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WorksheetsComputer Network & Local Area Network (LAN)
Total questions: 20
Worksheet time: 20mins
Which networking device connect segments of a LAN?
Hub
Switch
Bridge
Router
How many bits does a MAC address have?
8
16
32
48
Which of the following network topologies connect each host to all other hosts?
Bus
Ring
Star
Mesh
Which of the following is NOT a factor that affects 'Throughput' and 'Digital Bandwidth'?
Number of Users
Server Computer
Network Topology
Type of Data being transferred
Which layer of the OSI model does the router operate?
Network Layer
Physical Layer
Data link Layer
Transport Layer
A router forwards data packets along networks using:
logical address
physical address
MAC address
hardware address
State 2 reasons why there is a need for networking?
Share resources (printers and servers)
To allow usage of double bandwidth
Centralized administration and support
Encrypt information & Data
Which of the network devices that are used in the "Data Link" OSI layer
Repeater & Hub
Bridge & Switch
Router & PC
None of the Above
Which of the following does NOT belong to main group of Network Media?
Copper Media
Optical Media
Magnetic Media
Wireless Media
Which one of the following is NOT a factor to consider when selecting Network Interface?
Type of Topology
Type of Network
Type of Media
Type of Computer Interface
Which one of the following statements about Ethernet is FALSE?
Non-deterministic
Limited cable length
No way to prioritize traffic
Difficult to install and manage
Which topology does the Ethernet use to communicate across a medium?
Broadcast
Polling
Multiplexing
None of the Above
What is inter-frame gap?
Idle time between frames
Idle time between frame bits
Idle time between packets
Idle time between parcel
One way to reduce congestion is a Ethernet network is through:
Bandwidth expansion
Cable length reduction
Increasing Layer 1 interconnections
Segmentation
Which cabling does not allow Ethernet to be deployed
Coaxial
Twisted Pair
Telephone Dropwire
Fibre Optic
The devices that propagate collisions are
Bridges
Repeater
Switches
Routers
Which type of physical topologies are supported by Ethernet?
Bus, ring
Bus, star
Ring, star
Mesh, star
What does ‘broadcasting’ mean in networking?
addressing a packet to all machines
addressing a packet to some machines
addressing a packet to a particular machine
addressing a packet to all except a particular machine.
Full-duplex communication between two devices is only supported on a ____________
point-to-point connection
point-to-multiple connection
multiple-to-point connection
multiple-to-multiple connection
An Advantage of Ethernet is simple to install and manage, inexpensive.
TRUE
FALSE
