[H3CIE] H3C Internetwork Epert
Certification Exam Guide
**Question 1.** Which layer of the hierarchical network model is primarily responsible for
routing between different distribution blocks?
A) Access layer
B) Distribution layer
C) Core layer
D) Edge layer
Answer: C
Explanation: The core layer provides high‑speed, fault‑tolerant transport between distribution
layers, handling inter‑distribution routing.
**Question 2.** In H3C IRF, what does the “N:1” terminology represent?
A) N physical devices forming one virtual device
B) N virtual devices sharing one physical chassis
C) N VLANs mapped to one IP address
D) N routing protocols converging on one table
Answer: A
Explanation: IRF (Intelligent Resilient Framework) aggregates N physical switches into a single
logical switch (1 virtual device) for simplified management.
**Question 3.** Which LSA type is used by OSPF to advertise a stub network?
A) Type 1 (Router LSA)
B) Type 2 (Network LSA)
C) Type 3 (Summary LSA)
D) Type 5 (External LSA)
Answer: B
, [H3CIE] H3C Internetwork Epert
Certification Exam Guide
Explanation: Type 2 LSAs are generated by the DR on a broadcast network and describe the stub
network’s IP prefix.
**Question 4.** In a multi‑tenant data center, which H3C feature provides 1:N virtualization for
hardware isolation?
A) IRF
B) MDC (Multitenant Device Context)
C) VRF
D) VPLS
Answer: B
Explanation: MDC creates separate logical contexts (tenants) on a single physical device,
delivering full isolation (1:N).
**Question 5.** Which protocol is used by H3C to implement Rapid Ring Protection (RRPP)?
A) STP
B) MSTP
C) RSTP
D) RRPP itself
Answer: D
Explanation: RRPP is a proprietary ring protection protocol that provides sub‑50 ms
convergence on ring topologies.
**Question 6.** When configuring a private VLAN, which VLAN type isolates ports from each
other while allowing communication with a promiscuous port?
A) Primary VLAN
B) Community VLAN
, [H3CIE] H3C Internetwork Epert
Certification Exam Guide
C) Isolated VLAN
D) Trunk VLAN
Answer: C
Explanation: Isolated VLAN members cannot talk to each other but can communicate with ports
in the primary (promiscuous) VLAN.
**Question 7.** In BGP, which attribute is evaluated first when selecting the best path?
A) Local Preference
B) AS‑Path length
C) Weight
D) MED
Answer: C
Explanation: Weight is a Cisco‑specific (and H3C‑supported) attribute that is considered before
any other BGP attribute.
**Question 8.** Which of the following BGP attributes is not transitive across an AS?
A) MED
B) Local Preference
C) AS‑Path
D) Origin
Answer: B
Explanation: Local Preference is a well‑known discretionary attribute that is not passed to
external peers.
**Question 9.** What is the primary purpose of a Route Reflector in a BGP design?
A) To reduce the number of iBGP sessions required
, [H3CIE] H3C Internetwork Epert
Certification Exam Guide
B) To enforce policy on outbound routes
C) To provide load‑balancing across multiple links
D) To advertise external routes to internal peers
Answer: A
Explanation: Route Reflectors allow iBGP peers to share routes without establishing a full mesh,
simplifying large BGP deployments.
**Question 10.** Which IPv6 BGP address family is used for unicast routing?
A) ipv4‑unicast
B) vpnv4‑unicast
C) ipv6‑unicast
D) evpn
Answer: C
Explanation: The ipv6‑unicast address family carries IPv6 unicast NLRI in MP‑BGP.
**Question 11.** In an OSPF multi‑area design, which area type does NOT allow external LSAs?
A) Backbone (Area 0)
B) Stub area
C) Not‑So‑Stubby Area (NSSA)
D) Totally stubby area
Answer: D
Explanation: A totally stubby area blocks Type 5 and Type 3 LSAs, receiving only a default route
from the ABR.
**Question 12.** Which IS‑IS level is equivalent to OSPF’s backbone area?
Certification Exam Guide
**Question 1.** Which layer of the hierarchical network model is primarily responsible for
routing between different distribution blocks?
A) Access layer
B) Distribution layer
C) Core layer
D) Edge layer
Answer: C
Explanation: The core layer provides high‑speed, fault‑tolerant transport between distribution
layers, handling inter‑distribution routing.
**Question 2.** In H3C IRF, what does the “N:1” terminology represent?
A) N physical devices forming one virtual device
B) N virtual devices sharing one physical chassis
C) N VLANs mapped to one IP address
D) N routing protocols converging on one table
Answer: A
Explanation: IRF (Intelligent Resilient Framework) aggregates N physical switches into a single
logical switch (1 virtual device) for simplified management.
**Question 3.** Which LSA type is used by OSPF to advertise a stub network?
A) Type 1 (Router LSA)
B) Type 2 (Network LSA)
C) Type 3 (Summary LSA)
D) Type 5 (External LSA)
Answer: B
, [H3CIE] H3C Internetwork Epert
Certification Exam Guide
Explanation: Type 2 LSAs are generated by the DR on a broadcast network and describe the stub
network’s IP prefix.
**Question 4.** In a multi‑tenant data center, which H3C feature provides 1:N virtualization for
hardware isolation?
A) IRF
B) MDC (Multitenant Device Context)
C) VRF
D) VPLS
Answer: B
Explanation: MDC creates separate logical contexts (tenants) on a single physical device,
delivering full isolation (1:N).
**Question 5.** Which protocol is used by H3C to implement Rapid Ring Protection (RRPP)?
A) STP
B) MSTP
C) RSTP
D) RRPP itself
Answer: D
Explanation: RRPP is a proprietary ring protection protocol that provides sub‑50 ms
convergence on ring topologies.
**Question 6.** When configuring a private VLAN, which VLAN type isolates ports from each
other while allowing communication with a promiscuous port?
A) Primary VLAN
B) Community VLAN
, [H3CIE] H3C Internetwork Epert
Certification Exam Guide
C) Isolated VLAN
D) Trunk VLAN
Answer: C
Explanation: Isolated VLAN members cannot talk to each other but can communicate with ports
in the primary (promiscuous) VLAN.
**Question 7.** In BGP, which attribute is evaluated first when selecting the best path?
A) Local Preference
B) AS‑Path length
C) Weight
D) MED
Answer: C
Explanation: Weight is a Cisco‑specific (and H3C‑supported) attribute that is considered before
any other BGP attribute.
**Question 8.** Which of the following BGP attributes is not transitive across an AS?
A) MED
B) Local Preference
C) AS‑Path
D) Origin
Answer: B
Explanation: Local Preference is a well‑known discretionary attribute that is not passed to
external peers.
**Question 9.** What is the primary purpose of a Route Reflector in a BGP design?
A) To reduce the number of iBGP sessions required
, [H3CIE] H3C Internetwork Epert
Certification Exam Guide
B) To enforce policy on outbound routes
C) To provide load‑balancing across multiple links
D) To advertise external routes to internal peers
Answer: A
Explanation: Route Reflectors allow iBGP peers to share routes without establishing a full mesh,
simplifying large BGP deployments.
**Question 10.** Which IPv6 BGP address family is used for unicast routing?
A) ipv4‑unicast
B) vpnv4‑unicast
C) ipv6‑unicast
D) evpn
Answer: C
Explanation: The ipv6‑unicast address family carries IPv6 unicast NLRI in MP‑BGP.
**Question 11.** In an OSPF multi‑area design, which area type does NOT allow external LSAs?
A) Backbone (Area 0)
B) Stub area
C) Not‑So‑Stubby Area (NSSA)
D) Totally stubby area
Answer: D
Explanation: A totally stubby area blocks Type 5 and Type 3 LSAs, receiving only a default route
from the ABR.
**Question 12.** Which IS‑IS level is equivalent to OSPF’s backbone area?
