Huawei HCIA-Transmission V2.5 - H31-311_V2.5 模擬練習
Which part of the following is the network address of the Class B address 154.19.2.3?
正解: C
Half-duplex mode must have a conflict detection and avoidance mechanism to prevent multiple devices from occupying the line at the same time. This mechanism is the so-called CSMA/CD, and its Chinese name is Carrier Sense Multiple Access / Collision Detection.
正解: A
NCE's software deployment method adopts B/S (Browser/Server) architecture.
正解: A
Which of the following is not a condition for triggering multiplex section protection (MSP)?
正解: B
PDH is a quasi-synchronous digital system, which also belongs to the synchronous digital transmission system.
正解: B
Which of the following alarms are reported by the peer end when a bit error is detected in the B2 byte?
正解: D
Which overhead bytes of SDH are used by the LCAS function to carry control information and perform handshake operations between the source and sink? (Multiple choice)
正解:
解説: (PassTest メンバーにのみ表示されます)
Which of the following statements about the frame structure of SDH signals are correct? (Multiple choice)
正解: A,B,C
After the network sends a fiber cut, which of the following alarms does not appear in a 1+1 linear multiplex section protection configuration?
正解: A
The levels of forced switching, fiber break switching, manual switching, and practice switching are arranged from high to low.
正解: A
The size of the OTUk frame is fixed, that is, whether it is OTU1, OTU2, or OTU4, it is 4 rows and
4080 columns.
4080 columns.
正解: A
The flexible pipe provided by MS-OTN equipment means that the service can be carried through ODUk or PW.
正解: B
EDFA (Erbium Doped Fiber Amplifier) is a key component of the new generation of optical communication systems. Which of the following options are included in its characteristics?
正解: B,C,D