Which of the following descriptions about the possible reasons for PTN upgrade loading or activation failure are correct?
In the NG-WDM system, which one of the following boards supports optical line protection?
Which item is wrong about the description of PTN network MC-PWAPS protection features?
Qinia technology can be used when multiple users need to share the same VCTRUNK and use the same VLANID.
In the MPLS-TPOAM architecture of PTN equipment, what are the functions of network performance maintenance?
1+1 protection means that when the sender sends service flows to both working and protected tunnels at the same time, the receiver selectively receives service flows according to the tunnel
status or external commands.
The IP address of the interconnection interface generally uses a 30-bit mask. Which of the following IP addresses can be configured at both ends of the link?
During the normal operation of the network, the service channel protected by ODUK SNCP generates a condition for triggering protection switching, and the service has been automatically switched to the protection channel. When the fault
of the working channel is eliminated, the service cannot be automatically restored to the working channel.
Optix Datacollector supports black box fault data collection for various products. Which of the following products are not supported?
In the PTN network, the L3 node needs to learn the ARP message to forward the message to the SGW. What is the type of the ARP response message?
Linear multiplexing section can be deployed for STM-1 interface in PTN network. What are the following overhead bytes used to transmit APS automatic protection switching protocol?
Where in the L2/L3 node is the VLAN in the Layer 2 header stripped in the packet sent by the base station in the LTE solution?
When enabling NE performance monitoring events on the U2000 network management system, which of the following options are correct?
Which of the following logical function blocks is used for multiplexing section switching?
Which items belong to the optical layer path in the path hierarchy of the WDM network?
The 802.1Q tag header contains a two-byte TPID. Which of the following is its standard value?
Which of the following statements is incorrect about the optical layer interfaces OTM-nm and OTM-nrm of OTN?
In order to determine whether the optical fiber lines and connectors on the wavelength division side are normal, which of the following loopback methods is most suitable?
When the device reports the PW_APS_DEGRADED alarm, what is the problem with the LTE service carried by the station?
The ARP protocol is a broadcast-based protocol through which the host can dynamically discover the MAC address corresponding to an address.
Create an ETH private line service in the PTN network, and connect an Ethernet tester to the UNI port for RFC2544 testing. The instrument shows that the current port has only sending traffic
and no receiving traffic. What are the possible reasons?
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?
When creating a static TUNNEL, you need to specify the interface of the next hop. Which is the displayed address of the next hop?
When using OptiX Datacollector to collect data, it can be collected by network element, which means to collect the fault data of all boards below the network element, or it can be collected by single board to collect
the fault data of a single board under the network element.
In the PTN network, the 802.1Q label header contains a 2-byte TPID. Which of the following is its standard value?
According to the deployment plan of the existing network, which protocol does not need to be deployed for the interconnection between PTN equipment and SGW?
When the data link layer uses Ethernet, the encapsulation format of the data frame includes the destination MAC, source MAC, TYPE, and FCS fields. When the value of the TYPE field is 0x0806,
it indicates that the encapsulated inner packet is which of the following protocols?
When PTN carries LTE services, it forwards packets based on MPLS label switching. In the MPLS label, which identification field can be used as a PTN to distinguish the label
at the bottom of the stack?
Which of the following alarms will be reported when a fiber cut test is performed on a common MSP ring?
During device initialization and commissioning, which of the following configuration descriptions is incorrect?
In the path hierarchy of the WDM network, which paths belong to the optical layer?
During the debugging of the SDH system, if the E1 port reports a T-ALOS alarm, which of the following actions are meaningful?
The key technology in the PTN network is IP/MPLS technology. How many levels can MPLS labels be nested?
Which of the following does not belong to the multi-level connection monitoring mode of OTN
Which of the following descriptions about network protection switching test is wrong?