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EIGRP is primarily designed by which company?
a. Cisco
b. Juniper
c. Nortel
d. HP
Answer: a. Ciscosanfoundry+2
Which algorithm is used by EIGRP for path calculation?
a. SPF
b. DUAL
c. Bellman-Ford
d. Floyd-Warshall
Answer: b. DUALcbtnuggets+2
What is the default administrative distance for EIGRP internal routes?
a. 90
b. 100
c. 110
d. 120
Answer: a. 90cisco+2
EIGRP supports which type of subnetting?
a. Fixed-length only
b. Variable-length only
c. Both fixed and variable-length
d. None
Answer: c. Both fixed and variable-lengthgeeksforgeeks+2
Which of the following is a composite metric used by EIGRP?
a. Bandwidth only
b. Hop count and delay
c. Bandwidth, delay, reliability, load, and MTU
d. Hop count only
Answer: c. Bandwidth, delay, reliability, load, and MTUstudocu+2
EIGRP sends hello packets every _____ seconds on LAN.
a. 10
b. 5
c. 20
d. 60
Answer: b. 5sanfoundry+2
EIGRP is classified as which kind of routing protocol?
a. Distance-vector
b. Link-state
c. Hybrid
d. Static
Answer: c. Hybridpynetlabs+2
Which packet type does EIGRP use to establish neighbor adjacencies?
a. Query
b. Hello
c. Update
d. Reply
Answer: b. Hellocisco+2
Which protocol can EIGRP provide route summarization for?
a. IP
b. IPv6
c. IPX
d. All of these
Answer: d. All of thesewikipedia+2
What is the primary benefit of EIGRP’s route summarization?
a. Increases path cost
b. Reduces routing table size
c. Adds network instability
d. Slows convergence
Answer: b. Reduces routing table sizewikipedia+2
How does EIGRP share routing updates?
a. Periodically broadcasts full table
b. Sends incrementals only when changes occur
c. Floods entire network
d. Does not send updates
Answer: b. Sends incrementals only when changes occurrouteralley+2
EIGRP neighbors are discovered through which packet?
a. Update
b. Hello
c. ACK
d. Query
Answer: b. Hellocbtnuggets+2
What is the feasible successor in EIGRP?
a. Backup route
b. Best route
c. Static route
d. Loopback route
Answer: a. Backup routeimedita+2
The EIGRP topology table contains which routes?
a. Only best route
b. All feasible routes
c. All unreachable routes
d. Static only
Answer: b. All feasible routesnwkings+2
What must match for successful neighborship in EIGRP?
a. Autonomous system number
b. Password
c. K-values
d. All of these
Answer: d. All of theseimedita+2
By default, how many paths does EIGRP support for load balancing?
a. 2
b. 4
c. 6
d. 8
Answer: d. 8routeralley+2
On which layer does EIGRP operate?
a. Physical
b. Network
c. Data Link
d. Transport
Answer: b. Networkcisco+2
EIGRP uses which protocol for reliability?
a. TCP
b. RTP
c. UDP
d. ICMP
Answer: b. RTPcbtnuggets+2
When is EIGRP route said to be stuck in active (SIA)?
a. Route converged
b. No reply to query
c. Update received
d. Metric changed
Answer: b. No reply to querynetworkwalks+2
What does EIGRP use for authentication between routers?
a. MD5
b. SHA-1
c. SSL
d. DES
Answer: a. MD5wikipedia+2
Which table stores all paths learned from EIGRP neighbors?
a. Routing
b. Topology
c. Neighbor
d. ARP
Answer: b. Topologynwkings+2
What metric values can be tuned to influence EIGRP path selection?
a. Bandwidth, delay
b. Reliability, load
c. MTU
d. All of these
Answer: d. All of thesestudocu+2
EIGRP does not send periodic updates but relies on:
a. Incremental updates
b. Broadcasts
c. Flooding
d. None
Answer: a. Incremental updatesgeeksforgeeks+2
What is the EIGRP composite metric primarily based on?
a. Cost
b. Distance
c. Bandwidth and delay
d. Hop count
Answer: c. Bandwidth and delaysanfoundry+2
Configuration command to disable automatic route summarization in EIGRP?
a. no summary
b. no auto-summary
c. auto-summary off
d. summary disable
Answer: b. no auto-summaryrouteralley+2
Which packet confirms receipt in EIGRP exchanges?
a. ACK
b. Hello
c. Update
d. Query
Answer: a. ACKcisco+2
Which routing table does EIGRP insert successor routes into?
a. Routing
b. Topology
c. Neighbor
d. RIP
Answer: a. Routingpynetlabs+2
The EIGRP query packet is used to:
a. Request new neighbor
b. Find route to lost destination
c. Authenticate
d. None
Answer: b. Find route to lost destinationwikipedia+2
EIGRP can run simultaneous routing processes for multiple protocols using:
a. Multi-OSPF modules
b. Protocol dependent modules (PDMs)
c. Multicast routing
d. VRRP
Answer: b. Protocol dependent modules (PDMs)cbtnuggets+2
EIGRP’s hop count limit is:
a. 16
b. 100
c. 224
d. 255
Answer: d. 255routeralley+2
Default hello interval for EIGRP WAN links is:
a. 10 seconds
b. 5 seconds
c. 30 seconds
d. 60 seconds
Answer: d. 60 secondssanfoundry+2
What is required for EIGRP neighborship besides matching AS number?
a. K-values must match
b. Clock synchronization
c. IP address match
d. Different password
Answer: a. K-values must matchimedita+2
Which EIGRP packet is used to inform about route changes?
a. Hello
b. Query
c. Update
d. ACK
Answer: c. Updatecisco+2
EIGRP stub routers are used to:
a. Increase convergence time
b. Limit EIGRP communication
c. Disable EIGRP
d. Change AS number
Answer: b. Limit EIGRP communicationwikipedia+2
Which protocol revision brought major EIGRP improvements?
a. Version 1
b. Version 2
c. Version 3
d. No revisions
Answer: a. Version 1routeralley+1
What is the maximum number of EIGRP equal-cost paths by default?
a. 2
b. 4
c. 8
d. 16
Answer: c. 4cisco+2
EIGRP’s RTP protocol ensures:
a. Unreliable transport
b. Reliable transport
c. Transport encryption
d. Routing isolation
Answer: b. Reliable transportcbtnuggets+2
For rapid convergence, EIGRP uses:
a. Bellman-Ford
b. SPF
c. DUAL
d. Flooding
Answer: c. DUALcbtnuggets+2
EIGRP maintains which table for detected neighbors?
a. Neighbor table
b. Routing table
c. Topology table
d. ARP table
Answer: a. Neighbor tablenwkings+2
EIGRP active state means:
a. Route is stable
b. Route is being queried
c. Route is deleted
d. Route is unreachable
Answer: b. Route is being queriedpynetlabs+2
EIGRP passive state means:
a. Route unavailable
b. Feasible successor found
c. Route stable
d. Query required
Answer: c. Route stableimedita+2
EIGRP backbone is formed by:
a. Area 0
b. Autonomous System
c. Root Bridge
d. Edge routers
Answer: b. Autonomous Systempynetlabs+2
EIGRP process ID is used to:
a. Identify a routing instance
b. Set metric
c. Assign password
d. None
Answer: a. Identify a routing instancewikipedia+2
EIGRP supports which types of load balancing?
a. Only equal-cost
b. Only unequal-cost
c. Both
d. Neither
Answer: c. Bothsanfoundry+2
EIGRP metric default K-values for bandwidth and delay are:
a. 2 and 3
b. 1 and 3
c. 1 and 2
d. 2 and 1
Answer: c. 1 and 3studocu+2
Successor in EIGRP is:
a. Primary route
b. Backup route
c. Unreachable route
d. Static route
Answer: a. Primary routenwkings+2
When configuring EIGRP for IPv6, what must be enabled?
a. Routing
b. EIGRP process
c. IPv6 unicast-routing
d. Interface summary
Answer: c. IPv6 unicast-routingrouteralley+2
EIGRP topology table stores:
a. Routes learned from RIP
b. Routes from OSPF
c. Routes learned from EIGRP neighbors
d. Static routes only
Answer: c. Routes learned from EIGRP neighborsnwkings+2
EIGRP is best suited for:
a. Small networks only
b. Medium to large scalable networks
c. Home networks
d. Only wireless networks
Answer: b. Medium to large scalable networksgeeksforgeeks+2
EIGRP supports which authentication methods natively?
a. None
b. MD5, SHA-2
c. DES, AES
d. RC5
Answer: b. MD5, SHA-2cisco+2

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