H12-211 Online Practice Questions and Answers

An administrator currently manages AR2200 devices in the network through a single password, however the company wishes to introduce another two administrators and provide unique user credentials and privilege levels for telnet access to the network devices. What action can be taken? (Choose three)

A. Configure three users under the AAA-view, and assign each a different password.

B. The authentication mode must be changed to AAA.

C. Each administrator must be assigned a privilege level.

D. A public IP address must be assigned to each user for telnet access

[RTA]acl 2001 [RTA-acl-basic-2001]rule deny source 172.16.1.1 0.0.0.0 [RTA-acl-basic-2001]rule deny source 172.16.0.0 0.255.0.0

Refer to the configuration output. Which of the following statements are correct regarding the configuration of the ACL on RTA? (Choose two).

A. Packets from network 172.16.1.1/32 will be denied.

B. Packets from network 172.16.1.0/24 will be denied

C. Packets from network 172.17.1.0/24 will be denied

D. Packets from network 172.18.0.0/16 will be denied.

On VRP platform, which of the following parameters can be used together with the "ping" command to specify the source address of an echo request message?

A. A

B. S

C. D

D. N

Which of the following statements about gratuitous ARP packets are true? (Choose two)

A. A system can determine whether conflicting IP addresses are used by sending a gratuitous ARP packet

B. A gratuitous ARP packet uses the same format as an ARP request packet.

C. A gratuitous ARP packet can help to update an IP address.

D. A gratuitous ARP packet uses the same format as an ARP reply packet.

What is the default authentication mode for the default_admin domain?

A. None

B. Local

C. Radius

D. 802.1X

The network administrator has decided to configure link aggregation in the enterprise network. Which of the following represent advantages of link aggregation? (Choose three)

A. Load balancing.

B. Improved bandwidth.

C. Enhanced reliability.

D. Improved security.

As shown in the figure, the administrator wants to improve the performance of this network. Which of the following is most appropriate?

A. Connect each host with a switch and change the working mode of each host to full duplex.

B. Connect each host with a switch and change the working mode of each host to half duplex

C. Connect each host with the HUB and change the working mode of each host to full duplex.

D. Connect each host with the HUB and change the working mode of each host to half duplex.

Refer to the configuration results of the following output, the correct one in the RIP description is ().

A. Automatic summary is on

B. RIP process number is 1

C. The interval for sending RIP route update packets is 30s.

D. The garbage timeout time of the RIP route is 180s.

Which of the following packets is used by OSPF to discover and maintain neighbor relationships?

A. HELLO

B. LSU

C. LSR

D. DD

According to the VLAN frame format defined in IEEE 802.1Q, how many bits does a VLAN ID contain?

A. 6

B. 8

C. 10

D. 12