GMU IT 105 Final Exam Questions and
Answers 100% Pass | Verified and
Approved 2024/2025
The OSI model defines four layers used by computer systems to
communicate over a network - ✔✔False
Random access files are the same as relative access files. - ✔✔True
In computer hardware, a port is simply a connector at the end of a bus into
which a device can be plugged - ✔✔True
The operating system provides I/O support services that can be used by
every program. - ✔✔True
The wiring on the motherboard interconnects all of the peripheral cards that
are plugged in to connectors, together with circuitry that steers I/O to the
CPU and memory. This arrangement is known as a: - ✔✔Backplane
A channel that carries messages in only one direction is known as a duplex
channel. Page (256), simplex, half-duplex, full-duplex - ✔✔False
, A full-duplex channel may carry messages in both directions, but only one
direction at a time. - ✔✔False
An Intranet is an organizational network, where the user interfaces and
applications are based primarily on Web services. - ✔✔True
Ethernet is called the Carrier Sense Multiple Access with Collision
Detection (CSMA/CD) protocol. - ✔✔True
Ports are used in the Transport layer to identify the application that is to
receive the message. - ✔✔True
There must be a way to break long messages into smaller units. These
units are called segments - ✔✔False
The use of packets simplifies operations and increases communication
efficiency. - ✔✔True
Packet switching is also called datagram switching. - ✔✔True
Multimedia applications require relatively few MIPS (Million Instructions Per
Second). - ✔✔False
Client-server computing typically provides easier administration of services.
- ✔✔True
A Cluster typically provides high availability and fault tolerance. - ✔✔True
Answers 100% Pass | Verified and
Approved 2024/2025
The OSI model defines four layers used by computer systems to
communicate over a network - ✔✔False
Random access files are the same as relative access files. - ✔✔True
In computer hardware, a port is simply a connector at the end of a bus into
which a device can be plugged - ✔✔True
The operating system provides I/O support services that can be used by
every program. - ✔✔True
The wiring on the motherboard interconnects all of the peripheral cards that
are plugged in to connectors, together with circuitry that steers I/O to the
CPU and memory. This arrangement is known as a: - ✔✔Backplane
A channel that carries messages in only one direction is known as a duplex
channel. Page (256), simplex, half-duplex, full-duplex - ✔✔False
, A full-duplex channel may carry messages in both directions, but only one
direction at a time. - ✔✔False
An Intranet is an organizational network, where the user interfaces and
applications are based primarily on Web services. - ✔✔True
Ethernet is called the Carrier Sense Multiple Access with Collision
Detection (CSMA/CD) protocol. - ✔✔True
Ports are used in the Transport layer to identify the application that is to
receive the message. - ✔✔True
There must be a way to break long messages into smaller units. These
units are called segments - ✔✔False
The use of packets simplifies operations and increases communication
efficiency. - ✔✔True
Packet switching is also called datagram switching. - ✔✔True
Multimedia applications require relatively few MIPS (Million Instructions Per
Second). - ✔✔False
Client-server computing typically provides easier administration of services.
- ✔✔True
A Cluster typically provides high availability and fault tolerance. - ✔✔True
