H11-861-ENU Dumps H11-861-ENU Braindumps H11-861-ENU Real Questions H11-861-ENU Practice Test H11-861-ENU Actual Questions HUAWEI H11-861-ENU HCNP-VC(Huawei Certified Network Professional Video Conference) https://killexams.com/pass4sure/exam-detail/H11-861-ENU Question: 50 The MP can provide the following functions. () (Select 2 answers) A . Stream forwarding B . Call C . Rate adaptation D . Conference control Answer: AC Question: 51 For FEC, When both parties establish a call and the packet loss in media stream exceeds 0.1% within 10s, the FEC function is enabled. FEC separates some bandwidth from the call bandwidth to transmit anti-dropping redundant stream. ( ) A . TRUE B . FALSE Answer: A Question: 52 Audio Enhancement Technologie-ANR is used to adjust the voice volume of a telephone call. () A . TRUE B . FALSE Answer: B Question: 53 RFC2190 defines three formats for H.263 payload header: modes A, B, and C. Mode A is recommended and also the most common one. () A . TRUE B . FALSE Answer: A Question: 54 The three frame types in H.264 are (). A . A, Q, P B . B, I, P C . C, Q, B D . T, C, B Answer: B Question: 55 After you define the open logical channel on a private network terminal inside a firewall, if (), the media streams can be transmitted in one direction only. A . The firewall does not have the relevant port enabled. B . The private IP address cannot be found for media stream transmission. C . The master and slave relationship cannot be determined. D . Capability negotiation cannot be implemented. Answer: A Question: 56 NAT works at the (). A . Data link layer B . Network layer C . Application layer D . Transport layer Answer: B Question: 57 In RTCP packet, Sender report (SR) used for transmission and reception statistics from sending gateways. ( ) A . TRUE B . FALSE Answer: A Question: 58 RFC 3550 defines () RTCP packet types to carry a variety of control information. A . 3 B . 4 C . 5 D . 6 Answer: B Question: 59 MCU Video Firewall Mode has advantages, but it also has limitation, such as (). (Select 3 answers) A . The MCU supports communication between only two networks. The communication among more than two networks, however, is not supported. B . The GE0 port must register with a G C . The GE1 port is used only for calls by number D . The endpoint at the GE1 side does not support the SiteCall service. E . Sites connected through GE1 ports does not support service switchovers. Answer: ACD Question: 60 Audio signals can be encoded in the following modes. () (Select 3 answers) A . Waveform coding B . Forecast coding C . Parameter coding D . Hybrid coding Answer: ACD Question: 61 Which of the following is not a disadvantage of forward error correction. () A . Occupation of more bandwidth B . Deterioration of video quality C . Delay D . 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