Introduction to Networking Home and Peer-to-Peer
Because the primary job of the OSI Presentation Layer is to deal with the format of computing
information, the Presentation Layer would be better named the Representation layer
When two LAN nodes transmit at the same time on the same medium, we...
Because the primary job of the OSI Presentation Layer is to deal with the format of computing
information, the Presentation Layer would be better named the ✅Representation layer
When two LAN nodes transmit at the same time on the same medium, we call this ✅B) Multiplexing.
Why are hubs and repeaters unsuitable for interconnecting local area networks (LAN)? ✅D) They do not
filter traffic passing between segments
The Client for Microsoft Networks is an application that ✅B) Allows computers to communicate with
their peers over a network.
Random access memory (RAM) is volatile, which means that ✅D) It loses stored data when power is
lost.
A significant difference between T1 line and a fractional T1 (FT1) line is ✅Control over the physical
endpoints.
When a process in one computer operates at the same layer as a process in another computer, it is
considered ✅A peer.
Basic computer functions such as reading and writing files, and managing input/output (I/O) requests
are performed by which one of the following? ✅The operating system.
Which protocols are supported by all major network operating systems (NOS)? ✅Transmission control
protocol (TCP) and Internet protocol (IP).
The device that forwards traffic between the hard-wired network and mobile nodes is which of the
following? ✅A wireless access point.
, The Open Systems Interconnection (OSI) Model was developed so that ✅B) Users could connect to the
Internet using hardware manufactured by any company.
What is another word for protocol layers? ✅B) Stacks.
Why is Internet protocol (IP) considered an unreliable protocol? ✅) Because IP does not provide error
correction or recovery.
T3 and synchronous optical networks (SONET) are considered ✅Fractional T1 services.
A switch normally operates at which of the following layers of the Open Systems Interconnection (OSI)
Model? ✅) The Data Link Layer.
The building entrance, the vertical cabling, and the work area are ✅Structured wiring subsystems.
Decapsulation means that each layer in the protocol stack does which of the following? ✅A) Removes
its protocol header and passes the whole message up the protocol stack.
When traffic on a local area network (LAN) starts to cause performance problems, what Layer 2 device
can be installed to reduce the load by dividing the network into separate segments? ✅A bridge.
The characteristic of an operating system that allows more than one user to run a program on the same
computer is ✅B) Multiprocessing.
If a network administrator connects two hubs together with a switch they are most likely ✅) Dividing
the network into two logical collision domains.
A network interface card (NIC), aka media access control (MAC) address, resides at the _________ Layer
and a logical address resides at the ___________ Layer. ✅D) Data Link/Network.
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