H3C GB0-391 問題集

質問 1：
The configuration commands on the MSR router are as follows:
acl number 2003
rule 0 permit source 192.168.0.0 0.0.0.255
#
traffic classifier 1operator or
if-match acl 2003
#
traffic behavior 1
filter den
#
qos polic 1
classifier 1behavior 1
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
qos appl polic 2 outbound
Then when the source address are 192.168.2.2 , 192.168.0.2 the packets from the port G0 / 1 forwarding outwardly, the following statement is correct _____
A. Forwarding of packets with the source address of 192.168.0.2 is blocked
B. Packets with the source address of 192.168.2.2 are forwarded normally
C. Packets with the source address of 192.168.0.2 are forwarded normally
D. Forwarding of packets with the source address of 192.168.2.2 is blocked
正解：A,B

質問 2：
AAA supports the accounting method of _____ .
A. RADIUS accounting
B. No billing
C. This ground billing
D. TACACS accounting
正解：A,B,C,D

質問 3：
In FIG illustrated EPON networking, the OLT to the network all the ONU ( the ONU1 to ONUn ) to transmit data, the following statements is correct is ____ .( Choose one or more )
A. wire passage 2 is only to ONU2 data
B. Line Road 0 have all the ONU data
C. Line Road 1 on which all the ONU data
D. Line Road 0 ~ n- downlink data is the same
正解：B,C,D

質問 4：
The four routers R1 , R2 , R3, and R4 are connected in sequence, and Loopback0 interfaces are created on R1 and R4 , and the interface addresses are 1.1.1.1 and 4.4.4.4 respectively.The four devices are configured with dynamic routing protocols to ensure Loopback0 of R1 and R4 .The address is reachable, and a GRE Tunnel is established between R1 and R4 .Check the tunnel interface information on R1 as follows:
[R1]displa interface Tunnel 0
Tunnelo current state: UP
Line protocol cu rrent state: UP
Description: Tunnelo Interface
The Maximum Transmit Unit is 1476
Internet Address is 10.0.0.1/30 Primar
Encapsulation is TUNNEL , aggregation ID not set
Tunnel source l.1.1.1 , destination 4.4.4.4
Tunnel keepalive disable
Tunnel protocol/transp ort GRE/IP
GRE ke disabled
Checksumming of GRE packets disabled
Last 300 seconds input: 2 btes/sec , 0 packets/sec
Last 300 seconds output: 2 btes/sec , 0 packets/sec
15 packets input , 840 btes
0 input error
27 packets output , 1248 btes
0 0utput error
At this time, if the link between R2 and R3 is interrupted , the following statement is correct.
A. The status of the Tunnel interface on R1 is Down
B. The IP address of the Tunnel interface of R4 should be 10.0.0.2.
C. Rl on Tunnel interface remains UP state
D. The source IP of the Tunnel interface of R4 is 1.1.1.1 , and the destination IP is 4.4.4.4
正解：A,B

質問 5：
The following part does not belong to the SSL/TSL specification
A. handshake agreement
B. hello protocol
C. alert agreement
D. record protocol
正解：B

質問 6：
From the perspective of network level, business or application, network security threats come from _____ .
A. should be threatened with a security layer
B. disease threats toxic
C. Ann -wide threat posed by loopholes in the system
D. network security threats, network layer
E. set up equipment on their own physical security threats
正解：A,B,C,D,E

質問 7：
Among the control messages defined by the MPCP protocol, the one sent by the OLT is ______ .( Choose one or more )
A. Register_Req
B. GATE
C. Register_Ack
D. Register
E. Report
正解：B,D

質問 8：
Which of the following descriptions of traditional telephone systems are correct?
A. electrically telephone user connected to the ring down PBX or central office switches, are connected by a telephone subscriber loop and PBX a line between a pair comprising a TIP and Ring , wherein Qing ground, TIP access PBX negative electrode
B. electrically telephone dial tone and positive tone, as there are peer PBX or central office switch provides complete voltage
C. pass the real machine is FXS ordinary telephone device, via an ordinary telephone connected to a central office switch dialing FXO interface
正解：B

質問 9：
The calling UA sends a request message and receives a 2000K response from the called UA .How can the calling UA cancel the request ?
A. Li ie the called UA send Cancel message
B. No law revoked just please request
C. Li ie the called UA sent Back message
D. Li ie the called UA sent BE message
正解：B