H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. In a VoIP network where calls are made through a gatekeeper , what will happen when the gatekeeper cannot determine the location information of the called terminal within its jurisdiction ?

A) to the answers are right
B) Send a location request ( LRQ ) message to its known gatekeeper
C) Direct access permission rejection reply to the caller ( the ARJ ) message
D) directly connected to the calling party returns a location reject ( LRJ ) message

2. Compared with IKE main mode, which of the following advantages does IKE aggressive mode have ?

A) IKE aggressive mode can provide authentication
B) adopted by IKE aggressive mode can provide a speed negotiation
C) IKE aggressive mode is more secure than main mode
D) In the case that both parties in communication can know the IP address of the initiator in advance and need to use the pre-shared key, the aggressive mode can be used

3. Which of the following information about the private network route learned from the remote end through the MP-BGP protocol will be recorded by the PE ?

A) RT Import Target attribute of the private network route
B) The private network label of the private network route
C) RD value of the private network route

4. Which statement about the VLAN planning of the EPCN network is correct?

A) The PSPV method uses the same VLAN to mark all services of the same user , but the service quality cannot be guaranteed.
B) PUPSPV mode can be precisely designated user service, each service of each user has a corresponding VLAN ID identity
C) PUPSPV mode can accurately user and business equipment, each user's business has a corresponding VLAN ID identification
D) In PUPV mode, all users in the cell share the same business VLAN ID

5. On a router perform row displa'interface tunnel explicit shown GRE tunnel interface as follows :
<Router>displa interface Tunnel 0
Tunnelo current statle: UP
Line protocol current state: UP
Description: Tunnel 0 Interface
T he Maximum transmit Unit is 1476
Internet Addess is 192.1.1.1/24 Primar.
Encapsulation isTUNNELT aggregation ID not- et
Tunnel source l0.1.11.1 destination 10.1.13.1
Tunnel keeepalive enable Period ( 10 s ) , Retries ( 3 )
Tunnel protocol/transport GRE/IP.
GRE key disable
Checksumming of GRE packets disabled
Last 300 seconds input:.0 btes/secl 0 packet/sec.
Last 300 seconds output:..0 bytes/sec , 0 packets/sec.
4 packets input 72bytes.
0 input error
1 packets output , 24 btes
0 0utput error
From the above information, we can know ____ .( Choose one or more )

A) tunnel channel source lP address of 10.1.11.1
B) The tunnel interface is in the UP state, and the MTU is 1467 bytes
C) The Keepalive function is enabled on the Tunnel interface .Once the router fails to receive the Keeplive packets from the other party within 30s , the tunnel is considered unavailable
D) tunnel track start validation, verification does not start

Solutions: