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Which of the following is TRUE of client server systems?
Clients provide services to servers.
Clients must understand the detail of server processes.
Server process client requests.
Servers are always dedicated machines.
An employee uses their laptop at home to connect to a server at their work using a thin client RDP Internet connection. Which of the following is TRUE?
Applications run on the client.
Applications run on the server.
No data is transmitted to the server.
The laptop had no hard disk.
The physical topology of a network:
Determines how data is transferred between devices.
Describes and determines how nodes communicate with each other
Can change when different protocols are installed.
Describes how devices are physically connected to each other.
A break in a single cable is more significant when using a:
Physical ring or star topology.
Physical bus or star topology.
Physical mesh topology.
Physical ring or bus topology.
Multiple paths between nodes is a feature of:
Physical star topologies.
Physical mesh topologies.
Physical tree topologies.
Physical bus topologies.
On an Ethernet LAN each node is connected via UTP to a central hub. Which topology is being used?
Physical bus, logical star
Physical star, logical star.
Physical bus, logical bus.
Physical star, logical bus.
In regard topologies and the OSI model, which of the following is generally TRUE?
Physical topologies for WANs are determined at the data link layer and for WANs at the network layer.
Logical topologies for WANs are determined at the data link layer and for LANs at the network layer.
Physical topologies for WANs are determined at the date link layer and for LANs at the network layer.
Logical topologies for LANs are determined at the data link layer and for WANs at the network layer.
All nodes receive all transmissions at virtually the same time when using which logical topology?
What is a data collision?
A procedure used to ensure transmissions arrive at their destination on logical bus topologies
Corruption when a nodes starts receiving whilst it is still transmitting.
Corruption of messages due to multiple nodes transmitting simultaneously on the same communication channel.
A fault in the logical topology such that multiple nodes are able to transmit at the same time
Critical ring networks are said to be “self healing”, what does this mean?
Cables are able to repair themselves when broken.
Two or more physical rings are installed.
Each node contains redundant components that take over should the primary component fail.
Data traffic can be automatically diverted around faults.
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