CN · Routing & Devices interview questions

1. A.a physical-layer device that repeats incoming bits out of every port, forming one collision domain
2. B.a network segment where simultaneous transmissions interfere, shrunk by switches but joined by hubs
3. C.the path-vector protocol that exchanges routing between autonomous systems and runs the Internet's core
4. D.a device connecting two LAN segments and filtering frames based on MAC addresses

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1. A.distance-vector routing
2. B.MAC vs IP address
3. C.broadcast domain
4. D.hub

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1. A.hub — a node that translates between different protocols or network architectures, often at the network edge
2. B.hub — a link-state interior protocol using Dijkstra's algorithm to compute shortest paths within an autonomous system
3. C.hub — a routing approach where each router shares its whole table with neighbors, used by RIP
4. D.hub — a physical-layer device that repeats incoming bits out of every port, forming one collision domain

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1. A.a logical grouping of switch ports into separate broadcast domains independent of physical location
2. B.a distance-vector interior protocol that selects routes by hop count, capped at fifteen hops
3. C.a node that translates between different protocols or network architectures, often at the network edge
4. D.a data-link device that forwards frames only to the port owning the destination MAC address

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1. A.OSPF (Open Shortest Path First)
2. B.VLAN
3. C.broadcast domain
4. D.switch

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1. A.switch — a device connecting two LAN segments and filtering frames based on MAC addresses
2. B.switch — the path-vector protocol that exchanges routing between autonomous systems and runs the Internet's core
3. C.switch — a data-link device that forwards frames only to the port owning the destination MAC address
4. D.switch — a routing approach where each router floods link information and builds a full topology map, used by OSPF

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1. A.a network-layer device that forwards packets between different networks using IP routing tables
2. B.a routing approach where each router shares its whole table with neighbors, used by RIP
3. C.a data-link device that forwards frames only to the port owning the destination MAC address
4. D.a distance-vector interior protocol that selects routes by hop count, capped at fifteen hops

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1. A.gateway
2. B.RIP (Routing Information Protocol)
3. C.collision domain
4. D.router

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1. A.router — a network segment where simultaneous transmissions interfere, shrunk by switches but joined by hubs
2. B.router — a distance-vector interior protocol that selects routes by hop count, capped at fifteen hops
3. C.router — a network-layer device that forwards packets between different networks using IP routing tables
4. D.router — a link-state interior protocol using Dijkstra's algorithm to compute shortest paths within an autonomous system

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1. A.the path-vector protocol that exchanges routing between autonomous systems and runs the Internet's core
2. B.a device connecting two LAN segments and filtering frames based on MAC addresses
3. C.a routing approach where each router shares its whole table with neighbors, used by RIP
4. D.a distance-vector interior protocol that selects routes by hop count, capped at fifteen hops

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1. A.OSPF (Open Shortest Path First)
2. B.bridge
3. C.VLAN
4. D.RIP (Routing Information Protocol)

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1. A.bridge — a device connecting two LAN segments and filtering frames based on MAC addresses
2. B.bridge — a link-state interior protocol using Dijkstra's algorithm to compute shortest paths within an autonomous system
3. C.bridge — a routing approach where each router shares its whole table with neighbors, used by RIP
4. D.bridge — a routing approach where each router floods link information and builds a full topology map, used by OSPF

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1. A.a node that translates between different protocols or network architectures, often at the network edge
2. B.a data-link device that forwards frames only to the port owning the destination MAC address
3. C.a network-layer device that forwards packets between different networks using IP routing tables
4. D.a network segment where simultaneous transmissions interfere, shrunk by switches but joined by hubs

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1. A.broadcast domain
2. B.router
3. C.gateway
4. D.MAC vs IP address

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1. A.gateway — a distance-vector interior protocol that selects routes by hop count, capped at fifteen hops
2. B.gateway — a routing approach where each router shares its whole table with neighbors, used by RIP
3. C.gateway — a network-layer device that forwards packets between different networks using IP routing tables
4. D.gateway — a node that translates between different protocols or network architectures, often at the network edge

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1. A.a node that translates between different protocols or network architectures, often at the network edge
2. B.a network-layer device that forwards packets between different networks using IP routing tables
3. C.a network segment where simultaneous transmissions interfere, shrunk by switches but joined by hubs
4. D.a distance-vector interior protocol that selects routes by hop count, capped at fifteen hops

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1. A.gateway
2. B.link-state routing
3. C.router
4. D.collision domain

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1. A.collision domain — a network segment where simultaneous transmissions interfere, shrunk by switches but joined by hubs
2. B.collision domain — a distance-vector interior protocol that selects routes by hop count, capped at fifteen hops
3. C.collision domain — a MAC address is a fixed physical link-layer identifier, while an IP address is a logical, routable network-layer one
4. D.collision domain — a logical grouping of switch ports into separate broadcast domains independent of physical location

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1. A.the set of devices that receive a broadcast frame, bounded by routers but not by switches
2. B.the path-vector protocol that exchanges routing between autonomous systems and runs the Internet's core
3. C.a physical-layer device that repeats incoming bits out of every port, forming one collision domain
4. D.a MAC address is a fixed physical link-layer identifier, while an IP address is a logical, routable network-layer one

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1. A.gateway
2. B.broadcast domain
3. C.bridge
4. D.router

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1. A.broadcast domain — a data-link device that forwards frames only to the port owning the destination MAC address
2. B.broadcast domain — a routing approach where each router shares its whole table with neighbors, used by RIP
3. C.broadcast domain — the path-vector protocol that exchanges routing between autonomous systems and runs the Internet's core
4. D.broadcast domain — the set of devices that receive a broadcast frame, bounded by routers but not by switches

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1. A.a logical grouping of switch ports into separate broadcast domains independent of physical location
2. B.a network segment where simultaneous transmissions interfere, shrunk by switches but joined by hubs
3. C.a routing approach where each router shares its whole table with neighbors, used by RIP
4. D.a network-layer device that forwards packets between different networks using IP routing tables

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1. A.BGP (Border Gateway Protocol)
2. B.VLAN
3. C.gateway
4. D.hub

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1. A.VLAN — a logical grouping of switch ports into separate broadcast domains independent of physical location
2. B.VLAN — the set of devices that receive a broadcast frame, bounded by routers but not by switches
3. C.VLAN — a network-layer device that forwards packets between different networks using IP routing tables
4. D.VLAN — a node that translates between different protocols or network architectures, often at the network edge

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1. A.a routing approach where each router shares its whole table with neighbors, used by RIP
2. B.a network segment where simultaneous transmissions interfere, shrunk by switches but joined by hubs
3. C.a MAC address is a fixed physical link-layer identifier, while an IP address is a logical, routable network-layer one
4. D.the set of devices that receive a broadcast frame, bounded by routers but not by switches

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1. A.gateway
2. B.distance-vector routing
3. C.VLAN
4. D.collision domain

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1. A.distance-vector routing — a routing approach where each router floods link information and builds a full topology map, used by OSPF
2. B.distance-vector routing — a routing approach where each router shares its whole table with neighbors, used by RIP
3. C.distance-vector routing — a physical-layer device that repeats incoming bits out of every port, forming one collision domain
4. D.distance-vector routing — a network segment where simultaneous transmissions interfere, shrunk by switches but joined by hubs

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1. A.the path-vector protocol that exchanges routing between autonomous systems and runs the Internet's core
2. B.a physical-layer device that repeats incoming bits out of every port, forming one collision domain
3. C.a routing approach where each router floods link information and builds a full topology map, used by OSPF
4. D.a network-layer device that forwards packets between different networks using IP routing tables

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1. A.broadcast domain
2. B.distance-vector routing
3. C.BGP (Border Gateway Protocol)
4. D.link-state routing

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1. A.link-state routing — a routing approach where each router floods link information and builds a full topology map, used by OSPF
2. B.link-state routing — a physical-layer device that repeats incoming bits out of every port, forming one collision domain
3. C.link-state routing — a data-link device that forwards frames only to the port owning the destination MAC address
4. D.link-state routing — a MAC address is a fixed physical link-layer identifier, while an IP address is a logical, routable network-layer one

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