H12-224 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

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Question No : 1
Which of the following commands can leak routes of Level-2 areas into Level-1 areas?

A.import isis level-2 into level-1
B.import-route isis level-2 into level-1
C.advertise isis level-2 into level-1
D.export isis level-2 into level-1

正解:

Question No : 2
Man-in-the-middle attacks or IP/MAC Spoofing attacks are common on intra nets and will cause information leakage.
Which configuration method can prevent these attacks?

A.Configure the trusted or untrusted interface.
B.Limit the maximum number of MAC addresses that can be learned on a switch interface.
C.Configure DHCP snooping to check the CHADDR field carried in a DHCP Request packet.
D.Configure association between DHCP snooping and IPSG or DAI on the switch.

正解:

Question No : 3
In the multicast network environment, how do an IGMPv1 host and an IGMPv2 muter on the same LAN interact with each other? (Multiple Choice)

A.If any host on a LAN is running IGMPv1, all hosts on the LAN must also use IGMPv1.
B.Membership Report messages sent from the IGMPv1 host will be received by the IGMPv2 muter.
C.If the IGMPv1 is in a specific group, the IGMPv2 muter must ignore all Leave messages received from this group.
D.The version 2 muter must set a countdown timer associated with the group that takes into account the presence of the version 1 host.

正解:

Question No : 4
In most cases, an IP address that is dynamically assigned by a DHCP server has a lease.
Which of the following statements regarding the IP address lease is false?

A.The lease renewal timer is 50% of the total lease. When the lease renewal timer expires, the DHCP server must renew the IP address lease.
B.The rebinding timer is 87.5% of the total lease.
C.If the rebinding timer expires but the DHCP client does not receive any responses from the DHCP server, the DHCP client keeps sending DHCP Request packets to the DHCP server which assigned an IP address to it before, until the total lease expires.
D.If the DHCP client receives a DHCP NAK packet within the lease, the client stops using the current IP address immediately and returns to the initialization state. The DHCP client then applies for a new IP address.

正解:

Question No : 5
MPLS performs different actions on labels.
What is the meaning of the pop action?

A.The top label is removed from the MPLS label stack.
B.The top label is added to the MPLS label stack.
C.The top label is replaced with another value.
D.The top label is replaced with the label of another group.

正解:

Question No : 6
What happens when the topology of a network running RSTP changes?

A.Packets are flooded on the entire network.
B.The aging time of MAC address entries is changed.
C.Some MAC address entries are deleted.
D.The entire MAC address table is deleted.

正解:

Question No : 7
In the Agile Controller’s access control scenario, Which of the following statements regarding the roles of the RADIUS server and client is true?

A.The Agile Controller integrates all functions of the RADIUS server and client.
B.The Agile Controller as the RADIUS server, while the user terminal as the RADIUS client.
C.The authentication device (such as a 802.1X switch as the RADIUS server, while the user terminal as the RADIUS client.
D.The Agile Controller as the RADIUS server, while the authentication device (such as a 802.1X switch) as the RADIUS client.

正解:

Question No : 8
Which of the following statements regarding the any-source multicast (ASM) and source-specific multicast (SSM) models are true? (Multiple Choice)

A.In the SSM model, the receiver hosts have obtained the specific location of the multicast source in advance by other methods.
B.In the ASM model, receiver hosts cannot obtain locations of multicast sources in advance.
C.The SSM model and ASM model use the same multicast group address range.
D.In the SSM model, a multicast distribution tree is established directly between a multicast source and its receiver hosts.

正解:

Question No : 9
VXLAN users can access the Internet through VXLAN interfaces.

A.TRUE
B.FALSE

正解:

Question No : 10
What are differences between the DiffServ and IntServ models? (Multiple Choice)

A.The DiffServ model provides different services destined for different destinations.
B.The DiffServ model provides different services destined for different sources.
C.The DiffServ model does not need to maintain the status of each flow.
D.The DiffServ model applies to large-scale backbone networks.

正解:

Question No : 11
At which layer does a packet filtering firewall check data packets?

A.Application layer
B.Physical layer
C.Network layer
D.Link layer

正解:

Question No : 12
On a carrier’s MPLS VPN network, PE1 and PE2 transmit data packets between VPNs. After PE1 receives VPN route 172.16.1.0/24 from a client, it converts the route into a VPNv4 route and distributes label 1027 to the packet. After the packet arrives at PE2, PE2 distributes label 1025 to the packet.
When a client on PE2 accesses this route, what are the outer and inner labels in the packet transmitted over the carrier network?

A.Outer label: 1027; inner label: 1025
B.Outer label: 1025; inner label: 1025
C.Outer label: 1027; inner label: 1027
D.Outer label: 1025; inner label: 1027

正解:

Question No : 13
Which of the following statements regarding Huawei eSight network management software is false?

A.Multiple users can be created for network management.
B.Users may be asked to log in to eSight from specified IP addresses in specific time ranges.
C.The administrator can force unauthorized login users to log out.
D.The login time of the administrator role also can be limited.

正解:

Question No : 14
In a route-policy, which of the following BGP attributes can be used in if-match clauses? (Multiple Choice)

A.Local-Preference
B.AS_Path
C.TAG
D.Community

正解:

Question No : 15
Which information of labels is used for simple traffic classification?

A.DSCP priority
B.IP precedence
C.MPLS EXP priority
D.802.1p priority

正解:

Huawei H12-224 問題練習