H12-223 Exam Questions
177 real H12-223 exam questions with expert-verified answers and explanations. Page 1 of 4.
- Question #1
Software upgrade operations are similar for Huawei datacom products. Therefore, before a software upgrade, you only need to briefly read the upgrade guide.
- Question #2
In a complex network environment, the unstructured network troubleshooting process may result in a new fault, making network troubleshooting more difficult.
- Question #3
Migration rollback is to restore the network state back before the migration.
- Question #4
In most cases, a risky operation solution can be reviewed and finalized one day before implementation.
- Question #5
Which of the following statements regarding the device software upgrade necessity are true? (Multiple Choice)
- Question #6
During the structured network troubleshooting process, which of the following statements regarding the fault identification phase is true?
- Question #7
If network reconstruction in a project may affect services running on the live network, the implementer needs to formulate strict implementation process regulations and risk preven...
- Question #8
In the current Internet access market, carriers are promoting fiber to the home (FTTH). Which of the following technologies is mainly used by FTTH?
- Question #9
The essence of SDN is to construct a brain for a network and achieve optimal gbbal traffic through the global view and centralized control.
- Question #10
Which of the following causes may lead to a failure for hosts in the same VLAN to communicate with each other? (Multiple Choice)
- Question #11
Which of the following cabling modes are commonly used in a data center? (Multiple Choice)
- Question #12
Which of the following network features is described by counters such as mean time between failures (MTBF) and mean time to repair (MTTR)?
- Question #13
During the structured network troubleshooting process, in which of the following phases is the fault reported or advertised to other departments? (Multiple Choice)
- Question #14
Which of the following aspects should be considered for migration risk assessment? (Multiple Choice)
- Question #15
To rectify a VRRP group two-master fault, run the display this command on VLANIF interfaces on both ends of the VRRP group. Which of the following operations is not performed?
- Question #16
Which of the following is the purpose of access security optimization?
- Question #17
Compared with a three-layer network architecture, a two-layer network architecture has simple topology and high data forwarding efficiency. The network architecture will transform...
- Question #18
During follow-up operations of the structured network troubleshooting process, which of the following parties does not require advertisement of information?
- Question #19
S7700 and S9700 switches are Huawei's modular campus switches. Compared with the S7700, what advantages does the S9700 have?
- Question #20
Which of the following contents are included in a project implementation solution? (Multiple Choice)
- Question #21
Which of the following does not require customers' signing in a migration project?
- Question #22
Which of the following statements regarding the service running status check is true?
- Question #23
Which of the following operations are performed during migration acceptance? (Multiple Choice)
- Question #24
Which of the following networks are involved during construction of a large enterprise network? (Multiple Choice)
- Question #25
Which of the following networks are involved during construction of a large enterprise network? (Multiple Choice)
- Question #26
Which of the following is not an external risk to a project?
- Question #27
Ethernet supports broadcast. Once a network loop occurs, this simple broadcast mechanism will cause catastrophic consequences. Which of the following symptoms may be caused by a lo...
- Question #28
Access control is used to limit the traffic rate or block specific traffic based on reachable network routes to meet service management and control needs.
- Question #29
A local key pair must be configured for a device working as an SSH server.
- Question #30
Which of the following steps or measures are taken in the one-by-one check phase of the structured network troubleshooting process? (Multiple Choice)
- Question #31
Which of the following information can be learned based on the industry background of the project?
- Question #32
Which of the following contents are included in a migration project solution? (Multiple Choice)
- Question #33
Which of the following formulas is used to calculate availability?
- Question #34
Which of the following work is not prepared before the migration?
- Question #35
Which of the following statements regarding network maintenance functions are true? (Multiple Choice)
- Question #36
To reduce the device overhead, perform network monitoring at the network ingress, server interfaces, and key links.
- Question #37
Employees in an enterprise often need to connect to the enterprise's intranet for remote access when going on business. Which of the following technologies can meet this demand?
- Question #38
After PPP Multilink is configured, data is evenly allocated to member links based on the source and destination addresses,
- Question #39
A customer needs to select Layer 3 100M switches from a series of Huawei's campus switches. Which of the following series is proper?
- Question #40
Enterprise services have strict requirements for QoS in networks. Which of the following counters can be used to indicate network QoS. (Multiple Choice)
- Question #41
During network design, VLANs are assigned in many ways. Which of the following ways is seldom adopted?
- Question #42
Which of the following items is conducted in the cause list phase of the structured network troubleshooting process?
- Question #43
Which of the following causes may result in a BGP peer relationship fault? (Multiple Choice)
- Question #44
In network design, a redundant network topology can be used to provide higher reliability for customer services. Which of the following topologies can be used to provide redundancy...
- Question #45
To improve STP running stability, a network administrator wants to configure some STP features or protection mechanism on switches. Which of the following configuration roadmaps is...
- Question #46
If a neighbor has not advertised a route, the neighbor may have not put description information about the route to the local OSPF LSDB.
- Question #47
Coaxial cables are used to carry video signals of cable TVs but not data signals.
- Question #48
A network administrator fails to access devices on the internal network through Telnet. Which of the following causes is the most impossible?
- Question #49
During unpacking and inspection, the device appearance is intact and all modules work properly after the first power-on. After the device continuously runs for 24 hours, a fault oc...
- Question #50
The migration kick-off meeting is held to communicate with the customer about the project. Communication with other involved parties is not important.