CISS: Operating Systems 301 Final Study Guide With
Complete Solutions
Chapter 9: - ANSWER ...
A ________ is a collection of loosely coupled processors interconnected by communication links
using cables, wireless technology, or a combination of both. - ANSWER network
A common goal of all networked systems is to _____. - ANSWER provide a convenient way to
share resources while controlling users' access to them
The _____ provides good control for distributed computing systems, and allows their resources
to be accessed in a unified way. - ANSWER distributed operating system
_____ represents a total view across multiple computer systems for controlling and managing
resources without local dependencies; and management is a cooperative process that
encompasses every resource and involves every site. - ANSWER Distributed operating system
_____ is the software that manages network resources for a node on a network, and may
provide security and access control. - ANSWER Network operating system (NOS)
A distributed operating system must provide _____ - ANSWER 1) process or object
management
,2) memory management
3) file management
4) device management
5) network management,
Sites in any networked system can be physically or logically connected to one another in a
certain _____, the geometric arrangement of connections (cables, wireless, or both) that link
the nodes. - ANSWER topology
A distributed operating system offers several important advantages over older operating
systems and NOSs, including easy and reliable resource sharing, faster computation, adequate
load balancing, good reliability, and dependable electronic communications among the net-
work's users.
True
False - ANSWER True
In each topology, there are trade-offs among the need for _____ - ANSWER 1) fast
communication among all sites
,2) the tolerance of failure at a site or communication link
3) the cost of long communication lines
4) the difficulty of connecting one site to a large number of other sites.
_____ is the expense required to link the various sites in the system - ANSWER Basic cost
_____ is the time required to send a message from one site to another. - ANSWER
Communications cost
_____ the assurance that many sites can still communicate with each other even if a system link
or site fails. - ANSWER Reliability
_____ is the critical parameters that the network must meet to be a successful business
investment. - ANSWER User environment
A _____ topology, sometimes called a hub or centralized topology, is a traditional approach to
interconnecting devices in which all transmitted data must pass through a central controller
when going from a sender to a receiver. - ANSWER star
In the _____ topology, all sites are connected to each other in a closed loop, with the first site
connected to the last. - ANSWER ring
, A ring network can connect to other networks via the bridge or gateway, depending on the
_____ used by each network. - ANSWER protocol
The _____ is the specific set of rules used to control the flow of messages through the network.
- ANSWER protocol
If the other network has the same protocol, then a _____ is used to connect the networks. -
ANSWER bridge
If the other network has a different protocol, a _____ is used. - ANSWER gateway
In the _____ topology all sites are connected to a single communication line running the length
of the network. - ANSWER bus
In a bus topology, messages from any site _____. - ANSWER circulate in both directions
through the entire communication line and can be received by all other sites
Because all sites share a common communication line, only one of them can successfully send
messages at any one time. Therefore, a _____ is needed to prevent collisions. - ANSWER
control mechanism
In a bus, if the data reaches an end point controller without being accepted by a host, the end
Complete Solutions
Chapter 9: - ANSWER ...
A ________ is a collection of loosely coupled processors interconnected by communication links
using cables, wireless technology, or a combination of both. - ANSWER network
A common goal of all networked systems is to _____. - ANSWER provide a convenient way to
share resources while controlling users' access to them
The _____ provides good control for distributed computing systems, and allows their resources
to be accessed in a unified way. - ANSWER distributed operating system
_____ represents a total view across multiple computer systems for controlling and managing
resources without local dependencies; and management is a cooperative process that
encompasses every resource and involves every site. - ANSWER Distributed operating system
_____ is the software that manages network resources for a node on a network, and may
provide security and access control. - ANSWER Network operating system (NOS)
A distributed operating system must provide _____ - ANSWER 1) process or object
management
,2) memory management
3) file management
4) device management
5) network management,
Sites in any networked system can be physically or logically connected to one another in a
certain _____, the geometric arrangement of connections (cables, wireless, or both) that link
the nodes. - ANSWER topology
A distributed operating system offers several important advantages over older operating
systems and NOSs, including easy and reliable resource sharing, faster computation, adequate
load balancing, good reliability, and dependable electronic communications among the net-
work's users.
True
False - ANSWER True
In each topology, there are trade-offs among the need for _____ - ANSWER 1) fast
communication among all sites
,2) the tolerance of failure at a site or communication link
3) the cost of long communication lines
4) the difficulty of connecting one site to a large number of other sites.
_____ is the expense required to link the various sites in the system - ANSWER Basic cost
_____ is the time required to send a message from one site to another. - ANSWER
Communications cost
_____ the assurance that many sites can still communicate with each other even if a system link
or site fails. - ANSWER Reliability
_____ is the critical parameters that the network must meet to be a successful business
investment. - ANSWER User environment
A _____ topology, sometimes called a hub or centralized topology, is a traditional approach to
interconnecting devices in which all transmitted data must pass through a central controller
when going from a sender to a receiver. - ANSWER star
In the _____ topology, all sites are connected to each other in a closed loop, with the first site
connected to the last. - ANSWER ring
, A ring network can connect to other networks via the bridge or gateway, depending on the
_____ used by each network. - ANSWER protocol
The _____ is the specific set of rules used to control the flow of messages through the network.
- ANSWER protocol
If the other network has the same protocol, then a _____ is used to connect the networks. -
ANSWER bridge
If the other network has a different protocol, a _____ is used. - ANSWER gateway
In the _____ topology all sites are connected to a single communication line running the length
of the network. - ANSWER bus
In a bus topology, messages from any site _____. - ANSWER circulate in both directions
through the entire communication line and can be received by all other sites
Because all sites share a common communication line, only one of them can successfully send
messages at any one time. Therefore, a _____ is needed to prevent collisions. - ANSWER
control mechanism
In a bus, if the data reaches an end point controller without being accepted by a host, the end
