HUAWEI H12-221 Training Tools 2019

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NEW QUESTION 1
What is the network address for the IP address 190.233.27.13/16?

  • A. 190.0.0.0
  • B. 190.233.0.0
  • C. 190.233.27.0
  • D. 190.233.27.1

Answer: B

NEW QUESTION 2
Assume that the subnet mask is 255.255.255.248. Which of the following are valid host addresses? (Select 3 answers)

  • A. 192.168.200.87
  • B. 196.123.142.190
  • C. 223.168.210.100
  • D. 220.100.100.154

Answer: BCD

NEW QUESTION 3
The Origin attribute of the BGP routes injected with the network command are considered IGP.

  • A. TRUE
  • B. FALSE

Answer: A

NEW QUESTION 4
A OSPF network may be structured, or subdivided into routing areas. Such routing areas are a set of network segments.

  • A. TRUE
  • B. FALSE

Answer: A

NEW QUESTION 5
Which of the following IP addresses can be used on a public network? (Select 2 answers)

  • A. 172.30.0.1/16
  • B. 127.254.11.15/16
  • C. 172.15.12.7/16
  • D. 193.168.10.4/16

Answer: CD

NEW QUESTION 6
A Router ID is optional in the OSPF configuration.

  • A. TRUE
  • B. FALSE

Answer: B

NEW QUESTION 7
Which of the following problems can be solved by IGMP Snooping?

  • A. Receiver hosts support only IGNPv2, but only the SSM model is used on the network.
  • B. A router receives large quantities of IGMP Report messages due to the existence of large number of hosts on the network.
  • C. Broadcasting of multicast data on Layer 2 devices.
  • D. Validity of IGMP Report messages.

Answer: C

NEW QUESTION 8
All routing protocols can deliver default routes, supporting both forcible delivery and non-forcible delivery.

  • A. TRUE
  • B. FALSE

Answer: B

NEW QUESTION 9
The most remarkable characteristic of OSPF is that it can support the link-state algorithm.

  • A. TRUE
  • B. FALSE

Answer: A

NEW QUESTION 10
Which of the following statements regarding the MED attribute are true? (Select 3 answers)

  • A. Based on BGP route selection rules, the MED has precedence over the AS_Path, Preferred-Value, Local-Preference, and Origin attributes.
  • B. The MED of a BGP route is 100 by default.
  • C. Generally, BGP compares only the MEDs of routes received from the same AS but if the"compare-different-as-med" command is configured, BGP can compare the MEDs of the routes received from multiple ASs.
  • D. the default MED value 0 on a BGP indicates that the route is not specifie
  • E. If the bestroute med-none-as-maximum command is configured, the maximum MED value that can be set is 4294967295.

Answer: ACD

NEW QUESTION 11
ABR of a Stub area does not flood Type-5 and Type-4 LSAs into the area. Therefore, the Stub area does not have the external AS routing capability. ABRs of the Stub area generate a default route into the area which enables packet forwarding to external destinations.

  • A. TRUE
  • B. FALSE

Answer: A

NEW QUESTION 12
Which of the following route entries matches ACL 2001 that is defined below? 1.0.0.0/8 ,1.2.0.0/16,1.2.3.0/24,1.2.4.0/24,1.2.5.0/24, 1.2.6.0/24,1.2.7.0/24,1.2.8.0/24 ACL 2001:
Basic ACL 2001, 1 rule Ad's step is 5
rule 0 permit source 1.2.1.0 0.0.254.255

  • A. 1.2.3.0/24,1.2.4.0/24, 1.2.5.0/24, 1.2.6.0/24,1.2.7.0/24,1.2.8.0/24
  • B. 1.0.0.0/8,1.2.0.0/16,1.2.3.0/24,1.2.4.0/24,1.2.5.0/24, 1.2.6.0/24,1.2.7.0/24,1.2.8.0/24
  • C. 1.2.3.0/24,1.2.5.0/24,1.2.7.0/24
  • D. 1.2.0.0/16,1.2.4.0/24,1.2.6.0/24,1.2.8.0/24

Answer: C

NEW QUESTION 13
Which of the following is used to avoid routing loops in BGP?

  • A. Use ORIGIN attribute to record the origin of the route.
  • B. Use AS_PATH attribute to record all AS areas that a route passes.
  • C. Use NEXTJHOP attribute to record next hop path
  • D. Use MED attribute to influence export selection of other Ass

Answer: B

NEW QUESTION 14
Once a BGP connection is established, a BGP speaker advertises all the optimal routes in the BGP routing table to its peers.

  • A. TRUE
  • B. FALSE

Answer: A

NEW QUESTION 15
When running in non-broadcast networks, OSPF uses one of the two modes: NBMA or P2MP.

  • A. TRUE
  • B. FALSE

Answer: A

NEW QUESTION 16
OSPF directly runs over the IP protocol as protocol number 89.

  • A. TRUE
  • B. FALSE

Answer: A

NEW QUESTION 17
The router ID which is configured in the system view takes precedence over the router ID configured in the BGP view.

  • A. TRUE
  • B. FALSE

Answer: B

NEW QUESTION 18
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.

  • A. TRUE
  • B. FALSE

Answer: B

NEW QUESTION 19
An IP address 192.168.13.175 with the subnet mask 255.255.255.240 can be assigned to a device.

  • A. TRUE
  • B. FALSE

Answer: B

NEW QUESTION 20
Which of the following subnet masks can be used to divide a Class C network into 5 subnets, with each subnet containing a maximum of 20 hosts?

  • A. 255.255.255.192
  • B. 255.255.255.240
  • C. 255.255.255.224
  • D. 255.255.255.248

Answer: C

NEW QUESTION 21
Which of the following statements regarding comparison between ACL and IP-Prefix are true? (Select 2 answers)

  • A. Both ACL and IP-Prefix can perform route filtering
  • B. Both ACL and IP-Prefix can perform data packet filtering
  • C. ACL can perform data packet filtering and route filtering, but IP-Prefix can only perform route filtering
  • D. IP-Prefix can perform data packet filtering and route filtering, but ACL can only perform route filtering

Answer: AC

NEW QUESTION 22
Which BGP attribute is usually used to determine the path along which data flows to an AS?

  • A. Router ID
  • B. Nexthop
  • C. Local-Preference
  • D. MED

Answer: D

NEW QUESTION 23
A router can be configured to run only one BGP routing process.

  • A. TRUE
  • B. FALSE

Answer: A

NEW QUESTION 24
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?

  • A. Both BGP routes are advertised to other BGP peers.
  • B. Only the optimal route between the two is advertised to other BGP peers.

Answer: B

NEW QUESTION 25
Which of the following situatbns will occur when the command multicast bad balance" is configured?(Select 3 answers)

  • A. If there exists no unicast equal-cost routes, multicast load balancing fails.
  • B. If group address-based load splitting is employed, balanced distribution of entries over equal-cost routes cannot be ensured due to hash function limitations.
  • C. Balanced distribution of entries over equal-cost routes can be ensured as long as multicast load balancing is performed.
  • D. During multicast load splitting, traffic may not be balanced among equal-cost routes because multicast load balancing is based on multicast entries not multicast data packets.

Answer: ABD

NEW QUESTION 26
What are the functions of route filtering? (Select 3 answers)

  • 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.

Answer: ABD

NEW QUESTION 27
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