What are network clients?

A) Computers and software that allow users to request resources

C) Hardware components of a network

What is a Local Area Network (LAN)?

B) A network in a single location

A) A network that spans multiple locations

C) A network that connects to the internet

D) A network that uses wireless technology

What is typically owned and operated by the company or organization using the LAN?

B) The equipment and cabling used on a LAN

What are companies that operate national telephone networks called?

Telecommunications companies or telcos

Internet Service Providers (ISP)

What is the main function of an adapter in a network?

To transmit and receive signals between the host and network media

To provide power to the network

To connect the network to the internet

What does a network protocol do?

It identifies each host on the network using a unique address

It provides power to the network

It connects the network to the internet

Who performed the original research underpinning TCP/IP in the late 1960s and early 1970s?

Advanced Research Projects Agency (ARPA)

National Aeronautics and Space Administration (NASA)

International Business Machines Corporation (IBM)

What is the main function of a router in a packet switching network?

To forward information to another computer

To open a direct channel known as a circuit

To stop communication immediately

To build a network of military sites

What does a packet switching protocol do if transmission lines are damaged or if a router fails to respond?

Re-routes data packets using any available network path

Sends an error message to the user

Waits for the line to be repaired

What is the primary benefit of utilizing TCP/IP?

It is widely supported and is the primary protocol of the Internet and the World Wide Web.

It is the fastest protocol available.

It is the most secure protocol.

It is the cheapest protocol to implement.

What does the TCP/IP model consist of?

Four layers with defined functions.

Three layers with undefined functions.

Five layers with undefined functions.

Two layers with defined functions.

What is an example of an internetworking system as described in the text?

A packet being sent from Network A to Network D via Network C.

A packet being sent from Network A to Network B directly.

A packet being sent from Network A to Network D via Network B.

A packet being sent from Network A to Network C directly.

Which layer is responsible for putting frames onto the physical network?

Link or Network Interface layer

What is the main protocol in the TCP/IP suite responsible for logical addressing and routing of packets between hosts and networks?

Address Resolution Protocol (ARP)

Internet Control Message Protocol (ICMP)

Transport Control Protocol (TCP)

Which protocol is used for hardware address resolution?

Address Resolution Protocol (ARP)

Internet Control Message Protocol (ICMP)

Which protocol sends messages and reports on errors regarding packet delivery?

Internet Control Message Protocol (ICMP)

Address Resolution Protocol (ARP)

Transport Control Protocol (TCP)

Which transport protocol provides connection-oriented delivery?

Transport Control Protocol (TCP)

Address Resolution Protocol (ARP)

Which transport protocol provides connectionless delivery?

Transport Control Protocol (TCP)

Internet Control Message Protocol (ICMP)

Which layer contains protocols that provide the communications formats for exchanging data between hosts?

Link or Network Interface layer

What is the primary function of the Internet Protocol (IP)?

To provide packet delivery for all higher-level protocols

To provide a secure connection between hosts

To ensure packets are delivered in sequence

To encrypt data for secure transmission

What does the 'Time to Live' (TTL) field in an IP packet represent?

The number of seconds a datagram is allowed to stay on the network

The number of hops a packet can make

What is the purpose of the 'Checksum' field in an IP packet?

To verify the packet's integrity upon arrival at the destination

To identify the destination of the datagram

To indicate whether the data should be passed to UDP or TCP

To determine the time spent in the router

How is an IP address typically expressed to make it easier to enter in configuration dialogs?

As four decimal numbers separated by periods

What does an IP address encode?

Both the network number and the host number

Neither the network number nor the host number

What is the purpose of a network prefix length or subnet mask?

To identify the network portion of the IP address

To identify the host portion of the IP address

What does the prefix /8 in a network prefix represent?

Eight binary ones followed by 24 binary zeros

Eight binary zeros followed by 24 binary ones

Eight decimal ones followed by 24 decimal zeros

Eight decimal zeros followed by 24 decimal ones

What is a frame in the context of network communication?

A unit of data at the physical/data link layer

What is the addressing method used at the data link layer called?

Media Access Control (MAC) address

How is a MAC address typically expressed?

As a 48-bit value in hex notation

As a 64-bit value in decimal notation

As a 128-bit value in binary notation

What is the purpose of the Address Resolution Protocol (ARP)?

To resolve IP addresses to MAC addresses

To check for errors in data transmission

GCubed - ITF+ Mod 4 Part 1a

Authored by Pat Johnson

Computers

12th Grade

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GCubed - ITF+ Mod 4 Part 1a

Which of the following is a component of computer networks?

The correct component of computer networks is a Router. Routers are devices that forward data packets between computer networks, allowing communication between devices on different networks.

What is one of the objectives of learning networking concepts?

One of the objectives of learning networking concepts is to describe the components and functions of computer networks.

Which protocol is used for email retrieval?

The correct protocol used for email retrieval is POP3.

What does DNS stand for?

DNS stands for Domain Name System, which is the correct choice among the options provided.

Which of the following is a basic protocol used in networking?

The correct choice is HTTP because it is a basic protocol used in networking for communication between web servers and clients.

What is a network?

A network is defined as two or more computer systems linked together, making choice B the correct answer.

What is the purpose of a network?

The purpose of a network is to provide services or resources to its users, making option B the correct choice.

What are network clients?

Network clients are computers and software that allow users to request resources, making option A the correct choice.

What is a Local Area Network (LAN)?

A Local Area Network (LAN) is a network in a single location, making option B the correct choice.

What is typically owned and operated by the company or organization using the LAN?

The equipment and cabling used on a LAN are typically owned and operated by the company or organization using the LAN.

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