H12-224 Online Practice Questions and Answers

Which statement about the trunk interface is true?

A. A trunk interface is always connected to hosts.

B. "multiple" VLAN IDs can be set on a trunk interface. The VLAN IDs can be the same as or different from the PVID.

C. The trunk interface cannot have a PVID.

D. If the trunk interface receives a packet with a VLAN not in the allowed VLAN list, the trunk interface broadcast the packet in the VLAN.

A switching network has been enabled with STP protocol. To provide fast access speed to the file server for most of the users, the switch that is directly connected with file server is configured as the root bridge.

A. True

B. False

What is the POP action in MPLS?

A. The top label is removed from the MPLS label stack.

B. The top label is added to the MPLS label stack.

C. The top label is replaced with another value.

D. The top label is replaced with the label of another group.

When two Eudemons are working in dual-system hot backup mode, their session tables are backed up in real time.

A. True

B. False

Which of the following statements about the BFD echo function are true? (Choose three.)

A. The local system sends a series of BFD Echo packets, and the remote system loops the packets back through its forwarding channel.

B. If the local system receives several consecutive Echo packets, it advertises a session Down event.

C. The echo function can work together with the asynchronous or demand detection mode.

D. The echo function can take the place of fault detection by sending BFD control packets.

A failure in establishing a BGP peer relationship can be addressed by checking the TCP connectivity and BGP peer configurations.

A. True

B. False

The router ID configured in the system view takes precedence over the router ID configured in the BGP view.

A. True

B. False

Which of the following routes matches this ACL filter?

"acl number 2001

rule 0 permit source 1.1.0.0 0"

A. 1.1.1.1/32

B. 1.1.1.0/24

C. 1.1.0.0/16

D. 1.0.0.0/8

BGP is an enhanced distance-vector routing protocol. Which is the major reason for this?

A. BGP does not accept the routes whose AS_Path attribute contains the local AS number.

B. Nexthop is a well-known mandatory attribute of BGP routes.

C. The AS_Path attribute records all the ASs that a BGP route passes through on the transmission path. In route selection rules, a route with a shorter AS_Path is preferred.

D. The AS_Path attribute records all the ASs that a BGP route passes through on the transmission path. In route selection rules, a route with a shorter AS_Path is preferred, and the AS_Path attribute is also checked in IBGP.

Which of the following statements regarding ABR is false?

A. An ABR has multiple LSDBs and maintains one LSDB for each area.

B. An ABR abstracts link state information within its connected non-backbone area as routing information and advertises the routing information within the backbone area.

C. An ABR needs to abstract link state information within the backbone area as routing information and advertises the routing information within all non-backbone areas.

D. An ABR can generate Tye 3 LSAs, Type 4 LSAs, and Type 5 LSAs.