H3C Constructing Secure optimized WANs v2.0 : GB0-391

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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. The three routers shown in FIG., In Routerl and Router3 between creating built GRE tunnel , three routers are configured to :
[Routerl]interface Serial 0/2/0
[Routerl-Serial0/2/0]ip address 10.1.1.1 24
[Routerl]interface loopback 0
[Routerl-LoopBack0]ip address l.1.1.1 32
[Routerl]interface Tunnel 0
[Routerl-Tunnel0]source 1 0.1.1.1
[Routerl-Tunnel0]destination 20.1.1.2
[Routerl-Tunnel0]ip address 100.1.1.1 24
[Routerl]ospf
[Routerl-ospf-l]area 0
[Routerl-ospf-l-area-0.0.0.0]network 10.1.1.1 0.0.0.255
[Routerl-ospf-l-area-0.0.0.0]network l.1.1.1 0.0.0.0
Router2:
[Router2]interface Serial 0/2/0
[Router2-Serial0/2/0]ip address 10.1.1.2 24
[Router2]interface Serial 0/2/1
[Router2-Serial0/2/1]ip address 20.1.1.1 24
[Router2]ospf
[Router2-ospf-l]area 0
[Router2-ospf-l-area-0.0.0.0] network 10.1.1.2 0.0.0.255
[Router2-ospf-l-area-0.0.0.0] network 20.1.1.1 0.0.0.255
Router3:
[Router3]interface Serial 0/2/0
[Router3-Serial0/2/0]ip address 20.1.1.2 24
[Router3-Serial0/2/0]quit
[Router3]interface loopback 0
[Router3-Loop Back0]ip address 3.3.3.3 32
[Router3]interface Tunnel 0
[Router3-Tunnel0]source 20.1.1.2
[Router3-Tunnel0]destination 10.1.1.1
[Router3-Tunnel0]ip address 100.1.1.2
[Router3]ospf
[Router3-ospf-l]area 0
[Router3-ospf-l-area-0.0.0.0] network 20.1.1.2 0.0.0.255
[Router3-ospf-l-area-0.0.0.0]network 3.3.3.3 0.0.0.0
Use the command ping-a 1.1.1.1 3.3.3.3 on the Router to check the connectivity, l00% received icmp reply packets.
In the process of upward progress, the following describes the processing of data packets by each router.The correct one is _____ .( Choose one or more )

A) Router3 for ICMP Echo repl message packets GRE encapsulation
B) Routerl for ICMP Echo Request packet GRE decapsulates
C) Routerl performs IP packet forwarding
D) Router3 performs packet forwarding

2. The Beijing company a PBX original carrier telephone network access through an analog line, for expansion, the operator intends to apply for a digital line, is the most good choice.

A) ATM
B) T1
C) E1
D) E&M

3. The following commands are configured on the MSR router:
acl number 3000
rule o permit ip source 100.0.10
acl number 3002
rule o permit ip source 100.0.0.0.0.0.0.255
interface GigabitEthemeto/1
port link -mode-route
jp.address 200.0.0.1255.255.255.0
qos gts acl 3002 cir 200 cbs 12500 ebs o queue-length50
qos gts acl 3000cir 100 cbs 6250 ebs o queue-length50
Then when the port G0/1 forwards packets with the source IP address of 100.0.0.1 in the outbound direction , which of the following statements is correct ( choose one or more )

A) flow greater than 100kbps , the less than 200kbps instant message shaping to 100kbps forwarded
B) stream is greater than 200kbps , the packet shaping to 100kbps forwarded
C) portions partial misconfigured
D) stream is greater than 200kbps , the packet shaping to 200kbps forwarded
E) the flow amount is less than 100kbps forwarded when
F) flow is greater than 100bkps , less than 200kbps , the normal forwarding

4. Which of the following statements about IKE is correct is ________ .( Choose one or more )

A) IKE produced when the second phase is completed students IKE SA
B) The exchange of keys in both IKE modes requires authentication
C) Symmetric key algorithm is used when IKE exchanges keys
D) The first phase of IKE exchange mode has main mode and aggressive mode

5. Regarding the echo in the VoIP telephone system, which of the following descriptions are wrong ?

A) speech voice gateway when performing analog to digital conversion may introduce echo, but can be configured to suppress echo in voice gateway function to reduce this effect
B) back sound into electrical echo and acoustic echo, a conventional telephone system is mainly due to two electrical echo, four-wire conversion impedance mismatch caused by
C) In a VoIP network, the echo is related to the choice of encoding.The greater the compression ratio, the greater the relative echo in the network.
D) language voice gateway equipment itself does not bring new echo, but the lP network brings network latency, increasing the echo time delay, leading to the original feel of the echo in VoIP become energy network Felt echo

Solutions: