H12-211 Online Practice Questions and Answers

Refer to the graphic.

The administrator has configured an IP address for Host A and Host B, but had forgotten to configure a default gateway.

What effect will this have on the hosts?

A. Neither host will be affected, and therefore will be able to communicate with the peer.

B. Host A will be unable to connect to the router's G0/0/0 interface.

C. Hosts will be unable to comminicate unless arp-proxy is enabled on the router.

D. The host will be unable to reach neither the local nor remote network destinations .

Which of the following statements regarding layer-2 switch is incorrect?

A. The switch learns MAC addresses automatically

B. The layer-3 header is modified before the received packet is transmitted

C. The layer-2 header is modified before the received packet is transmitted.

D. The layer-2 LAN switch operates at data link layer

In a network supporting IPv6, OSPF no longer supports which feature?

A. multiple areas

B. Router-ID

C. authentication

D. multicast updates

Which of the following statements regarding link-state database and routing-table of a "single" OSPF area are correct? (Choose two)

A. The link-state databases that all routers build are identical.

B. The link-state databases that all routers build are different.

C. The routing-tables that all routers calculate are different.

D. The routing-tables that all routers calculate are identical.

Refer to the graphic. The link between RTA and RTB is encapsulated using PPP. The IP addresses of serial 1/0/1 of RTA and serial 1/0/1 of RTB are in different network segments. Which following is correct? (Choose two)

A. RTA can ping 10.1.1.2 successfully

B. RTA cannot ping 10.1.1.2

C. The route entry 10.1.1.0/24 exists in the routing-table of RTA

D. The route entry 10.1.1.2/32 exists in the routing-table of RTA

In the PPPoE discovery stage, the PPPoE server assigns a session-id to the PPPoE client in which packet?

A. PADI

B. PADO

C. PADR

D. PADS

The Ethernet electrical interface can work in 3 duplex modes, and the Ethernet optical interface can only work in () mode.

A. Full duplex

B. Half duplex

C. Auto-negotiation

D. Simplex

The administrator configures OSPF on a router. However, if the loopback interface is not configured on the

router, the description of the router ID is correct.

().

A. The minimum IP address of the physical interface of the router will become the router ID.

B. The maximum IP address of the physical interface of the router will become the router ID.

C. The IP address of the router management interface will become the router ID.

D. The priority of the router will become the router ID.

What is the total length of the VLAN frame defined by IEEE 802.1Q?

A. 4

B. 3

C. 2

D. 1

Which of the following WLAN standards support operation in the 5GHz range? (Choose all that apply)

A. 802.11a

B. 802.11b

C. 802.11g

D. 802.11n