New Year Special 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: save70

Free and Premium Huawei H12-221 Dumps Questions Answers

Page: 1 / 8
Total 225 questions

HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network) Questions and Answers

Question 1

If both the ospf cost and reference-bandwidth are configured on an interface, the value set by the ospf cost command is used as the cost of the interface.

Options:

A.

TRUE

B.

FALSE

Buy Now
Question 2

When a routing protocol import routes discovered by other routing protocols, it must import only the routes that meet the conditions and set attributes for the imported routes. In such a case, a route-policy can be created.

Options:

A.

TRUE

B.

FALSE

Question 3

Which of the following BGP attributes are well known mandatory attributes? (Select 3 answers)

Options:

A.

ORIGIN

B.

AS_PATH

C.

NEXT_HOP

D.

MED

E.

LOCAL_PREF

F.

COMMUNITY

Question 4

OSPF uses SPF algorithm to compute the SPF tree based on the topology. What is the node of the 5PF tree?

Options:

A.

Router

B.

Router and network segment

C.

Port and network segment

D.

Router and port

Question 5

Which of the following attributes must exist in the BGP update messages? (Select 3 answers)

Options:

A.

LOCAL_PREF

B.

NEXT_HOP

C.

ORIGIN

D.

AS_PATH

Question 6

Which of the following statements regarding DR in PIM protocol are true? (Select 3 answers)

Options:

A.

In DR election, the router with the lowest IP address is elected among the routers of the same DR priority..

B.

A source's DR sends Register messages to an RP.

C.

A receiver's DR is sends Join messages to a multicast source or an RP.

D.

An Assert winner on a shared network segment may not be a DR.

Question 7

Which of the following statements regarding the IP address 224.0.0.1 are correct? (Select 2 answers)

Options:

A.

It is a multicast IP address

B.

It is a private IP address

C.

It represents all the hosts and routers

D.

It represents all the routers

Question 8

Which of the following routers can initiate SFT switchover on a PIM-SM network? (Select 2 answers)

Options:

A.

Last-hop router

B.

Intermediate router

C.

RP

D.

Source's DR

Question 9

A network administrator is required to construct a small-scale network containing only 22 hosts. The ISP has provided only a single public IP address that is to be used as the egress address. Which of the following addressing schemes can be used to plan such a network?

Options:

A.

10.11.12.16/28

B.

172.31.255.128/27

C.

192.168.1.0/28

D.

209.165.202.128/27

Question 10

Which of the following parameters are optional when configuring a BGP peer? (Select 2 answers)

Options:

A.

IP address

B.

Description

C.

Password

D.

AS-number

Question 11

In which of the following states do BGP peers refuse to initiate or accept connection requests?

Options:

A.

Established

B.

OpenSent

C.

Active

D.

Idle

Question 12

Which of the following LSAs are flooded within a single area? (Select 3 answers)

Options:

A.

The Router LSAs

B.

The Network LSAs

C.

The Summary LSAs

D.

The AS external LSAs

Question 13

In VRP, by default, a BGP router automatically retransmits an update packet to its peers after the outbound routing policy for the BGP peers changes.

Options:

A.

TRUE

B.

FALSE

Question 14

Which of the following routes match the ACL filter given below? (Select 2 answers)

"acl number 2001

rule 0 permit source 1.1.1.0 0.0.254.255"

Options:

A.

1.1.1.1/32

B.

1.1.2.1/32

C.

1.1.3.1/32

D.

1.1.4.1/32

Question 15

Which of the following BGP attributes are optional in a BGP Update packet? (Select 2 answers)

Options:

A.

Origin

B.

Nexthop

C.

Local-Preference

D.

MED

Question 16

Which of the following statements regarding multicast MAC addresses are true (Select 3 answers)

Options:

A.

The high-order 24 bits of a multicast MAC address are 0x01005e while the low-order 23 bits of a multicast MAC address are the low-order 23 bits of a multicast IP address.

B.

One multicast MAC address can map 32 different IP multicast addresses.

C.

Multicast MAC addresses are used in the link layer to identify receivers that are in the same multicast group.

D.

One multicast MAC address can map only one IP multicast address.

Question 17

Which of the following statements are correct regarding BGP attributes? (Select 2 answers)

Options:

A.

Till now, there are 16 BGP attributes

B.

BGP attribute can be extended to 256 types

C.

Well known discretionary attribute may not be included in each BGP update message, such as origin attribute

D.

AS_PATH is an optional transitive attribute

Question 18

What are the functions of route filtering? (Select 3 answers)

Options:

A.

Avoids sub-optimal routes generated during route import,

B.

Avoids routing loops.

C.

Affects route selection by changing route attributes.

D.

Implements accurate route importing and controls route advertisement.

Question 19

RTA and RTB are interconnected through a FE interface in an OSPF area. Which of the following can be used to configure the link cost between RTA and RTB as 10? (Select 2 answers)

Options:

A.

Use command "ospf cost 10" on the two routers

B.

Use command "ospf cost 5" on the two routers

C.

Use command "bandwidth-reference 500" on the two routers to change bandwidth-reference value

D.

Use command "bandwidth-reference 1000" on the two routers to change bandwidth-reference value

Question 20

ACLs can match routing information or data packet addresses to filter unmatched routing information or data packets.

Options:

A.

TRUE

B.

FALSE

Question 21

To which attribute type does the BGP AS-Path attribute belong?

Options:

A.

Well -known Mandatory

B.

Well-known Discretionary

C.

Optional Transitive

D.

Optional Non-transitive

Question 22

A BGP finite state machine has the following states:

Active

OpenConfirm

Idle

Established

OpenSent

What is the state transition sequence to establish a successful BGP peer relationship?

Options:

A.

Idle-OpenSent-OpenConfirm-Active-Established

B.

Idle-Active-OpenSent-OpenConfirm-Established

C.

Active-Id le-OpenSent-OpenConfirm-Established

D.

Idle-Active-OpenConfirm-OpenSent-Established

Question 23

The peer connect-interface" command is recommended to establish peer relationships between two routers connected through "multiple" links.

Options:

A.

TRUE

B.

FALSE

Question 24

BGP is an inter-AS routing protocol. Which statements regarding BGP are true? (Select 3 answers)

Options:

A.

BGP adopts a reliable transmission layer protocol,

B.

BGP supports automatic peer discovery.

C.

BGP supports incremental route updates,

D.

BGP supports various routing policies.

Question 25

Whenever changes occur in the BGP routing table, a BGP Speaker advertises all the optimal routes in the BGP routing table to its peers.

Options:

A.

TRUE

B.

FALSE

Question 26

What is the function of well-known community attribute NO_EXPORT_SUBCONFED in BGP?

Options:

A.

Routes received carrying this value cannot be advertised outside of the confederation.

B.

Routes received carrying this value cannot be advertised to any BGP peers.

C.

Routes received carrying this value cannot be advertised to any EBGP peers.

D.

All above statements are wrong

Question 27

Unlike Stub area, an NSSA supports Type-5 LSAs.

Options:

A.

TRUE

B.

FALSE

Question 28

Which of the following tools cannot be used for route filtering?

Options:

A.

Filter-policy

B.

IP-prefix

C.

Route-policy

D.

Policy-based-route

Question 29

Which of the following commands is used to display the IGMP routing table?

Options:

A.

display igmp group

B.

display igmp interface

C.

display igmp routing-table

D.

display igmp

Question 30

Which of these is a valid VLSM subnet obtained by subnetting the network address 172.29.100.0/16?

Options:

A.

172.29.100.8/28

B.

172.29.100.32/28

C.

172.29.100.60/28

D.

172.29.100.104/28

Question 31

How many bits of the MAC address space is available for mapping IP multicast addresses?

Options:

A.

24

B.

22

C.

25

D.

23

Question 32

Which of the following statements is false?

Options:

A.

A Router-LSA describes the local link state information of a router.

B.

A Network-LSA describes the link state information of a broadcast network or an NBMA network segment.

C.

A virtual link is a virtual adjacency in the backbone area (Area 0).

D.

An AS-external-LSA describes the means to reach an ASBR.

Question 33

Which of the following route entries match the IP-Prefix defined below?

ip ip-prefix test index 10 permit 192.168.0.0 16 greater-equal 24 less-equal 28

(Select 2 answers)

Options:

A.

192.168.1.0/24

B.

192.10.2.0/24

C.

192.168.3.0/25

D.

192.168.4.0/30

Page: 1 / 8
Total 225 questions