comp 3271 lession 1

In data communication, what characteristic is affected when there are variable delays in the delivery of packets?

Which of the following is NOT a component of a data communications system?

If a data communication system is operating in simplex mode, what is true of the communication?

Two devices are communicating in half-duplex mode. Which statement is correct?

What are the three main criteria necessary for an effective and efficient network?

Which of the following is the BEST description of 'transit time' in the context of network performance?

Which aspect of network reliability is concerned with how well a network withstands catastrophic events?

What considerations are part of network security?

What is the primary difference between a point-to-point and a multipoint connection?

Which physical topology connects each device to a central hub or switch?

Which network topology requires each device to have a direct connection to every other device in the network?

In which type of network topology does every device connect to a common cable, creating a single line for data transmission?

What is a key characteristic of a ring topology?

Which of the following best describes a Local Area Network (LAN)?

What is the key characteristic of a Wide Area Network (WAN)?

What defines a point-to-point WAN?

What is a distinguishing feature of a switched WAN?

What is the fundamental characteristic of an internetwork (or internet)?

How does a typical user access the Internet?

What is the role of a protocol in data communication?

What is the first principle of protocol layering?

What does the second principle of protocol layering dictate?

The TCP/IP protocol suite comprises of how many layers?

Which layer in the TCP/IP protocol suite is responsible for carrying individual bits in a frame across the link?

Which layer of the TCP/IP protocol suite is responsible for host-to-host communication?

Which layer is responsible for process-to-process communication using the TCP/IP model?

What is the primary function of the data link layer in the TCP/IP model?

Which of the following statements accurately compares the TCP/IP model with the OSI model?

What is a key difference between the OSI model and the TCP/IP protocol suite?

What is the role of the International Organization for Standardization (ISO) in the context of network communication?

Which of the following is NOT among the reasons for the lack of success of the OSI model in replacing the TCP/IP protocol suite?

When referring to the Internet, what distinguishes the term 'internet' (lowercase i) from 'Internet' (uppercase I)?

When accessing the internet what options do residences and small businesses have?

How can large organizations connect directly to the Internet?

What is represented by images?

What is represented by text?

What is represented by numbers?

How is Audio represented in Networks?

In data communication, what is the primary role of the 'sender' component?

Which component of a data communication system establishes and governs the rules for data exchange?

What is a key characteristic of full-duplex communication?

In the context of network criteria, which of the following describes the 'performance' aspect?

Which of the following is a critical component when assessing 'reliability' in a network?

What is the significance of 'security' as a network criterion?

How does a point-to-point connection differ from a multipoint connection?

In a mesh topology, what happens to the number of connections as more devices are added?

Which topology relies on a central device, like a switch or hub, to manage and direct network traffic?

What is a potential disadvantage of a bus topology?

How are devices connected in a ring topology, forming a closed loop?

What is the primary characteristic that defines a Local Area Network (LAN)?

Which type of network is characterized by its wide geographical span, potentially covering a country or even the world?

How does a 'switched' WAN differ from a point-to-point WAN?

What term describes a network created when two or more networks are connected?

What is a common way for residences and small businesses to connect to the Internet?

What is a typical method used by large organizations to achieve a direct connection to the Internet?

In protocol layering, what principle ensures that each layer performs two opposite tasks in each direction?

According to the principles of protocol layering, what characteristic should be shared by 'two objects under each layer'?

Within the TCP/IP protocol suite, which layer is primarily responsible for the reliable and sequential transmission of data between applications?

According to the TCP/IP model, which layer handles the actual transmission of bits across a physical link?

Within the TCP/IP model, what is the main function of the Network Layer?

Process-to-process communication is handled within which layer of the TCP/IP protocol suite?

What role does the Data Link Layer play in the TCP/IP model?

Which layer in the OSI model is responsible for establishing, managing, and terminating sessions between applications?

What does the Presentation Layer in the OSI model primarily manage?

What is one reason often cited for the OSI model's failure to achieve widespread adoption compared to the TCP/IP protocol suite?

In networking, what differentiates an 'internet' (lowercase i) from the global 'Internet' (uppercase I)?

Why is protocol layering important in data communication?

Which consideration determines the appropriate choice between Simplex, Half-Duplex and Full-Duplex in communication?

What must a network achieve to meet its basic criteria?

Which consideration does the physical structure of the network pertain to?

What is a basic function of a network?

What key feature separates a LAN from a WAN?

What forms the basis of internetwork?

If you wanted to send audio across the network, how must it be represented?

What data representations are commonly used for images on Networks?

What data representations are commonly used for text on Networks?

What data representations are commonly used for Numbers on Networks?

In a scenario where data is communicated from a server to a monitor, which data flow type is MOST appropriate?

Consider a network designed for a hospital where patient monitoring systems must transmit critical data reliably and catastrophe events must be withstood. Which of the following network criteria are MOST crucial?

If organization A uses a point-to-point WAN to connect to organization B, and organization C requires access to both A and B, how can organization C BEST establish connections?

In a scenario where Maria and Ann need to communicate sensitive information, they decide to use a three-layer protocol. What could be the MOST probable function of the second layer in their protocol?

Why was the OSI model ultimately not as successful as the TCP/IP protocol suite?