A flow mirroring port can transmit the specified service flows on the mirroring port to the monitoring device for analysis and monitoring.
- A . TRUE
- B . FALSE
In peer-to-peer VPN model, which of the following devices is directly connected to a client and is responsible for connecting VPN services to the carrier network?
- A . CE
- B . PE
- C . P
- D . Client device
QoS provides different service quality to meet a variety of different needs.
Which of following functions are provided by the QoS? (Multiple Choice)
- A . Provide dedicated bandwidth.
- B . Reduce the packet loss ratio.
- C . Prevent and manage network congestion.
- D . Setting the source address of packets.
Which IP precedence value represents the critical service traffic?
- A . 0
- B . 2
- C . 5
- D . 6
What about all outgoing labels in the label forwarding table of a MPLS-capable device for the same route with the same next hop?
- A . They must be different.
- B . They must be the same.
- C . They may be the same.
How is traffic classification classified based on reference different information of rules? (Multiple Choice)
- A . Simple traffic classification
- B . Complex traffic classification
- C . On-demand classification
- D . Service traffic classification
Which of the following command is used to configure the listening address of the SDN controller?
- A . openflow listening-ip 1.1.1.1
- B . sdn controller souce-address 1.1.1.1
- C . controller-ip 1.1.1.1
- D . sdn listening-ip 1.1.1.1
Which of the following statements regarding the firewall zone is true?
- A . Different zones of Firewall can use the same priority.
- B . A firewall interface can belong to different zones.
- C . Different firewall interfaces can belong to the same zone.
- D . The default firewall zone can be deleted.
eSight single-server mode allows login of only one user. If another user logs in, the system displays a message indicating that a user is online currently.
- A . TRUE
- B . FALSE
Which of the following are highlights of the Service Chain component of the Agile Controller? (Multiple Choice)
- A . Services are orchestrated based on the Layer 3 GRE tunnels and service devices can be deployed flexibly.
- B . Service orchestration operations are visualized in the topology, simplifying the configuration and management.
- C . Adding or deleting service devices does not change the physical topology of the live network and existing routes.
- D . Services are orchestrated automatically, without the need for manual maintenance.
Which of the following statements regarding Agile Controller guest account application mode is false?
- A . Created by the administrator
- B . Created by employees with guest management rights
- C . Created by the receptionist
- D . Registered by guests
Which of the following statements regarding the trusted and untrusted zones are true? (Multiple Choice)
- A . The direction for the access from the trusted zone to the untrusted zone is the outbound direction.
- B . The direction for the access from the trusted zone to the untrusted zone is the inbound direction.
- C . The security level of the trusted zone is 85.
- D . The security level of the untrusted zone is 50.
MPLS is a label forwarding technology.
Which of the following MPLS statements is false?
- A . MPLS uses the connection-oriented control plane and connectionless data plane.
- B . The control plane transmits route information and distributes labels. The data plane transmits packets along the created label switched path (ISP).
- C . Switches in an MPLS domain only need to forward packets based on the label added before the IP header.
- D . Compared with traditional IP forwarding, MPLS label forwarding greatly improves the data forwarding efficiency.
Which information of IPv4 packets is used for simple traffic classification? (Multiple Choice)
- A . DSCP information
- B . IP precedence
- C . Traffic class information
- D . 802.1p information
The interface IP address and VRRP virtual IP address can be the same.
- A . TRUE
- B . FALSE
NFV and SDN depend on each other and must be used together.
- A . TRUE
- B . FALSE
Which of the following methods can be used to improve network QoS? (Multiple Choice)
- A . Increasing link bandwidth
- B . Using proper queue scheduling and congestion avoidance mechanisms
- C . Using high-performance devices
- D . Provide services at different times for different business
In the port mirroring, real and reliable data must be collected in real time.
- A . TRUE
- B . FALSE
SDN technology advocate layered open architecture. Then which organization advocate and defines the centralized architecture and Open Flow?
- A . ONF
- B . IETF
- C . ETSI
- D . ITU
What are the prerequisites for eSight to receive and manage alarms reported by devices? (Multiple Choice)
- A . The devices are managed by eSight.
- B . Trap parameters have been correctly configured on the devices.
- C . The SNMP protocol and parameters are correctly configured for managed devices on eSight.
- D . There are reachable routes between eSight and devices.