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

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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. The following commands are configured on the S3610 switch:
qos map-table dot1p-lp
import 1 export 5
interface Ethernet1/0/8
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 to 2
qos trust dot1p
interface Ethernet1/0/7
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 to 2
qos gts queue 5 cir 1950 cbs 2000000
Then when the flow rate is 10Mbps the vlan id is 2 and 802.1p preferred priority of 1 is the packet from the port E1 / 0/6 enters only port E1 / 0/7 when forwarding.
Then the following statement is correct

A) E1 / 0 /.9 outgoing packets 802.1p preferred precedence 5
B) Packet traffic shaping is 1950kbps for forwarding
C) portions partial misconfigured
D) 10Mbps packets are forwarded normally
E) E1 / 0 /.9 outbound message packets 802.1p Priority Level 1

2. Configure the following commands on the MSR router:
qos pql 1 protocol-ip-tcp1000 queue-top
qos pql 1 protocol-ip-tcp1001 queue-middle
qos pql 1 protocol-ip-tcp1002queue-normal
qos pql 1 protocol-ip-tcp1003 queue-bottom
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
qos lr outbound cir 10000 cbs 625000 ebs 0
qos pq pql 1
qos rtpq start-port 16384 end-port 32767 bandwidth 1000 cbs 25000
Then when the destination port are 1000 , 1001 , 1002 and 1003 of the TCP packet and matching with RTPQ the flow rates of at 4Mbps speed feed into the MSR , and from the side port G0 / 1 forwarding, the following statements is correct is ______

A) Head of port 1000 of TCP packet forwarding rate is 4Mbps
B) Head of port 1003 of TCP packet forwarding rate is 0
C) The forwarding rate of RTPQ traffic packets is about 2.4Mbps
D) Head of the port 1002 of TCP packet forwarding rate is 2.4Mbps
E) Head of port 1001 of TCP packet forwarding rate is 4Mbps

3. The encapsulation format of the voice data transmitted in the VoIP network is

A) IP the I the I the RTP speech sound data
B) IP UDP the I the I the I the RTP speech sound data
C) IP the I the I RTCP UDP the I the I the RTP speech sound data
D) IP TCP the I the I the I the RTP speech sound data

4. According to the network and the following configuration, it can be judged that this is an application of ______ technology.
RTA:
[RTA]ik e peer 123
[RTA-ike-peer-123] pre-shared-ke simple 123
[RTA-ike-peer-123] remote-address 10.1.1.2
[RTA-ike-peer-123] local-address 10.1.1.1
[RTA-ike-peer-123] quit
[RTA]ipsec proposal l
[RTA-ipsec-proposal-1]quit
[RTA]acl number 3000
[RTA-acl- adv-3000] rule 0 permit ip source 1.1.1.1 0.0.0.0 destination 2.2.2.2 0.0.0.0
[RTA]ipsec polic 1 1 isakmp
[RTA-ipsec-polic-isakmp-1-1] securit acl 3000
[RTA-ipsec-polic-isakmp-1-1] ike-peer 123
[RTA-ipsec-polic-isakmp-1-1] proposal 1
[RTA-ipsec-polic-isakmp-1-1]quit
[RTA] interface Ethernet0/1/1
[RTA Ethernet0/1/1] ip address 10.1.1.1 255.255.255.0
[RTA Ethernet0/1/1]ipsec polic l
[RTA]interface Ethernet0/1/0
[RTA Ethernet0/1/0] ip address 192.168.1.1 255.255.255.0
[RTA]interface loopback 0
[RTA- Loopback0]ip address 1.1.1.1 255.255.255.255
[RTA]interface Tunnel 1
[RTA-Tunnel1]source 1.1.1.1
[RTA-Tunnel1]destination 2.2.2.2
[RTA-Tunnell]ip address 100.1.1.1 255.255.255.0
[RTA] ip route-static 2.2.2.2 255.255.255.255 10.1.1.2
[RTA] ip route-static 192.168.2.0 255.255.255.0 100.1.1.2
RTB:
[RTB] ike peer 123
[RTB-ike-peer-123] pre-shared-ke simple 123
[RTB-ike-peer-123] remote-address 10.1.1.1
[RTB-ike-peer-123] local-address 10.1.1.2
[RTB-ike-peer-123]quit
[RTB] ipsec proposal 1
[RTB-ipsec-proposal-l] quit
[RTB]acl number 3000
[RTB-acl-adv-3000] rule o permit ip source 2.2.2.2 0.0.0.0 destination l.1.1.1 0.0.0.0
[RTB]ipsec polic 1 1 isakmp
[RTB-ipsec-polic-isakmp-ll] securit acl 3000
[RTB-ipsec-polic-isakmp-ll] ike-peer 123
[RTB-ipsec-polic-isakmp-ll] proposal 1
[RTB] interface Ethernet0/1/1
[RTB-Ethernet0/1/1] ip address 10.1.1.2 255.255.255.0
[RTB-Ethernet0/1/1] ipsec polic 1
[RTB] interface Ethernet0/1/0
[RTB-Ethernet0/1/0] ip address 192.168.2.1 255.255.255.0
[RTB] interface Loopback0
[RTB-Loopback0] ip address 2.2.2.2 255.255.255.255
[RTB] interface Tunnell
[RTB-Tunnell]source 2.2.2.2
[RTB-Tunnell]destination l.1.1.1
[RTB-Tunnell]ip address 100 , 1.1.2 255.255.255.0
[RTB-Tunnell]keepalive
[RTB] ip route-static l.1.1.1 255.255.255.255 10.1.1.1
[RTB] ip route-static 1 92.1 68.1.0 255.255.255.0 1 00.1.1 .1

A) L2TP over IPsec
B) GRE over IPsec
C) IPsec over GRE
D) IPSec over L2TP

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

A) 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
B) 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
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: