router for resource access requests arriving from local and remote users and application programs.

Question 66

​Web resources are identified and accessed via a(n) ____________________.

Question 67

In a three-layer architecture, the ____________________ layer carries out the rules and procedures of business processing.

Question 68

​A(n) ____________________ pipe is a pipe with two additional features including a name that's permanently placed in a file system directory and the capability to communicate between processes on different computers.

Question 69

When a named pipe is created, a(n) ____________________ is also created in the local file system.

Question 70

A(n) ____________________ is a unique combination of an IP address and a port number, separated by a colon.

Question 71

The term ____ summarizes recent coarse-grained approaches to distributing and accessing software and hardware services across the Internet.

A) ​cloud computing
B) ​distributed computing
C) ​platform computing
D) ​shared computing

Question 72

LDAP objects are organized in a(n) ____________________ directory structure.

Question 73

​A(n) ____________________ uses the communication interface to request resources, and the server responds to these requests.

Question 74

____ is a key supporting technology in IaaS because it enables a customer / user to configure application and system software for a generic platform as virtual servers and then deploy these servers to a third-party hosting site.

A) ​Hardware virtualization
B) ​Software virtualization
C) ​Network virtualization
D) ​System virtualization

Question 75

____ is a Web-based architectural approach in which users interact via a Web browser or other Web-enabled view layer with application software provided by a third party.

A) ​Platform as a service
B) ​Infrastructure as a service
C) ​System as a service
D) ​Software as a service

Question 76

A distinguished name (DN) attribute uniquely identifies an object in a(n) ____________________.

Question 77

​A network ____________________ is a computer's doorway to external resources, such as Web sites and applications, databases, shared files and folders, and shared I/O devices.

Question 78

​____ describes an architectural approach in which an organization rents access to system software and hardware on which it installs its own application software and other services.

A) ​Software as a service
B) ​Platform as a service
C) ​Infrastructure as a service
D) ​Application as a service

Question 79

In a three-layer architecture, the ____________________ layer manages stored data, usually in databases.

Question 80

​____________________ extends HTML to describe the structure, format, and content of documents.