Practice Free H35-211_V2.5-ENU Exam Online Questions
The complete SIP message interaction process will include multiple request and response messages. A field can be used in the header field of the SIP message to describe the specific request corresponding to the current response message. This field is ().
- A . Csea
- B . CaLL-ID
- C . First line
- D . Message body
Which of the following port numbers is the default port number for the SIP protocol?
- A . 2944
- B . 5060
- C . Any value
- D . 23
In the NGN network, the H.248 protocol uses IP addresses for registration and authentication, while the SIP protocol uses terminal IDs to identify users.
- A . True
- B . False
Which of the following options belongs to the downstream wavelength of XGS-PON?
- A . 1310nm
- B . 1290nm
- C . 1577nm
- D . 1490nm
The ONU optical module has certain requirements for the type of optical fiber connector. Before designing and selecting, you need to carefully read the ONU specifications and select the matching optical fiber connector.
- A . TRUE
- B . FALSE
The customer requires protection for the ONU trunk optical path, but not for the branch optical paths. Which PON line protection method should be adopted?
- A . Type D
- B . Type B
- C . Type A
- D . Type C
When configuring automatic dumping of performance data in the NCE system, you can set the number of days and proportion of performance data stored in the database. When both exceed the set threshold, the system automatically dumps the performance data to a file or deletes it from the database.
- A . TRUE
- B . FALSE
Which of the following descriptions about the function of an optical distribution frame (ODF) is incorrect?
- A . Optical connector installation and optical path jumpering
- B . Storage of excess pigtails and protection of optical cables
- C . Fiber fusion splicing at the cable terminal
- D . It can split one optical signal into multiple optical signals and complete the reverse process
If you want to cooperate with the upper-level authentication server to perform user authentication, you can add the user’s physical location information source to the () field of the DHCP request message initiated by the user.
- A . Options60
- B . Optiona61
- C . Options80
- D . Option82
IPTV users can go online normally, but the multicast program screen does not appear for a long time, and a black screen appears, making it impossible for users to watch the program normally. The possible reason is (). (Multiple choice)
- A . Multicast users are blocked
- B . The user does not have permission to watch the program
- C . Pre-joined programs take up too much bandwidth
- D . The maximum multicast bandwidth allocated by the PON port is too small