Online Access Free Huawei.H12-261.v2022-01-21.q423 Practice Test (Page 81)

H12-261 Exam Question 396

LAND's attack means that the attacker sends a source address and a destination address to the target host. The target is marked as the source port and the destination port.
SYN ACK TCP report text, the receiving end is waiting for the sending end of the final message, and the connection is always connected in a semi-connected state, causing the receiver to receive limited resources.
Waste

A.Error

B.Correct

H12-261 Exam Question 397

If the network protocol PM-SM, RP, RP RP RP, and RP are configured in the network, the configuration mode
is divided into dynamic and static.
The correct one is

A.The RP and BSR RP need to be configured with advertised information.

B.When configuring static BP, PIM RP needs to specify information on all routers.

C.When configuring dynamic, the RP and BSR RP need to be configured as the backup.

D.When the configuration is dynamic, the RP and BSR do not need to be configured.

H12-261 Exam Question 398

The following is true about IPSec VPN ( ).

A.Savage mode can support traversal while main mode does not support traversing NAT, NAT

B.The two routers can pass IPSec VPN OSPF, the tunnel establishes the neighbor relationship and the
intranet route changes.

C.Two routers have established IPSec VPN through the aggressive mode, and then the tunnels are
established between the two least interacting devices.

D.Two routers have established IPSec VPN, 5 ( ) in the main mode, and the data from the first message is
often encrypted.

H12-261 Exam Question 399

Typically, users within a VPN only communicate with other users in the same VPN. They cannot communicate with users on the Internet or access the Internet. Many VPN sites, however, may need to access the Internet. Which of the following statements regarding interconnection between the VPN and the Internet are true?

A.The interconnection between the VPN and the Internet can be implemented on the PE. However, the implementation is complex and may bring security risks. The PE is vulnerable to DoS attacks from the Internet.

B.Configure the PE to send a default route destined for the Internet to the CE, and add a default route destined for the Internet gateway to the VPN instance routing table.

C.Directly connect the CE to the Internet on the user side. Each user site can independently access the Internet. That is, a default route destined for the Internet is configured on the CE of each site.

D.Isolating public network routes and VPN routes on the user side is simple, secure, and reliable.

H12-261 Exam Question 400

Which of the following statements about VRRP load balancing are false?

A.Multiple VRRP backup groups can be created on an interface of a router. The router can serve as the master router in on VRRP backup group and the backup router in other VRRP backup groups.

B.VRRP local balancing requires that at least two virtual routers transmit services at the same time.

C.When configuring priorities, you must ensure that the same router server as the master router in three VRRP backup groups

D.To implement load balancing, default network gateways of hosts on a LAN must be configured as IP addresses of different virtual routers

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H12-261 Exam Question 396

H12-261 Exam Question 397

H12-261 Exam Question 398

H12-261 Exam Question 399

H12-261 Exam Question 400

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