Sep 16, 2021 Step by Step Guide to Prepare for H12-222 Exam BrainDumps

Huawei-certification H12-222 Real Exam Questions and Answers FREE Updated on 2021

NEW QUESTION 174
Which of the following command is used to configure Eth2/0/3 as a local observing port on a Huawei AR router?

• A. observe-port interface Ethernet2/0/3
• B. monitor-port interface Ethernet2/0/3
• C. server-port interface Ethernet2/0/3
• D. mirror-port interface Ethernet2/0/3

Answer: B

 

NEW QUESTION 175
Which of the following protocols are multi-channel protocols? (Multiple Choice)

• A. H.323
• B. FTP
• C. Telnet
• D. SMTP

Answer: A

 

NEW QUESTION 176
LDP uses Discovery messages to discover neighbors through different neighbor discovery mechanisms.
Which of the following statements regarding basic discovery mechanisms are true? (Multiple Choice)

• A. The destination IP address of the LDP Discovery message is the multicast IP address 224.0.0.2.
• B. The LDP Discovery message is sent to the specified LDP peer.
• C. The LSR does not send Hello messages any longer after TCP connections are established.
• D. The LDP Discovery message is encapsulated into a UDP packet and its destination port number is 646.

Answer: A,D

 

NEW QUESTION 177
Which of the following statements regarding the ingress node in MPLS forwarding process are correct?
(Multiple Choice)

• A. The label operation type is Push.
• B. The ingress node finds the NHLFE entry matching the tunnel ID in the ILM table to associate LFIB and NHLFE entries.
• C. The ingress node checks the NHLFE entry to obtain the outbound interface, next hop, outgoing label, and label operation type.
• D. The ingress node adds the obtained label to the IP packet, processes EXP by QoS policy, processes the TTL, and forwards the encapsulated MPLS packet to the next hop.
• E. After receiving a data packet, the ingress node searches for tunnel ID in the ILM table first.

Answer: A,C

 

NEW QUESTION 178
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: 1027
• C. Outer label: 1027; inner label: 1027
• D. Outer label: 1025; inner label: 1025

Answer: B

 

NEW QUESTION 179
VXLAN technology is only used to build an inter-DC Layer 2 network.

• A. TRUE
• B. FALSE

Answer: B

 

NEW QUESTION 180
MPLS supports multi-layer labels and connection-oriented on the forwarding plane, therefore it is widely used.
So which of the following is not the cause for MPLS deployment?

• A. Using VPN services
• B. Simplifying route query on software-based routers
• C. Traffic engineering capabilities
• D. Wide recognition by vendors

Answer: D

 

NEW QUESTION 181
Which of the following statements regarding the trusted and untrusted zones are true? (Multiple Choice)

• A. The direction for the access from the trusted zone to the untrusted zone is the inbound direction.
• B. The direction for the access from the trusted zone to the untrusted zone is the outbound direction.
• C. The security level of the untrusted zone is 50.
• D. The security level of the trusted zone is 85.

Answer: B,D

 

NEW QUESTION 182
MSLS is called multi-protocol label switching. For label description in MPLS, which is correct? (Multiple choice).

• A. The label stack organizes the labels in LastlnFustOut manner, and processes the labels from the stack.
• B. The label is encapsulated between the link layer and the network g
• C. The label stack organizes the labels in LastlnFustOut manner, and processes the labels from the top of the stack.
• D. Fixed length on the label for 4 bytes

Answer: B,C,D

 

NEW QUESTION 183
With the development of the ASIC technology, MPLS is no longer show obvious advantages in improving the forwarding speed. However, MPLS is still widely used causes for what? (Multiple Choice)

• A. MPLS supports multi-layer labels, and the connection-oriented.
• B. Support Applications like traffic engineering (TE), virtual private network (VPN), quality of service (QoS) provide better solutions.
• C. MPLS integrates the powerful Layer 3 routing function of the IP network and the highly effective forwarding mechanism of the traditional Layer 2 network.
• D. MPLS cannot easily implement seamless integration between IP and Layer 2 networks such as the ATM and frame relay.

Answer: A,B,C

 

NEW QUESTION 184
Which information are included in the DHCP binding entry? (Multiple Choice)

• A. IP address
• B. MAC address
• C. Physical port and UDP port
• D. Lease time

Answer: A,B,D

 

NEW QUESTION 185
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 as the RADIUS server, while the authentication device (such as a 802.IX switch) as the RADIUS client.
• B. The Agile Controller integrates all functions of the RADIUS server and 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 user terminal as the RADIUS client.

Answer: B,D

 

NEW QUESTION 186
PQ classification mechanism supports the standard or extended ACL.

• A. TRUE
• B. FALSE

Answer: A

 

NEW QUESTION 187
Which of the following statements regarding MPLS label encapsulation format are true? (Multiple Choice)

• A. The total length of an MPLS label is 4 bytes (32 bits).
• B. For Ethernet and PPP packets, a label stack is located between the Layer 2 packet header and data. If a VLAN tag is available, the label stack is placed before the VLAN tag.
• C. The TTL field in an MPLS label has the same meaning as that in an IP packet, and can prevent loops.
• D. The S field in an MPLS label has 1 bit and is used to identify whether the label is the bottom-of-stack label. If the value is 1, the label is a penultimate-layer label.

Answer: A,C

 

NEW QUESTION 188
Which of the following statements regarding Free Mobility of the Agile Controller are true? (Multiple Choice)

• A. Free Mobility defines higher forwarding priorities for the VIP user group to ensure their network experience.
• B. Free Mobility uses a configuration matrix to define access permissions between two security groups such as users and servers.
• C. In the Free Mobility, Administrators can add static network segments or server resources to security groups, and manually bind their IP addresses to the security groups.
• D. When administrators configure Free Mobility, they need to select proper authentication points and policy execution points.

Answer: A,B,D

 

NEW QUESTION 189
IP packets are marked with the ToS field for QoS, and the first 6 bits of the ToS field mark the DSCP priority.

• A. TRUE
• B. FALSE

Answer: A

 

NEW QUESTION 190
Which of the following statements regarding the switch configuration are true? (Multiple Choice)

• A. By default, the DHCP service must be enabled when you configure the DHCP server and DHCP relay agent.
• B. By default, DHCP servers on the network are added to dhcpgroup1 automatically.
• C. VLANIF 100 receives DHCP packets and forwards the packets to the external DHCP server through a relay agent.
• D. Specify VLANIF 100 to the DHCP server group dhcpgroup1.
• E. Create a DHCP server group first and add a DI-ICP server to the group.

Answer: A,C,D,E

 

NEW QUESTION 191
Which of the following statements regarding the DiffServ model is false?

• A. It can be implemented through technologies such as CAR or queue scheduling technologies.
• B. Different methods can be used to specify QoS of packets, for example, IP precedence, source IP address, and destination IP address of IP packets.
• C. Signaling is required. Before transmitting packets, an application does not need to notify a router and the network does not need to maintain the status for each flow.
• D. The DiffServ model provides the E2E QoS guarantee for important applications.

Answer: B,C,D

 

NEW QUESTION 192
Which of the following statements regarding the DSCP priority is false?

• A. Each DSCP priority corresponds to a Behavior Aggregate (BA), and a PHB can be specified for each BA.
• B. The DSCP priority can be used to classify traffic into 32 types.
• C. You can use some QoS mechanisms to implement PHB.
• D. The first 6 bits of the ToS field (leftmost 6 bits) mark different types of services, namely, DSCP priority.

Answer: B

 

NEW QUESTION 193
Which configuration modes are supported by VXLAN? (Multiple Choice)

• A. Automatic configuration
• B. Virtualization software configuration
• C. SNMP configuration
• D. SDN controller configuration

Answer: B,D

 

NEW QUESTION 194
Which of the following items is not the disadvantage of the traditional congestion avoidance mechanism (tail drop)?

• A. High jitter and long delay
• B. Global TCP synchronization
• C. Packets are discarded without differentiating the priority
• D. High cost

Answer: A

 

NEW QUESTION 195
Which of the following statements regarding the VRRP master is false?

• A. Even if the router becomes the master, the backup router with a higher priority preempts to be the master.
• B. The VRRP master forwards IP packets destined for the virtual MAC address.
• C. The VRRP master periodically sends VRRP packets.
• D. The VRRP master uses the virtual MAC address to respond to ARP Request packets destined for the virtual IP address.

Answer: A

 

NEW QUESTION 196
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