Practice Free H35-211_V2.5-ENU Exam Online Questions
Which of the following options is a downlink wavelength in XGS-PON?
- A . 1310nm
- B . 1290nm
- C . 1577nm
- D . 1490nm
Which of the following descriptions about the basic structure and design concept of pre-connected ODs is incorrect?
- A . OD design can adopt a convergence approach from information points to a synthesis point.
- B . The pre-connected ODT planning is still based on a two-point, three-line approach.
- C . The beam splitter is typically integrated into Hubboxz and SubBox pre-connected.
- D . OD1 retains the traditional tree-like structure of OD.
In the NGN system, ( ) adopts packet technology to provide a unified integrated transmission platform with high reliability, QoS guarantee and large capacity.
- A . Edge Access Layer
- B . Core Switching Layer
- C . Network Control Layer
- D . Business Management
Which of the following alarms might be caused by poor fiber optic line quality in a PON network? (Multiple choice)
- A . GEM channel loss (DGi)
- B . The branch fiber is broken or the OLT cannot detect the expected optical signal (LOSi/LOFi).
- C . ONT signal degradation (SDi)
- D . ONT frame loss (LOFi)
Which of the following descriptions regarding IPTV service data planning is incorrect?
- A . Plan multicast VLANs to enable multicast services to be replicated on the OLT side.
- B . Dynamic configuration of multicast program recommendation on the OLT side
- C . IPTV service is a closed service operated by the operator itself; a single-layer SVLAN approach is recommended.
- D . Multicast LA and VOD on-demand LAN can use the same SVLAN or different SVLANs.
Regarding the principles of terminal selection, which of the following statements is correct? (Multiple choice)
- A . Meeting special needs
- B . Select terminal type based on network construction mode
- C . Cost needs to be considered.
- D . No need to comply with project requirements
What are the different types of Access Control Lists (ACLs) supported by the OLT system? (Multiple choice)
- A . Basic ACL
- B . Advanced ACL
- C . Link-layer ACL
- D . Network Layer MCL
The general stages of network design and their sequence are ().
- A . Information gathering phase -> Planning phase -> Network preliminary design phase -> Network detailed design phase -> Network deployment design phase
- B . Planning Phase -> Network Preliminary Design Phase -> Information Gathering Phase -> Network Detailed Design Phase -> Network Deployment Design Phase
- C . Planning Phase -> Information Gathering Phase -> Network Preliminary Design Phase -> Network Detailed Design Phase -> Network Deployment Design Phase
- D . Information gathering phase -> Planning phase -> Network deployment design phase -> Detailed network design phase -> Network preliminary design phase
In a GPON network, which of the following descriptions regarding the replacement of a faulty ONU are correct? (Multiple choice)
- A . Data needs to be manually transmitted after the MDU replacement.
- B . After the MDU is replaced, the data can be loaded automatically without manual intervention.
- C . Simply change the SN corresponding to the previous XDU ID on the OLT, and the service will automatically resume.
- D . For DUs registered using the SN method, MDU changes require reporting the SN.
Which of the following descriptions about the NCE-FAN IPTV service configuration is incorrect?
- A . The recommended IGMP version on the OLT is no lower than the IGMP version on the STB.
- B . The values for multicast VLAN and on-demand VLAN can be different.
- C . The bandwidth in the program template represents the actual bandwidth used by the program.
- D . It is recommended to manually add popular multicast programs and enable the pre-add function to reduce program switching time.