This is part of output information on router Huawei. Which of the following statements regarding the output information is false?
Answer(s): A
The output shows Group/MaskLen: 224.0.0.0/4, which means it covers the multicast group range from 224.0.0.0 to 239.255.255.255. This is the entire IPv4 multicast address range.The claim in option A that the group address is 225.0.0.0 is incorrect because 225.0.0.0 is just one of many multicast addresses within the specified range, and the output does not limit the group address specifically to this address.
The following is part of output information on router Huawei. Which of the following statements regarding the output information is false?
PIM DR: The DR (Designated Router) address is explicitly stated as 10.1.1.2, not 10.1.1.1.
When OSPFv3 runs on a Huawei router, the router automatically selects an interface address as the Router ID of the OSPFv3 process.
Answer(s): B
In OSPFv3, a Router ID (RID) is a 32-bit value that uniquely identifies the router in the OSPF process.However, unlike OSPFv2, OSPFv3 does not use IPv6 interface addresses to select the Router ID automatically because the RID must be in IPv4 format.If a Router ID is not manually configured using the router-id command, OSPFv3 will try to select the RID automatically from the highest IPv4 address of the router's loopback interfaces. If no loopback interface is configured, it will use the highest IPv4 address among active physical interfaces.If no IPv4 address is available on the router, OSPFv3 cannot start, and an error will be generated.Thus, the statement is false because OSPFv3 does not automatically select an interface address unless it is explicitly in IPv4 format or manually assigned.
FILL BLANKAfter a stack splits, the member switch that fails in MAD competition enters the _______ state. (Capitalize the initial letter.)
When a stack splits and a member switch fails in MAD (Multiple Active Detection) competition, it enters the Recovery state. This is a protective state to prevent dual-active scenarios and avoid network loops or conflicts.
At which layer does a packet filtering firewall check data packets?
A packet filtering firewall operates at the network layer (Layer 3) of the OSI model. At this layer, it inspects data packets and makes filtering decisions based on attributes such as:Source and destination IP addressesProtocols (e.g., TCP, UDP, ICMP)Source and destination port numbersPacket filtering firewalls do not examine data beyond the network layer, such as application-level data. Their primary purpose is to allow or deny packets based on the defined filtering rules.
Which of the following statements regarding Network Address and Port Translation (NAPT) and No Port Translation (No-PAT) is true?
Answer(s): B,D
After NAPT translation, all packets are from the same IP address for external users In NAPT (Network Address and Port Translation), multiple internal private IP addresses are mapped to a single public IP address by differentiating traffic using port numbers.For external users, all packets appear to originate from the same public IP address.In No-PAT mode, the network layer protocol address can be converted In No-PAT mode (also known as basic NAT), only the network layer IP address is translated, while the transport layer ports remain unchanged. This mode is useful when you have one-to-one IP address mapping between internal and external networks.
Which of the following parameters are used in a firewall security policy to match traffic? (Choose all that apply.)
Answer(s): A,B,C
Application:Modern firewalls, especially Next-Generation Firewalls (NGFWs), can inspect traffic at the application layer to identify specific applications (e.g., HTTP, HTTPS, FTP) and enforce application-specific policies.Source security zone:Security zones are logical groupings of interfaces or networks (e.g., "trust" and "untrust" zones). Traffic is matched based on the source zone it originates from.Source IP address:Firewalls can filter traffic based on the source IP address or range, allowing granular control over which devices or networks are permitted or denied.
The stateful inspection firewall uses the session table to trace activated TCP and UDP sessions, firewall security policies determine which sessions are established, and only the packets associated with sessions are forwarded.
A stateful inspection firewall tracks the state of active sessions (such as TCP and UDP) using a session table. It inspects not only the packet headers but also keeps track of the connection's state (e.g., whether the TCP three-way handshake has completed).Session Table: The firewall creates and maintains a session table for all active sessions. This table records details such as source and destination IP addresses, ports, and connection state.Security Policies: The firewall uses predefined security policies to determine whether a session can be established. If the session matches a policy, it is allowed, and subsequent packets belonging to the session are forwarded without being re-evaluated.Packet Forwarding: Only packets that are part of an allowed session (or explicitly permitted by policy) are forwarded. This ensures that unauthorized traffic is dropped.Thus, the statement is true.
Share your comments for Huawei H12-821 exam with other users:
i want hcia exam dumps
good training
very useful
yes need this exam dumps
these questions are a great eye opener
thank you for providing these questions and answers. they helped me pass my exam. you guys are great.
good knowledge
answer 10 should be a because only a new project will be created & the organization is the same.
can you please upload the dump again
is it legit questions from sap certifications ?
question 16 should be b (changing the connector settings on the monitor) pc and monitor were powered on. the lights on the pc are on indicating power. the monitor is showing an error text indicating that it is receiving power too. this is a clear sign of having the wrong input selected on the monitor. thus, the "connector setting" needs to be switched from hdmi to display port on the monitor so it receives the signal from the pc, or the other way around (display port to hdmi).
q 10. ans is d (in the target org: open deployment settings, click edit next to the source org. select allow inbound changes and save
i purchased this exam dumps from another website with way more questions but they were all invalid and outdate. this exam dumps was right to the point and all from recent exam. it was a hard pass.
it was a good experience and i got 90% in the 200-901 exam.
hi please upload this
please upload it
really need this dump. can you please help.
really good and covers many areas explaining the answer.
yes, can you please upload the exam?
how many questions are there in these dumps?
hi team, please upload this , i need it.
question 14 - run terraform import: this is the recommended best practice for bringing manually created or destroyed resources under terraform management. you use terraform import to associate an existing resource with a terraform resource configuration. this ensures that terraform is aware of the resource, and you can subsequently manage it with terraform.
please upload dump. thanks in advance.
great great
answer 16 should be b your organizational policies require you to use virtual machines directly
the question are kind of tricky of you didnt get the hnag on it.
can anyone tell me if this is for rhel8 or rhel9?
good content
pdb and cdb are critical to the database
till 104 questions are free, lets see how it helps me in my exam today.
question # 56, answer is true not false.
i would be requiring dumps to prepare for certification exam
very helpful