Practice Free H35-211_V2.5-ENU Exam Online Questions
Which of the following descriptions of Type B protection are correct? (Multiple choice)
- A . In a single-homed scenario, add two PON access ports on an OLT to a protection group.
- B . Two PON access ports on an OLT can be on the same PON board
- C . The two PON access ports on an OLT can be on different PON boards
- D . In a dual-homing scenario, add the two PON access ports on the two OLTs to a protection group.
In Type B protection mode, the Standby side port only receives light but does not emit light. When no upstream light is detected for four consecutive DBA allocation cycles, an upstream light-free interruption occurs, which triggers automatic switching.
- A . True
- B . False
When the OLT device forwards data, only user data that is not on the firewall blacklist can be forwarded normally. If the source IP address in the user message is on the firewall blacklist, the user message will be discarded.
- A . True
- B . False
If multiple SIP messages belong to the same call with the same SIP user, which field in these messages has the same value?
- A . Srart-line
- B . via
- C . Cseq
- D . Cal1-ID
The maximum splitting ratio supported by GPON is ().
- A . 1:64
- B . 1:256
- C . 1:128
- D . 1:32
If the IGMP version on the OLT is configured as v3, what will the OLT do when it receives an IGMP leave message forwarded from the ONT?
- A . No action
- B . Send a general group query message
- C . Normal forwarding
- D . Send a specific group query message
Which of the following statements about the PITP protocol is incorrect?
- A . PITP protocol includes PITP P mode and PITP V mode
- B . The purpose of PITP is to provide the upper layer authentication server with the physical location information of the access user. After the BRAS device obtains the user access location information, it can realize the user account and the access location.
- C . Information binding authentication to prevent user account theft and roaming
- D . In PITP V mode, the user’s physical location information is added to the PPPOE message sent by the user side to cooperate with the upper server for user authentication
- E . PITP P mode can also be called PPOE+ mode
Which of the following descriptions of NCE functions are correct? (Multiple choice)
- A . NCE integrates the original Utrific network performance analysis function
- B . NCE is located at the management and control layer of the cloud network, supporting the management and control of IP, transport, and access network devices.
- C . NCE integrates the control of the original U2000 network management system
- D . NCE system architecture is based on SD-based network architecture
Which of the following descriptions of the security control measures supported by the GPON system is incorrect?
- A . Data frame encryption
- B . Device Authentication
- C . Fingerprint Authentication
- D . User Authentication
In ODN network deployment, the optical cable entering the home is generally called a sheathed optical cable.
- A . True
- B . False