QoS in best-effort service mode uses which of the following queue scheduling technology?
A. FIFO
B. WFQ
C. PQ
D. RR
Assume that congestion occurs on the outbound interface, packet A is cached in the PQ, and packet B is cached in the WFQ, which of the following statement about packet scheduling is true?
A. Packet A is scheduled first.
B. Packet B is scheduled first.
C. Packets A and B are scheduled at the same time.
D. Packets A and B are discarded.
A company reserves the network segment 172.29.100.0/26 for some remote small-scale sites and each site has 5 IP devices to connect to this network segment. Which of the following VLSM masks can be used to provide minimum number of hosts to meet such a requirement?
A. /27
B. /28
C. /29
D. /30
If the Router Priority of a router is set to 0, this router cannot be elected as a DR or a BDR.
A. True
B. False
Which statements about prerequisites to establishing a BGP peer relationship are true? (Choose two.)
A. BGP peers have been manually configured.
B. A TCP connection has been established between two neighboring routers.
C. BGP peers have exchanged routing information.
D. MD5 authentication has been configured on BGP peers.
By default, the cost of an OSPF interface is calculated based on the bandwidth. The formula to calculate the cost is reference bandwidth/interface bandwidth.
A. TRUE
B. FALSE
VLANs isolate broadcast domains, eliminates broadcast storms, and enhances information security.
A. True
B. False
Which of the following statements regarding the operation window time for a software upgrade is false?
A. It is determined by the accepted service interruption duration.
B. It must be longer than the upgrade execution time.
C. Troubleshooting time must be reserved.
D. Only network maintenance personnel need to be notified of the operation window time, while the customer does not.
Software upgrade operations are similar for Huawei datacom products. Therefore, before a software upgrade, you only need to briefly read the upgrade guide.
A. TRUE
B. FALSE
Which of the following statements regarding Agile Controller guest account application mode is false?
A. Created by the administrator
B. Created by employees with guest management rights
C. Created by the receptionist
D. Registered by guests