Cisco ENCOR Cisco ENCOR 350-401 MCQ 4 — Questions and Answers
Question 1: What is the function of the LISP ITR (Ingress Tunnel Router) in a LISP deployment?
- Responds to LISP map requests from remote sites
- Encapsulates packets from EID space toward RLOC destinations (Correct answer)
- Decapsulates LISP-encapsulated packets arriving from the core
- Stores the full EID-to-RLOC mapping database
Correct answer: Encapsulates packets from EID space toward RLOC destinations
The ITR encapsulates packets sourced from the EID (Endpoint ID) address space and forwards them through the LISP tunnel toward the RLOC (Routing Locator) of the destination XETR.
Question 2: In EIGRP, what condition must be met for a Feasible Successor route to be used without triggering a DUAL recalculation?
- Its metric must be less than the successor's metric
- Its Reported Distance must be less than the successor's Feasible Distance (Correct answer)
- Its bandwidth must equal the successor's bandwidth
- Its hop count must be less than 100
Correct answer: Its Reported Distance must be less than the successor's Feasible Distance
A route qualifies as a Feasible Successor if its Reported Distance (RD) is less than the current Successor's Feasible Distance (FD), satisfying the Feasibility Condition.
Question 3: Which 802.11 feature allows an access point to transmit data to multiple clients simultaneously using spatial streams?
- OFDM
- MU-MIMO (Correct answer)
- CSMA/CA
- TWT (Target Wake Time)
Correct answer: MU-MIMO
MU-MIMO (Multi-User Multiple Input Multiple Output) allows an AP to transmit to multiple clients concurrently using separate spatial streams, improving overall throughput.
Question 4: Which Cisco security feature dynamically learns MAC addresses and restricts port access to only those learned addresses?
- 802.1X Port Authentication
- DHCP Snooping
- Port Security with sticky MAC (Correct answer)
- Dynamic ARP Inspection
Correct answer: Port Security with sticky MAC
Port Security with sticky MAC learning dynamically records connected MAC addresses into the running config and blocks any other MAC address from accessing that port.
Question 5: What is the purpose of the RESTCONF 'depth' query parameter?
- Limits the number of results returned per page
- Controls how many levels of nested data are returned (Correct answer)
- Specifies the YANG module version to use
- Filters resources by a specific field value
Correct answer: Controls how many levels of nested data are returned
The RESTCONF `depth` query parameter limits the depth of the YANG data tree returned, reducing payload size by excluding deeply nested nodes.
Question 6: In MPLS, what is a Label Switch Router (LSR) that only has other LSRs as neighbors called?
- Provider Edge (PE) router
- Customer Edge (CE) router
- Provider (P) core router (Correct answer)
- Route Reflector
Correct answer: Provider (P) core router
A Provider (P) core router is an LSR that sits entirely within the MPLS backbone, performing label swapping without connecting directly to customer CE routers.
Question 7: Which command verifies that OSPF neighbor adjacency has reached the FULL state on a Cisco router?
- show ip ospf database
- show ip ospf neighbor (Correct answer)
- show ip route ospf
- show ip ospf interface
Correct answer: show ip ospf neighbor
The `show ip ospf neighbor` command displays neighbor state, and a state of FULL indicates complete LSA database synchronization between the two neighbors.
Cisco ENCOR Cisco ENCOR 350-401 MCQ 4
What is the function of the LISP ITR (Ingress Tunnel Router) in a LISP deployment?