Huawei HCIP-Access V2.5 - H35-211_V2.5-ENU 模擬練習
Which of the following descriptions are wrong? (Multiple choice)
正解: B,D
When SIP users register for the first time, the first message that the server responds to is?
正解: C
Enable DHCP Option 82 switch in global and VLAN service template mode. Ports and service virtual ports allow user-side DHCP messages to carry ption82 information. When the access device receives user-side DHCP option 82 messages, what is processed strategy?
正解: B
In order to improve link reliability, the OLT device configures Timed lay protection through two uplink ports 0/19/0 and 0/20/0, which of the following commands is optional?
正解: D
Which of the following statements about the PITP protocol is wrong?
正解: A
Which of the following belongs to OLT uplink networking protection? (Multiple choice)
正解: A,C
In Layer 2 network, in order to better control the forwarding of multicast traffic, which protocols may usually be used?
正解: B
In the process of GPON ONU SIP voice service opening, what are the options for data planning in advance? (Multiple choice)
正解: A,D
The SNMPv2c version can encrypt user passwords.
正解: B
The protocol used to manage multicast membership is?
正解: A
XGS PON technology N1 standard is adopted in a park project (link attenuation range is 14~29d8), ONU is used for AP backhaul, and the concurrent upstream and downstream bandwidth of each ONU is 150 Mbps/300 Mbps. The maximum link loss is 10dB. How much splitting ratio should be used in the project?
正解: C
At present, operators pay more and more attention to the reliability of the network, and put forward various reliability requirements for the equipment of the access network, from the reliability requirements of a single node to the end-to-end reliability requirements, these requirements mainly include which of the following aspects? (Multiple choice)
正解: A,B,C,D
Which of the following descriptions about the HWTACACS protocol function is wrong?
正解: C
GPON and 10G GPON use the same ODN network, but GPON and 10G GPON are two independent and interference-free channels that exist at the same time and work at the same time; each has its own bandwidth.
正解: A
The number of users under the OLT can also determine whether the VLA adopts single-layer or double-layer VLAN mode. Single-layer VLAN can be used when the number of users is small, and double-layer VLAN must be used when the need to differentiated services and the number of users is second to ().
正解: A
The stages and sequence of the general network design meeting are
正解: A
EA 5800/MA 5800 only supports IGMP-PROXY, do not support Igmp-snoop in
正解: B
Which of the following options is correct about congestion management?
正解: A
Deploying Ethernet port protection groups in the upstream direction of the OLT can improve uplink reliability and uplink bandwidth.
正解: B
Which commands can be issued by the MG in the commands used in the H.248 protocol? (Multiple choice)
正解: A,C