IP Addressing Class Quiz
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Questions and Answers

What is the maximum number of networks that can be defined in Class C addressing?

  • 2,097,152 (correct)
  • 16,384
  • 65,534
  • 254

How many hosts can a Class B network accommodate?

  • 65,534 (correct)
  • 16,777,214
  • 126
  • 254

Which class is not designed for hosts in the addressing scheme?

  • Class D (correct)
  • Class C
  • Class B
  • Class A

What is the classful addressing scheme used for?

<p>Identification of network classes (D)</p> Signup and view all the answers

Which address range corresponds to Class A?

<p>0.0.0.0 to 127.255.255.255 (C)</p> Signup and view all the answers

What is the total number of hosts in a Class C network?

<p>254 (C)</p> Signup and view all the answers

What is the main limitation of the classful addressing scheme?

<p>It leads to inefficient allocation of address space (D)</p> Signup and view all the answers

What does the prefix /24 indicate in a network class?

<p>254 hosts (B)</p> Signup and view all the answers

What does the 1's in a subnet mask represent?

<p>Network bits (B)</p> Signup and view all the answers

Which type of subnetting uses a fixed subnet mask for all subnets?

<p>Fixed Length Subnet Masking (FLSM) (A)</p> Signup and view all the answers

What is a disadvantage of Fixed Length Subnet Masking (FLSM)?

<p>It may lead to wastage of IP address space. (A)</p> Signup and view all the answers

How does Variable Length Subnet Masking (VLSM) minimize IP wastage?

<p>By allowing subnets to have different sizes. (D)</p> Signup and view all the answers

What prompted the development of Classless Inter-Domain Routing (CIDR)?

<p>The exponential growth of the internet and concerns over routing table sizes. (B)</p> Signup and view all the answers

What concept replaces traditional Class A, B, and C addresses in the CIDR model?

<p>Network-prefix (D)</p> Signup and view all the answers

What is one of the main concerns regarding the global Internet's routing system?

<p>Rapid growth in the size of routing tables. (B)</p> Signup and view all the answers

What is a primary feature of the CIDR model?

<p>It uses a bit mask to represent routing information. (B)</p> Signup and view all the answers

What is a primary function of a database server?

<p>To deliver database services to client systems (B)</p> Signup and view all the answers

Which of the following statements about database servers is true?

<p>Database servers are often used by large organizations to manage data. (D)</p> Signup and view all the answers

Which of the following is an example of a database management system?

<p>SAP HANA (C)</p> Signup and view all the answers

What is a key feature of DB2 designed by IBM?

<p>It has NoSQL capabilities and can read JSON and XML. (B)</p> Signup and view all the answers

Which of the following best characterizes Oracle database software?

<p>It is an object-relational database management system. (A)</p> Signup and view all the answers

What does SAP HANA primarily support?

<p>OLTP, OLAP, and SQL (D)</p> Signup and view all the answers

What advantage does SolarWinds Database Performance Analyzer provide?

<p>It enhances the performance of SQL query analysis and tuning. (B)</p> Signup and view all the answers

Which characteristic makes database servers preferable to file servers?

<p>Database servers manage data more efficiently for frequent processing. (A)</p> Signup and view all the answers

Which type of server acts as a 'virtual post office'?

<p>Mail server (B)</p> Signup and view all the answers

What distinguishes dedicated servers from regular personal computers?

<p>Dedicated servers are optimized for specific tasks and often have enhanced configurations. (C)</p> Signup and view all the answers

Which of the following is NOT a type of server mentioned?

<p>Network server (B)</p> Signup and view all the answers

Why is fault tolerance important for servers?

<p>To ensure clients can function correctly and reliably. (D)</p> Signup and view all the answers

What service do proxy servers typically provide?

<p>Acting as an intermediary for requests from clients seeking resources. (B)</p> Signup and view all the answers

Which type of server is specifically designed to provide applications to users?

<p>Application server (D)</p> Signup and view all the answers

What is a common reason for using cloud servers?

<p>To allow centralized access to files and applications over the internet. (B)</p> Signup and view all the answers

What principle does Rule 11 emphasize in relation to distributed databases?

<p>End-users should perceive data as being located at a single site. (D)</p> Signup and view all the answers

What describes a field in a database table?

<p>It represents specific information about every record. (B)</p> Signup and view all the answers

Which of the following statements best defines a record in a database?

<p>It is also called a row and contains specific data for an individual entry. (C)</p> Signup and view all the answers

What does Rule 12 aim to ensure in a database system?

<p>Security and integrity constraints must not be bypassed via the interface. (C)</p> Signup and view all the answers

What is the significance of NULL values in a database table?

<p>They indicate the presence of an entry but with no associated data. (B)</p> Signup and view all the answers

In an RDBMS, what does entity integrity ensure?

<p>No duplicate rows are present in a table. (A)</p> Signup and view all the answers

Which best describes a column in a database table?

<p>It stores data related to all records in a table. (A)</p> Signup and view all the answers

What is the primary function of tables in an RDBMS?

<p>To organize data into structured formats with rows and columns. (D)</p> Signup and view all the answers

What is an IP address primarily used for in a network?

<p>Designating the specific location of a device on the network (D)</p> Signup and view all the answers

Which class of IP addresses is typically used for large networks?

<p>Class A (A)</p> Signup and view all the answers

What is the primary difference between private and public IP addresses?

<p>Public IP addresses can be routed over the internet, while private ones cannot (C)</p> Signup and view all the answers

Which type of subnetting allows for variable-sized subnets?

<p>CIDR (C)</p> Signup and view all the answers

What does VLSM stand for in the context of IP addressing?

<p>Variable Length Subnet Masking (C)</p> Signup and view all the answers

In CIDR notation, how is an IP address represented?

<p>As a 32-bit binary number followed by a prefix length (C)</p> Signup and view all the answers

What is the role of subnetting in IP addressing?

<p>To improve performance by reducing network congestion (D)</p> Signup and view all the answers

What is the 1st section of the learning objectives for IP addressing concerning?

<p>Concept of IP Address (D)</p> Signup and view all the answers

Flashcards

IPv4 Address

A unique numerical label assigned to devices participating in an IPv4 network.

IP Address

A numerical identifier assigned to each device on an IP network, specifying its location.

CIDR

Classless Inter-Domain Routing, a method to allocate IP addresses in a flexible way, using compressed notation.

VLSM

Variable Length Subnet Masking, a method for allocating IP addresses efficiently.

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Special IPv4 Addresses

Specific IP addresses with special significance, like loopback addresses, broadcast addresses.

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Subnetting

The process of dividing a large network into smaller networks.

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Public IP Address

An IP address assigned to a device that is accessible on the public internet.

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Private IP Address

An IP address used within a private network, not directly accessible from the public internet.

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Class A IP Address

An IP address with the first bit 0, allowing for a large network with many hosts, containing 126 networks and up to 16,777,214 host addresses.

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Class B IP Address

An IP address starting with 10, offering a medium-sized network with 16,384 networks and 65,534 hosts.

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Class C IP Address

An IP address starting with 110, providing a smaller network with 2,097,152 networks and 254 hosts.

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Class D IP Address

Multicast IP address; not for defining networks; range of 224.0.0.0 to 239.255.255.255

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Class E IP Address

Reserved for future use; not used for defining networks; range of 240.0.0.0 to 255.255.255.255

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Network Address

The address part of an IP address that designates the network to which a particular machine or device belongs.

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Host Address

The part of the IP address that identifies a particular device on a specific network.

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IP Addressing: VLSM & CIDR

Improved schemes for IP address allocation compared to the classful addressing to allocate addresses more efficiently.

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Subnet Mask

A 32-bit number that defines the network and host portions of an IP address. It helps determine how many devices can be on a network.

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IP Address Wastage

The scenario where a subnetting method allocates more IP addresses than needed, leading to unused IP addresses.

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Why is VLSM better than FLSM?

VLSM is more efficient than FLSM because it allows for different subnet sizes, minimizing wasted IP addresses.

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What was the problem with traditional IP addressing?

Traditional IP addressing (Class A, B, and C) struggled to scale with the growing internet, resulting in inefficient use of IP addresses and large routing tables.

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Server's role

A server provides essential services and features to other computers on the network, enabling tasks like browsing websites, checking emails, and communicating with other users.

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Database server

A server that manages a database, allowing other computers to access, retrieve, and store data.

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File server

A server that provides centralized storage and access to files for users on the network.

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Web server

A server that delivers web pages to web browsers, making websites accessible.

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Mail server

A server that acts as a virtual post office, storing and delivering emails to users upon request.

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Application server

A server that provides the necessary environment to run or develop applications.

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Dedicated servers

Servers specifically designed and configured for high performance network tasks, typically with features like high-capacity RAM, faster processors, and multiple hard drives.

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Server reliability

Servers are designed to stay online constantly, and use redundant systems to minimize downtime and ensure consistent service delivery.

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Client-Server Network Model

A network architecture where client systems request data or services from a dedicated server, such as a database server.

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Why do large organizations use database servers?

Large organizations use database servers to manage and access large amounts of data efficiently. They often need to process and analyze data frequently, making a dedicated server essential.

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Database Management System (DBMS)

Software that manages databases, providing tools for creating, storing, accessing, and manipulating data. Examples include Oracle, SQL Server, and MySQL.

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SAP HANA

A database server developed by SAP SE, designed to handle both SAP and non-SAP data. It supports different data operations (OLTP, OLAP, SQL) and can interact with various applications.

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DB2

A database server developed by IBM, known for its NoSQL capabilities. It can read JSON and XML files and primarily serves IBM's iSeries servers, but also supports other platforms like Linux, UNIX, and Windows.

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SolarWinds Database Performance Analyzer

A software tool that helps analyze, tune, and monitor the performance of SQL queries. It's designed to optimize database performance and improve efficiency.

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Oracle

A popular object-relational database management system, known for its scalability and reliability. It has a long history and its latest version is 12c (12 Cloud Computing).

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Distribution Independence

This rule ensures users perceive a distributed database as a single, unified system, regardless of its physical location. Users should never be aware of data scattered across multiple locations.

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Non-Subversion Rule

Systems providing low-level access to data (e.g., direct record manipulation) must not allow bypassing security and integrity rules. This safeguards the database's consistency and security.

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What are tables in RDBMS?

Tables are the core data structures in RDBMS, organizing data into rows (records) and columns (fields) for efficient storage and retrieval. Each table represents a specific entity with its own primary key.

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What are fields in a table?

Fields represent specific attributes within a table. Each row contains values for the fields, holding detailed information about individual records.

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What are records in a table?

Records represent individual entries in a table. Each row represents a complete record, containing information about a specific item or entity.

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What are NULL values in a table?

NULL values represent the absence of data in a field. They are distinct from zero or empty spaces and signify that no value has been assigned to that field.

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What is Entity Integrity?

Entity integrity ensures that each record (row) in a table is unique. This prevents duplication of information and maintains consistency within the database.

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Study Notes

Index

  • JTO Ph-II DNIT
  • JTO PH - 2 (DNIT)
  • IP addressing, VLSM & CIDR, page 2
  • Server implementation (Web, FTP, Database), page 12
  • DBMS (MySql, Oracle), page 32
  • Cyber Attacks, page 45
  • HTML and CSS, page 56
  • Role of IT in Digital Marketing in present scenario, page 124

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JTO Ph-II DNIT Datacom IT PDF

Description

Test your knowledge on classful IP addressing! This quiz covers various aspects of Class A, B, and C addressing schemes, including networks and host capacities. Determine your understanding of the limitations of classful addressing and more.

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