A proxy server keeps copies of responses to

NETWORKING - APPLICATION LAYER MCQ

• Which of the following is an application layer service?
• Mail services are available to network users through the _______ layer.
• The protocol data unit (PDU) for the application layer in the Internet stack is
• What is the maximum size of data that the application layer can pass on to the TCP layer below?
• Which one of the following statements is NOT correct about HTTP cookies?
• Application is the ____layer in OSI model
• You have sent a file from Host A to Host B, in which format that file will be received at Application layer?
• Application layer is _____ level layer in OSI model
• The Application layer defined in OSI model as a __________responsible for displaying received information from the user.
• Application layer is also said to be a _______layer
• The Application layer in OSI is implemented in
• Application developer has permission to decide the following on transport layer side
• Application layer offers _______ service
• E-mail is
• Which of the following is an application layer service ?
• This is a time-sensitive service
• _______ is the standard mechanism provided by TCP/IP for copying a file from one host to another.
• FTP uses the services of ________.
• In FTP, the well-known port ____ is used for the control connection and the well-known port ________ for the data connection.
• In FTP, _______ is the service type used by the IP protocol because this is an interactive connection between a user (human) and a server.
• For the control connection, FTP uses the __________ character set.
• During an FTP session the control connection is opened _______.
• During an FTP session the data connection is opened _______.
• In FTP, a file can be organized into records, pages, or a stream of bytes. These are types of an attribute called _______.
• In FTP, there are three types of _______: stream, block, and compressed.
• In FTP, ASCII, EBCDIC, and image define an attribute called _______.
• In FTP, when we _______, it is copied from the server to the client.
• In FTP, when we _______, it is copied from the client to the server.
• When the sender and the receiver of an email are on the same system, we need only ___________.
• When the sender and the receiver of an email are on different systems, we need only _____________.
• When the sender is connected to the mail server via a LAN or a WAN, we need ______________.
• When both sender and receiver are connected to a mail server via a LAN or a WAN, we need ___________________.
• ________ provides service to the user to make the process of sending and receiving a message easier.
• Which of the following services is not provided by a UA?
• There are two types of user agents: _________ and ___________.
• The ________ usually contains the sender address, the receiver address, and other information.
• The message contains the ________ and the __________.
• In the Internet, the email address consists of two parts: a _______ and a _______.
• The actual mail transfer is done through ____________.
• The formal protocol that defines the MTA client and server in the Internet is called ___________.
• The process of transferring a mail message occurs in ________ phases.
• SMTP is a __________protocol.
• The third stage in an email transfer needs a ________ protocol.
• The third stage in an email transfer uses a(n) ________ protocol.
• Currently two message access protocols are available: _______ and _________.
• Which part of the mail created by the UA contains the sender and receiver names?
• The MIME _______ header uses text to describe the type of data in the body of the message.The MIME _______ header uses text to describe the type of data in the body of the message.
• _______ is more powerful and complex than _______.
• A cookie is made by the ________ and eaten by the _________.
• The documents in the WWW can be grouped into ______ broad categories.
• A _______ document is a fixed-content document that is created and stored in a server. The client can get a copy of the document only.
• _____________ is a language for creating Web pages.
• A _______ document is created by a Web server whenever a browser requests the document.
• ___________ is a technology that creates and handles dynamic documents.
• Dynamic documents are sometimes referred to as _________ dynamic documents.
• For many applications, we need a program or a script to be run at the client site. These are called _______________ documents.
• One way to create an active document is to use __________.
• Active documents are sometimes referred to as _________ dynamic documents.
• In a ___________ connection, one TCP connection is made for each request/response.
• In a ___________connection, the server leaves the connection open for more requests after sending a response.
• A user needs to send the server some information. The request line method is _______.
• An applet is _______ document application program.
• What is the port number of the FTP ?
• To let the client know about the type of document sent, a CGI program creates
• An applet is a program written in Java on the
• Hyper Text Transfer Protocol (HTTP) support
• To create the Web Pages we use a term, called
• A browser can retrieve and run an HTML file that has embedded the address of
• Nontextual information such as digitized photos or graphic images is not a physical part of an
• The documents in the WWW can be grouped into three broad categories
• To use proxy server, the client must be configured to access the proxy instead of the
• The protocol is the client-server program used to retrieve the
• The language used for writing active documents is
• The documents that are created and stored in a server as a Fixed Content are called
• In Hypertext transaction, the formats of the request and response messages are
• In Hypertext Transaction, the term CONNECT is used for
• In WWW and HTTP, a technology that creates and handles dynamic documents is called
• A program or a script to be run at the client site are called
• In World Wide Web (WWW), an electronic store (e-commerce) can use a cookie for its
• The HTTP uses a TCP connection to
• HTML stands for
• A Web page is made up of two parts
• The Uniform Resource Locator (URL), is a standard for specifying any kind of information on the
• The World Wide Web (WWW), was originally designed as a
• The Webpages are stored at the
• The Uniform Resource Locator (URL), defines four things: protocol, host computer, port and
• The Hypertext Transfer Protocol (HTTP) uses the services of TCP on
• In Uniform Resource Locator (URL), path is the pathname of the file where the information is
• The Hypertexts are documents linked to one another through the concept of
• An HTTP message is similar in form to an
• The Hypertext Markup Language (HTML) is a language for creating
• The proxy server reduces the load on the
• A proxy server keeps copies of responses to
• When a client sends a request to a server, the browser looks for it in the
• In Architecture, to improve efficiency, servers normally store requested files in a cache in
• Dynamic documents are sometimes referred to as

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