Steps Necessary To Pass The GB0-391 Exam from Training Expert UpdateDumps
Valid Way To Pass H3CSE-Routing & Switching's GB0-391 Exam
NEW QUESTION 189
Use the displa ike peer command to display the following information on the device, and you can know from this information ____ .
KE Peer: 123
exchange mode: aggressive on phase 1
pre-shared-ke simple 123
peer id tpe: name
peer ip address: 10.2.1.1
local ip address:
peer name: aaa
nat traversal: enable
dpd:
- A. is not configured for the local security gateway lP address, IKE local gateway negotiation lP address of the interface will use the security policy of the main lP address
- B. In the IKE negotiation negotiation mode in phase master mode
- C. During the first phase of IKE negotiation, the initiator sends its name to the peer to identify its identity
- D. The name of the local security gateway during IKE negotiation is aaa
Answer: A,C
NEW QUESTION 190
respect to common data stream, a voice stream is more sensitive to delay and jitter, in order to give priority to ensure the forwarding of voice data, the following technique may be employed queue scheduling ____
Answer:
Explanation:
PQ
NEW QUESTION 191
Which statements about the PKI workflow are correct?
- A. solid body needs to revoke the certificate RA application
- B. permit book application made by the entity
- C. Certificate book by the CA issued
- D. solid body identity reviewed by RA completed
Answer: B,C
NEW QUESTION 192
The following commands are configured on the S3610 switch:
qos map-table dot1p-lp
import 1 export 5
interface Ethernet1/0/6
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 to 2
qos priori4
interface Ethernet1/0/7
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 to 2
qos gts queue 5 cir 12600 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 commands are configured on the following switches: the statement is correct
- A. 10Mbps packets are forwarded normally
- B. portions partial misconfigured
- C. E1 / 0 /.9 outbound message packets 802.1p Priority Level 1
- D. Packet traffic shaping is 1950kbps for forwarding
- E. E1 / 0 /.9 outgoing packets 802.1p preferred precedence 5
Answer: A,C
NEW QUESTION 193
xz company requires to build its network based on modular enterprise network architecture. Z company in Shenzhen and Xi'an with 1 R & D base, with an office in Beijing and Shanghai ; at 23 with more than capital cities 50 person office ; the 200 has no more than smaller cities 8 people in a small office j There are usually more than 200 market and technical personnel on business trips at any given time .Due to environmental and cost issues, some offices cannot access the headquarters through dedicated lines or packet-switched wide area network connections.According to these circumstances, the network module that Z company should have is ____ .
- A. Large type branch network
- B. dedicated line / packet switched access
- C. far away / distributed office network
- D. VPN access into
Answer: B,D
NEW QUESTION 194
When the link type of the ONU port is Trunk , its processing method for downstream messages is _____ .
- A. for without receipt of the Tag message, add the default VLAN Tag ; for received with Tag packets forwarded directly
- B. only allowed without Tag packets to pass through, and the packets add the default VLAN of Tag
- C. Only allow the packets with the default VLAN tag to pass and remove the tag
- D. Only allow tagged messages to pass
Answer: D
NEW QUESTION 195
The following commands are configured on the S3610 switch:
qos map-table dot1p-lp
import 1 export 5
import 2 export 4
interface Ethernet1/0/8
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 4
qos trust dot1p
interface Ethernet1/0/9
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 4
qos gts an cir 65000 cbs 2000000
When the flow rate of 40Mbps is vlan id is 4 and the 802.1p priority to 1 of packets, and a flow rate of 40Mbps is vlan id is 4 and the 802.1p priority 2 packets simultaneously from the end of the port E1 / 0/8 enters , from the side port E1 / 0/9 forwarding when made, the right is ______ ( one or more )
- A. portions partial misconfigured
- B. 802.1p preferably precedence 1 packets at the end of the outlet E1 / 0/9 Forward all
- C. 802.1p preferred precedence 2 packets at the end of the outlet E1 / 0/9 Forward all
- D. 80Mbps packets are forwarded normally
- E. 802.1p preferably precedence 1 packets and 802.1p preferred precedence 2 packets at the end of the outlet E1 / 0/9 has a loss, the ratio of traffic forwarding 5: 4
- F. Packet traffic shaping is 65kbps for forwarding
Answer: C,F
NEW QUESTION 196
Configure the following commands on the MSR router:
qos pql 1 queue top queue-length 1024
qos pql 1 inbound-interface GigabitEthernet0/0 queue top
qos pql 1 protocol ip tcp 1000 queue top
qos pql 1 protocol ip tcp 1001 queue middle
qos pql 1 protocol ip tcp 1002 queue normal
qos pql 1 protocol ip tcp 1003 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
From the interface G0 / 0 into the only access port G0 / 1 forwarding traffic directed include the destination port, respectively 1000 , 1001 , 1002 and 1003 of the TCP packet flow rates of 5Mbps , the other port no flow, then the following statements is not correct ______ ( Select one or more )
- A. destination port of 1003 of 5Mbps TCP packets enter Bottom queues are discarded
- B. destination port of 1002 of 5Mbps TCP packets enter Normal queues are discarded
- C. destination port of 1003 of 5Mbps TCP packets into the Top queue forward portion
- D. destination port of 1001 of 5Mbps TCP packets into the Middle queues are discarded
- E. destination port of 1002 of 5Mbps TCP packets into the Top queue forward portion
- F. Head of port 1000 of 5Mbps TCP packets into the Top queues are forwarded
Answer: A,B,D,F
NEW QUESTION 197
IP head ToS field provides a ______ a DSC code points.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 198
Ethernet 1000BASE-T cable uses a standard _____ most large transmission distance is ______ .
- A. 2 pairs of STP twisted pair, 25m
- B. 4 pairs of Category 5 UTP twisted pair, 100m
- C. 2 pairs of Category 5 UTP twisted pair, 100m
- D. multi- mode fiber, 2000m
- E. single -mode optical fiber, 5000m
- F. 4 pairs of Category 3 UTP twisted pair, 100m
Answer: B
NEW QUESTION 199
A certain H.323 gateway received an RRJ message when registering with the gatekeeper , indicating that ____ .
- A. network related parameters transmitted error
- B. network gatekeeper registration request is being processed gateway
- C. network gatekeeper refused to register the gateway
- D. Net observe accepted the registration of the gateway
Answer: C
NEW QUESTION 200
In the L2TP networking, there are three ways for LNS to authenticate users: proxy authentication, mandatory CHAP authentication and LCP renegotiation.The highest priority is ____ .
- A. on behalf of the agent authentication
- B. All the same
- C. LCP renegotiation
- D. Strong system CHAP authentication
Answer: C
NEW QUESTION 201
Regarding echo in the VoIP telephone system, which of the following descriptions are correct ?
- A. 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
- 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. 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
Answer: A,D
NEW QUESTION 202
a - H.323 gateway received when registering with the gatekeeper RCF message stating ____ .
- A. Net observe accepted the registration of the gateway
- B. network related parameters transmitted error
- C. net off registration request is being processed gateway
- D. network gatekeeper refused to register the gateway
Answer: A
NEW QUESTION 203
In the SIP network, which of the following devices belong to UA?
- A. IP phone
- B. SIP server
- C. language voice gateway
- D. connected to a common voice on the gateway PSTN phone
Answer: A,C
NEW QUESTION 204
The correct statement about application layer attack defense is _____ .
- A. should be fixed once and for all with the completion strategy layer attack protection can be used
- B. be a general attack prevention layer network devices can be done
- C. should require real-time attack signature database update the application layer attack protection
- D. should need to use professional security equipment to complete the application layer attack protection
Answer: C,D
NEW QUESTION 205
Which of the following codes has the lowest bandwidth requirement?
- A. G.729
- B. G.723
- C. G.711
- D. G.726
Answer: B
NEW QUESTION 206
In the EPON system, the port that the ONU device connects to the user is
- A. ONU
- B. OLT
- C. UNI
- D. NNI
Answer: C
NEW QUESTION 207
Regarding the echo in the VoIP telephone system, which of the following descriptions are wrong ?
- A. 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.
- 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. 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
- 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
Answer: A,C
NEW QUESTION 208
use IKE is IPSec provides auto-negotiation key exchange and create SA during the service, in the IKE defines which of the second phase of consultation kinds of IKE exchange mode ?
- A. channel information exchange mode ( Informational the Exchange Mode )
- B. Main Mode ( the Main Mode )
- C. Wild Man mode ( Aggressive Mode )
- D. Fast speed mode ( New Group Mode )
Answer: D
NEW QUESTION 209
Which of the following statements about SSL VPN deployment is correct is ______ .
- A. Double arm deployment is used in SSL VPN gateway with firewall integrated networking
- B. If only part of the network traffic in the intranet needs to be protected, a dual-arm deployment method is required
- C. If the internal network needs to be fully protected, a single-arm deployment method is required
- D. In order to avoid a single point of failure of SSL VPN from affecting network connectivity, a single-arm deployment method is required
Answer: A,D
NEW QUESTION 210
The processing steps of the rules configured in CAR for packets are in order from front to back:
- A. divided type, evaluation, disposal
- B. Comments estimate discarded, continued
- C. Review assessment, classification and disposal
- D. Comments estimates continue discarded
Answer: A
NEW QUESTION 211
In the SIP network, when the redirect server receives the session request message sent by the calling UA ,
- A. re- directed to find a server called UA 's location information and initiates a session request this position
- B. re- orienting the received server directly calling UA session request message to the called UA
- C. Lord called UA all messages are forwarded through a proxy server
- D. Heavy targeting server to find the called UA position information, which is returned to the calling UA
Answer: D
NEW QUESTION 212
A secure network must meet the conditions of ______ .
- A. Have sufficient encryption and anti-counterfeiting means when transmitting data on the internet
- B. determined users within the network access security and legal security
- C. entire network has a sound management system
- D. There is an adequate security system when connecting to the internet
Answer: A,B,C,D
NEW QUESTION 213
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