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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. The ODU product label is shown in the picture. Which of the following statements is correct? (multiple choice).

A) This ODU can be used as low station
B) The receiving frequency range is: 7582-7638MHz
C) The transmitting frequency of this ODU is located in sub-band A of 7GHz
D) The transceiver interval of this ODU is 154MHz

2. Regarding the TTX board, which of the following statements is correct ()?

A) The board is a tributary board that can access 100G client-side services
B) In essence, the TTX board is not a 100G tributary board, but it requires a single slot 100G crossover capacity
C) 8800 T64/T32 universal subrack can support TTX single board
D) TTX can do ODU4 particle electrical crossover with NS4

3. Regarding the differences between Linux and Solaris operating systems, the following statement is wrong ()

A) Solaris itself only supports UFS hard disk file system; in Linux, there are many disk file systems to choose from, the default is ext3
B) All disks need to be recognized by the operating system, but Solaris needs to be set in the sd.conf file, and linux does not
C) Linux comes with fssnap command to create and manage file system snapshots. Solaris does not have such a file system snapshot tool
D) Manage hot-swappable devices through cfgadm in Solaris. When the device is connected in Linux, the system automatically recognizes and configures hot-swappable devices

4. Regarding the TTX board, which of the following statements is correct ()?

A) The board is a tributary board that can access 100G client-side services
B) In essence, the TTX board is not a 100G tributary board, but it requires a single slot 100G crossover capacity
C) 8800 T64/T32 universal subrack can support TTX single board
D) TTX can do ODU4 particle electrical crossover with NS4

5. What's wrong with the description of the 1+1 protection on the client side?

A) 1+1 protection on the client side of this subrack: The working OUT unit and the protection OTU unit are located in the same subrack of the same network element. This kind of protection is called 1+1 protection on the client side of the subrack. It is recommended to use the SCS board for this type of protection.
B) When the SCS board is used, the client side lasers of the working OTU unit and the standby OTU unit are both turned on, and the system controls the SCS board through the SCC board to achieve selective reception of signals.
C) Cross-network element client-side 1+1 protection: The working OTU unit and the protection OTU unit are in different network elements, which is called cross-network element client-side 1+1 protection. This type of protection must use OLP or DCP boards.
D) Cross-subrack client side 1+1 protection: Working OTU unit and protection OTU unit are in different subrack of the same network element, which is called cross-subrack client side 1+1 protection. This type of protection must use OLP or DCP boards.

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