Internet Security

MCQ Problems / Explanations

The WWW today is a _______ client-server service, in which a client using a browser can access a service using a se...

Last updated: Wed, 26 Nov

In HTTP, the first line in a request message is called a _______ line; the first line in the response message is ca...

Last updated: Wed, 26 Nov

HTTP version 1.1 specifies a _________connection by default.

Last updated: Wed, 26 Nov

In a URL, the ______ is the computer on which the information is located.

Last updated: Wed, 26 Nov

In a URL, the _______ is the full name of the file where the information is located.

Last updated: Wed, 26 Nov

In a ___________ connection, one TCP connection is made for each request/response.

Last updated: Wed, 26 Nov

An HTTP request message always contains _______.

Last updated: Wed, 26 Nov

In a ___________connection, the server leaves the connection open for more requests after sending a response.

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The HTTP request line contains a _______ method to request a document from the server.

Last updated: Wed, 26 Nov

___________ is a technology that creates and handles dynamic documents.

Last updated: Wed, 26 Nov

_____________ is a language for creating Web pages.

Last updated: Wed, 26 Nov

The documents in the WWW can be grouped into ______ broad categories.

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An applet is _______ document application program.

Last updated: Wed, 26 Nov

In a URL, an optional ________ can be inserted between the host and the path, and it is separated from the host by ...

Last updated: Wed, 26 Nov

A response message always contains _______.

Last updated: Wed, 26 Nov

The HTTP request line contains a _______ method to get information about a document without retrieving the document...

Last updated: Wed, 26 Nov

In HTTP, a _______ server is a computer that keeps copies of responses to recent requests.

Last updated: Wed, 26 Nov

For many applications, we need a program or a script to be run at the client site. These are called _______________...

Last updated: Wed, 26 Nov

Dynamic documents are sometimes referred to as _________ dynamic documents.

Last updated: Wed, 26 Nov

HTTP uses the services of _________ on well-known port 80.

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Active documents are sometimes referred to as _________ dynamic documents.

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_________ is a repository of information linked together from points all over the world.

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The _________ is a standard for specifying any kind of information on the Internet.

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A _______ document is a fixed-content document that is created and stored in a server. The client can get a copy of...

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A cookie is made by the and eaten by the _.

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One way to create an active document is to use __________.

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A _______ document is created by a Web server whenever a browser requests the document.

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In a URL, the _______ is the client-server program used to retrieve the document.

Last updated: Wed, 26 Nov

A user needs to send the server some information. The request line method is _______.

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In PGP, to exchange e-mail messages, a user needs a ring of _______ keys.

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A _______ layer security protocol provides end-to-end security services for applications.

Last updated: Wed, 26 Nov

_______ provide security at the transport layer.

Last updated: Wed, 26 Nov

______ is designed to provide security and compression services to data generated from the application layer.

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IPSec in the ______ mode does not protect the IP header.

Last updated: Wed, 26 Nov

A ______ provides privacy for LANs that must communicate through the global Internet.

Last updated: Wed, 26 Nov

The combination of key exchange, hash, and encryption algorithms defines a ________ for each SSL session.

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__ is actually an IETF version of _.

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An ________ is a private network that uses the Internet model.

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IPSec uses a set of SAs called the ________.

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IKE uses _______.

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_________ is a collection of protocols designed by the IETF (Internet Engineering Task Force) to provide security f...

Last updated: Wed, 26 Nov

An _________ is a network that allows authorized access from outside users.

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The Internet authorities have reserved addresses for _______.

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A _______network is used inside an organization.

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______ is the protocol designed to create security associations, both inbound and outbound.

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In the ______ mode, IPSec protects information delivered from the transport layer to the network layer.

Last updated: Wed, 26 Nov

IKE is a complex protocol based on ______ other protocols.

Last updated: Wed, 26 Nov

One security protocol for the e-mail system is _________.

Last updated: Wed, 26 Nov

______ provides either authentication or encryption, or both, for packets at the IP level.

Last updated: Wed, 26 Nov

_________ operates in the transport mode or the tunnel mode.

Last updated: Wed, 26 Nov

Password-based authentication can be divided into two broad categories: _ and _.

Last updated: Wed, 26 Nov

__________ is a popular session key creator protocol that requires an authentication server and a ticket-granting s...

Last updated: Wed, 26 Nov

A hash function must meet ________ criteria.

Last updated: Wed, 26 Nov

_________ means that a sender must not be able to deny sending a message that he sent.

Last updated: Wed, 26 Nov

A(n) ______ is a hierarchical system that answers queries about key certification.

Last updated: Wed, 26 Nov

The _______ criterion states that it must be extremely difficult or impossible to create the message if the message...

Last updated: Wed, 26 Nov

In _______, a claimant proves her identity to the verifier by using one of the three kinds of witnesses.

Last updated: Wed, 26 Nov

In ________ authentication, the claimant proves that she knows a secret without actually sending it.

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Message ________ means that the sender and the receiver expect privacy.

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A(n) ________is a federal or state organization that binds a public key to an entity and issues a certificate.

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A digital signature needs a(n)_________ system.

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The _______criterion ensures that we cannot find two messages that hash to the same digest.

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Challenge-response authentication can be done using ________.

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A(n) _________ can be used to preserve the integrity of a document or a message.

Last updated: Wed, 26 Nov

To authenticate the data origin, one needs a(n) _______.

Last updated: Wed, 26 Nov

Digital signature cannot provide ________ for the message.

Last updated: Wed, 26 Nov

Digital signature provides ________.

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If _________ is needed, a cryptosystem must be applied over the scheme.

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A __ signature is included in the document; a _ signature is a separate entity.

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________ means to prove the identity of the entity that tries to access the system's resources.

Last updated: Wed, 26 Nov

A(n)______ creates a secret key only between a member and the center.

Last updated: Wed, 26 Nov

A _______ message digest is used as an MDC.

Last updated: Wed, 26 Nov

A witness used in entity authentication is ____________.

Last updated: Wed, 26 Nov

A(n) _____ is a trusted third party that assigns a symmetric key to two parties.

Last updated: Wed, 26 Nov

The ________ criterion ensures that a message cannot easily be forged.

Last updated: Wed, 26 Nov

The secret key between members needs to be created as a ______ key when two members contact KDC.

Last updated: Wed, 26 Nov

A(n) ________function creates a message digest out of a message.

Last updated: Wed, 26 Nov

Message _______ means that the receiver is ensured that the message is coming from the intended sender, not an impo...

Last updated: Wed, 26 Nov

Message_____ means that the data must arrive at the receiver exactly as sent.

Last updated: Wed, 26 Nov

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