Q#1: Delivery in networking refers to:
(A) Sending packet from source to final destination
(B) Assigning MAC address
(C) Detecting collision
(D) None
Answer: (A) Sending packet from source to final destination
Q#2: Forwarding is the process of:
(A) Moving packet from input port to output port in a router
(B) Creating routing table
(C) Assigning IP address
(D) None
Answer: (A) Moving packet from input port to output port in a router
Q#3: Routing is responsible for:
(A) Determining best path for packet delivery
(B) Frame error detection
(C) Data encryption
(D) None
Answer: (A) Determining best path for packet delivery
Q#4: Direct delivery occurs when:
(A) Source and destination are on same network
(B) They are on different networks
(C) Using router only
(D) None
Answer: (A) Source and destination are on same network
Q#5: Indirect delivery requires:
(A) Router
(B) Switch only
(C) Hub only
(D) None
Answer: (A) Router
Q#6: Forwarding is based on:
(A) Destination IP address
(B) Source IP address
(C) Port number
(D) None
Answer: (A) Destination IP address
Q#7: Routing table contains:
(A) Destination network and next hop
(B) MAC addresses only
(C) Port numbers
(D) None
Answer: (A) Destination network and next hop
Q#8: Next hop refers to:
(A) Next router in path
(B) Final destination
(C) Switch port
(D) None
Answer: (A) Next router in path
Q#9: Default route is used when:
(A) No specific route found
(B) Local delivery
(C) Broadcast
(D) None
Answer: (A) No specific route found
Q#10: Longest prefix matching is used in:
(A) IP forwarding
(B) Error detection
(C) Multiplexing
(D) None
Answer: (A) IP forwarding
Q#11: Static routing means:
(A) Routes manually configured
(B) Routes automatically updated
(C) No routing table
(D) None
Answer: (A) Routes manually configured
Q#12: Dynamic routing uses:
(A) Routing protocols
(B) Manual configuration
(C) Only default route
(D) None
Answer: (A) Routing protocols
Q#13: RIP is a:
(A) Distance vector routing protocol
(B) Link state protocol
(C) Transport protocol
(D) None
Answer: (A) Distance vector routing protocol
Q#14: OSPF is a:
(A) Link state routing protocol
(B) Distance vector
(C) Multicast only
(D) None
Answer: (A) Link state routing protocol
Q#15: Hop count metric is used by:
(A) RIP
(B) OSPF
(C) ARP
(D) None
Answer: (A) RIP
Q#16: Dijkstra algorithm is used in:
(A) OSPF
(B) RIP
(C) ARP
(D) None
Answer: (A) OSPF
Q#17: Autonomous system (AS) is:
(A) Group of networks under single administration
(B) Single router
(C) Switch only
(D) None
Answer: (A) Group of networks under single administration
Q#18: Intra-domain routing occurs:
(A) Within an AS
(B) Between AS
(C) Inside LAN only
(D) None
Answer: (A) Within an AS
Q#19: Inter-domain routing occurs:
(A) Between autonomous systems
(B) Inside LAN
(C) Same subnet
(D) None
Answer: (A) Between autonomous systems
Q#20: BGP is used for:
(A) Inter-domain routing
(B) Intra-domain routing
(C) Address mapping
(D) None
Answer: (A) Inter-domain routing
Q#21: Routing loop occurs when:
(A) Packet circulates indefinitely
(B) TTL expired
(C) Direct delivery
(D) None
Answer: (A) Packet circulates indefinitely
Q#22: TTL prevents:
(A) Infinite routing loops
(B) Fragmentation
(C) Error detection
(D) None
Answer: (A) Infinite routing loops
Q#23: Split horizon technique prevents:
(A) Routing loops
(B) Fragmentation
(C) Address mapping
(D) None
Answer: (A) Routing loops
Q#24: Routing convergence means:
(A) All routers have consistent routing tables
(B) Routing table deleted
(C) Static routing
(D) None
Answer: (A) All routers have consistent routing tables
Q#25: Cost metric in routing may include:
(A) Bandwidth and delay
(B) MAC address
(C) Port number
(D) None
Answer: (A) Bandwidth and delay
Q#26: Forwarding table is also called:
(A) Routing table
(B) ARP table
(C) DNS table
(D) None
Answer: (A) Routing table
Q#27: Default gateway is configured on:
(A) Host
(B) Switch
(C) Hub
(D) None
Answer: (A) Host
Q#28: Packet switching uses:
(A) Store-and-forward technique
(B) Circuit switching
(C) Dedicated path
(D) None
Answer: (A) Store-and-forward technique
Q#29: Routing decision is taken at:
(A) Each router
(B) Only source
(C) Only destination
(D) None
Answer: (A) Each router
Q#30: Classless routing uses:
(A) CIDR
(B) Fixed classes only
(C) Broadcast
(D) None
Answer: (A) CIDR
Q#31: Distance vector routing shares:
(A) Entire routing table with neighbors
(B) MAC addresses
(C) Only default route
(D) None
Answer: (A) Entire routing table with neighbors
Q#32: Link state routing shares:
(A) Link state information
(B) Entire routing table
(C) MAC addresses
(D) None
Answer: (A) Link state information
Q#33: Count-to-infinity problem exists in:
(A) Distance vector routing
(B) Link state routing
(C) BGP
(D) None
Answer: (A) Distance vector routing
Q#34: Routing algorithm must be:
(A) Optimal and efficient
(B) Slow
(C) Static only
(D) None
Answer: (A) Optimal and efficient
Q#35: Administrative distance defines:
(A) Trustworthiness of routing source
(B) Packet size
(C) TTL
(D) None
Answer: (A) Trustworthiness of routing source
Q#36: Equal-cost multipath routing allows:
(A) Load balancing
(B) Fragmentation
(C) Broadcast
(D) None
Answer: (A) Load balancing
Q#37: Policy-based routing is common in:
(A) BGP
(B) RIP
(C) ARP
(D) None
Answer: (A) BGP
Q#38: Forwarding process is part of:
(A) Data plane
(B) Control plane
(C) Application layer
(D) None
Answer: (A) Data plane
Q#39: Routing process is part of:
(A) Control plane
(B) Data plane
(C) Transport layer
(D) None
Answer: (A) Control plane
Q#40: Subnet mask helps in:
(A) Determining network and host portion
(B) MAC addressing
(C) Error detection
(D) None
Answer: (A) Determining network and host portion
Q#41: Router performs forwarding based on:
(A) Routing table lookup
(B) MAC only
(C) TTL only
(D) None
Answer: (A) Routing table lookup
Q#42: Hierarchical routing improves:
(A) Scalability
(B) Error detection
(C) Fragmentation
(D) None
Answer: (A) Scalability
Q#43: Default route is represented as:
(A) 0.0.0.0/0
(B) 127.0.0.1
(C) 255.255.255.255
(D) None
Answer: (A) 0.0.0.0/0
Q#44: Forwarding decision is fast because of:
(A) Precomputed routing table
(B) ARP
(C) ICMP
(D) None
Answer: (A) Precomputed routing table
Q#45: Routing updates are exchanged periodically in:
(A) RIP
(B) Static routing
(C) ARP
(D) None
Answer: (A) RIP
Q#46: OSPF metric is based on:
(A) Cost (bandwidth-based)
(B) Hop count only
(C) MAC address
(D) None
Answer: (A) Cost (bandwidth-based)
Q#47: Forwarding engine is inside:
(A) Router
(B) Hub
(C) Repeater
(D) None
Answer: (A) Router
Q#48: Routing table entry includes:
(A) Destination, mask, next hop, interface
(B) MAC only
(C) Port only
(D) None
Answer: (A) Destination, mask, next hop, interface
Q#49: Route summarization reduces:
(A) Routing table size
(B) Packet size
(C) TTL
(D) None
Answer: (A) Routing table size
Q#50: Main goal of routing and forwarding:
(A) Efficient and correct packet delivery
(B) Collision detection
(C) MAC assignment
(D) None
Answer: (A) Efficient and correct packet delivery