最新的Huawei H12-221-ENU免費考試真題

問題1

Which of the following are the types of secure MAC addresses in port security technology?

A. Secure static MAC address

B. Sticky MAC address

C. Protect MAC address

D. Secure dynamic MAC address

正確答案: A,B,D

問題2

In MSTP protocol, each MST Instance uses the RSTP algorithm alone to calculate a separate spanning tree.

A. False

B. True

正確答案: B

問題3

OSPF route classification: divided into 4 categories, what are the priorities in order?

A. Intra-area routing, inter-area routing, second-class external routing, and first-class external routing

B. Inter-area routing, intra-area routing, first-class external routing, and second-class external routing

C. intra-area routing, inter-area routing, first-class external routing, and second-class external routing

D. Inter-area routing, intra-area routing, second-class external routing, and first-class external routing

正確答案: C

問題4

In the OpenSent state, if the received Open packet is found to be in error, BGP sends () packet to the peer and goes to the () state.

A. Open, Idle

B. Open, Active

C. Notification, Idle

D. Notification, Active

正確答案: C

問題5

When using manual link aggregation mode, the wrong description of joining member interfaces in the following is:

A. An Ethernet interface only can be added to one Eth-Trunk interface. If you need to join other Eth-Trunk interfaces, you must first exit from the original Eth-Trunk interface.

B. Eth-Trunk has two working modes: Layer 2 working mode and Layer 3 working mode. The two working modes are automatically identified and no manual switching is required.

C. If the local device uses an Eth-Trunk, the peer interface directly connected to the member interface must also be bundled into an Eth-Trunk interface so that the two ends can communicate normally.

D. The Eth-Trunk interface cannot be nested. That is, the member interface cannot be an Eth-Trunk.

正確答案: B

問題6

Which description of the OSPF protocol in the following is wrong?

A. The metric value of AS-external-LSA can be specified when external routes are imported. The default value is 1.

B. The external routing information can carry a tag. The tag information is contained in 5 LSAs and 7 LSAs.

C. The area border router (ABR) connects multiple areas and maintains the same LSDB for all areas.

D. The Link State ID in ASBR-Summary-LSA is set to the router ID of this ASBR.

正確答案: C

問題7

peer command can be used to manually specify neighbors on an OSPF NBMA network.

A. FALSE

B. TRUE

正確答案: B

問題8

IPV4 specifies the SSM address range, which of the following options is cortect?

A. 232.1.8.1/24

B. 225.1.8.18

C. 192.1.8.1

D. 232.1.8.18

正確答案: D

問題9

When a BGP speaker advertises a route learned from an EBGP peer to a GP peer, what is the next attribute set to?

A. Interface address for establishing an IBGP neighbor relationship between the local and the peer

B. Local router loopback address

C. Does not change the next hop attribute of the router information

D. Interface address of the EBGP neighbor relationship established between the local and the peer that learned the route.

正確答案: C

問題10

The following description of the Hello packet in the PIM protocol, which is wrong?

A. Hello packets are sent in multicast mode and the multicast address is 224.0.0.9.

B. pim timer hello interval. Configure the interval for sending Hello packets in the interface view. The default period of Hello packets is 30 seconds.

C. Only after the router receives the Hello packets from the neighbor, it will accept other PIM control messages or multicast messages.

D. pim hello-option holdtine interval configure the hello packets timeout value in the interface view.

正確答案: A

問題11

On the VRP platform, when we import OSPF or ISIS routes to RIP, what can the COST value be set to?

A. 16

B. 15

C. 10

D. 0

正確答案: C

最新的Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) - H12-221-ENU免費考試真題

聯系我們

站內鏈接

最新更新