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Connectivity devices such as hubs and repeaters operate at which layer?
Hubs and repeaters operate at the Physical Layer of the OSI Model. The Physical Layer is the first layer of the OSI Model.
Cabling issues are associated with which OSI layer?
layer 1, or the physical layer
What is a function of the distribution layer in the hierarchical design model?
provide connectivity between smaller local networks
What are design issues of transport layer?
A transport layer is the backbone of TCP/IP and the Internet. In this day and age, there are not design flaws in the system. The design of transport layer incorporates data stream with transmission.
Why are routers typically not interconnected at the distribution layer?
There are network stability issues when routing large amounts of network data traffic if the networks are fully or even partially meshed together
Which layer does the presentations layer issues commands to?
The Session layer
Which three command line utilities are most commonly used to troubleshoot issues at Layer 3?
ping, ipconfig, traceroute.
Layer 1 problems that can interrupt network connectivity What three issues represent Layer 1 problems?
layer 1 deal with physical connectivity of network device.Most common problems related to Layer 1 as follow: -device power off -device power unplugged -loose network cable connection -incorrect cable type -faulty network cable
At which layer of the OSI model does connectivity occur for EvDO solutions?
Layer 3
Which layers of the OSI Reference Model provides for inter network connectivity?
Network Layer
Which layer of the OSI reference model provide for internetwork connectivity?
network
Connectivity devices such as hubs and repeaters operate at which layer?
Hubs and repeaters operate at the Physical Layer of the OSI Model. The Physical Layer is the first layer of the OSI Model.
Which network design layer provides hosts with initial connectivity to the network?
distribution
You want to use the OSI reference model to troubleshoot a repeater Which OSI layer will you focus on?
Repeaters operate at the physical layer of the OSI model.
Define network security model and its layer?
The Open Systems Interconnection model which is developed by ISO in 1983 is used as a framework to explain networking basics and troubleshoot networking issues is called as Network Security Model. It is a seven layer model. Following are the 7 layers of Network Security ModelPhysicalVLANACLSoftwareUserAdministrativeIT Department
What are steps used for isolating problems at the network layer?
Identify a single pair of problematic source and destination devices ping a device across the connection in question test connectivity at each hop of a path troubleshoot in both directions along an ip path use a network diagram to understand traffic paths
What layer of the OSI model provides connectivity and path selection between two host systems?
The layer of the OSI model provides connectivity and path selection between two end systems where routing occurs in the network layer. The layer of the OSI model provides network services to processes in electronic mail and file transfer programs is application.
