H12-211 Online Practice Questions and Answers

A user accesses a server supporting AAA, for which the authorization mode on the AAA server has been configured using the command "authorization-mode hwtacacs if-authenticated". Which of the following statements regarding this command are true? (Choose three).

A. If the hwtacacs server fails to respond, the user will be authenticated using local authentication.

B. If the hwtacacs server fails to respond, the user will be authenticated using remote authentication.

C. If the hwtacacs server fails to respond, the user will bypass authentication.

D. The hwtacacs server will authorize the user.

When R2 forwards data to R3 from R1, which of the following items will change? (Choose two)

A. The source MAC address

B. The destination MAC address

C. The source IP address

D. The destination IP address

Warning: Auto-Config is working. Before configuring the device, stop Auto-Config. If you perform

configurations when Auto-Config is running, the DHCP, routing, DNS, and VTY configurations will be lost.

Do you want to stop Auto-Config? [y/n]:

When an administrator first initializes the router, a warning is displayed. Which statement regarding this

warning is correct?

A. If Auto-Config is required, the administrator should select `y'

B. If Auto-Config is not required, the administrator should select `n', for which subsequent configuration of the DHCP server, routing, DNS server and VTY user configuration is lost

C. When a device is started for the first time, the Auto-Config function is active.

D. When a device is started for the first time, the Auto-Config function is inactive.

A DHCP server in the enterprise network is being used to allocated IP addresses to hosts. An administrator discovers however that some hosts are obtaining IP addresses outside of the scope of the DHCP server's address pool. What are the possible reasons for this? (Choose three).

A. Another DHCP server exists in the network and is allocating IP addresses to hosts that happen to be within a closer proximity than the authorized DHCP server

B. The hosts were unable to discover a DHCP server and therefore generated their own address in the

169.254.0.0 address range.

C. The hosts were unable to discover a DHCP server and therefore generated their own address in the

127.254.0.0 address range.

D. All addresses from the DHCP pool have been assigned

An authenticator router has been configured with two domains named "Area1" and "Area2",

following which a user is created with the username "huawei" and the password "hello" for authentication.

Which domain does this user belongs to?

A. Area1 domain

B. Area2 domain

C. default domain

D. default_admin domain

Refer to the graphic.RTA and RTB connect to a Frame Relay switch and use dynamic address mapping. The command "fr map ip 10.0.1.1 32" is then configured on RTB, without using the undo inarp command. What will occur as a result? (Choose two).

A. RTB will be unable to communicate with RTA

B. 10.0.1.1 will still be mapped to DLCI 31 on RTB

C. 10.0.1.1 will still be mapped to DLCI 32 on RTB

D. DLCI 32 will be activated on RTB

Refer to the graphic. RTA and RTB have established a GRE tunnel, but only RTA has enabled the keepalive function. When RTB receive a keepalive message from RTA, how will RTB respond?

A. RTB will discard the keepalive message.

B. RTB willl record receipt of the keepalive message but won't reply

C. RTB will send a keepalive in response.

D. RTB will send a keepalive reply and begin to actively send keepalive messages.

Refer to the graphic. Packet encapsulation in the IPsec architecture is performed as shown. Which IPsec mode is being used to encapsulate the packet?

A. normal mode

B. transport mode

C. tunnel mode

D. this encapsulation is wrong

In a small network suppporting IPv6, a network administrator wishes implement RIPng. Which of the following commands should be used to enable this protocol?

A. [RTA-GigabitEthernet0/0/0]ripng 1 enable

B. [RTA]ripng 1 enable

C. ripng 1 enable

D. [RTA-ripng-1]ripng 1 enable

As shown in the figure, RTA sends a PADI message to server A as a PPPOE client, and server A replies to a PADO message. PADO message is One () frame.

A. Unicast

B. Multicast

C. Broadcast

D. Anycast

The biggest advantage of NAPT is its flexibility, that is, it can be used as a source address translation, as

well as a destination address translation, and can also be used as a protocol port.

Conversion.

A. Yes

B. Wrong

Which of the following is/are the characteristic(s) of HDLC?

A. HDLC supports point-to-point links.

B. HDLC does not support IP address negotiation.

C. HDLC does not support authentication.

D. HDLC supports point-to-multipoint links.

SNMP packets are transmitted by UDP.

A. True

B. False

In the MPLS domain, the full name of LER is label egress router.

A. True

B. False

As specified by the RSTP protocol, when a root port fails, which type of port will function as a new root port and enters the forwarding state without any delay?

A. Forwarding Port

B. Alternate Port

C. Backup Port

D. Edge Port