H12-821 Online Practice Questions and Answers

CORRECT TEXT Compress the 2001:0DBB:B8:0000:C030:0000:0000:09A0:CDEF address.___________(if the answer contains letters, capitalize them.)

BFD control packets are encapsulated in UDP packets for transmission. What is the destination port number of multi-hop BFD control packets?

A. 4784

B. 3784

C. 5784

D. 2784

The filter-policy 2000 export command is run in an ISIS process. Which of the following statements about the functions of a filter policy is false?

A. Is used together with the route import function to advertise some imported external routes to neighbors.

B. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.

C. Controls the advertisement of routes generated by the device.

D. Filters LSPs to be advertised.

To prevent inter-area routing loops, OSPF does not allow advertising routing information between two non-backbone areas and allows sing routing information only within an area or between the backbone area and a non-backbone area. Therefore, each ABR must be connected to the backbone area.

A. TRUE

B. FALSE

ON a stateful inspection Firewall where there is no session table, when the status detection mechanism is enabled and the second packet (CYN+ACK) of 3-way hadshakes reaches the firewall. Which of the following statements is true?

A. If the firewall security policy permits packets to pass, the session table is created.

B. By default, when status detection is disabled and the permit policy is configured packets can pass.

C. Packets must pass the firewall, and a session table is established.

D. If the firewall security policy permits packets to pass, the packets can pass the firewall.

Which of the following statements regarding the BGP error display of a router false?

A. The error may be caused by the incorrect neighbor address.

B. The neighbor address of this router is 10.1.1.5.

C. Error Type indicates that the BGP error is caused by the neighbor relationship error.

D. The error occurred at 12:40:39 on March 22, 2010.

Regarding the route-policy set-cost configuration below, which of the following statements is true?

A. The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.

B. The cost of all routes is set to 200.

C. All the routes that are not permitted by node 10 will be denied.

D. The route 11.1.0.0/16 will continue to match node 20 after permitted by node 10, and (he final cost is set to 200.

Which of the following configurations are not mandatory when an administrator configures VRRP?

A. Preemption mode

B. Preemption delay

C. Virtual router priority

D. Virtual IP address

After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?

A. The cost of an IS-IS interface is changed.

B. The IP address of an ISIS interface is changed.

C. The level of an ISIS interface is changed.

D. The interval at which an IS-IS interface sends IIH packets is changed.

Which of the following statements regarding the summary automatic command and BGP route summarization is false?

A. After this command is configured, BGP sends only the summarized routes to peers

B. This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization

C. This command enables automatic summarization for the locally imported routes

D. After this command is configured, BGP summarizes routes based on natural network segments