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Huawei H12-224 Practice Test - Questions Answers, Page 52

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You cannot set an aging time for the blacklist of the USG.

A.
TRUE
A.
TRUE
Answers
B.
FALSE
B.
FALSE
Answers
Suggested answer: B

Which of the following routes match this ACL filter? (Choose two.)

A.
1.1.1.1/32
A.
1.1.1.1/32
Answers
B.
1.1.2.1/32
B.
1.1.2.1/32
Answers
C.
1.1.3.1/32
C.
1.1.3.1/32
Answers
D.
1.1.4.1/32
D.
1.1.4.1/32
Answers
Suggested answer: A, C

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

A.
TRUE
A.
TRUE
Answers
B.
FALSE
B.
FALSE
Answers
Suggested answer: B

Which of the following statements is false?

A.
A Router-LSA describes the local link state information of a router.
A.
A Router-LSA describes the local link state information of a router.
Answers
B.
A Network-ISA describes the link state information of a broadcast network or an NBMA network segment.
B.
A Network-ISA describes the link state information of a broadcast network or an NBMA network segment.
Answers
C.
A virtual link is a virtual adjacency in the backbone area (Area 0).
C.
A virtual link is a virtual adjacency in the backbone area (Area 0).
Answers
D.
An AS-external-ISA describes the means to reach an ASBR.
D.
An AS-external-ISA describes the means to reach an ASBR.
Answers
Suggested answer: D

Which of the following statements about the Reverse Path Forwarding (RPF) mechanism are true? (Choose two.)

A.
Multicast RPF does not depend on unicast routing.
A.
Multicast RPF does not depend on unicast routing.
Answers
B.
All multicast protocols adopt the RPF mechanism.
B.
All multicast protocols adopt the RPF mechanism.
Answers
C.
A router discards the received multicast packets if the packets fail the RPF check.
C.
A router discards the received multicast packets if the packets fail the RPF check.
Answers
D.
The RPF mechanism has two functions: 1. It prevents multicast routing loops; 2. It avoids forwarding redundant multicast data packets.
D.
The RPF mechanism has two functions: 1. It prevents multicast routing loops; 2. It avoids forwarding redundant multicast data packets.
Answers
Suggested answer: C, D

What are the functions of route filtering? (Choose three.)

A.
Avoids sub-optimal routes generated in route importing.
A.
Avoids sub-optimal routes generated in route importing.
Answers
B.
Avoids routing loops.
B.
Avoids routing loops.
Answers
C.
Affects route selection by changing route attributes.
C.
Affects route selection by changing route attributes.
Answers
D.
Implements accurate route importing and controls route advertisement.
D.
Implements accurate route importing and controls route advertisement.
Answers
Suggested answer: A, B, D

The preceding information is generated after a router receives a Report message from group 225.0.0.1 through Ethernet 6/1/0.

Which type of Report message will not be processed by the router?

A.
IS_IN
A.
IS_IN
Answers
B.
ALLOW
B.
ALLOW
Answers
C.
BLOCK
C.
BLOCK
Answers
D.
TO_IN
D.
TO_IN
Answers
Suggested answer: C

Which of the following attacks are prevented after an IP address and MAC address are bound on the USG? (Choose two.)

A.
IP address spoofing
A.
IP address spoofing
Answers
B.
MAC address spoofing
B.
MAC address spoofing
Answers
C.
DoS attack
C.
DoS attack
Answers
D.
DDoS attack
D.
DDoS attack
Answers
Suggested answer: A, B

An IP network can provide various packet forwarding services. Users are concerned about which of the following during packet forwarding? (Choose three.)

A.
Throughput
A.
Throughput
Answers
B.
Delay
B.
Delay
Answers
C.
Cost
C.
Cost
Answers
D.
Loss of packet
D.
Loss of packet
Answers
Suggested answer: A, B, D

How many hosts are available per subnet if you apply a /21 mask to the class B network?

A.
510
A.
510
Answers
B.
512
B.
512
Answers
C.
1022
C.
1022
Answers
D.
2046
D.
2046
Answers
Suggested answer: D
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