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When the bridge is using ML learning mode, create an entry in the MAC.Address gateway depending on the source MAC map and server port. This entry applies to all VANs

A.

True

B.

False

Which of the following operations need to be done before querying the bit error and optical power on the tube, otherwise the corresponding data cannot be queried?

A.

Create a logical fiber

B.

Configuration Data

C.

Enable NE performance monitoring time

D.

Synchronizing network metadata

Which of the following statements is incorrect about the optical layer interfaces OTM-nm and OTM-nrm of OTN?

A.

n represents the number of wavelengths carried by the maximum capacity,

B.

m represents the rate. Value can be 1.2 or 3.

C.

r means OTM without OSC function

D.

OTM-nr.m with OSC signal is OTM-nm.

When the PTN device forwards, how many bits does the MAC address have?

A.

32

B.

46

C.

48

D.

64

Which of the items are unreasonable to configure the default route on the PTN device in the LTE solution?

A.

The default route is configured on the L2/3 master node, and the next-hop points to the L3 master node

B.

A default route is configured on the L2/L3 standby node, and the next hop points to the L3 master node

C.

On the L3 raw node, configure a default route with the next hop pointing to the main L2/L3 node

D.

Configure the default route on the standby point, and the next hop points to the standby L2/L3 node

During device initialization and commissioning, which of the following configuration descriptions is incorrect?

A.

The snmp parameter of the network element needs to be the same as the configuration of the network management

B.

The DCN route of the NE needs to be associated with the VPN instance "_dcn_vpn-"

C.

NE management can only use GE0/0/0 interface

D.

The default network management 0SPF process number is 65534

Which technology can provide synchronization support in TD-SCDMA network?

A.

ACR/TOP

B.

Ethernet Physical Layer Synchronization

C.

IEEE 1588V2

D.

SDH

During the troubleshooting process, if you need to loopback the protected services carried by the NG WDM device, which of the following operations need to be performed first when performing the loopback

operation?

A.

Switch to the protection channel

B.

Lock on the current channel

C.

Test to see if the ring is normal

D.

Verify that the APS protocol is enabled

If the E1 interface board D75S is not plugged into the OSN 3500 hardware, which indicator light on the PQ1 will light up red?

A.

PROG

B.

SRV

C.

ACT

D.

STAT

Which of the following is impossible for the cause of the ETH_LOS alarm?

A.

The cable or fiber of the Ethernet port is not properly connected

B.

Cable or fiber failure

C.

The received optical power of the local network element is too low

D.

In-port loopback