This quiz focuses on Layer 2 VPN technologies like FR, ATM, Ethernet, and VPLS, and the Spanning Tree Protocol. It assesses knowledge on network design to prevent loops, path cost calculation, and logical connection differentiation in shared media. Essential for learners aiming to master network redundancy and efficiency.
Ethernet VLAN's
ATM VPI/VCI
TCP/IP Port number
Frame-relay DLCI
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To prevent routing loops in networks with redundant routed paths
To segment a network into separate collision domains
To prevent routing loops in networks with redundant switched paths
To allow bundling of multiple physical links into one logical connection
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True
False
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Bridge Priority
Link Bandwidth
Link Utilisation
Hop Count
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True
False
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Misconfigured link speed
Duplex mismatch
A loose ethernet cable
The incorrect VLAN being configured
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Port A configured for 100m, Full Duplex. Port B configured for 10m, Full Duplex
Port A configured for 100m, Full Duplex. Port B configured for Auto-detect
Port A configured for Auto-detect, Port B configured for Auto-detect
Port A configured for 10m, Half-duplex, port B configured for 100m, half-duplex
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R1 - Priority 32768, MAC Address 4A:40:AA:08:85:61
R2 - Priority 16384, MAC Address 4A:40:AA:01:22:38
R3 - Priority 32768, MAC Address 4A:40:AA:00:15:82
R4 - Priority 16384, MAC Address 4A:40:AA:35:81:76
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Hold Timer
STP Timer
Keepalive Timer
Hello Timer
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802.3z
802.11a
802.3ad
802.3ah
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VPLS requires the provider supplies the CE equipment, L2VPN's do not
L2VPN's must use OSPF as their signalling protocol, VPLS uses BGP
VPLS functions in a point-to-multipoint mode, while L2VPN's function only as point-to-point
L2VPN's require the use of MPLS in the provider network, while VPLS does not
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MAC Learning
Flooding packets sent to an unknown MAC address.
Proxy-ARP
Packet Forwarding
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1
5
10
20
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True
False
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VPLS is a point-to-point service
VPLS is a bridged service
VPLS provides VPN connectivity to CE devices
VPLS will allow for broadcast communication between CE devices
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Frames should be switched based on destination MAC address
Frames should be sent only to the PE attached to the destination when possible
Frames should be flooded as little as possible
All of the above are true
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Kompella style L2VPN's use BGP as the signalling protocol
Kompella style L2VPN's use LDP as the signalling protocol
Martini style L2VPN's use BGP as the signalling protocol
Martini style L2VPN's use LDP as the signalling protocol
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Ethernet, ATM and Serial connections
Ethernet and ATM connections only
Ethernet and Serial connections only
Ethernet Connections only
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1
100
200
9900
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RSVP Signalled LSP's Only
LDP Signalled LSP's Only
Both RSVP and LDP signalled LSP's
MPLS LSP's are not used for VPLS transport
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R1 - Priority 4096
R2 - Priority 8192
R3 - Priority 16384
R4 - Priority 32768
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