In the access architecture of an IP bearer network, the OSPF protocol is enabled between two access routers, two firewalls (in transparent mode), and two Layer 3 switches. Softswitches work in active/standby mode. VRRP is enabled between the softswitches to provide a gateway. In normalcases, SW1 is the master router and SW2 is the backup router. Considering the reliability of the access network, how would you plan the cost value of each link in the OSPF area?

A. a=b=c=d

B. c>a+b+d

C. d>a+b+c

D. a=b>c=d

In the VRP, which of the following authentication modes are supported by the secure shell (SSH)?

A. password

B. Rivest-Shamir-Adleman (RSA)

C. password-rsa

D. md5

The traffic classification behavior is configured to the single rate dual-bucket CAR in color- blind mode at the upstream interface of the router. Configurations are as follows: [Quidway]display traffic policy user-defined test User Defined Traffic Policy Information: Policy: test Statistic Enable Classifier: default-class Behavior: be -noneClassifier: test Behavior: test Committed Access Rate: CIR 400 (Kbit/s), PIR 0 (Kbit/s), CBS 100000 (byte), PBS 200000 (byte) Conform Action: pass Yellow Action: pass

Exceed Action: discardIf the traffic on an interface matches the traffic policy, the traffic rate is 10,000 PPS and the packet frame length (including the CRC) is 125 bytes, which is the closest number of packets transmitted through the interface in the first one second?

A. 400

B. 2800

C. 2000

D. 1200

Which statement about the tunnel policy configuration is false?(A)

A. The tunnel policy is configured in the system view. You can run the tunnel-policy policy- name command to create tunnel policies and enter the tunnel policy view. One VPN instance supports multiple tunnel policies, and multiple VPN instances can share a tunnel policy.

B. You can run tunnel select-seq { gre | lsp | cr-lsp } * load-balance-number load-balance- number in the tunnel policy view to configure the priorities of tunnels and the number of tunnels among which load is balanced.

C. You can run the tnl-policy policy-name command in the VPN instance view to apply tunnel policies to VPN instances. If the required tunnel policy does not exist, the configuration is saved but does not take effect. If you create this tunnel policy in the system view later, the saved configuration will take effect.

D. If a VPN instance does not have a tunnel policy, an LSP is used and the number of tunnels configured for load balancing is set to 1

For the Eudemon firewall, the nat-policy command is configured in which mode?

A. System mode

B. Interface mode

C. Interzone mode

D. Intrazone mode