Huawei H12-261_V3.0 問題集

質問 1：
Configured under an interface: isis timer hello 5 level-2, is the following statement correct?
A. The hello packet sending interval of the interface Leve-1 and Leve1-2 is 5s
B. The CSNP packet sending interval of Leve1-2 of this interface is 5s
C. The hello packet sending interval of the interface Leve1-1 is 5s
D. The hello packet sending interval of the interface Leve1-2 is 5s
正解：D

質問 2：
There is no routing protocol running on the router HW and only a default route is used to reach the remote network. Use the extension to ping the remote file server address 10.5.40.1 on the router. The result of pinging on the router is presented as "Request time out". According to the above description, the following analysis is wrong Yes?
A. ICMP packets can reach the destination address, but the destination device fails to reply
B. Ping was successful, but congestion occurred on the path to the destination
C. There is a firewall in the remote destination network, and I have not been releasedCMP traffic
D. router HWThere is no valid route to the destination address
E. The next-hop router of router HW has no path to reach the destination address
正解：E

質問 3：
Which of the following statements about IPSG technology is correct?
A. On Huawei routers, IPSG can be configured on VlanifFeatures.
B. ip source checkk user bind checkk The item command is used to configure IP packet inspection items based on VLAN or interface.All static entries take effect.
C. IPSG can perform binding table matching check on IP packets entering and leaving the interface.
D. If an interface is configured asDHCP Snooping Trust interface, the interface can normally receive the DHCP response from the DHCP server. ACK, DHCP NAK and DHCP Offer packets, other untrusted ports cannot receive these packets normally.
正解：D

質問 4：
Which of the following IEE standards were developed for Gigabit Ethernet?
A. 802.3ab
B. 802.3af
C. 802.3z
D. 802.3ad
正解：A,C

質問 5：
As shown in the figure, department A of branch 1 can access the Internet, but department B can only use encrypted VP to access the resources of the headquarters.
Configure the NAT policy on so that department A can access the Internet, and configure IPSec for department B at the same time The VPN (ESP protocol) + tunnel mode method makes it possible to access the headquarters.

A. false
B. True
正解：B

質問 6：
As shown in the following topology, EBGP is run between AS100, AS200, AS300, and AS400, and the neighbor relationship has been established. When AS400 receives the BGP route of the network segment
1.1.1.1/32 sent by AS100, the correct order of the paths recorded in the AS Path attribute is: ?

A. 100, 200, 300
B. 300, 200, 100
C. 100, 200, 300, 400
D. 400, 300, 200, 100
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 7：
When the administrator configures VRRP, which of the following are not required to be configured? (multiple choice)
A. virtual IP address
B. Preemption delay
C. The priority of the virtual router
D. Preemption mode
正解：B,C,D

質問 8：
About PIM-Description of He1lo message in SM, what is wrong?
A. Hello packets are sent to the multicast address 224.0.0.5
B. pass throughHe11o message elects DR in multi-router network segment
C. Used periodically between routersHello, keep in touch
D. at P1M- In the SM network, the newly started multicast router needs to useHello message to discover neighbors and maintain neighborsresidential relationship
正解：A