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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. Configure the following commands on the MSR router:
qos rtpq start port 16384end-port 32767bandwidth1000cbs25000
Then what is incorrect in the following statement is

A) start-por and end-port are configured with TCP port numbers
B) provided apparatus applied RTPQ queue
C) start-por and end-port are configured with UDP port numbers
D) its configured start-port port number as the source port number, End Port- port number and destination port number

2. Compared with ordinary data flow, voice flow is more sensitive to delay and jitter.The field that can be used to mark voice traffic in a data packet for priority processing by network equipment is ____

A) number of source data streams / object IP address, port number, protocol type pentad
B) IP Precedence
C) DSCP
D) 802.1p

3. The following commands are configured on an interface of the router:
qos car inbound an cir 1000 cbs 62500 ebs 0 green remark-dscp-pass ef red remark-dscp-continue af13
When the port receives packets, the following statement is correct _____

A) When the received message rate is less than 1000kbps , after the DSCP value of the message is marked as EF , it is forwarded to the next CAR policy for processing and forwarding
B) When the received packet rate is less than 1000kbps , the packet DSCP value is marked as EF and then forwarded
C) When the received message rate is less than 1000kbps , the message will be forwarded normally without any processing
D) When the received message is greater than the rate of 1000kbps , the burst can be 62500 bytes than 1000kbps packets DSCP value is marked as AF13 , straight forward next CAR policy processing
E) When the received message rate is less than 1000kbps , it can burst 62500 bytes, and the DSCP value of the message exceeding 1000kbps is marked as af13 and forwarded directly

4. In the process of issuing the digital certificate application in the void, the PKI ( Public Infrastructure Ke , public key systems ) role of the various components were _____ .

A) real body wishes to obtain a digital certificate, first of all to RA ( Registration Authority ) apply, RA after the audit entity identity, the identity of the entity and the public key information is sent to a digital signature to the CA ( Certificate Authority )
B) After the CA verifies the digital signature, it agrees to the entity's application and issues a certificate for the entity
C) real- time body want to revoke the certificate, the RA ( Registration Authority ) submit an application
D) The CA sends the issued certificate to the LDAP server to provide directory browsing services

5. 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) Rl on Tunnel interface remains UP state
B) The source IP of the Tunnel interface of R4 is 1.1.1.1 , and the destination IP is 4.4.4.4
C) The status of the Tunnel interface on R1 is Down
D) The IP address of the Tunnel interface of R4 should be 10.0.0.2.

Solutions: