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Huawei H12-221 HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network) Exam Practice Test

Demo: 33 questions
Total 225 questions

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

Question 1

The most remarkable characteristic of OSPF is that it can support the link-state algorithm.

Options:

A.

TRUE

B.

FALSE

Question 2

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

Question 3

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

Options:

A.

TRUE

B.

FALSE

Question 4

The ABR in a Totally Stubby area will not advertise Type-3, Type-4, and Type-5 LSAs into the Totally Stubby area. Instead, the ABR will advertise a default route to the Totally Stubby area enabling packet forwarding to other destinations.

Options:

A.

TRUE

B.

FALSE

Question 5

In VRP, by default, a BGP router does not automatically send a refresh packet to its BGP peers for retransmitting an Update packet after the inbound routing policy of the BGP peers changes.

Options:

A.

TRUE

B.

FALSE

Question 6

Routes 172.1.12.0/24, 172.1.13.0/24, 172.1.14.0/24, and 172.1.15.0/24 can be summarized into route 172.1.8.0/21.

Options:

A.

TRUE

B.

FALSE

Question 7

Which of the following concepts should a network administrator know while using VLSM technology for subnetting? (Select 3 answers)

Options:

A.

A subnet is composed of only summarized routes.

B.

A subnet can address a host or be further subnetted.

C.

The routing updates must carry subnet mask information.

D.

The summarized networks must have the same high-order bit.

Question 8

The unicast and multicast technologies are both outstanding in solving the problem of "single source, multiple destinations" in order to allow efficient P2MP data transmission.

Options:

A.

TRUE

B.

FALSE

Question 9

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 10

Default routes between routers are a low-cost solution because they are easy to configure and requires less system resources when compared with maintaining a complete routing table.

Options:

A.

TRUE

B.

FALSE

Question 11

Which of the following statements regarding the features of VLSM are true? (Select 2 answers)

Options:

A.

VLSM supports both IPv4 and IPv6.

B.

VLSM supports overlapping address ranges.

C.

VLSM allows for summarization of routes

D.

VLSM can divide a subnet into smaller subnets.

Question 12

OSPF supports two authentication modes: area authentication and interface authentication. These two modes cannot be configured at the same time.

Options:

A.

TRUE

B.

FALSE

Question 13

Based on BGP route selection rules, the route with the lowest multi-exit discriminator (MED) is preferred.

Options:

A.

TRUE

B.

FALSE

Question 14

A company has four departments. Department A has SO PCs, Departments B and C both have 20 PCs, and Department D has 30 PCs. Assuming the IP address 192.168.1.0/x is used, which of the following statements are true if the VLSM technology is employed for subnetting? (Select 2 answers)

Options:

A.

Plan subnet 192.168.1.0/25 for Department A. The range of host addresses is 1 to 126.

B.

Plan subnet 192.168.1.128/27 for Department B. The range of host addresses is 129 to 159.

C.

Plan subnet 192.168.1.160/27 for Department C. The range of host addresses is 161 to 190.

D.

Plan subnet 192.168.1.192/27 for Department D. The range of host addresses is 192 to 222.

Question 15

On a broadcast network or an NBMA network, not all neighbors need to set up adjacencies with each other. Therefore, the concept of establishing adjacency is applicable only to the broadcast network or the NBMA network.

Options:

A.

TRUE

B.

FALSE

Question 16

Which of the following statements is false?

Options:

A.

An ABR maintains a separate LSDB for each area it is attached to. ABRs have multiple LSBDs.

B.

Metric, an ASE LSA parameter, can be specified when an external route is imported with 1 as its default value.

C.

The externally-derived routing information carries a tag for transmitting additional information of the route which is commonly used in a routing policy. The default value of the Tag label is 0.

D.

The Link State ID is the Router ID of the ASBR for type 4 LSAs.

Question 17

If there are two BGP routes with the same destination address but different next hops in a BGP routing table, then which statement regarding the two BGP routes is true?

Options:

A.

Both BGP routes are advertised to other BGP peers.

B.

Only the optimal route between the two is advertised to other BGP peers.

Question 18

Which of the following connection types can a Router LSA describe? (Select 3 answers)

Options:

A.

Point-to-point

B.

Star

C.

Transit

D.

Virtual link

Question 19

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 20

What is the default LOCAL_PREF and PREFERRED-VALUE assigned to routes in a VRP system?

Options:

A.

0,32768

B.

100,0

C.

255,100

D.

32768,0

Question 21

Which of the following statements is false?

[RTA]display ospf peer

OSPF Process 1 with Router ID 1.1.1.1

Neighbors

Area 0.0.0.0 interface 10.1.1.1(Ethernet0/0)'s neighbor(s)

RouterlD: 2.2.2.2 Address: 10.1.1.2

State: Full Mode: Nbr is Master Priority: 1

DR: 10.1.1.1 BDR: 10.1.1.2

Dead timer expires in 35s

Neighbor has been up for 04:35:02

Options:

A.

The OSPF Router ID of the local router is 1.1.1.1.

B.

The OSPF Router ID of the neighbor is 2.2.2.2.

C.

The OSPF Router ID of the neighbor is larger and thus the neighbor acts as a DR.

D.

The local router acts as slave.

Question 22

How does a BGP router process a received route whose next hop is unreachable?

Options:

A.

The BGP router sends an error message to the router that has sent the update message.

B.

The BGP router accepts the route and adds it to the BGP routing table. This route, however, is neither preferred nor added to the IP routing table for packet forwarding.

C.

The BGP router refuses the route.

D.

The BGP router accepts the route and adds it to the BGP routing table. This route participates in route selection and may be selected as the optimal route to be added to the IP routing table for packet forwarding.

Question 23

ABRs advertise link state information about non-backbone areas into backbone areas. The backbone area then advertises the routing information into other non-backbone areas. Link state information about the backbone area cannot be advertised into non-backbone areas.

Options:

A.

TRUE

B.

FALSE

Question 24

In OSPF protocol, Different types of networks cannot establish an adjacency with each other in the Full state.

Options:

A.

TRUE

B.

FALSE

Question 25

Which of the following routes matches the ACL filter given below?

"acl number 2001

rule 0 permit source 1.1.0.0 0"

Options:

A.

1.1.1.1/32

B.

1.1.1.0/24

C.

1.1.0.0/16

D.

1.0.0.0/8

Question 26

The ABR of an NSSA does not advertise Type-4 and Type-5 LSAs to an NSSA instead it imports external routes into the NSSA,

Options:

A.

TRUE

B.

FALSE

Question 27

The process of determining the shortest path can be divided into two phases: determine transit node first, and then determine the stub network.

Options:

A.

TRUE

B.

FALSE

Question 28

Which of these addresses are reserved for use by multicast applications?

Options:

A.

Class A

B.

Class B

C.

Class E

D.

Class D

Question 29

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 30

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 31

Generally, the performance of an IP-prefix-filter is greater than that of an ACL.

Options:

A.

TRUE

B.

FALSE

Question 32

A failure in establishing a BGP connection can be addressed by checking the TCP connectivity and BGP peer configurations.

Options:

A.

TRUE

B.

FALSE

Question 33

What does the IP-prefix-filter "ip ip-prefix test index 10 deny 0.0.0.0 0 less-equal 32" mean?

Options:

A.

Matching only default routes

B.

Matching all routes

C.

Denying only default routes

D.

Denying all routes

Demo: 33 questions
Total 225 questions